M2323B
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
JUMPER 1-2 FOR AUTO FAN IN HEATING AND COOLING (ELECTRIC HEAT AND SINGLE STAGE HEAT PUMP SYSTEMS).
JUMPER 1-Y FOR AUTO FAN IN COOLING ONLY.
JUMPER W-Y FOR SINGLE-STAGE HEAT PUMP APPLICATIONS.
CHANGEOVER
RELAY (HEAT)
HEAT RELAY
SYSTEM
SWITCH
HEAT
OFF
COOL
FAN
SWITCH
AUTO
ON
H1
TEMP. FALL
C1
ANTICIPATOR
FAN RELAY
HEAT
OFF
COOL
C1
H1
ANTICIPATOR
W
B
L1
(HOT)
L2
1
1
Y
3
2
COMPRESSOR
RELAY
O
2
G
R
1
2
CHANGEOVER
RELAY (COOL)
3
4
4

Fig. 4—Internal schematic and typical hookup for T834C1541 in gas- or oil-fired, or central electric heat system.

Fig. 5—Internal schematic and typical hookup for T834C2267 in gas- or oil-fired, single-stage heat pump or

central electric heat system.

M2690
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
IN ELECTRIC HEAT OR SINGLE-STAGE HEAT PUMP APPLICATION, JUMPER 1 AND 2 FOR AUTO FAN IN HEATING AND COOLING.
HEAT RELAY
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
W
L1
(HOT)
L2
1
1
1
2
2
2
369-0434—5