22
THERMOSTAT TO TERMINAL CONTROL BOX — 18
gage, 5-conductor, shielded, stranded wire, color coded (RED,
WHITE, BLUE, YELLOW, GREEN), plenum rated if re-
quired, long enough to run from thermostat to damper actuator
to the control box.
Wiring Connections
To wire the thermostat/controller, perform the following:
1. Connect the communication bus and damper actuator
wiring to the terminal board of the thermostat. See Fig. 29
and 30.
2. Push the wires back into the wall.
3. Align the terminal board with the right track in the back
plate housing. See Fig. 31. The ribbon strip side of the
terminal block should be away from the wall. Push the
terminal block into the track until about
1
/
2
in. is left
protruding.
4. Align the ribbon cable from the thermostat/controller cir-
cuit board with the ribbon connector on the terminal
board and push gently to connect.
5. Push the terminal board fully into backplate until the latch
clicks into place.
6. Place the foam backing on the circuit board. Slide the cir-
cuit board under the back plate securing bars.
DO NOT
CREASE RIBBON CABLE.
7. Align thermostat board with alignment pin. Gently pull
down on the thermostat latch and press firmly until the
circuit board snaps into place.
8. If optional locking thermostat cover is purchased, insert
locking clip on the inside of the thermostat cover. Push
firmly into place.
9. Insert tabs on thermostat cover into top slots on the back-
plate. Press firmly on the bottom of the thermostat cover
to snap cover into lace.
NOTE: If the optional locking thermostat cover was in-
stalled, the key must be inserted into the locking device to
remove front cover.
Electric shock can cause injury or death. Ensure power to
the HVAC unit has been disconnected before wiring.
ACTUATOR
COVER
COVER
SCREW
(HIDDEN)
GROMMET
WIRING
HARNESSES
MOUNTING
BRACKET
COVER
SCREW
KMC
3 PIN TEMPERATURE
SENSOR CONNECTOR
5 PIN T-STAT
CONNECTOR
THRU HOLE
FOR TEMP.
SENSOR
(2) 3 PIN POWER
CONNECTOR
8 PIN RELAY
CONNECTOR
ACTUATOR
SHIPPED AT
CLOSED
POSITON
10 PIN ANALOG
CONNECTION
(2) 5/16-18
SET SCREWS
COVER REMOVED
WITH COVER
Fig. 28 — High Torque Actuator
1 3/4”
1 3/4”
Fig. 29 — Mounting Hole Dimensions
