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62-0131—2
5
Q7300L SERIES 2000 COMMERCIAL THERMOSTAT SUBBASE
Typical Wiring Hookups
Fig. 9. Q7300L hookup for two-stage heating with three-position
ML7984 Valve Actuator/V5013 Valve and one-stage cooling.
Fig. 10. Q7300L hookup for single-stage conventional heating systems with single-stage cooling.
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 C3C5
TCA1 TCA2
CA4 CA3CA5
A2
COOLING
RELAY
XP2P1 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
BM
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
REFER TO T7147 INSTRUCTIONS FOR TERMINAL CONNECTIONS. T7047 HAS T-T TERMINALS ONLY.
CONNECT GND TO EARTH GROUND.
JUMPER GH AND GL FOR SINGLE SPEED FAN.
1
M4941C
T
A1 FC A2
SUBBASE
R X
C1 T
T7147 REMOTE COMFORT ADJUST MODULE
RM
C2
L1
(HOT)
L2
1
2
3
4
4
C4 C3C5
TCA1 TCA2
CA4 CA3CA5
GND
GL
COOLING
RELAY
YP2
HIGH-SPEED
FAN RELAY
P1 GH
LOW
SPEED
FAN
RELAY
DAMPER
CONTROL
RELAY
PUMP
INTERLOCK
RELAY
2
3