Daikin FHYP35BV1- User Manual

ESIE03–01 Table of Contents iii 3 4 5 1 7 Wiring Diagrams: Indoor Units 7.1 What Is in This Chapter? ........................................................................ 1–99 7.2 FHYBP35B7V1, FHYBP45B7V1, FHYBP60B7V1 and FHYBP71B7V1 . 1–100 7.3 FHYBP100B7V1 and FHYBP125B7V1 ........................

ESIE03–01 iv Table of Contents 3 1 4 5 2 Overview of the cooling mode functions 2.1 What Is in This Chapter? ......................................................................... 2–27 2.2 Dry Keep Mode ........................................................................................ 2–28 ...

ESIE03–01 Table of Contents v 3 4 5 1 2 Error Codes: Indoor Units 2.1 What Is in This Chapter? ........................................................................ 3–25 2.2 Malfunctioning Indoor PCB ..............................................................(A1) 3–26 2.3 Malfunctioning Drain ...

ESIE03–01 vi Table of Contents 3 1 4 5 5 Additional Checks for Troubleshooting 5.1 What Is in This Chapter? ......................................................................... 3–71 5.2 Indoor Unit: Checking the Fan Motor Hall IC ........................................... 3–72 5.3 Indoor Unit:...

ESIE03–01 Table of Contents vii 3 4 5 1 3 Test Run and Operation Data 3.1 General Operation Data .......................................................................... 4–34 3.2 RP71L7V1, RP71L7W1, RP100L7V1, RP100L7W1 and RP125L7W1 .. 4–36 3.3 RYP71L7V1, RYP71L7W1, RYP100L7V1, RYP100L7W1 and RYP...

ESIE03–01 Introduction ix 3 4 5 Part 0 1 Introduction 1.1 About This Manual Target group This service manual is intended for and should only be used by qualified engineers. Purpose of this manual This service manual contains all the information you need to do the necessary repair and maintenance tas...

Introduction ESIE03–01 x 3 1 4 5 1.2 Combination Overview: Outdoor Units of the Sky Air L-Series Introduction In the tables in this section: P “P” stands for pair combination. P “T” stands for twin, triple or double twin combination. FHYCP, FHYKP and FHYP The table below contains the possible combin...

ESIE03–01 Part 1 – System Outline 1–1 4 3 4 5 1 Part 1 System Outline What is in this part? This part contains the following chapters: Chapter See page 1–General Outline: Outdoor Units 1–3 2–General Outline: Indoor Units 1–13 3–Specifications 1–47 4–Functional Diagrams 1–63 5–Switch Box Layout 1–77 ...

ESIE03–01 General Outline: Outdoor Units Part 1 – System Outline 1–3 3 1 4 5 Part 1 1 General Outline: Outdoor Units 1.1 What Is in This Chapter? Introduction This chapter contains the following information on the outdoor units: P Outlook and dimensions P Installation and service space P Components....

ESIE03–01 General Outline: Indoor Units Part 1 – System Outline 1–13 3 1 4 5 Part 1 2 General Outline: Indoor Units 2.1 What Is in This Chapter? Introduction This chapter contains the following information on the indoor units: P Outlook and dimensions P Installation and service space P Components. G...

ESIE03–01 General Outline: Indoor Units Part 1 – System Outline 1–15 3 1 4 5 Installation and service space The illustration below shows the required installation and service space. When a discharge grille is closed (e.g. 3-way blow application), the required space is 200 mm or more (mm). Components...

ESIE03–01 Specifications Part 1 – System Outline 1–49 3 1 4 5 Electrical Data The table below contains the electrical specifications. Unit combination Power supply Compressor OFM IFM Indoor unit Outdoor unit Hz-Volts Voltage range MCA TOCA MFA LRA RLA kW FLA kW FLA FHYCP71 RP71L7V1 50-230 Max.50Hz-2...

Specifications ESIE03–01 1–52 Part 1 – System Outline 3 11 4 5 3.4 RYP71, RYP100 and RYP125 T echnical specifications The table below contains the technical specifications. Electrical specifications The table below contains the electrical specifications. Specification RYP71L7V1 RYP71L7W1 RYP100L7V1 ...

ESIE03–01 Specifications Part 1 – System Outline 1–55 3 1 4 5 3.5 FHYCP Technical specifications The table below contains the technical specifications. Electrical specifications The table below contains the electrical specifications. Specification FHYCP35B7V1 FHYCP45B7V1 FHYCP60B7V1 FHYCP71B7V1 FHYC...

Specifications ESIE03–01 1–56 Part 1 – System Outline 3 11 4 5 3.6 FHYBP Technical specifications The table below contains the technical specifications. Electrical specifications The table below contains the electrical specifications. Specification FHYBP35B7V1 FHYBP45B7V1 FHYBP60B7V1 FHYBP71B7V1 FHY...

ESIE03–01 Specifications Part 1 – System Outline 1–57 3 1 4 5 3.7 FDYP Technical specifications The table below contains the technical specifications. Electrical specifications The table below contains the electrical specifications. Specification FDYP125B7V1 Heat exchanger Rows x stages x fin pitch ...

Specifications ESIE03–01 1–58 Part 1 – System Outline 3 11 4 5 3.8 FHYP Technical specifications The table below contains the technical specifications. Electrical specifications The table below contains the electrical specifications. Specification FHYP35BV1 FHYP45BV1 FHYP60BV1 FHYP71BV1 FHYP100BV1 F...

ESIE03–01 Specifications Part 1 – System Outline 1–59 3 1 4 5 3.9 FUYP Technical specifications The table below contains the technical specifications. Electrical specifications The table below contains the electrical specifications. Specification FUYP71BV17 FUYP100BV17 FUYP125BV17 Heat exchanger Len...

Specifications ESIE03–01 1–60 Part 1 – System Outline 3 11 4 5 3.10 FAYP and FHYKP Technical specifications The table below contains the technical specifications. Electrical specifications The table below contains the electrical specifications. Specification FAYP71LV1 FAYP100BV1 FHYKP35BV1 FHYKP45BV...

ESIE03–01 Specifications Part 1 – System Outline 1–61 3 1 4 5 3.11 FDYMP Technical specifications The table below contains the technical specifications. Electrical specifications The table below contains the electrical specifications. Specification FDYMP71L7V1 FDYMP100L7V1 FDYMP125L7V1 Heat exchange...

