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T810C,D; TS810B HEATING OR COOLING THERMOSTATS
MOUNTING CLIPS
(2) (FOR COVER)
SNAP SWITCH
CONTACTS
BIMETAL ELEMENT
BEHIND HEAT
ANTICIPATOR SCALE
ADJUSTABLE HEAT
ANTICIPATOR
SCALE
ADJUSTABLE
HEAT
ANTICIPATOR
INDICATOR
LEVER
Fig. 1. Internal view of T810D with adjustable heat
anticipator (horizontal).
MOUNTING HOLES (THERMOSTAT
TO WALL OR OUTLET BOX)
MOUNTING HOLES (THERMOSTAT
TO WALL OR OUTLET BOX)
Fig. 2. Internal view of T810D with adjustable heat
anticipator (vertical).
69-0219-9
MOUNTING
POSTS (4)
(FOR COVER)
MOUNTING HOLES
(THERMOSTAT
TO WALL OR
TEMPERATURE
OUTLET BOX)
SETTING LEVER
ADJUSTABLE HEAT ANTICIPATOR
INDICATOR LEVER
ADJUSTABLE HEAT
ANTICIPATOR SCALE
BIMETAL ELEMENT BEHIND
HEAT ANTICIPATOR SCALE
SNAP SWITCH
CONTACTS
MOUNTING CLIPS
(2) (FOR COVER)
MOUNTING POSTS (4)
(FOR COVER)
TEMPERATURE
SETTING LEVER
M11700
Wiring and Mounting
All wiring must comply with local codes and ordinances.
For 750 mV installations, use Table 1 to determine the
maximum wiring run length.
Table 1. Maximum Wiring Length.
Wire
Size
No. 18
No. 16
No. 14
1. In replacement applications, inspect the old wires
M8502A
for frayed or cracked insulation. Replace any wires
in poor condition. In new installations, run two
wires to the chosen location.
2. Grasp the thermostat cover at the sides with one
hand. Pull outward on the left edge of the cover
until it snaps free of the thermostat base. Remove
and discard the shipping tab that protects the
switch contacts during shipping.
3. Connect the thermostat wires to the appropriate
terminals on the back of the thermostat. See Fig. 3
and 4 for typical hookup diagrams. Push any
excess wire back through the hole and plug any
opening to prevent drafts that could affect thermo-
stat performance.
4. Adjust the heat anticipator (T810D models only) to
match the current draw of the primary control in the
system. See Heat Anticipator Setting (T810D) sec-
tion.
5. Fasten the thermostat to the wall or outlet box with
screws through the mounting holes at each side of
the device. See Fig. 1 or 2. Level the thermostat for
best appearance.
6. Replace the thermostat cover.
T810
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
Fig. 3. T810D in typical gas heating system.
2
Maximum Length
2-Wire Cable
ft
m
30
9.0
50
15.0
80
24.5
COMBINATION FAN
AND LIMIT CONTROL
LIMIT
TH
TR
TH
TR
TRANSFORMER
GAS VALVE
FAN
MOTOR
Maximum
Combined Length
2-Single Wires
ft
m
60
18.0
100
30.0
160
49.0
FAN
L1
(HOT)
1
L2
M3607
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