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Haier HWE18VCN, Service Manual

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Haier HWE18VCN Service Manual Download Page 6

HWE18VCN

                                     

Warning and Cautions

 Domestic Air Conditioner

5

4.Warning and Cautions 

WARNINGS:  Following the safety messages is very important.

These messages can save you from being injured or killed. Warning symbols alert you to be

This room air conditioner must be grounded.  Grounding reduces the risk of electric shock by

providing an escape wire for the electric current.  The power cord has a grounding wire with a 

grounding plug . Plug it into an outlet that is properly installed and grounded.

Improper use of the grounding plug can result in a risk of electric shock.

Call a qualified electrician if you don’t understand the grounding instructions or if you are not sure

if the air conditioner is properly grounded. If the wall outlet is not grounded,  please contact an

electrician to have it replaced with a proper grounded outlet.

We strongly advise against using an adapter plug.

careful and means Danger . Always follow instructions to be safe and reduce chances of injury

or death . Warning and Danger signs will precede safety messages.

 

Electrical Safety 

GROUNDING:

WARNING:

Do not, under any circumstances, cut or remove the third (ground) prong from the

power cord.

Adapter Plug:

Summary of Contents for HWE18VCN

Page 1: ...n of law This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service ...

Page 2: ...afety and Precaution 4 4 Warning and Cautions 5 5 Installation and Accessory Parts 7 6 Parts and Functions 13 7 Abnormity Diagnose 17 8 System Flow Chart 19 9 Circuit Diagram 21 10 Wiring Diagram 22 Table of Contents 2 3 HWE18VCN Table of Contents Domestic Air Conditioner 1 ...

Page 3: ...HWE18VCN 18000 17800 230 208 60Hz HWE18VCN ...

Page 4: ...nches 16 3 4 Width inches 24 3 8 Net dimensions Depth inches 23 7 16 Height inches 28 3 4 Width inches 20 7 8 Packaging dimensions Depth inches 27 1 8 Net lbs 110 5 Weight Gross lbs 124 6 Type TOSHIBA Model PA165M2C 3ETU Compressor Running cap For comp µF 40 450 Hi Pressure Psig 560 Pressure Low Pressure Psig 270 Model R22 or R410A R410A Refrigerant Charge OZ 30 Indoor unit centrifugal Type Outdoo...

Page 5: ... on your window 3 DO not use if power cord is frayed or damage Also avoid using if there are cracks or abrasion damage along the length plug or connector 6 Do not black airflow inside or outside the air conditioner with blinds drapes protective covers shrubs or bushes 9 Always unplug the air conditioner before servicing it or moving it 7 Be careful of sharp edges on the front and rear fins of the ...

Page 6: ...ounded Improper use of the grounding plug can result in a risk of electric shock Call a qualified electrician if you don t understand the grounding instructions or if you are not sure if the air conditioner is properly grounded If the wall outlet is not grounded please contact an electrician to have it replaced with a proper grounded outlet We strongly advise against using an adapter plug careful ...

Page 7: ...om to attain optimum efficiency While installing unit be sure to tilt air conditioner 5 degrees outward to have the water drip outside the house Install the unit on the north side as that is normal the shaded side This will enhance the operation of your unit Energy Saving Guide The window has to be strong for installation Extra brackets and or support may be reqired depending on your window Brache...

Page 8: ...l is strong enough to hold the unit Extra brackets or supports may be needed depending on the wall Brackets or Supports not provided in all models 5 There is adequate and proper power supply near the air conditioner 6 DO NOT use adopter plugs 7 DO NOT use extension cords 8 DO NOT cut or remove the ground prong 9 DO NOT modify the plug or the electrical wall outlet in any way If plug does not fit t...

Page 9: ...e h t f o m o t t o b e h t t a d n u o f B e d i s r e p s w e r c s o w t e h t e v o m e R basepan handle slowly and evenly pull out the chassis from the cabinet Use two or more people to move the air conditioner Unpack unit in the floor near the installation location CAUTION Never expose plastic front or grille to extreme temperatures 1 Install the top channel with four 4 7 16 self tapping scr...

Page 10: ...pping Screws 7 16 Self Tapping Screws Top Channel Side Curtains Fig 1 Fig 2 WIDTH WIDTH OF WINDOW OPENING CENTER CENTER LINE Be sure your air conditioner does not fall out of the opening during installation or removal A grounded electrical outlet must be within 4 ft 122 cm of where the power supply cord exits the air conditioner Do not block the air discharge or air intake areas on the front panel...

Page 11: ... both curtains so they contact the side window frame Install four 4 1 wood screws two 2 in the upper corners of the curtains and two 2 in the lower corners of the curtain 3 l l i s w o d n i w e h t o t 2 h s a s w o d n i w e h t o t 1 t e n i b a c e h t e r u c e s o t s w e r c s d o o w 1 3 e e r h t e s U 4 Install two 2 1 2 leveling bolts to the left and right brackets 5 e d i s h c a e n o...

Page 12: ...Pick up the chassis carefully and evenly 2 Slide the chassis into the cabinet 3 Reinstall the front panel 4 A n o i t a l l a t s n i e h t f o t r a t s e h t t a d e v o m e r s w e r c s e h t g n i s u s i s s a h c e h t o t l e n a p t n o r f e h t e r u c e S 5 B n o i t a l l a t s n i e h t f o t r a t s e h t t a t e n i b a c e h t m o r f d e v o m e r s w e r c s e h t f o o w t l l ...