ESIE03–01 Functional Diagrams Part 1 – System Outline 1–63 3 1 4 5 Part 1 4 Functional Diagrams 4.1 What Is in This Chapter? Introduction This chapter contains the following information: P Functional diagrams P Pipe connection diameters. Functional diagrams This chapter contains the following functi...

Functional Diagrams ESIE03–01 1–64 Part 1 – System Outline 3 11 4 5 4.2 RP71L7, RP100L7 and RP125L7: Outdoor Unit Functional diagram The illustration below shows the functional diagram of the refrigeration circuit. Components For a description of the components, see ’Piping Components’ on page 1–75....

ESIE03–01 Functional Diagrams Part 1 – System Outline 1–65 3 1 4 5 Functional diagram: Pair The illustration below shows the functional diagram of the refrigeration circuit. Components For a description of the components, see ’Piping Components’ on page 1–75. Pipe connection diameters The table belo...

ESIE03–01 Part 1 – System Outline 1–75 Part 1 4.5 Piping Components Components The table below contains the different components of the functional diagrams. No. Component Function / remark 1a Flare connection See pipe connection diameter. 1b Flange connection 2a Liquid stop valve The liquid stop val...

ESIE03–01 Switch Box Layout Part 1 – System Outline 1–77 3 4 5 1 Part 1 5 Switch Box Layout 5.1 What Is in This Chapter? Introduction This chapter shows the switch box components. Outdoor units This chapter contains the following switch box layouts: Indoor units This chapter contains the following s...

ESIE03–01 Switch Box Layout Part 1 – System Outline 1–85 3 1 4 5 5.9 FUYP71BV17, FUYP100BV17 and FUYP125BV17 Switch box The illustration below shows the switch box layout. Components The table below contains the components of the switch box. C1R PCB2 X2M X1M PCB1 Symbol Component PCB1 Printed circui...

Switch Box Layout ESIE03–01 1–88 Part 1 – System Outline 3 11 4 5 5.12 FHYKP35BV1, FHYKP45BV1, FHYKP60BV1 and FHYKP71BV1 Switch box The illustration below shows the switch box layout. Components The table below contains the components of the switch box. PCB1 C1R X2M PCB2 X1M Symbol Component X2M Ter...

ESIE03–01 Wiring Diagrams: Outdoor Units Part 1 – System Outline 1–91 3 1 4 5 Part 1 6 Wiring Diagrams: Outdoor Units 6.1 What Is in This Chapter? Introduction This chapter contains the wiring diagrams of the outdoor units. Wiring diagrams This chapter contains the following wiring diagrams: Wiring ...

Wiring Diagrams: Outdoor Units ESIE03–01 1–92 Part 1 – System Outline 3 11 4 5 6.2 RP71-100L7V1 Wiring diagram The illustration below shows the wiring diagram of the unit.

ESIE03–01 Wiring Diagrams: Indoor Units Part 1 – System Outline 1–99 3 1 4 5 Part 1 7 Wiring Diagrams: Indoor Units 7.1 What Is in This Chapter? Introduction This chapter contains the wiring diagrams of the indoor units. Wiring diagrams This chapter contains the following wiring diagrams: Wiring dia...

ESIE03–01 PCB Layout Part 1 – System Outline 1–111 3 4 5 1 Part 1 8 PCB Layout 8.1 What Is in This Chapter? Introduction This chapter contains the following information: P It describes which unit uses which PCB types P It shows the PCB connectors. PCB layouts This chapter contains the following PCB ...

ESIE03–01 Part 2 – Functional Description 2–1 4 3 4 5 2 Part 2 Functional Description What is in this part? This part contains the following chapters: Chapter See page 1–General Functionality 2–3 2–Overview of the cooling mode functions 2–27 3–Overview of the heating mode functions 2–39

General Functionality ESIE03–01 2–4 Part 2 – Functional Description 3 1 2 4 5 1.2 Functions of Thermistors Locating the thermistors The thermistors on the illustration below are used to control the system. This control secures a proper operation and prevents problems of the unit. Functions of the th...

General Functionality ESIE03–01 2–6 Part 2 – Functional Description 3 1 2 4 5 1.3 Operating Modes and Control Modes Operating modes The two operating modes are: P Normal operating mode P Forced operating mode. Control modes The table below contains the different control modes of the Sky Air B-series...

ESIE03–01 General Functionality Part 2 – Functional Description 2–7 3 2 4 5 1 1.4 Forced Operating Mode (Emergency Operation) Applicable units The forced operating mode is applicable for the following units: Purpose The table below describes the purpose of the forced operating mode. Before switching...

General Functionality ESIE03–01 2–10 Part 2 – Functional Description 3 1 2 4 5 1.5 Outdoor Unit Identification Function Applicable units The outdoor unit identification function is applicable for the following units: Purpose The purpose of the outdoor unit identification function is to enable the in...

ESIE03–01 General Functionality Part 2 – Functional Description 2–11 3 2 4 5 1 1.6 Thermostat Control Applicable units All units Purpose The purpose of thermostat control is to control the compressor operation, by sensing the suction air. Preventing thermostat OFF conditions The thermostat control p...

ESIE03–01 General Functionality Part 2 – Functional Description 2–13 3 2 4 5 1 1.7 Forced Thermostat OFF Applicable units All indoor units Purpose The outdoor unit independently turns its thermostat OFF by means of control other than thermostat OFF commands from the indoor unit. Method The table bel...

General Functionality ESIE03–01 2–14 Part 2 – Functional Description 3 1 2 4 5 1.8 HPS and LPS Function Applicable units R(Y)P71-125L Purpose HPS (High-Pressure Switch) If the pressure at the discharge side of the compressor becomes abnormally high, the HPS stops the unit automatically in order to p...

ESIE03–01 General Functionality Part 2 – Functional Description 2–15 3 2 4 5 1 1.9 Simulated Operation Function Applicable units P R(Y)P71-125L Purpose The purpose of the simulated operation function is to avoid the unit from stopping if the heat exchanger thermistor or air thermistor is malfunction...

