T7200D,E, T7300D,E,F AND Q7300 SERIES 2000 PROGRAMMABLE COMMERCIAL THERMOSTATS AND SUBBASES
63-4355—1
39
Fig. 30. Typical hookup of T7300D,F/Q7300G2005 in three-stage heat and three-stage cool conventional system.
Fig. 31. T7300D,F/Q7300L2004 for two-stage heating with three-position ML7984 Valve Actuator and
V5013B Valve and one-stage cooling.
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 CONTACTS
SHOULD BE NORMALLY OPEN IN OCCUPIED MODE.
1
1
1
4
6
M4949B
2
2
3
4
5
6
7
7
3
5
HEAT
RELAY 3
W2
L1
(HOT)
L2
FAN
RELAY
Y1
G
X
SUBBASE
RC
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
W3
Y3
HEAT
RELAY 2
COMPRESSOR
CONTACTOR 3
A2 A3
A1
X3
X1
X4
EQUIPMENT
MONITOR 2
EQUIPMENT
MONITOR 1
ECONOMIZER
AS
AS
DISCHARGE
AIR
SENSOR
HEAT
RELAY 1
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.
GH
L1
(HOT)
L2
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
INDEPENDENT FAN TRANSFORMER IS OPTIONAL. JUMPER FC TO R
WHEN SINGLE TRANSFORMER IS USED.
REFER TO ML7984 INSTRUCTIONS FOR TERMINAL CONNECTIONS.
T7047 HAS T-T TERMINALS ONLY.
180
2W RESISTOR MUST BE INSTALLED AS SHOWN.
1
M4950B
T
A1
RM
Y
SUBBASE
1
R
FC
C1
T
T7147 REMOTE COMFORT ADJUST MODULE
GND
GL
C2
L1
(HOT)
L2
1
2
2
C4
C3
C5
T
CA1
T
CA2
CA4
CA3
CA5
A2
COOLING
RELAY
X
P2
P1
BM
LOW
SPEED
FAN
RELAY
DAMPER
CONTROL
RELAY
PUMP
INTERLOCK
RELAY
3
9
3
4
7
5
6
7
8
9
8
4
6
HIGH
SPEED
FAN
RELAY
ML7984
VALVE
ACTUATOR
R1
B3
W
T5
T6
5
TRANSFORMER
FAN
TRANSFORMER
AS
AS
DISCHARGE
AIR
SENSOR
CONNECT GND TO EARTH GROUND.
DISCHARGE AIR SENSOR IS ONLY COMPATIBLE WITH T7300F
THERMOSTAT.
JUMPER GH AND GL FOR SINGLE SPEED FAN.
SET THE DIP SWITCHES ON THE ML7984 TO MECHANICAL
SERIES 90 TO USE WITH Q7300L