Trane OXBOX JAYLOAM001 User manual
LOW AMBIENT CONTROLLER INSTALLATION MANUAL
1
SAFETY PRECAUTION
Read the safety precautions carefully before installing the unit.
Stated below are important safety issues that must be obeyed.
Confirm there is no abnormal phenomena during test operation after complete, then leave the manual with the end user.
Meaning of marks:
WARNING
CAUTION
Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
Indicates a hazardous situation which, if not avoided, could result in minor to moderate injury.
WARNING
CAUTION
Please have a professional install this unit.
Installation by other persons may lead to improper installation, electric shock or fire.
Strictly follow this manual.
Improper installation may lead to electric shock or fire.
Reinstallation must be performed by professionals.
Improper installation may lead to electric shock or fire.
Do not disassemble the heat pump unless you are a professional servicing or repairing the unit.
Make sure all power to unit is turned off.
Disassembly by a non-professional may cause abnormal operation or heating, which may result in fire.
Before installing, modifying, or servicing system, main electrical disconnect switch must be in the OFF position and install a lockout
tag.There may be more than 1 disconnect switch. Always use a suitable warning label.
Follow all safety codes.
Thank you very much for purchasing our product.
Before using your unit, please read this manual carefully and keep it for future reference.
16123000A17426 V.B
Sheet metal parts may have sharp edges or burrs. Use care and wear appropriate protective clothing and gloves when handling
parts.
Wear safety glasses, protective clothing, and work gloves. Use wet cloth for brazing operations and have fire extinguisher available. Read
these instructions thoroughly and follow all warnings or cautions included in literature and attached to the unit. Consult local building codes
and current editions of the National Electrical Code ( NEC ) NFPA70. In Canada, refer to current editions of the Canadian electrical
codeCSA22.1.
JAYLOAM001
88-MACC008-1A-EN
Beware of potential cut hazards.
These instructions cover installation of ICM Part No.325-HN on all split system heat pumps. The device is designed to control outdoor
fan motor speed under low outdoor temperature conditions. It is specifically designed to control condenser fan motor speed in reponse
to the saturated condensing temperature during operation in cooling mode only.This kit is not applied on the units with ECM fan motor.
Parts necessary for mounting control and sensor assembly are included in the kit. Either assembly can be replaced independently of the
other.
STEP 1-Be certain power to unit is disconnected.
STEP 2- Route sensor wire through the knockout on side plate then the right hole on E-part box and over to outside row of coil (left
side), be careful not to harm tubing (Figure 1).
STEP 5- Bind unused wire and secure it near or next to control.
STEP 6- Protect sensor wire from physical damage or wind movement where necessary.
Note: Wiring in field installed, an insulated sleeve that meets local laws and regulations must be added to protect the wires.
Figure 3
Figure 2
Sensor
Figure 1
STEP 4-Secure sensor on the condenser coil found in STEP 2
with the belt supplied.
Note: The sensor is delicate. Handle with care.
STEP 3-Find the coil return bend as shown in Figure 2 on which
sensor will be mounted.
Top of coil
Top of coil
E-part box
See detail A
Side plate
Detail A
The right hole
The knockout
2
Introduction
Mounting sensor
STEP 7- Put control assembly in electrical box and fasten it
with two screws provided with the kit.
STEP 8- See wiring diagram for wiring connections (Figure 5).
Figure 4
Figure 5
Figure 6
Figure 7
Note:The high voltage power supply must agree with the equip
ment nameplate.
Power wiring must comply with National, State and Local Codes.
Follow instructions on unit wiring diagram located on the inside of
the access panel.
Field Installed
Insulation Sheath
CC: Compressor Contactor
DFC: Defrost Control
OFM: Outdoor Fan Motor
Field Installed need to use wire to connections.
Reversing valve is energized in the Heating mode.
For the Heat Pump Select Jumper setting, please refer to ICM325HN Application Guide.
Connect the ground wire:Low Ambient Control Box to Outdoor Unit Control Box.
Outdoor Fan Motor Outdoor Fan Motor
- Remove the fan black wire from the Deferost Control Board.
- Connect the white wire of ICM325-HN to CN8.
- Cut the black terminal of the Outdoor Fan Motor.
Defrost
Control Board
3
Mounting control assembly
Heat Pump
Select Jumper
Default Position
ICM325-HN
White
Insulation sheath
Black Insulation sheath
Outdoor Unit
Control Box
Low Ambient
Control Box
STEP 12- Mount electric control box assembly to unit and fasten it with
original screws.
Figure 12
STEP 9- Fasten the wires with the strap and screws provided.
STEP 11- Cover and fasten the lid with two screws provided.
STEP 10- Connect the ground wire:Low Ambient Control Box
to Outdoor Unit Control Box.
Figure 11
Figure 9Figure 8
Outdoor Fan Motor
- Connect the Outdoor Fan Motor black wire with the grey wire
of the ICM325-HN Module with the terminal.
Manufacturerreserves the right to change, at any time, specifications and designs without notice and without obligations.
4
Mounting control assembly
Mounting electrical box
Figure 10
Outdoor Unit
Control Box
Low Ambient Control Box
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