Page 13: ...6 self tapping screws 12 1 wood screws 8 Side curtain frames 2 Remote control Installation brackets 7 16 bracket screws 6 2 1 2 bolt and lock nut Phillips head screwdriver Flat blade screwdriver Scissors Level Socket wrench sockets Tape measure Cordless drill and 1 8 bit Pencil Pliers Adjustable wrench Read and follow the instructions provided with any tools listed here ...

Page 14: ...to provide ideal cooling based on the room temperature TIMER To set the air conditioner to turn off between 1 hour and 24 hours The air conditioner must be ON to set 1 r i a e h t e r o f e b s r u o h g n i n i a m e r e h t w o h s l l i w y a l p s i d e h T h s a l f l l i w t h g i l r o t a c i d n i f f O r e m i T R E M I T s s e r P conditioner will turn off 2 s r u o h 4 2 o t r u o h 1 ...

Page 15: ... TIMER ON 1 The display will show the remaining time 2 e m i t e h t e s a e r c e d r o e s a e r c n i o t n o t t u b w o r r a n w o d r o p u E M I T P M E T e h t s s e r P 3 After 5 seconds the display will show the remaining time to Timer ON SLEEP 1 Press the TIMER button to choose Sleep mode The indicator light will turn on 2 The temperature will increase by 2 F 1 hour after the mode is c...

Page 16: ...SETTINGS 1 Turn on the air conditioner 2 h s a l f l l i w l e n a p l o r t n o c r e n o i t i d n o c r i a e h t n o t h g i l r o t a c i d n i n O r e m i T R E M I T s s e r P 3 s r u o h 4 2 o t r u o h 1 m o r f e m i t y a l e d e h t e g n a h c o t n o t t u b w o r r a n w o d r o p u E M I T P M E T e h t s s e r P 4 n o n i a m e r l l i w l e n a p l o r t n o c r e n o i t i d n o...

Page 17: ... on 2 The temperature will increase by 2 F 1 hour after the mode is chosen The temperature then increases another 2 F after 1 hour The unit will hold this temperature for 6 hours then stops 3 To turn off Sleep mode press the TIMER button until the indicator light is off TEMP TIME w o r r a p u E M I T P M E T e h t s s e r p u o y e m i t h c a E e r u t a r e p m e t e h t e s i a r o t n o t t u...

Page 18: ...rs and windows need to be closed so cool air does not escape the room The air filter may need cleaning The unit BTU may be too low for the required cooling area On extreme hot humid days air conditioners may take a little longer to cool Vent may be in the open position Vent has to be closed for optimum cooling Air conditioner is making noise when cooling You may hear sounds of air movement water c...

Page 19: ...or not Pull out the terminals on the mainboard and reinsert them Pull the sensor out of the mainboard 1 Measure the value of resistance between its two jumpers 2 Measure the temperature at the room temperature sensing head Check the specifications of the sensor to decide whether the sensor is damaged or not Replace with new sensor The PCB is broken Replace with new PCB No Yes Yes No HWE18VCN e s o...

Page 20: ...mestic Air Conditioner 19 E1 Bottom malfunctions Repair the plastic keystrokes of the electric box to keep them away from the keystroke of mainboard Replace the indoor PCB with new one Yes No Check whether the keystroke can t work due to extrusion ...

Page 21: ...8 System Flow Chart HWE18VCN System Flow Chart Domestic Air Conditioner 20 ...

Page 22: ... K 0 1 3 R 1 2 4 N C V U 1 R Z H G I H D I M W O L 1 A 1 2 A 2 2 Q 5 1 7 A 7 D N G 8 3 Q 4 1 6 Q 1 1 3 A 3 6 A 6 4 A 4 4 Q 3 1 7 Q 0 1 C C V 9 1 Q 6 1 5 Q 2 1 5 A 5 3 0 0 2 2 C I R O S S E R P M O C 1 X C M 4 5 H D E C B A F G S S V 1 N I X 2 T U O X 3 T S E T 4 D D V 5 N I T X 1 2 P 6 T U O T X 2 2 P 7 T E S E R 8 0 2 P 9 D X T 0 0 P 0 1 D X R 1 0 P 1 1 K L C S 2 0 P 2 1 I S O M 3 0 P 3 1 O S I M...

Page 23: ...OT BE USED BR BROWN W WHITE B BLACK BL BLUE Y G YELLOW GREEN R RED NOTE GR GRAY B G Y G CON1 CN31 COMP RELAY CN32 CN30 N TRANSFORMER SENSOR AMBIENT UV LIGHT TEMP CN5 0010552155C W 3 4 CN18 FUSE T3 15A 250VAC FAN MOTOR R CAPACITOR BL B L M BR H W M M CAPACITOR B R BL PROTECTOR HEAT S C R COMPRESSOR R POWER SUPPLY ...

Page 24: ...ver Haier Group Haier Industrial Park No 1 Haier Road Edited by GuanLi LiuShuE 266101 Qingdao China E mail hractech haier com Signed by WangRuoFeng Tel 86 532 88936935 Http www haier com Approved by ZhangPeng HWE18VCN SM Factory Model NO HWE18VCN ...

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