General Functionality ESIE03–01 2–16 Part 2 – Functional Description 3 1 2 4 5 1.10 Discharge Pipe Temperature Control Applicable units R(Y)P71-125L Purpose The purpose of the discharge pipe temperature control is to prevent a discharge pipe temperature that is too high or too low. Low temp. startin...

ESIE03–01 General Functionality Part 2 – Functional Description 2–17 3 2 4 5 1 1.11 Gas Shortage Function Purpose The purpose of the gas shortage function is to detect refrigerant shortage before the unit stops due to a discharge temperature that is too high. Method When the thermostat is turned OFF...

General Functionality ESIE03–01 2–18 Part 2 – Functional Description 3 1 2 4 5 1.12 Drain Pump Control Applicable units The drain pump control is applicable for the following units: Purpose The purpose of the drain pump control is to control the water draining from the drain pan. Starting conditions...

ESIE03–01 General Functionality Part 2 – Functional Description 2–19 3 2 4 5 1 Detection system All applicable units use a drain pan water level detection system of the float type. Float type: During start-up The time chart below illustrates the drain pump control during start-up. Float type: During...

General Functionality ESIE03–01 2–20 Part 2 – Functional Description 3 1 2 4 5 1.13 Fan and Flap Operations Heating operation The table below contains the fan and flap operations. Cooling operation The table below contains the fan and flap operations. Function In... Fan Flap (FHYCP, FHYKP and FHYP) ...

ESIE03–01 General Functionality Part 2 – Functional Description 2–21 3 2 4 5 1 1.14 Auto-Restart Function Applicable units All units Purpose The purpose of the auto-restart function is to resume the same operating mode after the power was turned OFF as when the unit was operating. Turning OFF power ...

General Functionality ESIE03–01 2–22 Part 2 – Functional Description 3 1 2 4 5 1.15 Using Conditions for Remote Controller Thermostat Applicable units All units Wired remote controllers The remote controller thermostat is only available in wired remote controls. Conditions in which the rem. contr. t...

ESIE03–01 General Functionality Part 2 – Functional Description 2–23 3 2 4 5 1 1.16 Overcurrent Protection Function Purpose The purpose of the “Overcurrent Protection Function” is to protect the unit against excessive current drains. Method If the Current Transducer detects an overcurrent, the unit ...

General Functionality ESIE03–01 2–24 Part 2 – Functional Description 3 1 2 4 5 1.17 Expansion Valve Control Applicable units R(Y)P71-125L Start-up control When the compressor starts, a pump down operation is carried out in order to avoid liquid pumping. The liquid receiver fills up and a minimum ref...

Overview of the cooling mode functions ESIE03–01 2–28 Part 2 – Functional Description 3 1 2 4 5 2.2 Dry Keep Mode Applicable units All units Purpose The purpose of the dry keep mode is to remove humidity while maintaining the room temperature. Method The points of thermostat ON or OFF are determined...

ESIE03–01 Overview of the cooling mode functions Part 2 – Functional Description 2–31 3 2 4 5 1 Target discharge pipe temperature control (Tk) When changing DS2-4 to ON, also the target discharge pipe temperature control (Tk control) is changed By allowing a lower discharge pipe temperature, the exp...

Overview of the cooling mode functions ESIE03–01 2–32 Part 2 – Functional Description 3 1 2 4 5 Caution P Final capacity result when using DS2-4 will depend on the total condition of the installation site. P Be sure to take into account the restrictions towards internal humidity when using DS2-4 P P...

ESIE03–01 Overview of the cooling mode functions Part 2 – Functional Description 2–33 3 2 4 5 1 2.4 Outdoor Fan Starting Control in Cooling or Dry Keep Mode Applicable units P R(Y)P71-125L Purpose The purpose is to avoid that the discharge pressure would start to rise, and stop the unit. Method: R(Y...

ESIE03–01 Overview of the cooling mode functions Part 2 – Functional Description 2–35 3 2 4 5 1 2.5 Normal Outdoor Fan Control in Cooling Operation Applicable units R(Y)P71-125L Purpose The purpose of this normal outdoor fan control is to ensure a correct discharge pressure in function of the outdoo...

ESIE03–01 Overview of the cooling mode functions Part 2 – Functional Description 2–37 3 2 4 5 1 2.6 High Pressure Protection Control in Cooling Operation Applicable units R(Y)P71-125L Purpose The purpose of the high pressure protection is to prevent a shutdown due to an error. Method The thermostat ...

Overview of the cooling mode functions ESIE03–01 2–38 Part 2 – Functional Description 3 1 2 4 5 2.7 Condensation Avoidance Control Applicable units FHYP Operating modes Regardless of whether the thermostat is ON or OFF, the condensation avoidance control can function in the following operating modes...

ESIE03–01 Overview of the heating mode functions Part 2 – Functional Description 2–39 3 2 4 5 1 Part 2 3 Overview of the heating mode functions 3.1 What Is in This Chapter? Introduction This chapter contains information on the functions used to control the system during heating mode. Understanding t...

Overview of the heating mode functions ESIE03–01 2–40 Part 2 – Functional Description 3 1 2 4 5 3.2 Defrost Control Applicable units P RYP71-125L Purpose The purpose of the defrost control is to prevent frost on the outdoor heat exchanger coil. This frost forms when the unit is in heating position. ...

ESIE03–01 Overview of the heating mode functions Part 2 – Functional Description 2–41 3 2 4 5 1 Heating integral capacity The integral heating capacity is calculated by using the indoor unit data (R2T - R1T) divided by the compressor running time. Defrost control RYP71-125L The illustration below sh...

ESIE03–01 Overview of the heating mode functions Part 2 – Functional Description 2–43 3 2 4 5 1 3.3 Draft Avoidance Control 1 Applicable units The draft avoidance control 1 is applicable for the following units: Purpose The purpose of the draft avoidance control 1 is to avoid draft, which is very un...

Overview of the heating mode functions ESIE03–01 2–44 Part 2 – Functional Description 3 1 2 4 5 Used inputs The draft avoidance control 1 uses the following inputs: Input Connection on indoor PCB Connection on outdoor PCB Limit switch for flap 33S — No. of fan turns X26A — Outdoor heat exchanger the...

