Page 3 - ii; Check of Density Limit
ii 2. The standards for minimum room volume are as fol- lows. (1) No partition (shaded portion) (2) When there is an effective opening with the adjacent room for ventilation of leaking refrigerant gas (open-ing without a door, or an opening 0.15% or larger than the respective floor spaces at the top...
Page 4 - iii; Run; Contents
iii Section 1: TEST RUN ..............................................................................................................1-1 1. Test Run ...........................................................................................................1-2 2. Setting of Unit Control PCB ...........
Page 5 - Test Run
1-1 Test Run 1 2 3 4 5 6 7 8 Contents 1. TEST RUN 1. Test Run ..............................................................................................................................1-2 1. Preparing for Test Run .....................................................................................
Page 6 - Preparing for Test Run
1-2 Test Run 1 2 3 4 5 6 7 8 1. Test Run 1. Preparing for Test Run Before attempting to start the air conditioner, check the fol-lowing. (1) All loose matter is removed from the cabinet, especially steel fi lings, bits of wire, and clips. (2) The control wiring is correctly connected and all electri...
Page 7 - Test Run Procedure
1-3 Test Run 1 2 3 4 5 6 7 8 YES Make necessary corrections. Check the alarm contents. Check the alarm contents. Turn OFF the indoor and outdoor unit power. NO YES NO *1 *2 *3 *3 *2 CASE 1 CASE 2 CASE 3B CASE 3A YES YES NO YES NO NO NO YES YES NO Recheck the items to check before the test run. Have ...
Page 8 - Setting of Unit Control PCB; Main Outdoor Unit PCB Setting
1-4 Test Run 1 2 3 4 5 6 7 8 2. Setting of Unit Control PCB 1. Main Outdoor Unit PCB Setting S003 S002 CN100 CN101 CN003 S004 S006 S005 S007
Page 9 - Address setting of main outdoor unit (S007)
1-5 Test Run 1 2 3 4 5 6 7 8 2. Setting of Unit Control PCB Examples of the No. of indoor units settings (S005, S004) z 2 3 2 1 ON 1 ON ON 3 1 2 3 2 1 ON 3 1 1 1 1 1 ON 1 2 3 ON 1 2 3 ON 1 2 3 ON 1 2 3 2 1 ON 2 1 ON ON 1 2 2 1 ON 1 1 0 0 ON 1 2 3 ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON O...
Page 10 - Auto Address Setting; • If link wiring is not used; (1) Automatic Address Setting from the Outdoor Unit; Turn ON the power to the indoor and outdoor units.
1-6 Test Run 1 2 3 4 5 6 7 8 3. Auto Address Setting 1. Auto Address Setting Basic wiring diagram: Example (1) • If link wiring is not used (The inter-unit control wires are not connected to multiple refrigerant systems.) Indoor unit addresses can be set without operating the compressors. Case 1 (1)...
Page 11 - • If link wiring is used
1-7 Test Run 1 2 3 4 5 6 7 8 1-1 1-2 2-1 2-2 2-9 1-3 1-13 2 9 2 1 ON 3 ON 1 2 3 ON 1 2 3 3 2 1 ON ON 1 2 3 ON 1 2 2 ON 1 3 1 1 ON 3 2 ON 1 2 2 ON 1 3 3 2 1 ON ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF OFF ON Automatic address setting in Heating mode Automatic address sett...
Page 12 - Automatic Address Setting (no compressor operation)
1-8 Test Run 1 2 3 4 5 6 7 8 3. Auto Address Setting Case 2 Automatic Address Setting (no compressor operation) Indoor and outdoor unit power can be turned ON for each system separately.Indoor unit addresses can be set without operating the compressors. Automatic Address Setting from Outdoor Unit 1....
Page 13 - Case 3A; Automatic Address Setting in Heating Mode; Turn the indoor and outdoor unit power ON at all systems.
1-9 Test Run 1 2 3 4 5 6 7 8 3. Auto Address Setting Case 3A Automatic Address Setting in Heating Mode Indoor and outdoor unit power cannot be turned ON for each system separately.In the following, automatic setting of indoor unit addresses is not possible if the compressors are not operating.Theref...
