Vanguard Heating SDVBN(A), SDVBP(A) WALL MOUNTED THERMOSTAT - GWMT1, WALL MOUNT SWITCH GWMS2

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105499
OWNER’S MANUAL
STOVE AND
DIRECT-VENT
BURNER SYSTEM
INSTALLATION
Continued
INSTALLING OPTIONAL
WALL MOUNTED
THERMOSTAT - GWMT1
WARNING: Installation must
be done by a qualified installer
familiar with low voltage wiring
procedures.
WARNING: Do not connect
this thermostat to any electrical
source! Electrical shock and/or
fire hazard will occur.
1. Open lower door panel. The valve is
attached to the underside of the burner
system assembly.
2. Disconnect from the valve the wires
running from the ON/OFF switch.
WARNING: Do not connect
this thermostat to a power
source. Electrical shock and/or
fire hazard will occur.
3. Connect one terminal of the wire for the
wall thermostat to the THTP terminal
on the valve. Connect remaining wire
terminal to the TH terminal on the valve.
Make sure that the wire terminals are in
the positions on the unit as pictured in
Figure 44. If wires are not connected as
shown the thermostat will not work.
4. Route the wire to a convenient location
to mount your thermostat (no outside
wall). IMPORTANT: The wire must
not exceed 25 feet in length.
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 sun-
light, fireplace, or heat and air condi-
tioning ducts.
Figure 45 - Back View of Thermostat Base
Feed wires through
rectangular slots
Figure 46 - Thermostat Base Terminal
“W” and “R”
Figure 44 - Control Valve Terminals
W
R
Terminal “W”
Terminal “R”
Continued
To Control
Switch or
Optional
Accessory
5. Gently remove the cover of the ther-
mostat from the base. Grasp the sides
of the cover firmly and pull to separate
from the base.
6. Feed the electrical wires through the
rectangular slots (from the back) on
each side of the base (see Figure 45).
INSTALLING OPTIONAL
WALL MOUNT SWITCH
GWMS2
1. Connect one terminal of 25 ft. wire for
the wall switch to the TPTH terminal
on the valve. Connect remaining wire
terminal to the TH terminal on the valve.
Make sure that the wire terminals are in
the positions on the unit as pictured in
Figure 44. If wires are not connected as
shown the switch will not work.
2. Route the 25 ft. wire through open-
ings provided on the sides of the
burner system to a convenient location
to mount your switch.
3. Connect one bare wire end to each of
the terminals of the GWMS2 wall
switch.
4. Install the wall switch and cover in the
wall.
7. Connect one bare wire end to each ter-
minal (“W” and “R”) of the thermostat
base (see Figure 46).
8. Install the base to the wall with screws
provided with thermostat.
9. Move the temperature adjustment back
and forth to insure the bi-metal is free
from restrictions.
10. Replace the cover onto the base. (Upon
installation, the thermostat must be al-
lowed to stabilize at room temperature
for a minimum of 30 minutes for
proper operation.)
11. Set the temperature adjustment to the
desired setting. This thermostat has been
electronically calibrated at the factory.
No adjustment or leveling is necessary.