62-0135 8
Q7300A,C,D,G SERIES 2000 COMMERCIAL THERMOSTAT SUBBASES

Home and Building Control

Honeywell Limited-Honeywell Limitée

155 Gordon Baker Road

North York, Ontario

M2H 2C9

62-0135 J.H. Rev. 12-96

Fig. 17. Typical hookup of T7300D,F/Q7300G in three-stage heat and three-stage cool conventional system.

Mounting Thermostat on Subbase

Mount the thermostat on the subbase after the subbase is

installed.

Engage tabs at the top of the thermostat and

subbase. Fig. 18.

Press lower edge of case to latch.

NOTE: To remove the thermostat from the wall,

first pull out at the bottom of the thermo-

stat; then remove the top.

IMPORTANT

Refer to the thermostat installation instructions for

Installer Setup, Settings, Installer Self-Test and

Troubleshooting information.

Fig. 18 Mounting thermostat on subbase.

M4824A
B.
PRESS LOWER EDGE OF CASE TO LATCH.
A.
ENGAGE TABS AT TOP OF THERMOSTAT AND SUBBASE OR WALLPLATE.

Home and Building Control

Honeywell Inc.

Honeywell Plaza

P.O. Box 524

Minneapolis, MN 55408-0524

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.
CONNECT GND TO EARTH GROUND.
INSTALL FIELD JUMPER BETWEEN X4 AND X TO POWER LEDS.
USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS.
1
1
14
6
M4949A
2
2
3
4
5
6
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 C3C5
CA1 T
CA2
CA4 CA3CA5
T
T
Y2
COMPRESSOR
CONTACTOR 2
HEATING
TRANSFORMER
COOLING
TRANSFORMER
W3Y3
HEAT
RELAY 2
COMPRESSOR
CONTACTOR 3
A2A3A1X3 X1X4
EQUIPMENT
MONITOR 2
EQUIPMENT
MONITOR 1
ECONOMIZER
AS AS
DISCHARGE
AIR
SENSOR
HEAT
RELAY 1
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