Page 14 - Automatic Address Setting from Outdoor Unit; Automatic Address Setting* from the Remote Controller
1-10 Test Run 1 2 3 4 5 6 7 8 3. Auto Address Setting Case 3B Automatic Address Setting in Cooling Mode Indoor and outdoor unit power cannot be turned ON for each system separately. In the following, automatic setting of indoor unit addresses is not possible if the compressors are not operating. The...
Page 15 - Display during automatic address setting; On outdoor main unit PCB; Display meaning; Remote controller display
1-11 Test Run 1 2 3 4 5 6 7 8 3. Auto Address Setting Display during automatic address setting On outdoor main unit PCB LED 1 2 Blink alternately * Do not short-circuit the automatic address setting pin (CN100) again while automatic address setting is in progress. Doing so will cancel the setting op...
Page 16 - Remote Controller Test Run Settings; Checking the indoor unit addresses
1-12 Test Run 1 2 3 4 5 6 7 8 4. Remote Controller Test Run Settings Request concerning recording the indoor/outdoor unit combination Nos. After automatic address setting has been completed, be sure to record them for future reference. List the outdoor main unit system address and the addresses of t...
Page 17 - Caution for Pump Down; This outdoor unit cannot collect more; CAUTION
1-13 Test Run 1 2 3 4 5 6 7 8 5. Caution for Pump Down 5. Caution for Pump Down Pump down means refrigerant gas in the system is returned to the outdoor unit. Pump down is used when the unit is to be moved, or before servicing the refrigerant circuit. This outdoor unit cannot collect more than the r...
Page 18 - Meaning of Alarm Messages; Viewing the LED 1 and 2 (D72 and D75) alarm displays; Alarm contents; Alarm Display; Possible cause of malfunction; Alarm; Continued
1-14 Test Run 1 2 3 4 5 6 7 8 6. Meaning of Alarm Messages 6. Meaning of Alarm Messages Table of Self-Diagnostics Functions and Description of Alarm Displays Alarm messages are indicated by the blinking of LED 1 and 2 (D72, D75) on the outdoor unit PCB. They are also displayed on the wired remote co...
Page 20 - Alarm messages displayed on system controller; NOTE
1-16 Test Run 1 2 3 4 5 6 7 8 6. Meaning of Alarm Messages Alarm messages displayed on system controller Serialcommunication errorsMis-setting Error in transmitting serial communication signal Indoor or main outdoor unit is not oparating correctly.Mis-wiring of control wiring between indoor unit, ma...
Page 21 - Remote Control Functions; Receiver
2-1 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions Contents 2. REMOTE CONTROL FUNCTIONS 1.Main Operating Functions ..................................................................................................2-2 1. Room Temperature Control ................................................
Page 22 - Main Operating Functions; Room Temperature Control
2-2 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 1. Main Operating Functions 1. Room Temperature Control The thermostat is turned ON/OFF according to as shown below. T = Room temperature - Set temperature When remote controller sensor is used Room temperature = Temperature detected by th...
Page 23 - Automatic Control for Heating and Cooling; Selected operating mode
2-3 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 1. Main Operating Functions 2. Automatic Control for Heating and Cooling Automatic Heating/Cooling Control (1) When operation starts, heating or cooling is selected according to the set temperature and the room temperature. Room temperatur...
Page 24 - Wireless Remote Controller; How to Use the Wireless Remote Controller; D: Temperature setting buttons
2-4 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 2. Wireless Remote Controller Optional Controller (Remote Controller) Wireless Remote Controller / RCS-SH80AAB.WL (for X Type) / RCS-TRP80AAB.WL (for A, T Type) / RCS-BH80AAB.WL (for U, D Type) / RCS - SH1AAB (for K Type) 1. How to Use the...
Page 25 - Operation mode; NOTE This function is available only for models X, A, T and K.; Press this button several times until the
2-5 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 2. Wireless Remote Controller F: FILTER button If a separately installed signal receiver is being employed, this button is used to turn off its filter lamp. When the filter lamp has lighted, first clean the filter, and then press the FILTE...
Page 26 - Fan and heating; Use this button to set the timer.
2-6 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 2. Wireless Remote Controller The wireless remote control unit sends the temperature signal to the air conditioner regularly at fi ve-minute intervals. If the signal from the wireless remote control unit stops for more than ten minutes due...
Page 27 - Indication lamps; This lamp lights when the appliance is turned on.; X type
2-7 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 2. Wireless Remote Controller 2. Receiver The signal receivers with the exception of the separately installed signal receiver are mounted on the indoor units. A: Receiver This section picks up infrared signals from the wireless remote cont...
Page 28 - Press the MODE button to select the mode of your choice.
2-8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 2. Wireless Remote Controller 3. Operation • To warm up the system, the power mains must be turned on at least five (5) hours before operation. STEP 1 To start the air conditioner: Press the operation button (ON/OFF button). STEP 2 Setting...
Page 29 - Using the Wireless Remote Control Unit; Slide switch; Cover
2-9 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 2. Wireless Remote Controller 4. Using the Wireless Remote Control Unit Slide switch This is used to set the operation mode of the indoor units and to set the flaps.• Depending on the indoor unit used, the operation display and airflow dir...
Page 30 - Operating tips; A beep is heard when a signal is received properly.; Installation fitting of wireless remote control unit
2-10 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 2. Wireless Remote Controller 5. Address Settings When mounting thewireless remote controlunit on a wall for use • Before mounting the wireless remote control unit on the wall, place the unit at the mounting position, press the ON/OFF ope...
Page 32 - Emergency Operation; Press the Emergency operation button once more.
2-12 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 2. Wireless Remote Controller 6. Emergency Operation In any of the following events, use the Emergency operation button to operate the airconditioner on a makeshift basis. • When there is no charge remaining in the wireless remote control...
Page 33 - Shutdown
2-13 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 2. Wireless Remote Controller A, U, D type Initiate operation using the Emergency operation button in the signal receiver. 1. Press the Emergency operation button. The air conditioner initiates a cooling operation when its operation is st...
Page 34 - Trouble Possible; Chec; Trouble
2-14 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 2. Wireless Remote Controller 7. Troubleshooting Check out the following points before requesting service. If the trouble persists even after performing the checks recommended above, shut down the air conditioner's operation, set thelocal...
Page 35 - How to Use the Timer Remote Controller
2-15 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 3. Timer Remote Controller (RCS-TM80BG) 1. How to Use the Timer Remote Controller 15 14 16 17 23 25 27 29 26 28 30 18 21 22 20 24 12 1 2 5 7 3 8 6 9 31 10 4 11 13 Operating buttons Display 8 10 9 13 11 12 1 3 4 7 2 56 SM830157̲W-2WAY̲ECO-...
Page 36 - Names and Operations
2-16 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 3. Timer Remote Controller (RCS-TM80BG) 2. Names and Operations 1. Start/Stop button Pushing this button starts, and pushing again stops the unit. 2. Operation lamp The lamp is turned on when an air conditioner is in opera-tion.This lamp ...
Page 38 - Installation Manual for Timer Remote Controller; Accessories for remote controller switch; How to install the Remote Controller; this may cause malfunction.
2-18 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 3. Timer Remote Controller (RCS-TM80BG) 3. Installation Manual for Timer Remote Controller Accessories for remote controller switch 4. How to install the Remote Controller Do not supply power to the unit or try to operate it until the tub...
Page 39 - Group Control Using 2 Remote Controllers; Remote Controller Setting Mode
2-19 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 3. Timer Remote Controller (RCS-TM80BG) Use AWG#20 to AWG#16 wires. Remote controller wiring can be extended to a maximum of 1640 ft. (1) Strip the insulation to approximately 35/64" from the ends of the wires that will be connected. ...
Page 40 - Caution when installing the remote controller
2-20 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 3. Timer Remote Controller (RCS-TM80BG) Fig. 2-4 Fig. 2-5 5/32 7/64 4-23/32 4-23/32 5/8 1-1/2 1 1 3/16 × 3/8 53/64 4-13/32 15/16 11/64 × 3/8 1/16 11/64 × 3/8 3/16 × 27/64 1-13/16 3-9/32 4-35/64 Caution when installing the remote controlle...