ESIE03–01 Overview of the heating mode functions Part 2 – Functional Description 2–45 3 2 4 5 1 3.4 Draft Avoidance Control 2 Applicable units The draft avoidance control 2 is applicable for the following units: Purpose The purpose of the draft avoidance control 2 is to avoid draft when the flap is ...

ESIE03–01 Overview of the heating mode functions Part 2 – Functional Description 2–47 3 2 4 5 1 3.6 Starting Outdoor Fan Control in Heating Mode Applicable units RYP71-125L Purpose The purpose of the starting outdoor fan control is to control the fan speed in function of the indoor and outdoor unit ...

Overview of the heating mode functions ESIE03–01 2–48 Part 2 – Functional Description 3 1 2 4 5 Time charts

ESIE03–01 Overview of the heating mode functions Part 2 – Functional Description 2–49 3 2 4 5 1 3.7 Normal Outdoor Fan Control in Heating Mode Applicable units RYP71-125L Purpose The purpose of the normal outdoor fan control is to: P Reduce the chance of overload during high ambient temperature. P R...

Troubleshooting ESIE03–01 3–4 Part 3 – Troubleshooting 3 1 3 4 5 1.2 Overview of General Problems Introduction The general problems are: P None of the indoor units operates P Equipment operates but stops sometimes P Some indoor units do not operate (twin / triple) P Equipment operates but is not abl...

ESIE03–01 Troubleshooting Part 3 – Troubleshooting 3–7 3 3 4 5 1 1.4 Procedure of Self-Diagnosis by Remote Controller The Inspection/Test Button: explanation By turning the remote controller’s inspection/test button ON, you can change the mode as shown in the figure below. Indoor unit settings can b...

Troubleshooting ESIE03–01 3–8 Part 3 – Troubleshooting 3 1 3 4 5 1.5 Checking with the Wireless Remote Controller Display Introduction Contrary to the wired remote controller, the wireless remote controller does not display the error code. Instead, the operation LED on the light reception section fl...

ESIE03–01 Troubleshooting Part 3 – Troubleshooting 3–11 3 3 4 5 1 6 Press the UP or DOWN button and change the error code lower digit until the receiver of the remote controller generates a continuous beep. 7 Press the MODE button to return to normal status. If you do not press any button for at lea...

Troubleshooting ESIE03–01 3–12 Part 3 – Troubleshooting 3 1 3 4 5 1.6 Self-Diagnosis by Wired Remote Controller Explanation If operation stops due to malfunction, the remote controller’s operation LED blinks, and malfunction code is displayed. (Even if stop operation is carried out, malfunction cont...

ESIE03–01 Troubleshooting Part 3 – Troubleshooting 3–13 3 3 4 5 1 1.7 Remote Controller Display Malfunction Code and Contens Malfunction Code Contents/Processing Remarks A1 Failure of PC board ass'y for indoor unit A3 Malfunction of water level system A6 Indoor unit fan motor overload / overcurrent ...

Troubleshooting ESIE03–01 3–16 Part 3 – Troubleshooting 3 1 3 4 5 1.9 Troubleshooting with the Remote Controller: Outdoor Malfunctions Malfunction overview The table below contains an overview of the outdoor unit malfunctions. Symbols and notes The table below describes the symbols and notes used in...

ESIE03–01 Troubleshooting Part 3 – Troubleshooting 3–17 3 3 4 5 1 1.10 Troubleshooting with the Remote Controller: System Malfunctions Malfunction overview The table below contains an overview of the system malfunctions. Symbols and notes The table below describes the symbols and notes used in the m...

Troubleshooting ESIE03–01 3–18 Part 3 – Troubleshooting 3 1 3 4 5 1.11 Overview of the Indoor Safety Devices Overview The table below contains an overview of the indoor safety devices. Applicable unit Thermal protector fan motor Thermal fuse fan motor Abnormal Reset (automatic) FH(Y)C(P) > 130 ± ...

ESIE03–01 Troubleshooting Part 3 – Troubleshooting 3–19 3 3 4 5 1 1.12 Overview of the Outdoor Safety Devices Overview The table below contains an overview of the outdoor safety devices. Applicable out-door unit Reverse phase protector Overload contact compres-sor Thermal protec-tor fan motor Overcu...

Troubleshooting ESIE03–01 3–20 Part 3 – Troubleshooting 3 1 3 4 5 1.13 Outdoor Safety Device: Thermal Protector Fan Motor Thermal protector fan motor The table below describes the thermal protector of the fan motor. Applicable outdoor unit Wiring symbol Location safety Settings Type Abnormal Reset R...

ESIE03–01 Troubleshooting Part 3 – Troubleshooting 3–21 3 3 4 5 1 1.14 Outdoor Safety Device: Reverse Phase Protector Reverse phase protector The table below describes the reverse phase protector. Applicable outdoor unit Wiring symbol Location safety Type Reset RP71L7V1 No reverse phase protector RY...

Troubleshooting ESIE03–01 3–22 Part 3 – Troubleshooting 3 1 3 4 5 1.15 Outdoor Safety Device: High-Pressure Switch High-pressure switch The table below describes the high-pressure switch. Applicable outdoor unit Wiring symbol Location safety Settings Type Abnormal Reset Reset RP71L7V1 S1PH Discharge...

ESIE03–01 Troubleshooting Part 3 – Troubleshooting 3–23 3 3 4 5 1 1.16 Outdoor Safety Device: Low-Pressure Switch Low-pressure switch The table below describes the low-pressure switch. Applicable outdoor unit Wiring symbol Location safety Settings Type Abnormal Reset Reset RP71L7V1 S1LP Low-pres- su...

ESIE03–01 Error Codes: Indoor Units Part 3 – Troubleshooting 3–25 3 4 5 1 3 Part 3 2 Error Codes: Indoor Units 2.1 What Is in This Chapter? Introduction In the first stage of the troubleshooting sequence, it is important to correctly interpret the error code on the remote controller display. The err...

Error Codes: Indoor Units ESIE03–01 3–26 Part 3 – Troubleshooting 3 1 3 4 5 2.2 Malfunctioning Indoor PCB ( A1 ) Error code A1 LED indications The table below shows the LED indications. Error generation The error is generated when the data from the EEPROM is not received correctly. EEPROM (Electrica...

