TEC2004-4 and TEC2004-4+PIR Multi-Stage Economizer Wireless Thermostat Controller
Installation Instructions
4
Wiring
When replacing an existing thermostat controller,
remove and label the wires to identify the terminal
functions. When replacing a thermostat controller of the
same model, simply remove the old screw terminal
blocks and reinsert them onto the PCB of the
replacement thermostat controller.
To wire the thermostat controller:
1.
Strip the ends of each wire 6 mm (1/4 in.) and
connect them to the appropriate screw terminals as
indicated in Figure 5.
Note:
If multiple wires are inserted into the screw
terminals, be sure to properly twist the wires
together prior to inserting them into the screw
terminals.
2.
Carefully push any excess wire back into the wall.
Note:
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 cover to the mounting base (top side
first).
5.
Use a Phillips-head screwdriver to reinstall the
security screw on the bottom of the cover.
See Figure 5 for information on wiring the thermostat
controllers.
!
CAUTION: Risk of Electric Shock.
Disconnect power supply before making
electrical connections to avoid electric
shock.
!
CAUTION: Risk of Property Damage.
Do not apply power to the system before
checking all wiring connections. Short
circuited or improperly connected wires
may result in permanent damage to the
equipment.
IMPORTANT:
Make all wiring connections in
accordance with local, national, and regional
regulations. Do not exceed the electrical ratings of
the thermostat controller.
24 VAC
Thermostat Power
Y2
Y1
RC
C
If using the same power source
for the thermostat and heating loads,
install a jumper across RC and RH.
Heat 1 Heat 2
RH
W1
W2
Aux
Aux
Cool 1
Energizes on a Call for First-Stage Cooling
Energizes on a Call for Second-Stage Cooling
Energizes Fan in Accordance with the Selected Fan Mode
24 VAC from Equipment Transformer
24 VAC (Common) from Equipment Transformer
24 VAC for Heating Stages
Energizes on a Call for First-Stage Heating
Energizes on a Call for Second-Stage Heating
Auxiliary Output
Configurable Digital Input 1
Configurable Digital Input 2
Remote Room Sensor
Sensor Common
Auxiliary/Outdoor Air Sensor
Remote Monitoring Supply Temperature Sensor
0 to 10 VDC Economizer Actuator Output
Function
Y1
Y2
G
RC
C
RH
W1
W2
Aux
DI1
DI2
RS
Scom
OS
MS
EC
Terminal
DI2
Scom
RS
DI1
Aux Contact (High Side Common)
• Lighting
• On/Off Actuation
• Exhaust Fan
OS
Auxiliary/
Outdoor
Air Sensor
EC
0 t
o
10
VD
C
24 V
A
C
C
o
mmo
n
Remote
Monitoring
Supply
Temperature
Sensor
Cool 2
F
IG
:w
rng
_20
04-
4
Y2
Y1
G
RC
C
RH
W1 W2
DI1 DI2 RS
Scom
Five-Pole
Left Top Connector
Three-Pole
Right Top
Connector
Eight-Pole Bottom Connector
OS
MS
Aux
EC
G
Fan
Remote
Room
Sensor
Figure 5: Wiring the TEC2004-4 or TEC2004-4+PIR Thermostat Controller
