Haier HSU18VH7- User Manual

Page 2 - Air conditioner; CONTENTS; ELECTRICAL CONTROL

Air conditioner Edition: 10070808 CONTENTS 1. GENERAL INFORMATION................................................................1 2. SPECIFICATION................................................................................3 3. ELECTRICAL CONTROL S ..................................................

Page 3 - General information; who troubleshoot and repair these units.

Air conditioner Edition: 10070 8 0 8 - 1 - 1. General information This Service Manual describes the operation, disassembly, troubleshooting, and repair of Haier Room Air Conditioners, etc. It is intended for use by authorized services who troubleshoot and repair these units. It is assumed that users...

Page 4 - Product Features; FAN SPEED

HSU18VH7 10070808 Product Features FAN SPEED TEMP SI GN AL SENDING SLEEP HEALTH POWER ON/OFF 18000/17800 BTU 1580/1560W/7/7.5A SEER:13.0/13.0 18000/18000 BTU 1520/1480W/6.7/7.2A HSPF:7.7/7.7 500 CFM 1PH 230/208V ~ 60Hz

Page 7 - Introduction to electrical control functions; 压机关

Air conditioner Edition: 10070808 - 5 - 3.2 . Introduction to electrical control functions Including brief introduction to air conditioners of series models and electric control function. Brief introduction to electric control function Automatic running (applicable to fan-coil model) When the runnin...

Page 8 - State2

- 6 - Air conditioner Edition: 10070808 State1 State2 State3 Ts-1 Ts Ts+2 Ts+3 Warm start (preventing cold wind when heating running begins, applicable to fan-coil model)) When heating running begins, indoor fan will conduct the following fan control: If the temperature of indoor coil pipe is ≥ 23 ℃...

Page 10 - OFF t(hour)

- 8 - Air conditioner Edition: 10070808 temperature, sleep state, flap state. . Cancellation of function: Pressing the SLEEP button on the remote control unit for 10 times until hearing 2 sounds from the buzzer on the panel. Trial run function When the air conditioner is in OFF state, press the emer...

Page 11 - PCB; after another 1 hour, it will decrease the 2

MODEL The SW2 select“25”OR “35” HSU18VH7 0010403861 - 9 - Air conditioner Edition: 10070 8 0 8 25 PCB running for 1 hour under heating mode, the setting temperature will decrease 2 ℃ , after another 1 hour, it will decrease the 2 ℃ again, and after 3 hours, it will increase 1 ℃ , and after other 3 h...

Page 13 - Table for Wrong Codes; chart 1: SENSOR MALFUNCTIONS; chart 2 Indoor fan motor malfunction; YES

Air conditioner Edition: 10070808 - 11- Table for Wrong Codes Wrong express power timing operating ★ ■ ■ indoor ambient temperature sensor abnormal Check the sensor of indoor ambient temperature,if the resistance value is0 or ∞,the sensor is abnormal. see the following flow chart 1 Multimeter ★ □ □ ...

Page 18 - Indoor unit

Indoor unit 10070808 16 Connecting wiring:AWG12X5. Power Cable:AWG12X3. Grounding line yl pp us re wo P Connecting wiring:AWG12X4+AWG18X2. Power Cable:AWG12X3. Grounding line yl pp us re wo P

Page 22 - WIRING DIAGRAM INDOOR UNIT

WIRING DIAGRAM INDOOR UNIT 10070808 20 WIRING DIAGRAM OF INDOOR UNIT TO OUTDOOR UNIT THE DASHED UNIT IS OPTIONAL UNIT. ONLY COOLING TYPE DOESN'T HAVE THE DOTTED LINE. 1 2 NOTING： 1 CN10 CN12 CN4 N L COMP 2 3 4 5 B:BLACK W:WHITE R:RED ION GENERATOR M CN7 PCB CN1 CN2 CN3 CN9 CN8 SW1 M FAN MOTOR VE R w...

Page 23 - OUTDOOR UNIT; TO INDOOR UNIT; WIRING DIAGRAM OF OUTDOOR UNIT; BR; CM

OUTDOOR UNIT Edition:10070808 21 B W:WHITE 4 TO INDOOR UNIT the dotted line part may not exist. Note: Because of the difference of compressor, BR:BROWN Y/G:YELLOW/GREEN Y:YELLOW B:BLACK R:RED BL:BLUE 1 2 3 W L1(L) 6 5 7 WIRING DIAGRAM OF OUTDOOR UNIT W W B R B C ～ M ～ w BR B R CM S R 0010510468 G L2...

Page 27 - CIRCUIT DIAGRAM

CIRCUIT DIAGRAM 10070808 25 PTA6 32 PTA5 31 PTA4 30 PTA3 29 PTA2 28 PTA1 27 PTA0 26 PTG2/KBD2 25 PTG1/KBD1 24 PTG0/KBD0 23 VDD 22 VSS 21 PTE7/SPSCK 20 PTE6/MOSI 19 PTE5/MISO 18 PTE4/SS 17 PTE3/TACH1 16 PTE2/TACH0 15 PTE1/RXD 14 PTE0/TXD 13 PTF6 12 PTF5/TBCH1 11 PTF7 10 NC 9 PTF4/TBCH0 8 PTF3/TBCH3 7...

Haier HSU18VH7- User Manual

Table of Contents:

Summary

Other Haier Models