Intertec Data Systems EFD145DLFR000 Series Installation Operation & Maintenance page 12

Installer's Guide
ELECTRICAL CONNECTIONS TO A COMMUNICATING SYSTEMS AIR HANDLER
s s
!
HAZARDOUS VOLTAGE! DISCONNECT ALL ELECTRIC
P O W E R, I N C L U D I N G R E M O T E D I S C O N N E C T S
BEFORE SERVICING. FOLLOW PROPER LOCKOUT/
TAGOUT PROCEDURES TO ENSURE THE POWER
CAN NOT BE INADVERTENTLY ENERGIZED. FAILURE
TO DISCONNECT POWER BEFORE SERVICING
COULD RESULT IN DEATH OR SERIOUS INJURY.
4TEE3C
Indoor Unit
24V Terminal
Strip Detail
BK R
O G Y1 Y2
D B W1 W2 W3
Black wire to
chassis
ground
12
IN COMMUNICATING MODE
WARNING
Control box panel cover
(Shown removed)
BK R
O G Y1 Y2
D B W1 W2 W3
BLACK For use with Whole House
Air Cleaner
GRD
Power / Control
Wiring Cable and Plug
BLUE
RED
BROWN /
Dataline
WHITE
GREEN
Unused
Unused
Numbers in [brackets] are for 50 Hz international systems.
PROCEDURE:
1) Remove electrical power going into the air handler.
2) On the communicating systems air handler, remove
the blower access panel.
3) Connect Red stripped wire to "R" terminal on the air
handler terminal strip.
4) Connect Blue stripped wire to "B" terminal on the air
handler terminal strip.
5) Connect the brown wire from the air cleaner harness
to the "D" terminal on the Communicating Systems
Air Handler.
6) Connect the Black wire from the air cleaner wire
harness to earth ground by attaching the wire to a
grounded screw that is connected to the metal air
handler chassis or control plate assembly.
7) The Green and White wires on the air cleaner wiring
harness are unused in this application and should be
insulated separately.
8) Replace the blower access panel.
9) Reconnect electrical power to the air handler.
10) Check air cleaner and air handler operation.
A/TAM8
Y2
Y1
O
R
B
D
Air Cleaner
Plug
For use with Whole House
BLACK
Air Cleaner
GRD
Power / Control
Wiring Cable and Plug
BLUE
RED
BROWN /
Dataline
WHITE
GREEN
Unused
Unused
Pub. No. 18-HE122D1-1-EN
Air Cleaner
Plug