Haier HWE24VCN User manual

Model No.
HWE24VCN
SERVICE MANUAL
Order No.AC0812S001V1
Group
Feature
Top Discharge Airflow Pattern
Modern Family-look Design
3 Cool Settings, 3 Fan Settings
Slide Out chassis
Easy-Access Washable Filter
Digital Time & Temperature Display
24 Hour on/off Timer
©2014 (Qingdao Haier Air Conditioner General corp.,Ltd)
All right reserved .Unauthorized copying and distribution is a violation 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 or
repair the product or products dealt with in this service information by anyone else could result in serious injury or death
WARNING
ON/OFF
MODE
SPEED
TIMER
TEMP/TIME
TEMP/TIME

1. Product Code Illumination and Series introduction.......................................
2. Specifications....................................................................................................
3. Safety 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
HWE24VCN Table of Contents
Domestic Air Conditioner
1

HWE24VCN
24000/23500
230/208/60Hz
HWE24VCN

2.Specification
Item Unit HWE24VCN
Cooling capacity BTU/h 24000/23500
Heating capacity BTU/h /
Power supply 1PH/230/208/60HZ
Power input W 2550/2500
Running current A 11.1/12.1
Cooling
EER BTU/(h·W) 9.4/9.4
Power input W /
Running current A /
Heating
COP BTU/(h·W) /
Indoor side dB(A) 58
Sound Level Outdoor side dB(A) 63
18 21/32
26 9/16
24 13/32
22 3/8
29 13/16
29
Height inches
Width inches
Net dimensions
Depth inches
Height inches
Width inches
Packaging
dimensions Depth inches
Net lbs
lbs
Weight Gross
Type Rotary
Model / ASH232SN-C8DU1
Compressor
Running cap. For comp. µF 50
Hi-Pressure Psig 560
Pressure Low-Pressure Psig 270
Model R22 or
R410A R410A
Refrigerant
Charge OZ 34.2
Indoor unit / centrifugal
Type Outdoor unit / axial
Fan
Fan Speed Indoor unit r/min
Air volume CFM
Moisture removal Pints/hr
129.2
143.5
HWE24VCN Specification
Domestic Air Conditioner
2
1120/1060/980
540/510/470
7.8

HWE24VCN Safety and Precaution
Domestic Air Conditioner
4
3. Safety and Precaution
WARNING: Following these basic precautions will reduce the risk of fire ,electrical shock ,injury or death
when using your air conditioner .
1) Air conditioner must be connected to proper electrical outlet with the correct electrical supply .
4)DO NOT USE AN ADAPTER OR AN EXTENSION CORD.
5)When installing your air conditioner in a window,make sure the window is strong enough to hold the weight
of the air conditioner.You also want to secure and correctly install your air conditioner property to prevent it
from falling.Extra brackets or support may be required depending 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 unit that could cut and cause serious injury.
8)Be careful when lifting the air conditioner to install or remove the unit . Always use two or more people
for this .
2) Proper grounding must be ensured to reduce the risk of shock and fire .
DO NOT CUT OR REMOVE THE GROUNDING PRONG.
If you do not have a three-prong electric receptacle outlet in the wall, have a certified electrician install the
proper receptacle . The wall receptacle MUST be properly grounded .

HWE24VCN 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:

HWE24VCN Warning and Cautions
Domestic Air Conditioner
6
TIPS
This air conditioner is designed for use in a double hung window.
When installing your air conditioner, make sure to seal all areas where there is a possibility of air leakage.
The airflow should not be blocked either inside by curtains, drapes or furniture, or outside bu shrubs or bushes.
Do not needlessly use electrical light or other appliances that produce heat.
Keep the blinds and drapes drawn on all other windows.
While cooking, use an exhaust fan in the kitchen to remove the excess heat.
Always use the correct BTU size air conditioner to cool the room 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. (Brachets and supports not included in all models.)
Masure the window before installing. If the window is too big for the unit, you may require professional installation.
Use the correct electric voltage and proper ampere for the unit to run effectively.
Only let a certified electrician modify your electrical outlet.
Use a dedicated line fot the operation of your air conditioner to avoid the possibility of an electrical surge.

HWE24VCN Installation and Accessory Parts
Domestic Air Conditioner
7
5. Installation and Accessory Parts
Check the following before you install your air conditioner:
1) The unit is free of all obstructions inside and outside the room e.g. drapes, curtains, furniture, plants,
shrubs, bushes, trees, other structures like building, garage etc.
Air conditioner must have clear unobstructed airflow through the condenser to remove the heat.
2) The window is strong enough to hold the weight of the air conditioner. Extra brackets or supports may be
needed depending on your windows. Brackets or supports not not provided in all models.
3) The window sill and track are strong enough to hold the weight of the air conditioner.
4) The wall 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 the electrical outlet
have a certified electrician do the necessary change.
10) NOT connect electrical power to the unit before installation.
11) DO NOT use if power cord is worn out, hayed or damage. Avoid using if here are cracks or abrasion
damage along the length, plug or connection.
12) DO NOT install into any existing cabinet or sleeve which does not have ride and top air vents.
13) Be careful of exposed sharp edges of the cabinet and sharp coils (fins) on the back of the unit that could
cut and cause serious injury.

HWE24VCN Installation and Accessory Parts
Domestic Air Conditioner
8
A. 31 1⁄4” (79.4 cm) minimum
B. 20 1/4” (51.4 cm) minimum
Window Installation
Window opening measurements:
■31 1/4” minimum to 40” (79.4 cm to 101.6 cm) maximum opening
width.
■20 1/4 ” (51.4cm) minimum opening height.
A
B
.
Prepare unit for installation
PrepareAir Conditioner for Installation
CAUTION:
Never expose plastic front or grille to extreme temperatures.
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cabinet from the front panel.
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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 screws.
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hand curtain assembly.
3. gnippat-fles”61/7)6(thgiehtiwtenibacehtfosedisehtotspirtsreniaterniatrucnetsaF
screws. (3) Self tapping screws on each side.
Assemble and install side curtains and top channel

HWE24VCN Installation and Accessory Parts
Domestic Air Conditioner
9
Prepare Window for Installation
1. Measure the width of the window opening.
2. Mark the center line on the inside windowsillwith a pencil.
NOTES:
Front
7/16" Self Tapping Screws
Top Channel
7/16" Self
Tapping Screws
Side Curtains
Fig. 1
Fig. 2
7/16" Self
Tapping Screws
Top Channel
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.
• Do not block the louvers on the outside of the air conditioner.