GE AJCH 08 ACB How to use

Copyright 2004

1
Models/Tech Data Sheet Location
Grille/Filter Removal
Vent Control - PC Board Service
Blower and Fan Service
Capacitors
2
3
3
5
6,7
8
Table of Contents
9
10
Cool Only (non-electronic) Wiring Diagram/Schematic
Heat / Cool Wiring Diagram/Schematic 11
115V Cool Only Fast Moving Parts 12
Fan Operation Adjustment
Temperature Limiting Switches
Power Supply
4
4
115V Current/Differential Temperature Check
Heat Pump Wiring Diagram/Schematic
230/208V Current/Differential Temperature Check
13
230/208V Current/Differential Temperature Check
14
15
16
Cool Only Non-Electronic Fast Moving Parts
17
Cool Only Electronic Fast Moving Parts
18
19
20
21
22
115V Heat / Cool Fast Moving Parts
230/208 Heat / Cool Fast Moving Parts
115V/230V/208V Heat Pump Fast Moving Parts
Warranty
Notes
Cool Only (electronic) Wiring Diagram/Schematic

2
2004 ROOM AIR CONDITIONER
CAUTION! Before servicing any air conditioner, it is important to use hand and arm
protection, such as Kevlar®gloves and Kevlar®arm guards, to protect against sharp
edges and potential cuts and lacerations.
WARNING! To avoid personal injury, disconnect power before servicing this product.
If electrical power is required for diagnosis or test purposes, disconnect the power imme-
diately after performing the necessary checks.
RECONNECT ALL GROUNDING DEVICES
If grounding wires, screws, straps, clips, nuts, or washers used to complete a path to
ground are removed for service, they must be returned to their original position and
properly fastened.
!
Three New Model Series (Cool Only, Heat/Cool, Heat Pump)
New 26” ROOM AIR Conditioners are being introduced. The line-up includes COOL ONLY, HEAT
PUMP, AND HEAT/COOL models. This bulletin will introduce those models with examples from
electro-mechanical and electronic remote units. Basic disassembly for grille, blower, outdoor fan, and
dryer are the same. Model specific temperature charts, wiring diagrams, and other important product
information is located in the Tech Data sheet shipped with each air conditioner. Depending on model
and size, the air conditioner may have a power supply of 110, 208, or 230 Volts.
COOL ONLY
AJCH 08, 10 ACB
AJCH 10, 12 DCB
AJCQ 08, 10 ACB
AJCQ 10, 12 DCB
AJCS 06 LCB
AJCS 08,10 ACB
AJCS 09,10,12 DCB
HEAT/COOL
AJEH 12 DCB
AJES 06 LSB
AJES 08 ASB
AJES 09,10,12 DCB
AJES 10 DCB
HEAT PUMP
AJHS 08 ASB
AJHS 08,10 DCB
Models:
TECHNICAL DATA SHEET is
located in a plastic bag taped to the
front right side of the case, and is
accessed by removing the front grille.
See page 2 of this bulletin for
instructions on removing front grille.

3
GRILLE REMOVAL
Component Access:
Control components can be accessed by remov-
ing the Front Cover. The unit must be removed
from the case to access fans and refrigerant
components.
To Remove Grille:
1. Remove Filter and two screws.
2. Grasp cover at bottom and
pull forward and lift up.
3. Pull the grille out from the bottom
and lift up from the tabs at the
top of the case.
To Replace Grille:
1. Hook the tabs on the front grille even with
the tabs on the case and snap into place.
2. Replace the screws and filter.
YLPPUSREWOP
EGATLOVDETARSTIMILEGATLOV
511721-301
802/032352-781
MAXIMUM CURRENT LEAKAGE:
0.5 MILLIAMP
MAXIMUM GROUND PATH RESISTANCE:
0.1 OHM
ALL MODELS
POWER SUPPLY AND CURRENT
LEAKAGE: