GE RAK148H2 Owner’s Manual & Installation Instructions
Digital
OWNER’S MANUAL &
INSTALLATION INSTRUCTIONS
RAK148H2
SAFETY INFORMATION ....................2
OVERVIEW ........................................3
INSTALLATION ................................ 4
WIRING DIAGRAMS ..........................8
CONFIGURATION MODE .................10
OPERATING FUNCTIONS ............... 12
TESTING THERMOSTAT .................. 13
TROUBLESHOOTING ....................... 15
WARRANTY ..................................... 16
THERMOSTAT
LIAF271 49-7757-1 01-20 GEA
IMPORTANT SAFETY INFORMATION
READ ALL INSTRUCTIONS BEFORE USING
WARNING
FIRE AND SHOCK HAZARD
• Always turn off power at the main power supply
before installing, cleaning or removing the
thermostat. Failure to do so could result in
electrical shock hazard.
• Do not use on voltages over 30 VAC. Higher
voltages will damage the thermostat and could cause
shock or fire hazard.
NOTICE
• All wiring must conform to local and national
electrical and building codes.
• Use this thermostat only as described in this manual.
Specifications
Electrical rating: • 24 VAC (18–30 VAC)
• 1 amp maximum per terminal
• 4 amp maximum total load
Operating temperature range: 40°F–99°F (4°C–37°C)
Temperature set range: 60°F–85°F (15°C–29°C)
Accuracy: ± 1°F (± 0.5°C)
System configurations:
• Factory Setting: 2-stage heat (heat pump/resistance
heat), 1-stage cool, 2-speed fan
• Alternate Setting: 1-stage heat (resistance heat),
1-stage cool, 2-speed fan
Terminations: R, C, W, Y, GH, GL, B (RAK148H2)
Wiring:
2
Maximum wiring length is 66ft (20 meters) for
AWG18
Maximum wiring length is 60ft (18 meters) for
AWG20
INTRODUCTION OVERVIEW
Auto
Cool
Off
Heat
On
Low
High
COOL
OFF
HEAT
RESET
RIGHT
LEFT
AUTOONON
HIGH
LOW
THERMOSTAT CONTROLS
Display Up/Down Buttons
Low
High
Cool
Function Switch
Heat
Auto
Off
Fan Auto/On Switch
On
Fan Speed Switch
THERMOSTAT BASE LAYOUT
Display
Up/Down Buttons
Wiring
Channel
Mounting
Hole
Mounting
Hole
Configuration
Buttons
LEFT
RIGHT
COOL
Function
Switch
RESET
OFF
B GH GL Y W C
HEAT
AUTO
Fan Auto/On
Switch
R
LOW
HIGH
Fan Speed
High/Low
3
INSTALLATION INSTRUCTIONS
WARNING
ELECTRICAL SHOCK HAZARD—Turn off
power by unplugging the unit or by removing
the fuse or switching the appropriate circuit
breaker to the OFF position before removing
the existing thermostat. Failure to do so could
result in risk of electric shock.
PACKAGE CONTENTS/TOOLS
REQUIRED
Package includes: Thermostat base, thermostat cover,
wiring labels, screws and wall anchors.
Tools needed: 'ULOOZLWKƎELWKDPPHUVFUHZGULYHU
and putty.
4
INSTALLATION INSTRUCTIONS
TO REMOVE EXISTING THERMOSTAT
1. Turn off power to heating and cooling system by
removing the fuse or switching off the appropriate
circuit breaker.
2. Remove cover of old thermostat. This should
expose the wires.
3. Label the existing wires with the enclosed wire
labels before removing wires.
4. After labeling wires, remove wires from wire
terminals.
5. Remove existing thermostat base from wall.
6. Refer to the following section for instructions on
how to install this thermostat.
5
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