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T7200D,E, T7300D,E,F AND Q7300 SERIES 2000 PROGRAMMABLE COMMERCIAL THERMOSTATS AND SUBBASES
63-4355—430
Fig. 22. Typical hookup of T7300D,F/Q7300A2008 in one-stage heat
and one-stage cool conventional system with two transformers.
Fig. 23. Typical hookup of T7300D,F/Q7300A2016 in two-stage heat
and two-stage cool conventional system with two transformers.
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
JUMPER RC TERMINAL TO RH TERMINAL WHEN INSTALLED ON A SYSTEM WITH ONE TRANSFORMER.
CONNECT GND TO EARTH GROUND.
INSTALL FIELD JUMPER BETWEEN X4 AND X TO POWER LEDS FROM SYSTEM TRANSFORMER.
1
1
4
3
4
1
3
M4939B
2
2
L1
(HOT)
L2
FAN
RELAY
Y1 G X
SUBBASE
RC
HEAT
RELAY
RH
C1 T
T7147 REMOTE COMFORT ADJUST MODULE
GND
W1
C2
L1
(HOT)
L2
COMPRESSOR
CONTACTOR
C4 C3C5
CA1
T
CA2
CA4 CA3CA5
T
T
HEATING
TRANSFORMER
COOLING
TRANSFORMER
X3 X1X4
EQUIPMENT
MONITOR 2
EQUIPMENT
MONITOR 1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
JUMPER RC TERMINAL TO RH TERMINAL WHEN INSTALLED ON A
SYSTEM WITH ONE TRANSFORMER.
USE A1 AND A2 WHEN THE CONTACTS SHOULD BE NORMALLY
CLOSED IN OCCUPIED MODE. USE A2 AND A3 WHEN THE
CONTACTS SHOULD BE NORMALLY OPEN IN OCCUPIED MODE.
1
1
1
M4945B
2
2
3
4
5
6
7
7
3
5
6
4
W2
L1
(HOT)
L2
FAN
RELAY
Y1GX
SUBBASE
RC
HEAT
RELAY 1
RH
C1 T
T7147 REMOTE COMFORT ADJUST MODULE
GND
W1
C2
L1
(HOT)
L2
COMPRESSOR
CONTACTOR 1
C4
C3
C5
CA1
T
CA2
CA4
CA3
CA5
T
T
Y2
COMPRESSOR
CONTACTOR 2
HEATING
TRANSFORMER
COOLING
TRANSFORMER
A2 A3A1X3 X1X4
EQUIPMENT
MONITOR 2
EQUIPMENT
MONITOR 1
ECONOMIZER
AS AS
DISCHARGE
AIR
SENSOR
HEAT
RELAY 2
CONNECT GND TO EARTH GROUND.
INSTALL FIELD JUMPER BETWEEN X4 AND X TO POWER LEDS
FROM SYSTEM TRANSFORMER.
USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS.
DISCHARGE AIR SENSOR IS ONLY COMPATIBLE WITH T7300F
THERMOSTAT.