ESIE03–01 Error Codes: Indoor Units Part 3 – Troubleshooting 3–27 4 5 1 3 2.3 Malfunctioning Drain Water Level System ( A3 ) Error code A3 LED indications The table below shows the LED indications. Error generation The error is generated when the water level reaches its upper limit and when the floa...

ESIE03–01 Error Codes: Indoor Units Part 3 – Troubleshooting 3–29 4 5 1 3 2.4 Indoor Unit Fan Motor Lock ( A6 ) Error code A6 LED indications The table below shows the LED indications. Error generation The error is generated when the fan rotations are not detected while the output voltage to the fan...

ESIE03–01 Error Codes: Indoor Units Part 3 – Troubleshooting 3–31 4 5 1 3 2.5 Malfunctioning Drain System ( AF ) Error code AF LED indications The table below shows the LED indications. Error generation The error is generated when the float switch changes from ON to OFF while the compressor is OFF. ...

Error Codes: Indoor Units ESIE03–01 3–32 Part 3 – Troubleshooting 3 1 3 4 5 2.6 Malfunctioning Capacity Setting ( AJ ) Error code AJ LED indications The table below shows the LED indications. Error generation The error is generated when the following conditions are fulfilled: Causes The possible cau...

Error Codes: Indoor Units ESIE03–01 3–36 Part 3 – Troubleshooting 3 1 3 4 5 2.8 Malfunctioning Remote Controller Air Thermistor ( CJ ) Error code CJ LED indications The table below shows the LED indications. Error generation The error is generated when the remote controller thermistor becomes discon...

ESIE03–01 Error Codes: Outdoor Units Part 3 – Troubleshooting 3–37 3 3 4 5 1 Part 3 3 Error Codes: Outdoor Units 3.1 What Is in This Chapter? Introduction In the first stage of the troubleshooting sequence, it is important to correctly interpret the error code on the remote controller display. The e...

Error Codes: Outdoor Units ESIE03–01 3–38 Part 3 – Troubleshooting 3 1 3 4 5 3.2 Activation of Safety Device ( EO ) Error code E0 Error generation The error is generated when a safety device has detected an abnormality. Causes The possible causes are: P Malfunctioning safety device input connection ...

ESIE03–01 Error Codes: Outdoor Units Part 3 – Troubleshooting 3–43 3 3 4 5 1 3.3 Failure of Outdoor Unit PC Board ( E1 ) Remote Controller Display E1 Method of Malfunction Detection A microcomputer checks whether or not E 2 PROM is normal. Malfunction Decision Conditions The E 2 PROM is malfunctioni...

Error Codes: Outdoor Units ESIE03–01 3–48 Part 3 – Troubleshooting 3 1 3 4 5 3.6 Compressor Overcurrent ( E6 ) Remote Controller Display E6 Method of Malfunction Detection The input current value is detected with a current sensor. Malfunction Decision Conditions When the compressor input current exc...

ESIE03–01 Error Codes: Outdoor Units Part 3 – Troubleshooting 3–49 3 3 4 5 1 Troubleshooting Caution Be sure to turn off power switch before connecting or disconnecting the connector, or parts damage may occur. Note For details, refer to information in Section "Failure of PJ Capacity Setting"...

Error Codes: Outdoor Units ESIE03–01 3–50 Part 3 – Troubleshooting 3 1 3 4 5 3.7 Malfunctioning Electronic Expansion Valve ( E9 ) Error code E9 Error generation The error is generated when the following coil current condition is not met: Open circuit < coil current < short circuit. Resistance ...

Error Codes: Outdoor Units ESIE03–01 3–52 Part 3 – Troubleshooting 3 1 3 4 5 3.8 Malfunctioning in Discharge Pipe Temperature ( F3 ) Error code F3 Error generation The error is generated when: P Discharge pipe temperature becomes abnormally high P Discharge pipe temperature rises suddenly P Discharg...

ESIE03–01 Error Codes: Outdoor Units Part 3 – Troubleshooting 3–55 3 3 4 5 1 3.10 Malfunctioning Outdoor Thermistor System ( H9 ) Error code H9 Error generation The error is generated when the thermistor resistance is out of its range (60 ø to 600k ø) . Causes The possible causes are: P Malfunctioni...

Error Codes: Outdoor Units ESIE03–01 3–56 Part 3 – Troubleshooting 3 1 3 4 5 3.11 Malfunctioning Discharge Pipe Thermistor System ( J3 ) Error code J3 Error generation The error is generated when the thermistor resistance is out of its range. Causes The possible causes are: P Malfunctioning discharg...

ESIE03–01 Error Codes: Outdoor Units Part 3 – Troubleshooting 3–57 3 3 4 5 1 3.12 Malfunctioning Heat Exchanger Thermistor System ( J6 ) Error code J6 Error generation The error is generated when the thermistor resistance is out of its range. Causes The possible causes are: P Malfunctioning heat exc...

Error Codes: Outdoor Units ESIE03–01 3–58 Part 3 – Troubleshooting 3 1 3 4 5 3.13 Abnormal Heat Exchanging Temperature ( F6 ) Remote Controller Display F6 Method of Malfunction Detection The high pressure control (stop) is made according to temperature detected with outdoor unit heat exchanging ther...

ESIE03–01 Error Codes: Outdoor Units Part 3 – Troubleshooting 3–59 3 3 4 5 1 3.14 Malfunction of Current Sensor System ( J2 ) Remote Controller Display J2 Method of Malfunction Detection The malfunction of current sensor is detected through the current detected with the current sensor. Malfunction D...

Error Codes: Outdoor Units ESIE03–01 3–60 Part 3 – Troubleshooting 3 1 3 4 5 3.15 Failure of Capacity Setting ( PJ ) Remote Controller Display PJ Method of Malfunction Detection Check whether set value (i.e., factory set value) written in E 2 PROM or set value with the (replaced) capacity setting ad...

ESIE03–01 Error Codes: System Malfunctions Part 3 – Troubleshooting 3–61 3 3 4 5 1 Part 3 4 Error Codes: System Malfunctions 4.1 What Is in This Chapter? Introduction In the first stage of the troubleshooting sequence, it is important to correctly interpret the error code on the remote controller di...

