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111244-01E
20
INSTALLATION
Continued
2. Connect one terminal of 25 ft. wire to the
“TH” terminal on the control valve. Connect
the other terminal to the “THTP” terminal on
the control valve. See Figure 32.
3. Route the 25 ft. wire to a convenient location
to mount your thermostat (no outside wall).
IMPORTANT: The wire may be shortened
but must not be lengthened.
The thermostat should be mounted 54" above
the floor in a location where there is good
air circulation. Avoid heat sources such as
lamps, direct sunlight, fireplace, or heat and
air conditioning ducts.
4. Gently remove the cover of the thermostat
from the base. Grasp the sides of the cover
firmly and pull to separate from the base.
5.
Feed the electrical wires through the rectangular
slots on each side of the base (see Figure 33).
WARNING: Do not con-
nect the thermostat to a power
source. Electrical shock and/or
a fire hazard will occur.
6. Connect one bare wire end to each terminal
(“W” and “R”) of the thermostat base (see
Figure 34).
7. Install the base onto the wall with the provided
screws.
8. Move the temperature adjustment back and forth
to insure the bimetal is free from restrictions.
9. Replace the cover onto the base. (Upon in-
stallation, the thermostat must be allowed to
stabilize at room temperature for a minimum
of 30 minutes for proper operation).
10. Set the temperature adjustment to the desired
setting. This thermostat has been electroni
-
cally calibrated at the factory. No adjustment
or leveling is necessary.
Figure 33 - Back View of Thermostat Base
Feed wires through
rectangular slots
W
R
Figure 34 - Thermostat Base Terminals
“W” and “R”
Terminal “W”
Terminal “R”
Figure 32 - Connecting Wire Terminals
To Wall
Thermostat
or Switch
To Wall
Thermostat
or Switch
Control Valve
OPTIONAL WALL SWITCH - GWMS2
(Remote-Ready Models Only)
WARNING: Read and fol-
low installation instructions.
Installation should be done by
a qualified installer familiar with
low-voltage wiring procedures.
WARNING: Do not connect
this switch to any electrical
source! Electrical shock and/or
fire hazard will occur.
1. Remove jumper wire from control valve (see
Figure 27, page 19).
2. Connect one terminal of 25 ft. wire to the
“TH” terminal on the control valve. Connect
the other terminal to the “THTP” terminal on
the control valve. See Figure 32.
3.
Route the 25 ft. wire to a convenient location to
mount your wall switch (no outside walls).
WARNING: Do not connect
the switch to a power source.
Electrical shock and/or fire haz-
ard will occur.