T834C, T8034C HEATING/COOLING THERMOSTATS
68-0075-2
6
Fig. 7. Internal schematic and typical hookup diagram for electric heat systems.
Fig. 8. Internal schematic and typical hookup diagram for single-stage heat pump systems.
M1038B
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
COMPRESSOR
CONTACTOR
SYSTEM
SWITCH
HEAT
OFF
COOL
FAN
SWITCH
AUTO
ON
H1
TEMP. FALL
C1
ANTICIPATOR
FAN RELAY
HEAT
OFF
COOL
C1
H1
ANTICIPATOR
G
R
Y
L1
(HOT)
L2
W
HEAT RELAY
1
1
H1
TEMP. FALL
C1
L1
(HOT)
L2
1
1
2
2
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
INSTALL JUMPER BETWEEN W AND Y TERMINALS
WHEN HEAT RELAY IS NOT USED.
HEAT RELAY
FAN RELAY
FAN SWITCH
ON
AUTO
COOL
OFF
HEAT
COOL
OFF
HEAT
SYSTEM
SWITCH
C1
ANTICIPATOR
H1
ANTICIPATOR
M1037C
W
O
B
Y
G
R
CHANGEOVER
RELAY (COOL)
CHANGEOVER
RELAY (HEAT)
COMPRESSOR
CONTACTOR
