Page 3 - Table of Contents
Page 1. SPECIFICATIONS 4 1-1 Unit specifications 4 1-2 Major Component specifications 7 1-3 Other Component specifications 10 2. DIMENSIONAL DATA 11 3. ELECTRICAL DATA 13 3-1 Electric Wiring Diagram 13 3-2 Control PCB switches and functions 14 4. FUNCTION 15 4-1 Room Temperature Control 15 4-2 Autom...
Page 4 - -1 Unit Specifications
1. SPECIFICATIONS 1-1 Unit Specifications SPW-UMR74/94/124EXH56 Power source Voltage rating Performance CapacityAir circulation (High/Med./Low) m³/h Features Controls/Temperature controlsRemote Controller (Option) wired wireless Fan speed Air FilterSound pressure level (*) high/med/low dB(A) Refrige...
Page 7 - -2 Major Component Specifications
1-2 Major Component Specifications SPW-XMR74/94/124EXH56 Controller PCB Part No.Controls Fan & Fan Motor TypeQ'ty ……. Dia. and lenght mm Fan motor model…Q'tyNo. Of poles…rpm (230 V, High)Running Amps A Power input W Coil resistance (Ambient temp. 20 °C ) Ω BLU-BRN: 95 BRN-BLK: 37 BLK-GRY: 15 GRY...
Page 10 - -3 Other Component Specifications
1-3 Other Component Specifications Trasformer Rating PrimarySecondary 1Secondary 2Secondary 3 Thermal cut-off temp. Thermistor ( Coil sensor E1, E2) Resistance k Ω Thermistor ( Coil sensor E3) Resistance k Ω Thermistor ( Room sensor TA, TF/BL) Resistance k Ω Drain pump ModelRating VoltageInput Flow ...
Page 13 - -1 Electric Wiring Diagram
3. ELECTRICAL DATA 3-1 Electric Wiring Diagram 7P terminal board 1(L) 2(N) U1 U2 R1 R2 wiring remote controller power supply inter-unit control 13
Page 14 - -2 Control PCB switches and functions
3-2 Control PCB switches and functions CR-TRP50A-B OC (CN040) EMG (CN044) VARISTOR(VA041) JP1 DISP (CN072) EXCT (CN073) FILTER (JP001) (CN070) CHK (CN071) FAN DRIVE GRL (CN032) (CN020) T10 (CN061) POWER LED (D002) EEPROM(IC010) T10: 6 plug (yellow): used for remote control. (Refer to the remote cont...
Page 15 - -1 Room temperature control
Page 16 - -2 Automatic control for heating and cooling
Page 18 - -2 How to replace PCB
Page 19 - -3 How to replace EEPROM with EEPROM included in PCB service pack
5-3 How to replace EEPROM with EEPROM included in PCB service pack 19
Page 21 - -4 Table of settings
Page 22 - SERVICING AND MAINTENANCE FUNCTIONS
Page 23 - -1 Contents of remote controller switch alarm display
7. TROUBLE DIAGNOSIS 7-1 Contents of remote controller switch alarm display 23
Page 25 - -2 Outdoor unit control panel LED display
Page 26 - -3 Trouble indications and inspection points
Page 28 - -4 Remote controller servicing functions
Page 35 - -6 Inspection of parts