INSTALLATION
Continued
OPTIONAL WALL MOUNTED THERMOSTAT - GWMT1
WARNING: Read and follow installation instructions. Instal- lation should be done by a quali- fied installer familiar with low- voltage wiring procedures.
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 switch on fireplace to Auto position.
11.Set the temperature adjustment to the desired setting. This thermostat has been electroni- cally calibrated at the factory. No adjustment or leveling is necessary.
WARNING: Do not connect this thermostat to any electrical source! Electrical shock and/or fire hazard will occur.
1. | Disconnect jumper wire from control valve |
| (see Figure 32). |
2. | Connect one terminal of 25 ft. wire to "TPTH" |
| terminal on control valve (see Figure 32). |
3. | Connect remaining wire terminal to the “TH” |
| terminal on the control valve. Make sure that |
Control
Valve
Jumper Wire
One terminal of 25 ft. wire
wire terminals are in the positions on your unit |
as pictured in Figure 32. |
4. 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 con- |
ditioning ducts. |
5. Gently remove the cover of the thermostat |
from the base. Grasp the sides of the cover |
firmly and pull to separate from the base. |
6. Feed the electrical wires through the rectangu- |
lar slots on each side of the base (see Figure 33). |
WARNING: Do not connect 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 pro- vided screws.
Figure 32 - Connecting Wire Terminals
Feed wires through rectangular slots
Figure 33 - Back View of Thermostat
Base
Terminal “W” 
W
Terminal “R” 
R
Figure 34 - Thermostat Base Terminals
“W” and “R”
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