Johnson Controls TEC22x1-3 LONWORKS Installation Instructions Manual page 3

Note: For more details on wiring the
L W network, refer to the
ON ORKS
L W Network Layout Technical Bulletin
ON ORKS
(LIT-1162150).
2. Carefully push any excess wire back into the wall.
Seal the hole in the wall with fireproof material to
prevent drafts from affecting the ambient
temperature readings.
3. Reinsert the screw terminal blocks onto the PCB.
4. Reattach the L W
ON ORKS
the LON terminal block. See Figure 5.
Note: If inserting multiple wires into the terminals,
be sure to properly twist wires together prior to
inserting them into the terminal connectors.
5. Reattach the thermostat cover to the mounting
base (top side first).
6. Use a Phillips-head screwdriver to reinstall the
security screw on the bottom of the thermostat
cover.
Four-Pole
Left Top Connector
Y1
L W
ON ORKS
Bus Terminals
2
Seven-Pole Bottom Connector
Aux
10
Figure 5: Terminal Blocks
Y1 G RC
C
Fan
Cool 1
24 VAC
Thermostat Power
TEC22x1-3 L W ® Networked Single Stage Thermostats Installation Instructions
ON ORKS
communication wires to
Two-Pole
Right Top
Connector
G RH W1
RC C
4
3 5 6 7
DI1 DI2 RS OS MS
Scom
11 12 13 14 15 16
Aux
RH W1
Heat 1
Aux
If using the same power source
for the thermostat and heating loads,
install a jumper across RC and RH.
Figure 6: Wiring the TEC22x1-3 Thermostat
Table 1: Terminal Identification (See Figure 5.)
Number Label
2 Y1
3 G
4 RC
5 C
6 RH
7 W1
10 Aux
11 DI1
12 DI2
13 RS
14 Scom
15 OS
16 MS
Blank Blank
Isolated Contact
• Lighting
• On/Off Actuation
• Exhaust Fan
DI1 DI2 RS
Scom
Remote
Room
Sensor
Function
Energizes on a call for first-stage
cooling.
Energizes fan in accordance with
selected fan mode.
24 VAC from equipment transformer
24 VAC (Common) from equipment
transformer
24 VAC for heating stage
Energizes on a call for first-stage
heating.
Auxiliary output
Configurable Digital Input 1
Configurable Digital Input 2
Remote Room Air Temperature
Sensor
Sensor Common
Auxiliary/Outdoor Air Sensor
Remote Monitoring Supply
Temperature Sensor
L W Bus
ON ORKS
L W
ON
Bus Terminals
OS MS
Supervisory
Controller
Remote
Auxiliary/ Monitoring
Outdoor
Supply
Air Sensor Temperature
Sensor
ORKS
3