Page 41 - Setting the Present Time; for more than 2 seconds to enter in the present
2-21 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 3. Timer Remote Controller (RCS-TM80BG) 10. Setting the Present Time 1. Press and hold for more than 2 seconds to enter in the present day and time setting mode.Once you enter in the setting mode, , “ ”(day) and “time” fl ash. 2. Set “ ” ...
Page 42 - Checking Weekly Timer; to enter the program confi rmation mode; program CHeck
2-22 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 3. Timer Remote Controller (RCS-TM80BG) Checking Weekly Timer Set the weekly program assigning a given timer to each day of the week. Maximum of 6 programs a day and 42 programs a week can be set.Select the day and the TIMER number you wa...
Page 43 - Select the program you want to set in the program
2-23 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 3. Timer Remote Controller (RCS-TM80BG) Changing the Program Timer To set the weekly program, follow the steps below. 1. Select the program you want to set in the program confi rmation mode, and press . The enters the setting mode of the ...
Page 45 - If Power Failure Occurred
2-25 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 3. Timer Remote Controller (RCS-TM80BG) Deleting the Program Timer To delete the program timer setting, follow the steps below. 1. Press to enter the program confi rmation mode. 2. Press / to select the day of the program you want to de- ...
Page 46 - Duplicating the Program Timer; Select the copy source.; Note
2-26 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 3. Timer Remote Controller (RCS-TM80BG) Duplicating the Program Timer You can duplicate the preset program by day. Select the copy source. 1. If is pressed in program checking mode , it enters the copy mode (Selecting the copy source ) of...
Page 47 - HEAT; General Performance of the Outing Function; For Example; Setting at Outing Temperature 86°F (30°C); er with your desired operation mode/ temperature setting.; Outing function Upper limit; Room temperature; Outing function Lower limit
2-27 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 3. Timer Remote Controller (RCS-TM80BG) Outing function is a function that prevents the room temperature from increasing too much (or decreasing too much) when no one is in the room.An air conditioner works automatically if this function ...
Page 48 - and the upper limit temperature start fl ashing.; Press and hold; for more than 2 seconds while the outing function is set.; Outing function indication
2-28 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 3. Timer Remote Controller (RCS-TM80BG) 1. Press and hold for more than 2 seconds to display the upper limit temperature setting screen. , and the upper limit temperature start fl ashing. (The default value of the upper limit temperature ...
Page 49 - Sleeping Function; The indoor unit stops.
2-29 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 3. Timer Remote Controller (RCS-TM80BG) 13. Sleeping Function * This function leads you to a comfortable sleep and chang-es the room temperature during your sleep. * You can set the off timer every one hour from 1 to 10 hours. Display of ...
Page 50 - Wired Remote Controller Test Run Settings
2-30 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 3. Timer Remote Controller (RCS-TM80BG) 14. Wired Remote Controller Test Run Settings 1. Press the remote controller button for 4 seconds or longer. 2. “TEST” appears on the LCD display while the test run is in progress. 3. Then press the...
Page 51 - Simple Settings Function
2-31 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 3. Timer Remote Controller (RCS-TM80BG) 15. Simple Settings Function • This allows the filter lifetime, operating mode prior- ity change, central control address, and other set-tings to be made for an individual or group-control indoor un...
Page 52 - List of Simple Setting Items
2-32 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 3. Timer Remote Controller (RCS-TM80BG) 0000 Not displayed 0001 150 hours 0002 2,500 hours 0003 5,000 hours 0004 10,000 hours Filter sign ON time (filter lifetime) 0005 Use the filter clogging sensor. 0000 Standard (setting at time of shi...
Page 53 - Detailed Settings Functions
2-33 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 3. Timer Remote Controller (RCS-TM80BG) 7 3 1 6 1 5 4 2 16. Detailed Settings Functions • This allows the system address, indoor unit address, and other settings to be made for the individual or group-control indoor unit to which the remo...