Error Codes: System Malfunctions ESIE03–01 3–62 Part 3 – Troubleshooting 3 1 3 4 5 4.2 Gas Shortage Detection ( UO ) Error code U0 Error method The discharge pipe thermistor detects the malfunction temperature at which there can be a gas shortage. If the discharge temperature exceeds 125°C during mo...

Error Codes: System Malfunctions ESIE03–01 3–66 Part 3 – Troubleshooting 3 1 3 4 5 Troubleshooting 2 To troubleshoot, proceed as follows: Caution Be sure to turn off power switch before connecting or disconnecting the connector, or parts damage may occur. Turn off the powersupply, disconnect the NO....

ESIE03–01 Error Codes: System Malfunctions Part 3 – Troubleshooting 3–67 3 3 4 5 1 4.5 Transmission Error between Indoor Unit and Remote Controller ( U5 ) Error code U5 Error generation The error is generated when the microprocessor detects that the transmission between the indoor unit and the remot...

ESIE03–01 Error Codes: System Malfunctions Part 3 – Troubleshooting 3–69 3 3 4 5 1 4.7 Malfunctioning Field Setting Switch ( UA ) Error code UA Error generation The error is generated when incorrect field settings have been set for pair/twin/triple/double twin. Causes The possible causes are: P Malf...

Additional Checks for Troubleshooting ESIE03–01 3–72 Part 3 – Troubleshooting 3 1 3 4 5 5.2 Indoor Unit: Checking the Fan Motor Hall IC Applicable units Units using phase cut controlled fan motor with feedback signal. Checking To check the indoor unit fan motor hall IC, proceed as follows: Step Acti...

ESIE03–01 Additional Checks for Troubleshooting Part 3 – Troubleshooting 3–73 3 3 4 5 1 5.3 Indoor Unit: Checking the Power Supply Wave Form Checking To check the power supply wave form, proceed as follows: Step Action 1 Measure the power supply wave form between pin 1 and 3 of X1M for the outdoor u...

Additional Checks for Troubleshooting ESIE03–01 3–74 Part 3 – Troubleshooting 3 1 3 4 5 5.4 Outdoor Unit: Checking the Refrigerant System Checking To check the refrigerant system, proceed as follows: Check discharge pipe thermistor R3T. Is the discharge pipe thermistor R3T disconnected from the hold...

ESIE03–01 Additional Checks for Troubleshooting Part 3 – Troubleshooting 3–75 3 3 4 5 1 5.5 Outdoor unit: Checking the Installation Condition Checking To check the installation condition, proceed as follows: Check the space for all air passage around the suction and discharge areas. Change the insta...

Additional Checks for Troubleshooting ESIE03–01 3–76 Part 3 – Troubleshooting 3 1 3 4 5 5.6 Outdoor Unit: Checking the Discharge Pressure Checking To check the discharge pressure, proceed as follows: Check the discharge pressure. Is the pressure > 24 kg/ cm² during cooling operation? Is the solen...

ESIE03–01 Additional Checks for Troubleshooting Part 3 – Troubleshooting 3–77 3 3 4 5 1 5.7 Outdoor Unit: Checking the Expansion Valve Checking To check the electronic expansion valve, proceed as follows: Step Action 1 Check if the expansion valve connector is correctly inserted in the X24A of PCB 1...

Additional Checks for Troubleshooting ESIE03–01 3–78 Part 3 – Troubleshooting 3 1 3 4 5 5.8 Checking the Thermistors Thermistors If the cause of the problem is related to the thermistors, then the thermistors should be checked prior to changing the PCB. For more information about these thermistors, ...

ESIE03–01 Additional Checks for Troubleshooting Part 3 – Troubleshooting 3–81 3 3 4 5 1 5.11 Evaluation of abnormal high pressure Abnormally high pressure level is mostly caused by the condenser side. The following contents are provided by service engineer based on their field checks. Further, the n...

Additional Checks for Troubleshooting ESIE03–01 3–82 Part 3 – Troubleshooting 3 1 3 4 5 5.12 Evaluation of abnormal low pressure Abnormally low pressure level is mostly caused by the evaporator side. The following contents are provided based on field checking of service engineer. Further, the number...

ESIE03–01 Additional Checks for Troubleshooting Part 3 – Troubleshooting 3–83 3 3 4 5 1 5.13 Check for Clogged Points Checks Temperature differences must occur before or after the clogged points! Check points Check factor Causes Remedies 1 Around expansion mechanism Temperature difference P Dust P C...

ESIE03–01 Part 4 – Commissioning and Test Run 4–1 4 3 4 5 4 Part 4 Commissioning and Test Run What is in this part? This part contains the following chapters: Chapter See page 1–Pre-Test Run Checks 4–3 2–Field settings 4–9 3–Test Run and Operation Data 4–33

Pre-Test Run Checks ESIE03–01 4–4 Part 4 – Commissioning and Test Run 3 1 4 5 1.2 Test Run Checks Checks before test run Before carrying out a test run, proceed as follows: Test run checks To carry out a test run, check the following: P Check that the temperature setting of the remote controller is ...

ESIE03–01 Pre-Test Run Checks Part 4 – Commissioning and Test Run 4–5 3 4 5 1 1.3 Setting the Wireless Remote Controller Introduction To set the wireless remote controller, you have to set the address for: P The receiver of the wireless remote controller P The wireless remote controller. Setting the...

Pre-Test Run Checks ESIE03–01 4–8 Part 4 – Commissioning and Test Run 3 1 4 5 Multiple settings A/b When an outside control (central remote controller...) controls an indoor unit, sometimes the indoor unit does not respond to ON/OFF and temperature settings commands from this controller. 5 Press the...

Field settings ESIE03–01 4–10 Part 4 – Commissioning and Test Run 3 1 4 5 2.2 How to Change the Field Settings with the Wired Remote Controller Installation conditions The field settings have to be changed with the remote controller according to the installation conditions. Wired remote controller T...

ESIE03–01 Field settings Part 4 – Commissioning and Test Run 4–11 3 4 5 1 Setting To set the field settings, you have to change: P “Mode No.” P “First code No.” P “Second code No.”. To change the field settings, proceed as follows: Step Action 1 Hold down the INSPECTION/TEST button for at least 4 s ...

