Table of Contents
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Installation and User Guide
Contents
1.
Safety ................................................................................ 2
2.
Product Specifications ................................................... 3
3.
General Information ........................................................ 3
3.1
Overview .............................................................. 3
3.2
Contents ............................................................... 3
4.
Installation ....................................................................... 3
4.1
Location ............................................................... 3
Figure 1: Placement
4.2
Mounting/Installation .......................................... 4
4.3
Battery Replacement........................................... 4
4.4
Wiring Diagrams .................................................. 5
Cooling with GAT2, GAM2 & TEM3, 4
5.
5.1
Thermostat Operation ......................................... 9
5.2
Operating Features ........................................... 10
6.
Troubleshooting ............................................................ 11
1.
Safety
WARNING
!
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS
CAREFULLY BEFORE INSTALLING OR OPERATING THIS
CONTROL COULD CAUSE PERSONAL INJURY AND/OR
PROPERTY DAMAGE.
This information is intended for use by individuals possessing
adequate backgrounds of electrical, mechanical, HVAC and
experience. Any attempt to repair a HVAC system may result
in personal injury and/or property damage. The manufacturer
or seller cannot be responsible for the interpretation of this
information, nor can it assume any liability in connection with its
use.
LIVE ELECTRICAL COMPONENTS!
During installation, testing, servicing, and troubleshooting of
this product, it may be necessary to work with live electrical
components. Failure to follow all electrical safety precautions
when exposed to live electrical components could result in death
or serious injury.
Do not use on circuits exceeding specified voltage. Higher
voltage will damage control and could cause shock or fire
hazard.
Do not short out terminals on gas valve or primary control
to test. Short or incorrect wiring will burn out thermostat
and could cause personal injury and/or property damage.
2
5
5
6
6
7
7
8
9
9
To prevent electrical shock and/or equipment damage, disconnect
electric power to system at main fuse or circuit breaker box until
To prevent compressor and/or property damage, if the outdoor
temperature is below 55°F, DO NOT operate the cooling system. Do
not allow the compressor to run unless the compressor oil heaters
have been operational for six hours and the system has not been
operational for at least five minutes.
ATTENTION: MERCURY NOTICE
This product does not contain mercury. However, this product may
replace a product that contains mercury.
Mercury and products containing mercury must not be discarded in
household trash. Do not touch any spilled mercury. Wearing non-
absorbent gloves, clean up any spilled mercury and place in a sealed
container. For proper disposal of a product containing mercury or a
sealed container of spilled mercury, place it in a suitable shipping
container. Refer to www.thermostat-recycle.org for location to send the
product containing mercury.
Pub. No. 18HD54D1-1B-EN 03/2020
CAUTION
!
installation is complete.
Part No.
37-7770002
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