Page 54 - List of Detailed Setting Items; Item code; Setting data; Description
2-34 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 3. Timer Remote Controller (RCS-TM80BG) List of Detailed Setting Items Item code Item No. No. No. Setting data 0000 4-Way Air Discharge Semi-Concealed (X) 0005 0008 0006 Type Indoor unit capacity 0001 Unit No. 1 0002 Unit No. 2 0003 Unit ...
Page 55 - Cooling
2-35 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 3. Timer Remote Controller (RCS-TM80BG) Setting data Description No. Item Item code Forced thermostat ON time Cooling discharge temperature shift Heating discharge temperature shift Temperature shift for cooling/heating change in “Auto He...
Page 58 - Table 2 Table of DC Fan Motor Tap Settings (ceiling-mounted type); * Failure to make this setting may result in
2-38 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions Table 1 Table of DC Fan Motor Tap Settings (4-way Air Discharge Semi-Concealed type) Table 2 Table of DC Fan Motor Tap Settings (ceiling-mounted type) Table 3 Table of DC Fan Motor Tap Settings (1-way Air Discharge Semi-Concealed type) * ...
Page 59 - Selecting the DC fan motor tap (when setting from the PCB); White Yellow Red
2-39 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions Selecting the DC fan motor tap (when setting from the PCB) ● 4-way Air Discharge Semi-Concealed type <Procedure> Stop the system before performing these steps. Open the electrical component box cover, then check the indoor unit cont...
Page 60 - Remote Controller Servicing Functions
2-40 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 3. Timer Remote Controller (RCS-TM80BG) 17. Remote Controller Servicing Functions T e s t r u n O p e r a t i o n w i t h f o r c e d t h e r m o s t a t O N P r e s s a n d h o l d t h e b u t t o n f o r 4 seconds or longer. S e n s o r...
Page 61 - Test Run Function
2-41 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 3. Timer Remote Controller (RCS-TM80BG) 2 1 4 3 Test Run Function Operates the unit with the thermostat forced ON. <Procedure> Press and hold the button for 4 seconds or longer. “Test” appears on the remote controller LCD display. S...
Page 62 - Sensor Temperature Diaplay; Sensor Temperature Display Function; N OT E
2-42 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Remote Control Functions 2 1 4 5 3 NOTE:The temperature on the remote controller is displayed in Celusis (C).Please note that you will not mistakenly read it in Fahrenheit (F) on the display. Sensor Temperature Diaplay 3. Timer Remote Controller (RCS-TM80BG) 02 I...
Page 63 - Trouble Diagnosis
3-1 Trouble Diagnosis 1 2 3 4 5 6 7 8 Contents 1. Contents of Remote Controller Switch Alarm Display ....................................................3-22. Outdoor Unit Control PCB LED Display ...........................................................................3-43. W-2WAY ECO-i Alarm Code...
Page 64 - Contents of Remote Controller Switch Alarm Display; Wired
3-2 Trouble Diagnosis 1 2 3 4 5 6 7 8 1. Contents of Remote Controller Switch Alarm Display Remote controller is detecting error signal from indoor unit. Indoor unit is detecting errorsignal from outdoor unit. Outdoor unit is detecting errorsignal from indoor unit. Improper setting Improper setting ...
Page 66 - Outdoor Unit Control PCB LED Display
3-4 Trouble Diagnosis 1 2 3 4 5 6 7 8 2. Outdoor Unit Control PCB LED Display ( : ON : Blinking : OFF) LED (RED) Display meaning 1 2 After the power is turned ON (and automatic address setting is not in progress), no communication with the indoor units in that system is possible. (Both OFF) After po...
Page 67 - Alarm code
3-5 Trouble Diagnosis 1 2 3 4 5 6 7 8 3. W-2WAY ECO-i Alarm Codes W-2WAY ECO-i Trouble Diagnosis 3-103-103-113-113-11 3-12 3-143-143-15 3-153-153-14 3-153-16 3-163-163-17 Alarm code Alarm meaning Page E06 Outdoor unit failed to receive serial communication signals from indoor unit. E12 Automatic add...
