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WARNING
FIRE HAZARD
Failure to follow this warning could result in personal
injury, death, or property damage.
Do not connect aluminum wire between disconnect switch
and air conditioning unit. Use only copper wire. (See
Fig. 25.)
ELECTRIC
DISCONNECT
SWITCH
WIRE ONLY
Fig. 25 — Disconnect Switch and Unit
UNITS WITH FACTORY-INSTALLED NON-FUSED
DISCONNECT OR HACR — The factory-installed option
non-fused disconnect (NFD) or HACR switch is located in a
weatherproof enclosure located under the main control box.
The manual switch handle and shaft are shipped in the discon-
nect or HACR enclosure. Assemble the shaft and handle to the
switch at this point. Discard the factory test leads (see Fig. 24).
Connect field power supply conductors to LINE side terminals
when the switch enclosure cover is removed to attach the han-
dle.
Fig. 26 — Location of Non-Fused Disconnect
Enclosure
To field install the NFD shaft and handle:
1. Remove the unit front panel (see Fig. 2 or Fig. 3).
2. Remove (3) hex screws on the NFD enclosure - (2) on the
face of the cover and (1) on the left side cover. See
Fig. 27.
3. Remove the front cover of the NFD enclosure.
COPPER
ALUMINUM
WIRE
4. Make sure the NFD shipped from the factory is at OFF
position (the arrow on the black handle knob is at OFF).
5. Insert the shaft with the cross pin on the top of the shaft in
the horizontal position.
6. Measure from the tip of the shaft to the top surface of the
black pointer; the measurement should be 3.75 to 3.88 in.
(95 to 99 mm).
7. Tighten the locking screw to secure the shaft to the NFD.
8. Turn the handle to the OFF position with red arrow point-
ing at OFF.
9. Install the handle on to the painted cover horizontally
with the red arrow pointing to the left.
10. Secure the handle to the painted cover with (2) screws
and lock washers supplied.
11. Engaging the shaft into the handle socket, re-install (3)
hex screws on the NFD enclosure.
12. Re-install the unit front panel.
Fig. 27 — Handle and Shaft Assembly for NFD
Fig. 28 — Location of HACR Circuit Breaker
To field install the HACR circuit breaker shaft and handle:
1. Remove the unit front panel (see Fig. 2 or Fig. 3).
2. Remove (3) hex screws on the HACR enclosure - (2) on
the face of the cover and (1) on the left side cover. See
Fig. 29.
3. Remove the front cover of the HACR enclosure.
18
Enclosure
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