Daikin RZQ24PVJU- Manuals

SiUS28-902_a Safety Considerations Safety Considerations vi CAUTION • Do not repair the electrical components with wet hands. Working on the equipment with wet hands may cause an electrical shock. • Do not clean the air conditioner by splashing water on it. Washing the unit with water may cause an e...

SiUS28-902_a 1 General Information Part 1 General Information 1. Model Names and Power Supply ............................................................ 22. External Appearance .............................................................................. 3 2.1 Indoor Units ..........................

SiUS28-902_a Model Names and Power Supply General Information 2 1. Model Names and Power Supply Indoor Unit Outdoor Unit Power Supply Ceiling Mounted Cassette Type(Multi Flow) FCQ18PVJU RZQ18PVJU VJ : 1 φ , 208~230V, 60Hz FCQ24PVJU RZQ24PVJU FCQ30PVJU RZQ30PVJU Ceiling Suspended Type FHQ18PVJU RZQ18...

External Appearance SiUS28-902_a 3 General Information 2. External Appearance 2.1 Indoor Units Ceiling mounted cassette type (Multi flow) FCQ18PVJUFCQ24PVJUFCQ30PVJU Ceiling suspended type FHQ18PVJUFHQ24PVJUFHQ30PVJU Wall mounted type FAQ18PVJUFAQ24PVJU 2.2 Outdoor Units RZQ18PVJURZQ24PVJURZQ30PVJU

SiUS28-902_a Specifications 4 Part 2 Specifications 1. Specifications .......................................................................................... 5 1.1 FCQ ......................................................................................................... 5 1.2 FHQ ................

Specifications SiUS28-902_a 5 Specifications 1. Specifications 1.1 FCQ Ceiling Mounted Cassette Type (Multi flow) Notes: 1. The above data are based on the following conditions. 2. Capacities are net, including a deduction for cooling (an addition for heating) for indoor fan motor heat. Model Indoor...

SiUS28-902_a Specifications Specifications 6 1.2 FHQ Ceiling Suspended Type Notes: 1. The above data are based on the following conditions. 2. Capacities are net, including a deduction for cooling (an addition for heating) for indoor fan motor heat. Model Indoor unit FHQ18PVJU FHQ24PVJU FHQ30PVJU Ou...

Specifications SiUS28-902_a 7 Specifications 1.3 FAQ Wall Mounted Type Notes: 1. The above data are based on the following conditions. 2. Capacities are net, including a deduction for cooling (an addition for heating) for indoor fan motor heat. Model Indoor unit FAQ18PVJU FAQ24PVJU Outdoor unit RZQ1...

SiUS28-902_a List of Electrical and Functional Parts 8 Part 3 List of Electrical and Functional Parts 1. List of Electrical and Functional Parts ..................................................... 9 1.1 Outdoor Units ....................................................................................

List of Electrical and Functional Parts SiUS28-902_a 9 List of Electrical and Functional Parts 1. List of Electrical and Functional Parts 1.1 Outdoor Units Item Name Symbol Model Remark (P.C.B. terminal) RZQ18 PVJU RZQ24 PVJU RZQ30 PVJU Compressor Inverter Type M1C 2YC63HXD#ED 1.7kW — Output Fan mot...

SiUS28-902_a 11 Refrigerant Circuit Part 4 Refrigerant Circuit 1. Refrigerant Circuit ................................................................................. 12 1.1 RZQ18·24·30PVJU ................................................................................ 12 2. Functional Parts Layou...

SiUS28-902_a Refrigerant Circuit Refrigerant Circuit 12 1. Refrigerant Circuit 1.1 RZQ18·24·30PVJU No. in refrigerant system diagram Symbol Name Major Function A M1C Inverter compressor (INV.) Inverter compressor is operated on frequencies between 52 Hz and 177 Hz by using the inverter. 17 steps D M...

SiUS28-902_a Functional Parts Layout Refrigerant Circuit 14 2. Functional Parts Layout 2.1 RZQ18·30PVJU Overview 1P241839E

SiUS28-902_a 15 Function Part 5 Function 1. Operation Mode .................................................................................... 162. Basic Control ......................................................................................... 17 2.1 Normal Operation ..........................

Basic Control SiUS28-902_a 17 Function 2. Basic Control 2.1 Normal Operation  Cooling Operation  Heating Operation ∗ Heating operation is not functional at an outdoor air temperature of 86 ° FDB or more. Actuator Operation Remarks Compressor Compressor PI control Used for high pressure protection ...

