10
Outdoor Unit Wiring
Connections
1. Mount outdoor power disconnect.
2. Run power wiring from main box to disconnect per NEC
and local codes. Set outdoor unit in place.
3. Remove field wiring cover from unit by removing screws.
4. Connect conduit to the conduit panel. (See Fig. 16)
5. Properly connect both power supply and control lines to ter-
minal block per the connection diagram.
6. Ground unit in accordance with NEC and local electrical
codes.
7. Use lock nuts to secure conduit.
8. Reinstall field wiring cover.
lock nut
Finish
conduit
Field Wiring Cover
Conduit Panel
A12539
Fig. 16 --- Field Wiring
CAUTION
!
EQUIPMENT DAMAGE HAZARD
Failure to follow this caution may result in equipment
damage or improper operation.
S Be sure to comply with local codes while running wire
from indoor unit to outdoor unit.
S Every wire must be connected firmly. Loose wiring may
cause terminal to overheat or result in unit malfunction.
A fire hazard may also exist. Therefore, be sure all wiring
is tightly connected.
S No wire should be allowed to touch refrigerant tubing,
compressor or any moving parts.
S Disconnecting means must be provided and shall be
located within sight and readily accessible from the air
conditioner.
S Connecting cable with conduit shall be routed through
hole in the conduit panel.
INSTALL ALL POWER, INTERCONNECTING
WIRING, AND PIPING TO INDOOR UNIT.
1. Run interconnecting piping and wiring from outdoor unit to
indoor unit.
2. Pass interconnecting cable through hole in wall (outside to
inside).
3. Lift indoor unit into position and route piping and drain
through hole in wall (inside to outside). Fit interconnecting
wiring into back side of indoor unit.
4. Hang indoor unit on upper hooks of wall mounting plate (as
shown in Fig. 17 and Fig. 20)
A08283
Fig. 17 --- Hanging Indoor Unit
5. Open front cover of indoor unit and remove field wiring ter-
minal block cover (see Fig. 18)
Field Wiring
Cover
Interconnecting
Cable
A08279
Fig. 18 --- Field Wiring Cover
6. Pull interconnecting wire up from back of indoor unit and
position in close to the terminal block on indoor unit.
7. Push bottom of indoor unit onto mounting plate to com-
plete wall mount.
8. Connect wiring from outdoor unit per connection diagram
(see Fig. 26).
NOTE: Polarity of power wires must match original
connection on outdoor unit.
9. Replace field wiring cover and close front cover of indoor
unit.
10. Connect refrigerant piping and drain line outside of indoor
unit. Refer to Fig. 14 for proper installation of flare connec-
tions. Complete pipe insulation at flare connection then
fasten piping and wiring to the wall as required. Com-
pletely seal the hole in the wall.
Knockout 3 (030, 036 Only)
Knockout 2
Knockout 1
A12540
Fig. 19 --- Remove Knockouts
Mounting
plate
Fixing hook
Mounting
plate
A12408
Fig. 20 --- Hang Indoor Unit
To Next Page
Loading...
Need help?
General