Page 78 - HIC
3-16 Trouble Diagnosis 1 2 3 4 5 6 7 8 H31 Alarm Alarm code H31 Alarm meaning HIC trouble alarm Alarm conditions This alarm occurs when the microcomputer identifies a trouble signal (indicating abnormal HIC temperature or other trouble) from the HIC. Probable cause Overcurrent in HIC circuit, and re...
Page 84 - (Inspection) Display on the Remote Controller
3-22 Trouble Diagnosis 1 2 3 4 5 6 7 8 4. Blinking (Inspection) Display on the Remote Controller Currently the blinking inspection display can be displayed only on the wired remote controller and system remote controller. Blinking inspection display (1) (Automatic backup) Alarm code (Blinking inspec...
Page 87 - PCB and Functions
4-1 PCB and Functions 1 2 3 4 5 6 7 8 Contents 4. PCB AND FUNCTIONS 1. Outdoor Unit Control PCB .................................................................................................4-2 1. Outdoor Unit Control PCB CR-CHDX14053 .................................................................
Page 88 - Outdoor Unit Control PCB
4-2 PCB and Functions 1 2 3 4 5 6 7 8 1. Outdoor Unit Control PCB CR-CHDX14053 Terminal plug TEST(CN022)pin EMG(CN002)plug OC(CN001)plug RC(CN006)plug RC1(CN106)plug Control circuit fuse(F003) Low-pressure sensor LIquid temp. sensor at heat exchanger 1,2 High-pressure sensor Oil detection sensor Gas...
Page 90 - Terminal plug
4-4 PCB and Functions 1 2 3 4 5 6 7 8 1. Outdoor Unit Control PCB Terminal plug 3P plug (black): For communications circuit impedance matching A connecting socket (3P, black) is attached to the terminal plug at the time of shipment from the factory.In the case of link wiring which combines the inter...
Page 92 - Indoor Unit Control PCB; Indoor Unit Control PCB Switches and Functions; P-type terminal plate
4-6 PCB and Functions 1 2 3 4 5 6 7 8 2. Indoor Unit Control PCB 1. Indoor Unit Control PCB Switches and Functions Indoor unit control PCB T10: 6P plug (yellow): Used for remote control. (Refer to the remote control section.) (CN61) Control items: (1) Start/stop input (2) Remote controller prohibit ...
Page 96 - PO
4-10 PCB and Functions 1 2 3 4 5 6 7 8 2. Indoor Unit Control PCB 5. CR2 (for POW-KR74GXH56/KHX0752~KHX2452) (Wall-Mounted) TRANS-S plug Control circuit fuse (F201) T20 plug OP1 plug PO W -KR74GXH56-0 SM830157̲W-2WAY̲ECO-i.indb 10 SM830157̲W-2WAY̲ECO-i.indb 10 2007/06/08 14:23:57 2007/06/08 ...
Page 97 - Remote controller prohibit input; Examples of wiring
4-11 PCB and Functions 1 2 3 4 5 6 7 8 2. Indoor Unit Control PCB 6. Explanation of Functions (CR-KXRP56AN, CR-KXRP80AN, POW-KRP50A) T10(CN105)(for remote control) 6P fl ag (yellow): Used for remote control.Control items: Start/stop input Remote controller prohibit input Start signal output Alarm si...
Page 99 - Self-Diagnosis Function Table
5-1 Self-Diagnosis Function Table 1 2 3 4 5 6 7 8 Contents 5. SELF-DIAGNOSIS FUNCTION TABLE 1. Self-Diagnosis Function Table ..........................................................................................5-2 SM830157̲W-2WAY̲ECO-i.indb 1 SM830157̲W-2WAY̲ECO-i.indb 1 2007/06/08 14:23:...
Page 100 - The power LED (D53) on the outdoor unit control PCB does not turn ON.
5-2 Self-Diagnosis Function Table 1 2 3 4 5 6 7 8 1. Self-Diagnosis Function Table 1. Self-Diagnosis Function Table • Causes and corrections in instances when automatic address setting cannot be started • Causes and corrections in instances when automatic address setting starts, but cannot be comple...
