TEC2102-3 N2 Networked Heat Pump Thermostat Installation Instructions
4
Figure 5: Wiring the TEC2102-3 Thermostat
Energizes First-Stage Compressor on a Call for
Heating or Cooling
Energizes Second-Stage Compressor on a Call for
Heating or Cooling
Energizes Fan in Accordance with the Selected Fan Mode
24 VAC from Equipment Transformer
24 VAC (Common) from Equipment Transformer
24 VAC for Auxiliary Heat
Energizes Auxiliary Heat
Energizes Reversing Valve (Configurable to
Energize Valve on a Call for Heating or a Call for Cooling)
Auxiliary Output
Configurable Digital Input 1
Configurable Digital Input 2
Remote Room Temperature Sensor
Sensor Common
Outdoor Air Sensor
N2 Bus
Mixed Air or Discharge Air Sensor
Function
Y1
Y2
G
RC
C
RH
W1
O/B
Aux
DI1
DI2
RS
Scom
OS
+, -, REF
MS
Terminal
DI1
DI2
If using the same power source
for the thermostat and heating loads,
install a jumper across RC and RH.
Scom
OS
Outdoor
Air Sensor
24 VAC
Thermostat Power
Y2
Y1
RC
C
Aux
Heat
RH
W1
Aux
Aux
Comp 1
Comp 2
O/B
Rev
Valve
REF
Supervisory
Controller
FI
G
:wrn
g
Y2
Y1
G
RC
C
RH
W1 O/B
DI1 DI2
RS
Scom
Five-Pole
Left Top Connector
Three-Pole
Right Top
Connector
Seven-Pole Bottom Connector
REF
-
+
OS
Aux
G
Fan
RS
Independent Contact
• Lighting
• On/Off Actuation
• Exhaust Fan
Remote
Room
Sensor
+
-
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
MS
MS
Mixed Air
or Discharge
Air Sensor
