Units With Factory- - Installed; Non- - Fused Disconnect Or Hacr - Carrier WeatherExpert 48LC Installation Instructions Manual

Units With Factory- - Installed

Non- - Fused Disconnect 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. Assemble the shaft and handle to the switch at
this point. Discard the factory test leads (see Fig. 23).
Connect field power supply conductors to LINE side
terminals when the switch enclosure cover is removed to
attach the handle.
To field install the NFD shaft and handle:
1. Remove the unit front panel (see Fig. 2).
2. Remove (3) hex screws on the NFD enclosure - - (2) on
the face of the cover and (1) on the left side cover.
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 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
pointing 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. 32 - - Location of Non- - Fused Disconnect Enclosure
Fig. 33 - - Handle and Shaft Assembly for NFD
To field install the HACR shaft and handle:
1. Remove the unit front panel (see Fig. 2).
2. Remove (3) hex screws on the HACR enclosure - - (2)
on the face of the cover and (1) on the left side cover.
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
pointing 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) hex screws on the HACR enclosure.
11. Re- - install the unit front panel.
C12278
Fig. 34 - - Location of HACR Enclosure
25
C12279
C12280