T7200D,E, T7300D,E,F AND Q7300 SERIES 2000 PROGRAMMABLE COMMERCIAL THERMOSTATS AND SUBBASES
63-4355—2 36
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
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.
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.
1
1
3
M4948B
2
3
4
5
6
6
2
5
4
HEAT
RELAY 3
W2
L1
(HOT)
L2
FAN
RELAY
Y1 G
SUBBASE
X R
C1 T
T7147 REMOTE COMFORT ADJUST MODULE
GND
W1
C2
COMPRESSOR
CONTACTOR 1
C4 C3C5
CA1
T
CA2
CA4 CA3CA5
T
T
Y2
COMPRESSOR
CONTACTOR 2
TRANSFORMER
W3E
HEAT
RELAY 2
EM. HT.
RELAY
A2 A3A1X3 X1X4
EQUIPMENT
MONITOR 2
EQUIPMENT
MONITOR 1
ECONOMIZER
AS AS
DISCHARGE
AIR
SENSOR
HEAT
RELAY 1
Fig. 26. Typical hookup of T7300E,F/Q7300D2002 in three-stage heat and two-stage cool heat pump system.
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
EM. MODE IS ON CONTINUOUSLY IN EMERGENCY HEAT MODE.
24 VAC ARE PRESENT DURING EMERGENCY HEAT MODE.
EM. HT. RELAY CYCLES IN EMERGENCY HEAT MODE.
1
2
3
4
5
6
4
6
3
2
1
M4940B
HEAT
RELAY 3
W2
L1
(HOT)
L2
YO G
SUBBASE
X
EM. HT.
RELAY
RBX4
COMPRESSOR
CONTACTOR 1
Y2
COMPRESSOR
CONTACTOR 2
TRANSFORMER
W3E
HEAT
RELAY 2
HEAT
CHANGEOVER
VALVE
X1 X2L
EQUIPMENT
MONITOR 2
EQUIPMENT
MONITOR 1
FAN
RELAY
COOL
CHANGEOVER
VALVE
EM.
MODE
INSTALL FIELD JUMPER BETWEEN X4 AND X POWER LEDS
FROM SYSTEM TRANSFORMER.
CONNECT GND TO EARTH GROUND.
JUMPER W2 TO Y2 FOR SECOND COMPRESSOR. W3 IS AUXILIARY HEAT.
5
C1 T
T7147 REMOTE COMFORT
ADJUST MODULE
GND
C2C4 C3C5
CA1
T
CA2
CA4 CA3CA5
T
T
Fig. 25. Typical hookup of T7300E,F/Q7300C2053 in three-stage heat and two-stage cool heat pump system.
This thermostat and subbase can replace the T8611M.
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