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iNsTallaTioN
Continued
4. Gently remove cover of thermostat from
base. Grasp sides of cover firmly and pull
to separate from base.
5.
Feed electrical wires through rectangular
slots on each side of base (see Figure 25).
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 termi
-
nal (“W” and “R”) of the thermostat base
(see Figure 26).
Figure 25 - Back View of Thermostat Base
Feed wires through
rectangular slots
W
R
Figure 26 - Thermostat Base Terminals
“W” and “R”
Terminal “W”
Terminal “R”
Figure 24 - 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 20, page 16).
2. Connect one terminal of 25 ft. wire to the
“TH” terminal on the control valve. Con-
nect other terminal to the “THTP” terminal
on control valve. See Figure 24.
3. Route the 25 ft. wire to a convenient loca
-
tion 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.
IMPORTANT:
The wire may be shortened but
must not be lengthened.
4. Connect one bare wire end to each of the
terminals of the provided wall switch.
5. Install the wall switch and cover in the
wall.
7. Install base onto wall with provided
screws.
8. Move temperature adjustment back and
forth to insure the bimetal is free from
restrictions.
9. Replace cover onto base. (Upon installa-
tion, thermostat must be allowed to sta
-
bilize at room temperature for a minimum
of 30 minutes for proper operation).
10. Set temperature adjustment to desired
setting. This thermostat has been elec-
tronically calibrated at the factory. No
adjustment or leveling is necessary.