Mounting Thermostat On Subbase - Honeywell Q7300A Installation Instructions Manual

Q7300A,C,D,G SERIES 2000 COMMERCIAL THERMOSTAT SUBBASES
AS AS RC Y1
2
COMPRESSOR
CONTACTOR 1
DISCHARGE
AIR
SENSOR
FAN
RELAY
L1
(HOT)
L2
1
COOLING
TRANSFORMER
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2
JUMPER RC TERMINAL TO RH TERMINAL WHEN INSTALLED ON A SYSTEM WITH ONE TRANSFORMER.
3
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.
4
CONNECT GND TO EARTH GROUND.
5
INSTALL FIELD JUMPER BETWEEN X4 AND X TO POWER LEDS.
6
USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS.
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.
Home and Building Control
Honeywell Inc.
Honeywell Plaza
P.O. Box 524
Minneapolis, MN 55408-0524
62-0135
62-0135 J.H. Rev. 12-96
5
G Y2 Y3 X W3
HEAT
COMPRESSOR
RELAY 2
CONTACTOR 2
COMPRESSOR
CONTACTOR 3
HEAT
RELAY 3
Home and Building Control
Honeywell Limited-Honeywell Limitée
155 Gordon Baker Road
North York, Ontario
M2H 2C9
SUBBASE
W2 W1 RH X4 X3 X1
ECONOMIZER
EQUIPMENT
MONITOR 2
EQUIPMENT
MONITOR 1
HEAT
RELAY 1
A.
ENGAGE TABS AT TOP OF THERMOSTAT AND SUBBASE OR WALLPLATE.
Fig. 18 Mounting thermostat on subbase.
8
3
C5 C4 C3
A1 A2 A3
6
CA5 CA4 CA3
T7147 REMOTE COMFORT ADJUST MODULE
1
L1
(HOT)
L2
HEATING
TRANSFORMER
B.
PRESS LOWER EDGE OF CASE TO LATCH.
www.honeywell.com/building/components
C2 C1 T T
CA2 CA1
T T
GND
4
M4949A
M4824A