ESIE03–01 Field settings Part 4 – Commissioning and Test Run 4–13 3 4 5 1 2.4 Overview of the Field Settings of the Indoor Units Field settings The table below contains the possible field settings of all indoor units. Mode No. First code No. Description of the setting Second code No. 01 02 03 04 10 ...

Field settings ESIE03–01 4–14 Part 4 – Commissioning and Test Run 3 1 4 5 2.5 Overview of the Factory Settings of the Indoor Units Factory settings The table below contains the factory settings of all indoor units Mode No. First code No. Second code No. FHYCP FHYKP FHYBP FAYP FDYP FUYP FHYP 10 or 20...

ESIE03–01 Field settings Part 4 – Commissioning and Test Run 4–15 3 4 5 1 2.6 Setting the Ceiling Height Incorrectly setting If you set the controller incorrectly, a connection mistake malfunction “ UA ” will appear on the remote controller display. See ’Malfunctioning Field Setting Switch (UA)’ on ...

Field settings ESIE03–01 4–16 Part 4 – Commissioning and Test Run 3 1 4 5 2.7 Setting the Filter Counter Mode No. 10 or 20 First code No. 0 When the filter counter indication time is set to ON, set the second code No., according to the table below Fan speed OFF when thermostat OFF When the cool/heat...

ESIE03–01 Field settings Part 4 – Commissioning and Test Run 4–17 3 4 5 1 2.8 MAIN/SUB Setting when Using Two Remote Controllers Situation The MAIN/SUB setting is necessary when one indoor unit is controlled by two remote controllers. When you use two remote controllers (control panel and separate r...

Field settings ESIE03–01 4–18 Part 4 – Commissioning and Test Run 3 1 4 5 2.9 Setting the Centralized Group No. When? If you want to carry out centralized control with a central remote controller and a unified ON/OFF controller, you have to set the group No. for each group with the remote controller...

ESIE03–01 Field settings Part 4 – Commissioning and Test Run 4–21 3 4 5 1 <Is it a C/O or H/P?> H/P C/O Please cut jumper J5 as shown in fig. 1 on this page. (Refer to fig. 3 [Nr. 7]) <Replacement of the printed circuit board ass’y> (CAUTION) Please replace the PCB ass.y when it is still...

Field settings ESIE03–01 4–22 Part 4 – Commissioning and Test Run 3 1 4 5 [Nr. 1] The attachment position of a capacity setting adaptor (CN26/X26A) Figure 3: The outline drawing of the PCB assembly (including the resin case) [Nr. 4] <Only 71, 100 exclude R(Y)P> The attachment position of a sho...

ESIE03–01 Field settings Part 4 – Commissioning and Test Run 4–23 3 4 5 1 2.11 The Field Setting Levels Introduction The three field setting levels are: P Inspection level P Monitoring level P Maintenance mode settings. The inspection level The inspection level is the highest level of the three fiel...

ESIE03–01 Field settings Part 4 – Commissioning and Test Run 4–25 3 4 5 1 Maintenance Mode Settings The table below describes the maintenance mode settings. Mode No. Function Content and operation method Example of the remote controller display 40 History error codes Display malfunction history The ...

Field settings ESIE03–01 4–28 Part 4 – Commissioning and Test Run 3 1 4 5 2.13 Jumpers Input and output The table below describes the input and the output of the jumpers. J1 The function of jumper J1 is to reduce the possibility of thermostat OFF (reduce ON/OFF cycle compr.). J3 The function of jump...

ESIE03–01 Field settings Part 4 – Commissioning and Test Run 4–29 3 4 5 1 2.14 DIP switch DS1 DS1-3: Defrost starting condition The table below describes the DIP switch. DS1-4: Mode B The table below describes the DIP switch. Setting Illustration Function Factory setting OFF For temperature settings...

Field settings ESIE03–01 4–30 Part 4 – Commissioning and Test Run 3 1 4 5 2.15 DIP switch DS2 DS2-3: Freeze 1 The table below describes the DIP switch. DS2-4: Freeze 2 The table below describes the DIP switch. Setting Illustration Function Factory setting OFF Enables the “intelligent” control functi...

ESIE03–01 Test Run and Operation Data Part 4 – Commissioning and Test Run 4–33 3 4 5 1 Part 4 3 Test Run and Operation Data Introduction This chapter contains the following information: P General operation data P Operation ranges. Overview This chapter contains the following topics: Topic See page 3...

Test Run and Operation Data ESIE03–01 4–34 Part 4 – Commissioning and Test Run 3 1 4 5 3.1 General Operation Data During cooling mode and dry keep The operating conditions must be as follows: The operation values are guidelines in the operation range: P LP: 3.0~6.5 barg (low pressure) P HP: 12.0~28....

Test Run and Operation Data ESIE03–01 4–36 Part 4 – Commissioning and Test Run 3 1 4 5 3.2 RP71L7V1, RP71L7W1, RP100L7V1, RP100L7W1 and RP125L7W1 Conditions The illustration in this section is based on the following conditions: P Equivalent piping length: 7.5 m P Level difference: 0 m P Air flow rat...

ESIE03–01 Part 5 – Disassembly and Maintenance 5–1 4 3 4 5 5 Part 5 Disassembly and Maintenance What is in this part? This part contains the following chapters: Chapter See page 1–Disassembly and Maintenance: Outdoor Units 5–3 2–Disassembly and Maintenance: Indoor Units 5–17

ESIE03–01 Disassembly and Maintenance: Outdoor Units Part 5 – Disassembly and Maintenance 5–3 3 5 1 5 Part 5 1 Disassembly and Maintenance: Outdoor Units 1.1 What Is in This Chapter? Introduction This chapter contains the following information on the outdoor units: P Exploded views P Components. Ove...

Disassembly and Maintenance: Outdoor Units ESIE03–01 5–4 Part 5 – Disassembly and Maintenance 3 1 55 1.2 RP71L7V1, RP71L7W1 Exploded view The illustration below shows the exploded view.

ESIE03–01 Disassembly and Maintenance: Indoor Units Part 5 – Disassembly and Maintenance 5–17 3 5 1 5 Part 5 2 Disassembly and Maintenance: Indoor Units 2.1 What Is in This Chapter? Introduction This chapter contains the following information on the indoor units: P Exploded views P Components. P Dis...

