Carrier WeatherMaster 50HC14 Installation Instructions Manual page 17

1. Remove the unit front panel (see Fig. 2).
2. Remove three hex screws on the NFD enclosure - two on
the face of the cover and one on the bottom.
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 the tip of the shaft to the top surface of the
pointer to be 3.75-in. to 3.88-in. (95 mm to 99 mm) for
80A and 100A NFD and 3.43-in. to 3.56-in. (87 mm to
90 mm) for 200A NFD.
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 two screws
and lock washers supplied.
11. Engaging the shaft into the handle socket, re-install three
hex screws on the NFD enclosure.
12. Re-install the unit front panel.
Fig. 28 — Handle and Shaft Assembly for NFD
Fig. 29 — Location of HACR Enclosure
To field-install the HACR shaft and handle:
1. Remove the unit front panel (see Fig. 2).
2. Remove three hex screws on the HACR enclosure - two
on the face of the cover and one on bottom.
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 is 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 two screws
and lock washers supplied.
10. Engaging the shaft into the handle socket, re-install three
hex screws on the HACR enclosure.
11. Re-install the unit front panel.
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