Basic Control SiUS28-902_a 19 Function 2.3 Electronic Expansion Valve PI Control Main Electronic Expansion Valve EV1 Control Carries out the electronic expansion valve (Y1E) PI control to maintain the evaporator outlet superheated degree (SH) at constant during heating operation to make maximum use ...

SiUS28-902_a Basic Control Function 20 2.4 Cooling Operation Fan Control In cooling operation with low outdoor air temperature, this control is used to provide the adequate amount of circulation air with liquid pressure secured by high pressure control using outdoor unit fan. STEP 8 STEP 7 STEP 6 ST...

Special Control SiUS28-902_a 21 Function 3. Special Control 3.1 Startup Control On activation, the following control is performed to lighten the load of the compressor with liquid refrigerant located at the compressor at startup. Also, the position of the four-way valve is defined. 3.1.1 Startup Con...

SiUS28-902_a Special Control Function 22 3.2 Oil Return Operation Oil discharged by the compressor to the field piping is collected by the oil return operation. 3.2.1 Oil Return Operation in Cooling Operation [Conditions to start] The cooling oil-returning operation is started under the following co...

Special Control SiUS28-902_a 23 Function 3.2.2 Oil Return Operation in Heating Operation [Conditions to start] The heating oil-returning operation is started under the following conditions:  Integrated amount of displaced oil  Timer(After the power is turned on, integrated operating-time is 2 hour...

SiUS28-902_a Special Control Function 24 3.3 Defrosting Operation The defrost operation is performed to solve frost on the outdoor unit heat exchanger when heating, and the heating capacity is recovered. [Conditions to start] The defrost operation is started under the following conditions:  Outdoor...

Special Control SiUS28-902_a 25 Function 3.4 Pump-down Residual Operation When activating the compressor, if the liquid refrigerant remains in the heat-exchanger, the liquid enters into the compressor and dilutes oil therein resulting in a decrease of lubricity.Therefore, the pump-down residual oper...

SiUS28-902_a Special Control Function 26 3.5 Restart Standby Restart is not possible to prevent frequent power-on/off and to equalize pressure in the refrigerant system. Actuator Operation Remarks Compressor OFF ⎯ Outdoor unit fan Ta>86 ° F: STEP 4 Ta ≤ 86 ° F: OFF ⎯ Four-way valve Keep former co...

Special Control SiUS28-902_a 27 Function 3.6 Stopping Operation When the system is down the actuator stops/clears all operations. 3.6.1 When System is in Stop Mode Actuator Operation Compressor OFF Outdoor unit fan OFF Four-way valve Keep former condition. Main electronic expansion valve (EV1) 0 pls...

SiUS28-902_a Special Control Function 28 3.7 Pressure Equalization Prior to Startup Before activating the compressor, the activation load is lightened by equalization across the compressor. In addition, inverters turn on electricity and capacitors are charged. Actuator Operation Remarks Compressor O...

Protection Control SiUS28-902_a 29 Function 4. Protection Control 4.1 High Pressure Protection Control This high pressure protection control is used to prevent the activation of protection devices due to abnormal increase of high pressure and to protect compressors against the transient increase of ...

SiUS28-902_a Protection Control Function 30 4.2 Low Pressure Protection Control This low pressure protection control is used to protect compressors against the transient decrease of low pressure. [In cooling operation] [In heating operation] Pe < 36 psi 57Hz Pe > 57 psi Pe < 10 psi Low pres...

Protection Control SiUS28-902_a 31 Function 4.3 Discharge Pipe Protection Control This discharge pipe protection control is used to protect the compressor internal temperature against a malfunction or transient increase of discharge pipe temperature. [INV. compressor] Discharge pipe temp. control st...

SiUS28-902_a Protection Control Function 32 4.4 Inverter Protection Control Inverter current protection control and inverter fin temperature control are performed to prevent tripping due to a malfunction, or transient inverter overcurrent, and fin temperature increase. [Inverter overcurrent protecti...

Other Control SiUS28-902_a 33 Function 5. Other Control 5.1 Heating Operation Prohibition Heating operation is prohibited above 82°FDB outdoor air temperature.Outline of Control (Indoor Unit) 5.2 Drain Pump Control 1. The drain pump is controlled by the ON/OFF buttons (4 button (1) - (4) given in th...

SiUS28-902_a Other Control Function 34 5.2.3 When the Float Switch is Tripped During Heating Operation: During heating operation, if the float switch is not reset even after the 5 minutes operation, 5 seconds stop, 5 minutes operation cycle ends, operation continues until the switch is reset. 5.2.4 ...

Other Control SiUS28-902_a 35 Function 5.3 Louver Control for Preventing Ceiling Dirt We have added a control feature that allows you to select the range of air direction and adjust it to prevent the ceiling surrounding the air discharge outlet of ceiling mounted cassette type units from being soile...

Other Control SiUS28-902_a 39 Function 5.5 Freeze Prevention Freeze Prevention by Off Cycle (Indoor Unit) When the temperature detected by the liquid pipe temperature thermistor (R2T) of the indoor unit heat exchanger drops too low, the unit enters freeze prevention operation in accordance with the ...

SiUS28-902_a Other Control Function 40 5.6 View of Operations of Swing Flaps Swing flaps work as following. Fan Flap control FCQ FHQ FAQ He a ti n g Hot-start from defrosting Swinging OFF Level Level Level Setting the wind direction OFF Level Level Level Defrosting Swinging OFF Level Level Level Set...

SiUS28-902_a 41 Test Operation Part 6 Test Operation 1. Test Operation ...................................................................................... 42 1.1 Procedure and Outline ........................................................................... 42 1.2 Operation when Power is Turned...

SiUS28-902_a Test Operation Test Operation 42 1. Test Operation 1.1 Procedure and Outline Follow the following procedure to conduct the initial test operation after installation. 1.1.1 Check Work Prior to Turn Power Supply On 1.1.2 Turn Power On Check on refrigerant piping Check on amo u nt of refri...

Test Operation SiUS28-902_a 45 Test Operation 1.2 Operation when Power is Turned On 1.2.1 When Turning On Power First Time The unit cannot be run for up to 12 minutes to automatically set the master power and address (indoor-outdoor address, etc.). Status 1.2.2 When Turning On Power the Second Time ...

Field Setting SiUS28-902_a 47 Test Operation 3. Field Setting 3.1 Field Setting from Remote Controller Individual functions of indoor unit can be changed from the remote controller. At the time of installation or after service inspection / repair, make the local setting in accordance with the follow...

SiUS28-902_a Field Setting Test Operation 52 3.1.6 Detailed Explanation of Setting Modes Filter Sign Setting If switching the filter sign ON time, set as given in the table below. Set Time Fan Speed Changeover When Thermostat is OFF By setting to Set Fan Speed , you can switch the fan speed to the s...

Field Setting SiUS28-902_a 53 Test Operation Setting of Airflow Direction Adjustment Range Make the following air flow direction setting according to the respective purpose. Setting Table 3.1.7 Setting of Operation Control Mode from Remote Controller (Local Setting) The operation control mode is com...

Field Setting SiUS28-902_a 55 Test Operation 3.2 Field Setting from Outdoor Unit 3.2.1 Setting by push-button switches The following settings are made by pushbutton switches on P.C.B. (Factory setting) There are the following three setting modes.  Setting mode 1 (H1P off) Initial status (when norma...

Field Setting SiUS28-902_a 57 Test Operation No. Setting item Description 5 Indoor unit forced fan H Allows forced operation of indoor unit fan while unit is stopped. (H tap) 6 Indoor unit forced operation Allows forced operation of indoor unit. 8 Te setting Target evaporation temperature for coolin...

Field Setting SiUS28-902_a 59 Test Operation k : ON h : OFF l : Blink Setting item 0 Display contents of “Various settings” No. Setting item LED display Data display H1P H2P H3P H4P H5P H6P H7P 0 Various settings l h h h h h h See below 5 Number of connected indoor units l h h h k h k Lower 6 digits...

SiUS28-902_a Field Setting Test Operation 60 3.3 Detail of Setting Mode 3.3.1 Cool / Heat Mode Switching The Cool / Heat Mode switching is carried out by remote controller fitted to indoor unit.This setting is not required for normal operation. (Factory set) 3.3.2 Setting of Low Noise Operation and ...

Field Setting SiUS28-902_a 63 Test Operation 3.3.3 Setting of Refrigerant Recovery Mode When carrying out the refrigerant collection on site, fully open the respective expansion valves of indoor and outdoor unitsBoth the outdoor unit and the indoor unit cannot be operated at this time. [Operation pr...

SiUS28-902_a 65 Troubleshooting Part 7 Troubleshooting 1. Symptom-based Troubleshooting ......................................................... 672. Troubleshooting by Remote Controller ................................................. 70 2.1 The INSPECTION / TEST Button .............................

SiUS28-902_a Troubleshooting by Remote Controller Troubleshooting 70 2. Troubleshooting by Remote Controller 2.1 The INSPECTION / TEST Button The following modes can be selected by using the [Inspection/Test Operation] button on the remote control. Normal mode Inspection mode Test operation mode Loc...

Troubleshooting by Remote Controller SiUS28-902_a 71 Troubleshooting 2.2 Self-diagnosis by Wired Remote Controller Explanation If operation stops due to malfunction, the remote controller’s operation LED blinks, and the malfunction code is displayed. (Even if stop operation is carried out, malfuncti...

SiUS28-902_a Troubleshooting by Remote Controller Troubleshooting 72 2.3 Self-diagnosis by Wireless Remote Controller In the Case of BRC7C TypeBRC7E TypeBRC4C Type If equipment stops due to a malfunction, the operation indicating LED on the light reception section flashes.The malfunction code can be...

SiUS28-902_a Troubleshooting by Remote Controller Troubleshooting 76 2.5 Remote Controller Service Mode How to Enter the Service Mode Service Mode Operation Method 1. Select the mode No. Set the desired mode No. with the button. (For wireless remote controller, Mode 43 only can be set.) 2. Select th...

SiUS28-902_a Troubleshooting by Remote Controller Troubleshooting 78 2.6 Remote Controller Self-Diagnosis Function The remote controller switches are equipped with a self-diagnosis function so that more appropriate maintenance can be carried out. If a malfunction occurs during operation, the operati...

Troubleshooting by Indication on the Remote Controller SiUS28-902_a 85 Troubleshooting 3. Troubleshooting by Indication on the Remote Controller 3.1 “ A0 ” Indoor Unit: Error of External Protection Device Remote Controller Display A0 Applicable Models All indoor unit models Method of Malfunction Det...

Troubleshooting by Indication on the Remote Controller SiUS28-902_a 87 Troubleshooting 3.3 “ A3 ” Indoor Unit: Malfunction of Drain Level Control System (S1L) Remote Controller Display A3 Applicable Models FCQ, FHQ (Option), FAQ (Option) Method of Malfunction Detection Float switch OFF detection Mal...

SiUS28-902_a Troubleshooting by Indication on the Remote Controller Troubleshooting 94 3.7 “ AF ” Indoor Unit: Drain Level above Limit Remote Controller Display AF Applicable Models FCQ Method of Malfunction Detection Water leakage is detected based on float switch ON/OFF operation while the compres...

Troubleshooting by Indication on the Remote Controller SiUS28-902_a 95 Troubleshooting 3.8 “ AJ ” Indoor Unit: Malfunction of Capacity Determination Device Remote controller display AJ Applicable Models All indoor unit models Method of Malfunction Detection Capacity is determined according to resist...

SiUS28-902_a Troubleshooting by Indication on the Remote Controller Troubleshooting 96 3.9 “ C4 ” Indoor Unit: Malfunction of Thermistor (R2T) for Heat Exchanger Remote Controller Display C4 Applicable Models All indoor unit models Method of Malfunction Detection Malfunction detection is carried out...

Troubleshooting by Indication on the Remote Controller SiUS28-902_a 97 Troubleshooting 3.10 “ C5 ” Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes Remote Controller Display C5 Applicable Models All indoor unit models Method of Malfunction Detection Malfunction detection is carried out by ...

SiUS28-902_a Troubleshooting by Indication on the Remote Controller Troubleshooting 98 3.11 “ C9 ” Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air Remote Controller Display C9 Applicable Models AII indoor unit models Method of Malfunction Detection Malfunction detection is carried out b...

Troubleshooting by Indication on the Remote Controller SiUS28-902_a 99 Troubleshooting 3.12 “ CA ” Indoor Unit: Malfunction of Thermistor for Discharge Air Remote Controller Display CA Applicable Models AII indoor unit models Method of Malfunction Detection Malfunction detection is carried out by te...

SiUS28-902_a Troubleshooting by Indication on the Remote Controller Troubleshooting 100 3.13 “ CJ ” Indoor Unit: Malfunction of Thermostat Sensor in Remote Controller Remote Controller Display CJ Applicable Models AII indoor unit models Method of Malfunction Detection Malfunction detection is carrie...

SiUS28-902_a Troubleshooting by Indication on the Remote Controller Troubleshooting 102 3.15 “ E3 ” Outdoor Unit: Actuation of High Pressure Switch Remote Controller Display E3 Applicable Models RZQ18~30PVJU Method of Malfunction Detection Abnormality is detected when the contact of the high pressur...

SiUS28-902_a Troubleshooting by Indication on the Remote Controller Troubleshooting 104 3.16 “ E4 ” Outdoor Unit: Actuation of Low Pressure Sensor Remote Controller Display E4 Applicable Models RZQ18~30PVJU Method of Malfunction Detection Abnormality is detected by the pressure value with the low pr...

SiUS28-902_a Troubleshooting by Indication on the Remote Controller Troubleshooting 106 3.17 “ E5 ” Inverter Compressor Motor Lock Remote Controller Display E5 Applicable Models RZQ18~30PVJU Method of Malfunction Detection Inverter P.C.B. takes the position signal from UVW line connected between the...

SiUS28-902_a Troubleshooting by Indication on the Remote Controller Troubleshooting 108 3.18 “ E7 ” Malfunction of Outdoor Unit Fan Motor Remote Controller Display E7 Applicable Models RZQ18~30PVJU Method of Malfunction Detection Malfunction of fan motor system is detected according to the fan speed...

Troubleshooting by Indication on the Remote Controller SiUS28-902_a 109 Troubleshooting 3.19 “ E9 ” Outdoor Unit: Malfunction of Moving Part of Electronic Expansion Valve (Y1E) Remote Controller Display E9 Applicable Models RZQ18~30PVJU Method of Malfunction Detection Check disconnection of connecto...

Troubleshooting by Indication on the Remote Controller SiUS28-902_a 111 Troubleshooting 3.20 “ F3 ” Outdoor Unit: Abnormal Discharge Pipe Temperature Remote Controller Display F3 Applicable Models RZQ18~30PVJU Method of Malfunction Detection Abnormality is detected according to the temperature detec...

SiUS28-902_a Troubleshooting by Indication on the Remote Controller Troubleshooting 112 3.21 “ F6 ” Outdoor Unit: Refrigerant Overcharged Remote Controller Display F6 Applicable Models RZQ18~30PVJU Method of Malfunction Detection Excessive charging of refrigerant is detected by using the heat exchan...

Troubleshooting by Indication on the Remote Controller SiUS28-902_a 113 Troubleshooting 3.22 “ H9 ” Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor Air Remote Controller Display H9 Applicable Models RZQ18~30PVJU Method of Malfunction Detection Malfunction is detected from the temperature d...

SiUS28-902_a Troubleshooting by Indication on the Remote Controller Troubleshooting 114 3.23 “ J3 ” Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R2T) Remote Controller Display J3 Applicable Models RZQ18~30PVJU Method of Malfunction Detection Malfunction is detected from the temperature de...

Troubleshooting by Indication on the Remote Controller SiUS28-902_a 115 Troubleshooting 3.24 “ J5 ” Outdoor Unit: Malfunction of Thermistor (R3T, R5T) for Suction Pipe 1, 2 Remote Controller Display J5 Applicable Models RZQ18~30PVJU Method of Malfunction Detection Malfunction is detected from the te...

SiUS28-902_a Troubleshooting by Indication on the Remote Controller Troubleshooting 116 3.25 “ J6 ” Outdoor Unit: Malfunction of Thermistor (R4T) for Outdoor Unit Heat Exchanger Remote Controller Display J6 Applicable Models RZQ18~30PVJU Method of Malfunction Detection Malfunction is detected from t...

Troubleshooting by Indication on the Remote Controller SiUS28-902_a 117 Troubleshooting 3.26 “ JA ” Outdoor Unit: Malfunction of High Pressure Sensor Remote Controller Display JA Applicable Models RZQ18~30PVJU Method of Malfunction Detection Malfunction is detected from the pressure detected by the ...

Troubleshooting by Indication on the Remote Controller SiUS28-902_a 119 Troubleshooting 3.27 “ JC ” Outdoor Unit: Malfunction of Low Pressure Sensor Remote Controller Display JC Applicable Models RZQ18~30PVJU Method of Malfunction Detection Malfunction is detected from pressure detected by low press...

SiUS28-902_a Troubleshooting by Indication on the Remote Controller Troubleshooting 122 3.29 “ L4 ” Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise Remote Controller Display L4 Applicable Models RZQ18~30PVJU Method of Malfunction Detection Fin temperature is detected by the ther...

Troubleshooting by Indication on the Remote Controller SiUS28-902_a 123 Troubleshooting 3.30 “ L5 ” Outdoor Unit: Inverter Compressor Abnormal Remote Controller Display L5 Applicable Models RZQ18~30PVJU Method of Malfunction Detection Malfunction is detected from current flowing in the power transis...

SiUS28-902_a Troubleshooting by Indication on the Remote Controller Troubleshooting 124 3.31 “ L8 ” Outdoor Unit: Inverter Current Abnormal Remote Controller Display L8 Applicable Models RZQ18~30PVJU Method of Malfunction Detection Malfunction is detected by current flowing in the power transistor. ...

SiUS28-902_a Troubleshooting by Indication on the Remote Controller Troubleshooting 126 3.32 “ L9 ” Outdoor Unit: Inverter Start up Error Remote Controller Display L9 Applicable Models RZQ18~30PVJU Method of Malfunction Detection Malfunction is detected from current flowing in the power transistor. ...

Troubleshooting by Indication on the Remote Controller SiUS28-902_a 127 Troubleshooting 3.33 “ LC ” Outdoor Unit: Malfunction of Transmission between Inverter and Control P.C.B. Remote Controller Display LC Applicable Models RZQ18~30PVJU Method of Malfunction Detection Check the communication state ...

Troubleshooting by Indication on the Remote Controller SiUS28-902_a 129 Troubleshooting 3.35 “ U0 ” Outdoor Unit: Low Pressure Drop Due to Refrigerant Shortage or Electronic Expansion Valve Failure Remote Controller Display U0 Applicable Models RZQ18~30PVJU Method of Malfunction Detection Short of g...

Troubleshooting by Indication on the Remote Controller SiUS28-902_a 131 Troubleshooting 3.36 “ U2 ” Power Supply Insufficient or Instantaneous Failure Remote Controller Display U2 Applicable Models RZQ18~30PVJU Method of Malfunction Detection Detection of voltage of main circuit capacitor built in t...

Troubleshooting by Indication on the Remote Controller SiUS28-902_a 133 Troubleshooting 3.37 “ U3 ” Check Operation not Executed Remote Controller Display U3 Applicable Models RZQ18~30PVJU Method of Malfunction Detection Check operation is executed or not Malfunction Decision Conditions Malfunction ...

SiUS28-902_a Troubleshooting by Indication on the Remote Controller Troubleshooting 134 3.38 “ U4 ” Malfunction of Transmission between Indoor Units and Outdoor Units Remote Controller Display U4 Applicable Models AII indoor unit modelsRZQ18~30PVJU Method of Malfunction Detection Microcomputer check...

SiUS28-902_a Troubleshooting by Indication on the Remote Controller Troubleshooting 136 3.39 “ U5 ” Malfunction of Transmission between Remote Controller and Indoor Unit Remote Controller Display U5 Applicable Models AII indoor unit models Method of Malfunction Detection In case of controlling with ...

Troubleshooting by Indication on the Remote Controller SiUS28-902_a 137 Troubleshooting 3.40 “ U8 ” Malfunction of Transmission between Main and Sub Remote Controllers Remote Controller Display U8 Applicable Models AII indoor unit models Method of Malfunction Detection In case of controlling with 2-...

SiUS28-902_a Troubleshooting by Indication on the Remote Controller Troubleshooting 138 3.41 “ UE ” Malfunction of Transmission between Centralized Remote Controller and Indoor Unit Remote Controller Display UE Applicable Models AII indoor unit modelsCentralized controller Method of Malfunction Dete...

SiUS28-902_a Troubleshooting by Indication on the Remote Controller Troubleshooting 140 3.42 “ UF ” System is not Set yet Remote Controller Display UF Applicable Models All models of indoor unitsRZQ18~30PVJU Method of Malfunction Detection On check operation, the number of indoor units in terms of t...

Troubleshooting by Indication on the Remote Controller SiUS28-902_a 141 Troubleshooting 3.43 “ UH ” Malfunction of System, Refrigerant System Address Undefined Remote Controller Display UH Applicable Models AII indoor unit modelsRZQ18~30PVJU Method of Malfunction Detection Malfunction Decision Condi...

Troubleshooting by Indication on the Centralized Remote Controller SiUS28-902_a 143 Troubleshooting 4. Troubleshooting by Indication on the Centralized Remote Controller 4.1 “ UE ” Malfunction of Transmission between Centralized Remote Controller and Indoor Unit Remote Controller Display UE Applicab...

SiUS28-902_a Troubleshooting by Indication on the Centralized Remote Controller Troubleshooting 146 4.3 “ M8 ” Malfunction of Transmission between Optional Controllers for Centralized Control Remote Controller Display M8 Applicable Models Centralized remote controller Method of Malfunction Detection...

Troubleshooting by Indication on the Centralized Remote Controller SiUS28-902_a 147 Troubleshooting 4.4 “ MA ” Improper Combination of Optional Controllers for Centralized Control Remote Controller Display MA Applicable Models Centralized remote controller Method of Malfunction Detection Malfunction...

Troubleshooting by Indication on the Centralized Remote Controller SiUS28-902_a 149 Troubleshooting 4.5 “ MC ” Address Duplication, Improper Setting Remote Controller Display MC Applicable Models Centralized remote controller Method of Malfunction Detection Malfunction Decision Conditions Supposed C...

SiUS28-902_a Troubleshooting by Indication on the Unified ON/OFF Controller Troubleshooting 150 5. Troubleshooting by Indication on the Unified ON/ OFF Controller 5.1 Operation Lamp Blinks Remote Controller Display Operation lamp blinks Applicable Models All models of indoor unitsUnified ON/OFF cont...

SiUS28-902_a 159 Appendix Part 8 Appendix 1. Piping Diagrams ................................................................................. 160 1.1 Outdoor Unit ........................................................................................ 160 1.2 Indoor Unit ..............................

SiUS28-902_a Piping Diagrams Appendix 160 1. Piping Diagrams 1.1 Outdoor Unit RZQ18PVJURZQ24PVJURZQ30PVJU C : 3D06223 8 B S1 N PL S1 N PH S1PH -

SiUS28-902_a Wiring Diagrams for Reference Appendix 162 2. Wiring Diagrams for Reference 2.1 Outdoor Unit RZQ18PVJURZQ24PVJURZQ30PVJU 3D062307B A1P A2P BS1~5 C1~3 DS1 F1U F6U H1P~8P(A2P) HAP HBP K11M K1R K2R K3R K4R L1R M1C M1F PS R1 R2 R1T R2T R3T R4T R5T R10T S1NPH S1NPL S1PH V1R V2R, V3R V1T X1M ...

SiUS28-902_a Thermistor Resistance / Temperature Characteristics Appendix 166 3. Thermistor Resistance / Temperature Characteristics Indoor unit For air suction R1T For liquid pipe R2T For gas pipe R3T Outdoor unit For outdoor air R1T For suction 1 R3T For Heat exchanger R4T For Suction 2 R5T T°F T°...

SiUS28-902_a 169 Precautions for New Refrigerant (R-410A) Part 9 Precautions for New Refrigerant (R-410A) 1. Precautions for New Refrigerant (R-410A) ........................................ 170 1.1 Outline ................................................................................................

SiUS28-902 Precautions for New Refrigerant (R-410A) Precautions for New Refrigerant (R-410A) 170 1. Precautions for New Refrigerant (R-410A) 1.1 Outline 1.1.1 About Refrigerant R-410A  Characteristics of new refrigerant, R-410A 1. Performance Almost the same performance as R-22 and R-407C 2. Pressu...

SiUS28-902 Precautions for New Refrigerant (R-410A) Precautions for New Refrigerant (R-410A) 172 1.2 Service Tools R-410A is used under higher working pressure, compared to previous refrigerants (R-22,R-407C). Furthermore, the refrigerating machine oil has been changed from Suniso oil to Ether oil, ...

1645 Wallace Drive, Suite 110 Carrollton, TX75006 [email protected] www.daikinac.com AMERICAS dddddfdf ISO 9001 is a plant certification systemdefined by the International Organizationfor Standardization (ISO) relating to quality assurance. ISO 9001 certificationcovers quality assurance aspects rela...