Disassembly and Maintenance: Indoor Units ESIE03–01 5–36 Part 5 – Disassembly and Maintenance 3 1 55 How to remove the Electrical Parts and PC Boards Step Action 1 Loosen the 2 screws of the control box cover and remove the control box cover. 2 Remove the 2 screws of the control box. Switch box

ESIE03–01 Disassembly and Maintenance: Indoor Units Part 5 – Disassembly and Maintenance 5–39 3 5 1 5 2 Then gently bend the center of the horizontal blade, and take both the end shafts out of their bearings. Step Action * When removing the horizontal blade from the bearings at both ends, be careful...

Disassembly and Maintenance: Indoor Units ESIE03–01 5–40 Part 5 – Disassembly and Maintenance 3 1 55 How to remove the Fan Rotor and Motor Step Action 1 Push the 2 tabs of the fan housing towards the inside with your fingers and pull out the fan housing. 2 Loosen the 2 hexagon set screws of the inte...

Disassembly and Maintenance: Indoor Units ESIE03–01 5–42 Part 5 – Disassembly and Maintenance 3 1 55 How to remove the Fan Bearing : Step Action 1 Remove the left sidepanel installation screw. 2 3 Slide the left side panel toward the front of the unit and remove; Remove the 2 bearing installation sc...

ESIE03–01 Disassembly and Maintenance: Indoor Units Part 5 – Disassembly and Maintenance 5–43 3 5 1 5 How to remove the Bottom Panel and Drain Pan : Step Action 1 Remove the 7 bottom panel installation screws (2 each on the left and right, 3 in the rear), and remove the bottom panel. 2 Let down the ...

ESIE03–01 Disassembly and Maintenance: Indoor Units Part 5 – Disassembly and Maintenance 5–45 3 5 1 5 How to remove the Swing Motor : Step Action 1 2 Remove the screw from the right side panel. Slide the right side panel toward the front and detach it. Cut off the tie-wrap of the swing motor connect...

ESIE03–01 Disassembly and Maintenance: Indoor Units Part 5 – Disassembly and Maintenance 5–49 3 5 1 5 How to remove the Suction Grille : Step Action 1 Unhook two drop-prevention strings while supporting suction grille with hand. 2 Open suction grille forward for approx. 45 degree. 45 deg.

ESIE03–01 Disassembly and Maintenance: Indoor Units Part 5 – Disassembly and Maintenance 5–51 3 5 1 5 How to remove the Fan : Step Action 1 Remove two mounting screws to dismount switch box cover. 2 Remove suction air temperature thermistor attached to bell mouth. Switch box cover Suction air temper...

Disassembly and Maintenance: Indoor Units ESIE03–01 5–54 Part 5 – Disassembly and Maintenance 3 1 55 How to remove the Fan Motor : Step Action 1 Removing fan motor: a. Disconnect connector. b. Remove lead wire retaining plate. 2 Remove screws for mounting fan motor. Caution Fan motor can be removed ...

Disassembly and Maintenance: Indoor Units ESIE03–01 5–56 Part 5 – Disassembly and Maintenance 3 1 55 How to remove the Drain Pan : Step Action 1 To dismount three corner sections A, B and C, remove a flocked screw. 2 Remove three flocked screws to dismount corner section D. P Remove suction grille a...

ESIE03–01 Disassembly and Maintenance: Indoor Units Part 5 – Disassembly and Maintenance 5–59 3 5 1 5 How to remove the Drain Pump : Step Action 1 Drain pump is located at piping side. Cut clamp material of hose, and disconnect hose from pump. 2 Remove four screws to dismount drain pump. 3 Dismount ...

ESIE03–01 Disassembly and Maintenance: Indoor Units Part 5 – Disassembly and Maintenance 5–61 3 5 1 5 How to remove the Swing Motor : Step Action 1 2 3 Swing motor is located at the diagonal position of piping Remove two mounting screws for swing motor cover Remove swing motor cover by holding two t...

Disassembly and Maintenance: Indoor Units ESIE03–01 5–62 Part 5 – Disassembly and Maintenance 3 1 55 How to remove the Air Flow Control Blade : Step Action 1 To remove horizontal blade, press down tabs located at both end of blade and pull them forward. 2 Remove horizontal blade.

ESIE03–01 Disassembly and Maintenance: Indoor Units Part 5 – Disassembly and Maintenance 5–65 3 5 1 5 How to remove the Front Grille : Step Action 1 Remove three pieces of front grille fixing screws. 2 Remove the front grille by pulling forward while pushing three hooks located at upper part of the ...

Disassembly and Maintenance: Indoor Units ESIE03–01 5–66 Part 5 – Disassembly and Maintenance 3 1 55 How to remove the Horizontal Blade and Vertical Blade : Step Action 1 Removing the horizontal blade: 1. Open the horizontal blade2. Bend the horizontal blade slightly to disengage the fixing part at ...

Disassembly and Maintenance: Indoor Units ESIE03–01 5–68 Part 5 – Disassembly and Maintenance 3 1 55 How to remove the Electrical Box : Step Action 1 1. Remove the screw on the service cover 2. Remove the screw on the drip proof plate 3. Remove the screw for the grounding wire. 2 1. Remove the follo...

Disassembly and Maintenance: Indoor Units ESIE03–01 5–72 Part 5 – Disassembly and Maintenance 3 1 55 How to remove the Fan Motor and Fan Rotor : Step Action 1 Removing the fan motor: 1. Insert a Phillips tip screwdriver into the air outlet and remove the screws fixing the fan motor and fan rotor (Th...

ESIE03–01 Disassembly and Maintenance: Indoor Units Part 5 – Disassembly and Maintenance 5–73 3 5 1 5 How to remove the Air Swing Motor : Step Action 1 1. Disconnect the air swing motor connector in the electrical box 2. Remove the screw which fixes the air swing motor.. 2 Pull the air swing link as...

Disassembly and Maintenance: Indoor Units ESIE03–01 5–74 Part 5 – Disassembly and Maintenance 3 1 55 How to remove the Drain Hose Piping to the Left : Step Action 1 1. Pull out the drain hose attached on the rear right of the unit 2. Pull out the drain plug and drain socket attached on the rear left...

ESIE03–01 Index i 3 4 5 1 Index Numerics 4-way valve control . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . k 2–46 A A1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . ....