T7200D,E, T7300D,E,F AND Q7300 SERIES 2000 PROGRAMMABLE COMMERCIAL THERMOSTATS AND SUBBASES
63-4355—1
36
Fig. 24. Typical hookup of T7300D,F/Q7300A2016 in two-stage heat and
two-stage cool conventional system with two transformers.
Fig. 25. Typical hookup of T7300E,F/Q7300C2004 in two-stage heat and one-stage cool heat pump system.
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
Y1
G
X
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 A3
A1
X3
X1
X4
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.
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS.
USE A1 AND A2 WHEN THE CONTACT SHOULD BE NORMALLY CLOSED IN OCCUPIED MODE.
CONNECT GND TO EARTH GROUND.
INSTALL FIELD JUMPER BETWEEN X4 AND X TO POWER LEDS FROM SYSTEM TRANSFORMER.
DISCHARGE AIR SENSOR IS ONLY COMPATIBLE WITH T7300F THERMOSTAT.
1
1
4
2
M4946B
2
3
4
5
6
6
5
3
W2
L1
(HOT)
L2
Y1
O
G
SUBBASE
X
EM. HT.
RELAY
R
C1
T
T7147 REMOTE COMFORT ADJUST MODULE
GND
B
C2
COMPRESSOR
CONTACTOR 1
C4
C3
C5
CA1
T
CA2
CA4
CA3
CA5
T
T
TRANSFORMER
E
HEAT
RELAY 2
HEAT
CHANGEOVER
VALVE
X3
X1
X4
EQUIPMENT
MONITOR 2
EQUIPMENT
MONITOR 1
FAN
RELAY
COOL
CHANGEOVER
VALVE
A2
A1
AS
AS
DISCHARGE
AIR
SENSOR
ECONOMIZER
