69-1628
3
T834C,T8034C HEATING-COOLING TRIPLE FUEL THERMOSTATS
2
G
Y
W
1
R
JUMPER
M11341
JUMPER
R
1
W
Y
G
2
1
1
2
3
3
2
1
3
2
IN ELECTRIC HEAT AND HEAT PUMP APPLICATIONS, JUMPER TERMINALS
1 AND 2 FOR AUTOMATIC FAN CONTROL IN HEATING AND COOLING.
IN GAS-AND OIL-FIRED APPLICATIONS, JUMPER TERMINALS 1 AND Y
FOR AUTOMATIC FAN CONTROL IN COOLING.
JUMPER W-Y FOR SINGLE STAGE HEAT PUMP APPLICATIONS.
T834C T8034C
Fig. 2. Jumpering T834C and T8034C terminals for fan control.
Fig. 3. Internal schematic and typical wiring diagram for gas- or oil-fired, or single-stage heat pump systems.
H1
TEMPERATURE
FALL
C1
L1
(HOT)
L2
1
1
2
2
POWER SUPPLY. PROVIDE DISCONNECT
MEANS AND OVERLOAD PROTECTION
AS REQUIRED.
JUMPER 1-Y FOR AUTO FAN IN COOLING ONLY.
HEAT RELAY
FAN RELAY
FAN SWITCH
ON
AUTO
COOL
OFF
HEAT
COOL
OFF
HEAT
SYSTEM
SWITCH
C1
ANTICIPATOR
H1
ANTICIPATOR
M11342
W
Y
B
O
2
G
1
R
CHANGEOVER
RELAY (HEAT)
CHANGEOVER
RELAY (COOL)
COMPRESSOR
RELAY
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