Honeywell T7200D Product Data page 35

T7200D,E, T7300D,E,F AND Q7300 SERIES 2000 PROGRAMMABLE COMMERCIAL THERMOSTATS AND SUBBASES
Fig. 22. Typical hookup of T7300D,F/Q7300A2040 in two-stage heat and
1
L1
(HOT)
L2
COOLING
TRANSFORMER
1
2
Fig. 23. Typical hookup of T7300D,F/Q7300A2057 in two-stage heat and
SUBBASE
RC Y1 G
2
COMPRESSOR
CONTACTOR
FAN
RELAY
L1
(HOT)
L2
1
COOLING
TRANSFORMER
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
2 JUMPER RC TERMINAL TO RH TERMINAL WHEN INSTALLED
ON A SYSTEM WITH ONE TRANSFORMER.
one-stage cool conventional system with two transformers.
RC Y1 G Y2
2
COMPRESSOR COMPRESSOR
CONTACTOR 1 CONTACTOR 2
COOL
FAN
CHANGEOVER
RELAY
VALVE
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
JUMPER RC TERMINAL TO RH TERMINAL WHEN INSTALLED ON A SYSTEM WITH ONE TRANSFORMER.
two-stage cool conventional system with two transformers.
X W2 W1 RH
HEAT
RELAY 2
HEAT
RELAY 1
1
HEATING
TRANSFORMER
M10230
SUBBASE
O X B W2 W1
HEAT
RELAY 2
HEAT
HEAT
CHANGEOVER
RELAY 1
VALVE
35
L1
(HOT)
L2
RH
1
L1
(HOT)
L2
HEATING
TRANSFORMER
M10309
63-4355—1