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Air conditioner Edition: 10070808
Domestic
Air conditioner
HSU18VH7
CAUTION
READ THIS MANUAL
CAREFULLY TO
DIAGNOSE TROUBLE
CORRECTLY BEFORE
OFFERING SERVICE.
THIS MANUAL IS USED
BY QUALIFIED
APPLIANCE
TECHNICIANS ONLY.
HAIER DOES NOT
ASSUME ANY
RESPONSIBILITY FOR
PROPERTY DAMAGE
OR PERSONAL INJURY
FOR IMPROPER
SERVICE
PROCEDURES DONE
BY ONE UNQUALIFIED
PERSON.
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Air conditioner Edition: 10070808 CONTENTS 1. GENERAL INFORMATION................................................................1 2. SPECIFICATION................................................................................3 3. ELECTRICAL CONTROLS ...............................................................4 4. TROUBLE SHOOTING.....................................................................10 5. INSTALLA TION......................................................
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Air conditioner Edition: 10070808 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 of this manual are familiar with the use of tools and equipment used to troubleshoot and repair electrical, mechanical, and refrigeration systems; and understand the terminology us
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10070808 HSU18VH7 Product Features TEMP SIGNAL SENDING FAN SPEED 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
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10070808 HSU18VH7 1 PH 230/208V / 60Hz T1 18000/17800 BTU 1580/1560W/7/7.5A / 13.0/13.0 SEER 18000/18000 BTU 1520/1480W/6.7/7.2A / 7.7/7.7 HSPF -7℃～43℃ 1350rpm 1260rpm 1180rpm 900/830rpm (High/Med/Low) 500/480/450CFM I IP24 5.2 Pints/hr YR-H24 3G2.5mm2 Toshiba/PA160X2CS-3KUU 750ml R410A/67.4Oz 50g Indoor(H/M/L) 47/46/44 47/45/44 (dB) Outdoor 60/62 Φ16mm Low pressure at cool side 600Psig 600Psig Φ16mm Φ6.35/12.7mm 7m 3/15m 33.6lbs 40lbs 116lbs 124lbs 8 13/16*45 15/32*12 1/8 28 3/4*33 27/32*10
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10070808 3.1 Basic Function 60 F 86 F 60 86 F F 60 86 F F 4
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Air conditioner Edition: 10070808 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 3.2.1 Automatic running (applicable to fan-coil model) When the running mode is turned to automation after starting the system, the system will first determine the running mode according to the current room temperature and then will run according to the
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Air conditioner Edition: 10070808 State1 State2 State3 Ts-1 Ts Ts+2 Ts+3 3.2.4 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 ℃, start lower wind speed; If the temperature of indoor
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Air conditioner Edition: 100070808 Note: Sequence of defrosting actions: 9(or 7)minutes Compressor ON OFF Four-way valve ON OFF Outdoor fan ON OFF 55s 55s 1min 1min 3.2.7 Freezing prevention function Under refrigerating and dehumidifying state, the air conditioner will control the outdoor fan as per the
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Air conditioner Edition: 10070808 temperature, sleep state, flap state. c. 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. 3.2.11 Trial run function When the air conditioner is in OFF state, press the emergency switch for 5 seconds till hearing 2 sounds of click from the buzzer, then the air conditioner will turn to the trial run state. The unit will run in the refrigerating mode and t
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Air conditioner Edition: 10070808 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 hours, it will cease. MODEL PCB The SW2 select“25”OR “35” HSU18VH7 0010403861 25 - 9 -
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Air conditioner Edition: 10070808 Table for Wrong Codes Wrong express reasons Ways and means solutions tools power timing operating indoor ambient Check the sensor of indoor ambient temperature temperature,if the resistance value is ★ ■ ■ sensor see the following flow chart 1 Multimeter ∞,the sensor is 0 or abnormal abnormal. indoor pipe Check the sensor of indoor coilpipe temperature ★ □ □ Multimeter ,if the resistance value is 0 or see the following flow
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10070808 Indoor unit Grounding line Grounding line Connecting wiring:AWG12X4+AWG18X2. Connecting wiring:AWG12X5. Power Cable:AWG12X3. Power Cable:AWG12X3. 16 Power supply Power supply
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