Honeywell T7350 User Manual
T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT
63-2605—5
10
Table 7. T7350H Subbase for Modulating Systems with
Network Communications.
a
Factory jumper between RC and RH for systems with one
transformer.
b
Floating auxiliary contact (not connected to transformer hot
or common).
Table 8. T7350M Subbase for Modulating Systems.
a
Factory jumper between RC and RH for systems with one
transformer.
Mounting Thermostat on Subbase (Fig. 8)
With the subbase installed, mount the thermostat:
1. Engage the tabs at the top of the thermostat and
subbase.
2. Swing the thermostat down.
3. Press the lower edge of the case to latch.
NOTE: To remove the thermostat from the wall, first
pull out at the bottom of the thermostat; then
remove the top.
Terminal
Description
Conve
n
tional
Hea
t Pump
RC
a
—
24 VAC Cooling transformer.
RH
a
—
24 VAC Heating transformer.
X
—
Common.
aux
b
aux
b
Auxiliary relay connection (normally open).
aux
b
aux
b
Auxiliary relay connection (common).
W1
—
Stage 1 heating relay.
Y1
—
Stage 1 cooling relay.
MX
—
Modulating common.
MH
—
Modulating heating signal (4-20 mA).
MC
—
Modulating cooling signal (4-20 mA).
AS
—
Discharge Air Sensor connection (1).
AS
—
Discharge Air Sensor connection (2).
OS
—
Outdoor Air Sensor connection (1).
OS
—
Outdoor Air Sensor connection (2).
G
—
Fan relay.
T3
—
T7770 Remote Sensor connection (3).
T4
—
T7770 Remote Sensor connection (4).
T5
—
T7770 Remote Sensor connection (5).
T6
—
T7770 Remote Sensor connection (6).
T7
—
T7770 Remote Sensor connection (7).
HS
—
Humidity Sensor connection (signal: 0-10 Vdc).
HC
—
Humidity Sensor connection (common).
HP
—
Humidity Sensor connection (power).
M
—
Motion Sensor connection (1).
M
—
Motion Sensor connection (2).
ebus ebus LonWorks Bus (1).
ebus ebus LonWorks Bus (2).
ebus ebus LonWorks Bus (2).
Terminal
Description
C
o
n
ven
tio
n
a
l
Heat Pum
p
RC
a
— 24 VAC Cooling transformer.
RH
a
— 24 VAC Heating transformer.
X
— Common.
aux
— Auxiliary relay or 2nd stage of heating or cooling.
W1
— Stage 1 heating relay.
Y1
— Stage 1 cooling relay.
MX
— Modulating common.
MH
— Modulating heating signal (4-20 mA).
MC
— Modulating cooling signal (4-20 mA).
AS
— Discharge Air Sensor connection (1).
AS
— Discharge Air Sensor connection (2).
OS
— Outdoor Air Sensor connection (1).
OS
— Outdoor Air Sensor connection (2).
G
— Fan relay.
T3
— T7770 Remote Sensor connection (3).
T4
— T7770 Remote Sensor connection (4).
T5
— T7770 Remote Sensor connection (5).
T6
— T7770 Remote Sensor connection (6).
T7
— T7770 Remote Sensor connection (7).
HS
— Humidity Sensor connection (signal: 0-10 Vdc).
HC
— Humidity Sensor connection (common).
HP
— Humidity Sensor connection (power).
M
— Motion Sensor connection (1).
M
— Motion Sensor connection (2).