Honeywell T7350 specifications - page 9

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT
963-2605—5
Table 5. T7350D Subbase for Three-stage Heat,
Three-stage Cool Systems.
aFactory jumper between RC and RH for systems with one
transformer.
bFor changeover functional details, see Operation section.
Table 6. T7350H Subbase for Three-stage Heat, Three-
stage Cool 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).
cFor changeover functional details, see Operation section.
Termi nal
Description
Conventional
Heat Pump
RCaRCa24 VAC Cooling transformer.
RHaRHa24 VAC Heating transformer.
X X Common.
aux aux Auxiliary relay.
W1 O/B Conventional: Stage 1 heating relay.
Heat Pump: Changeover relay for heating (B) or
cooling (O)b.
W2 W1 Conventional: Stage 2 heating relay.
Heat Pump: 1st Stage auxiliary heat relay.
Y1 Y1 Conventional: Stage 1 cooling relay.
Heat Pump: Stage 1 compressor relay.
Y2 Y2 Conventional: Stage 2 cooling relay.
Heat Pump: Stage 2 compressor relay.
AS AS Discharge Air Sensor connection (1).
AS AS Discharge Air Sensor connection (2).
OS OS Outdoor Air Sensor connection (1).
OS OS Outdoor Air Sensor connection (2).
GGFan relay.
T3 T3 T7770 Remote Sensor connection (3).
T4 T4 T7770 Remote Sensor connection (4).
T5 T5 T7770 Remote Sensor connection (5).
T6 T6 T7770 Remote Sensor connection (6).
T7 T7 T7770 Remote Sensor connection (7).
W3 W2 Conventional: Stage 3 heat or stage 4 cool relay.
Heat Pump: 2nd Stage auxiliary heat relay.
Y3 — Conventional: Stage 3 cooling relay.
HS H S Humidity Sensor connection (signal: 0-10 Vdc).
HC HC Humidity Sensor connection (common).
HP H P Humidity Sensor connection (power).
M M Motion Sensor connection (1).
M M Motion Sensor connection (2).
Terminal
Description
Conventional
Heat Pump
RCaRCa24 VAC Cooling transformer.
RHaRHa24 VAC Heating transformer.
XXCommon.
auxbauxbAuxiliary relay connection (normally open).
auxbauxbAuxiliary relay connection (common).
W1 O/B Conventional: Stage 1 heating relay.
Heat Pump: Changeover relay for heating (B) or
cooling (O)c.
W2 W1 Conventional: Stage 2 heating relay.
Heat Pump: 1st Stage auxiliary heat relay.
Y1 Y1 Conventional: Stage 1 cooling relay.
Heat Pump: Stage 1 compressor relay.
Y2 Y2 Conventional: Stage 2 cooling relay.
Heat Pump: Stage 2 compressor relay.
AS AS Discharge Air Sensor connection (1).
AS AS Discharge Air Sensor connection (2).
OS OS Outdoor Air Sensor connection (1).
OS OS Outdoor Air Sensor connection (2).
G G Fan relay.
T3 T3 T7770 Remote Sensor connection (3).
T4 T4 T7770 Remote Sensor connection (4).
T5 T5 T7770 Remote Sensor connection (5).
T6 T6 T7770 Remote Sensor connection (6).
T7 T7 T7770 Remote Sensor connection (7).
W3 W2 Conventional: Stage 3 heat or stage 4 cool relay.
Heat Pump: 2nd Stage auxiliary heat relay.
Y3 — Conventional: Stage 3 cooling relay.
HS HS Humidity Sensor connection (signal: 0-10 Vdc).
HC HC Humidity Sensor connection (common).
HP HP Humidity Sensor connection (power).
M M Motion Sensor connection (1).
M M Motion Sensor connection (2).
ebus ebus LonWorks Bus (1).
ebus ebus LonWorks Bus (2).