Page 101 - even if; Check items; Check that the indoor unit power is turned ON.; Cause; Remote controller
5-3 Self-Diagnosis Function Table 1 2 3 4 5 6 7 8 • When automatic address setting is started from the outdoor unit control PCB or from the remote controller, (SETTING) appears on the remote controller at units where the inter-unit control wiring and remote controller wiring are connected correctly....
Page 103 - Service Checker; Over
6-1 Service Checker 1 2 3 4 5 6 7 8 Contents 6. SERVICE CHECKER 1. Outdoor Unit Maintenance Remote Controller ................................................................6-2 1. Over View ................................................................................................................
Page 104 - Outdoor Unit Maintenance Remote Controller; Functions on the ordinary display
6-2 Service Checker 1 2 3 4 5 6 7 8 1. Outdoor Unit Maintenance Remote Controller ● The special service checker wiring is required in order to connect the outdoor unit maintenance remote controller to the outdoor unit PCB. ● Ordinary remote controllers or other controllers are still required for the...
Page 105 - Special service checker wiring
6-3 Service Checker 1 2 3 4 5 6 7 8 LED 1. Outdoor Unit Maintenance Remote Controller ■ Temperature monitor Displays the temperature from each indoor/outdoor sensor. ■ Outdoor unit alarm history monitor Displays the outdoor unit alarm history. ■ Setting the outdoor unit EEPROM data Settings mode 1 a...
Page 106 - and; The item codes can be changed with the and buttons.
6-4 Service Checker 1 2 3 4 5 6 7 8 1. Outdoor Unit Maintenance Remote Controller and correspond to Fig. 6-3 on the next page. Display (functions) The item codes can be changed with the and buttons. Outdoor unit alarm No. of connected indoor units Unit Nos. of connected indoor unit Operating status ...
Page 107 - The locations where
6-5 Service Checker 1 2 3 4 5 6 7 8 1 3 2 LED <No. of connected indoor units>4 units connected <Unit Nos. 1, 2, 3, 4 connected> 1. Outdoor Unit Maintenance Remote Controller Fig. 6-3 Fig. 6-4 Fig. 6-5 Sample display (Fig. 6-4, Fig. 6-5) XX-YY R.C. Displays the outdoor unit sub-bus addres...
Page 108 - Display of unit Nos. 1 20; Meaning of colon
6-6 Service Checker 1 2 3 4 5 6 7 8 1. Outdoor Unit Maintenance Remote Controller Concerning the 7-segment 4-digit display of remote controller timer time Display of unit Nos. 1 20 Display of unit Nos. 21 40 The unit Nos. of connected units are indicated by four 7-segment digits and a colon. Meaning...
Page 109 - Monitoring Operations
6-7 Service Checker 1 2 3 4 5 6 7 8 4. Monitoring Operations Display the indoor unit and outdoor unit sensor temperatures. <Operating procedure> Press and hold the (CHECK) and (CANCEL) buttons simultaneously for 4 seconds or longer to engage temperature monitor mode.During temperature monitori...
Page 110 - Outdoor Unit Alarm History Monitor
6-8 Service Checker 1 2 3 4 5 6 7 8 5. Outdoor Unit Alarm History Monitor Recalls and displays the outdoor unit alarm history. • This is for the outdoor unit only. Indoor unit alarms cannot be recalled. • The indoor unit alarm history can be viewed on the indoor unit remote controller or other contr...
Page 111 - Setting the Outdoor Unit EEPROM Data
6-9 Service Checker 1 2 3 4 5 6 7 8 1. Outdoor Unit Maintenance Remote Controller 6. Setting the Outdoor Unit EEPROM Data This function is used to make the outdoor unit EEPROM data settings. Setting mode 1 Press the (CHECK) button and the (VENTILATION) button simultaneously for 4 sec-onds or longe...
Page 112 - Refrigerant type; Setting mode 2; Parameter
6-10 Service Checker 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 5 3 2 4 Refrigerant type : (C) and (D) are displayed alternately. The example here (000, 410) indicates R410A. (C) Display of first 3 digits (D) Display of last 3 digits Setting mode 2 Press the (CHECK) button, (SET) button and the (CANCEL) bu...
