T7200D,E, T7300D,E,F AND Q7300 SERIES 2000 PROGRAMMABLE COMMERCIAL THERMOSTATS AND SUBBASES
63-4355—1
37
Fig. 26. Typical hookup of T7300E,F/Q7300C2012 in three-stage heat and two-stage cool heat pump system.
Fig. 27. 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.
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
Y
O
G
SUBBASE
X
EM. HT.
RELAY
R
B
X4
COMPRESSOR
CONTACTOR 1
Y2
COMPRESSOR
CONTACTOR 2
TRANSFORMER
W3
E
HEAT
RELAY 2
HEAT
CHANGEOVER
VALVE
X1 X2
L
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
C2
C4
C3
C5
CA1
T
CA2
CA4 CA3
CA5
T
T
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION INSTRUCTIONS.
USE A1 AND A2 WHEN THE CONTACTS ARE NORMALLY CLOSE IN OCCUPIED MODE.
CONNECT GND TO EARTH GROUND.
INSTALL FIELD JUMPER BETWEEN X4 AND X POWER LEDS FROM SYSTEM TRANSFORMER.
DISCHARGE AIR SENSOR IS ONLY COMPATIBLE WITH T7300F THERMOSTAT.
1
1
4
M4947B
2
3
4
5
6
6
5
2
3
W1
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
AUX.
HEAT
HEAT
CHANGEOVER
VALVE
X3
X1
X4
EQUIPMENT
MONITOR 2
EQUIPMENT
MONITOR 1
FAN
RELAY
COOL
CHANGEOVER
VALVE
A2
A1
AS
AS
DISCHARGE
AIR
SENSOR
Y2
COMPRESSOR
CONTACTOR 2
ECONOMIZER
