Honeywell T7350 Mounting Thermostat on Subbase (Fig. 8)

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT
63-2605—5 10
Table 7. T7350H Subbase for Modulating Systems with
Network Communications.
aFactory jumper between RC and RH for systems with one
transformer.
bFloating auxiliary contact (not connected to transformer hot
or common).
Table 8. T7350M Subbase for Modulating Systems.
aFactory 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
Conventional
Heat Pump
RCa— 24 VAC Cooling transformer.
RHa— 24 VAC Heating transformer.
X—Common.
auxbauxbAuxiliary relay connection (normally open).
auxbauxbAuxiliary relay connection (common).
W1 — Stage 1 heating relay.
Y1 — Stage 1 cooling relay.
MX — Modulating common.
MH — Modulati ng heating signal (4-20 mA).
MC — Modulating cooli ng 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 Senso r connection (3).
T4 — T7770 Remote Senso r connection (4).
T5 — T7770 Remote Senso r connection (5).
T6 — T7770 Remote Senso r connection (6).
T7 — T7770 Remote Senso r connection (7).
HS — Humidity Sensor connection (signal: 0-10 Vdc).
HC — Humidity Sensor conn ection (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).
Terminal
Description
Conventional
Heat Pump
RCa— 24 VAC Cooling transformer.
RHa— 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).