Units With Factory-Installed Non-Fused Disconnect Or Hacr; To Field-Install The Nfd Shaft And Handle; To Field-Install The Hacr Shaft And Handle - Carrier WeatherExpert 48LC 04 Series Installation Instructions Manual

WARNING
FIRE HAZARD
Failure to follow this warning could result in personal inju-
ry, death, or property damage.
Do not connect aluminum wire between disconnect switch
and unit. Use only copper wire.
ELECTRIC
DISCONNECT
SWITCH
Fig. 34 — Disconnect Switch and Unit
UNITS WITH FACTORY-INSTALLED NON-FUSED DIS-
CONNECT OR HACR
The factory-installed optional 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 is shipped in the disconnect or HACR enclosure. Assem-
ble the shaft and handle to the switch at this point.

TO FIELD-INSTALL THE NFD SHAFT AND HANDLE:

1. Remove the control box access panel. The NFD enclosure
is located below the control box (see Fig. 35)
2. Remove (3) cap head screws that secure the NFD enclo-
sure front cover – (2) on the face of the cover and (1) on
the left side cover. See Fig. 36.
3. Remove the front cover of the NFD enclosure.
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-in. to
3.88-in. (95 mm 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) cap
head screws on the front cover.
Re-install the unit front panel.
COPPER
WIRE ONLY
ALUMINUM
WIRE
Fig. 35 — Location of Non-Fused Disconnect
Fig. 36 — Handle and Shaft Assembly for NFD

TO FIELD-INSTALL THE HACR SHAFT AND HANDLE:

1. Remove the control box access panel. The HACR enclo-
sure is located below the control box (see Fig. 37).
2. Remove (3) cap head screws that secure the HACR enclo-
sure – (2) on the face of the cover and (1) on the left side
cover. See Fig. 38.
3. Remove the front cover of the HACR enclosure.
4. Make sure the HACR shipped from the factory is at OFF
position (the white arrow pointing at OFF).
5. Insert the shaft all the way with the cross pin on the top of
the shaft in the horizontal position.
6. Tighten the locking screw to secure the shaft to the HACR.
7. Turn the handle to the OFF position with red arrow point-
ing at OFF.
8. Install the handle on to the painted cover horizontally with
the red arrow pointing to the left.
9. Secure the handle to the painted cover with (2) screws and
lock washers supplied.
10. Engaging the shaft into the handle socket, re-install (3) cap
head screws on the front cover.
Re-install the unit front panel.
23
Enclosure