Units Without Factory-Installed Non-Fused Disconnect Or Hacr; All Units - Carrier WeatherMaster 50GC 04-06 Series Installation Instructions Manual

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. 19 — NFD Enclosure Location
Fig. 20 — NFD Handle and Shaft Assembly
Field-Install the HACR Shaft and Handle
1. Remove the Control Box access panel. The HACR enclosure
is located below the Control Box (see Fig. 21).
2. Remove (3) cap head screws that secure the HACR enclosure
— (2) on the face of the cover and (1) on the left side cover.
See Fig. 22.
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. See Fig. 22.
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.
Fig. 21 — HACR Enclosure Location
Fig. 22 — HACR Handle and Shaft Assembly
UNITS WITHOUT FACTORY-INSTALLED NON-FUSED
DISCONNECT OR HACR
When installing units, provide a disconnect switch per NEC (Na-
tional Electrical Code) of adequate size. Disconnect sizing data
is provided on the unit informative plate. Locate on unit cabinet
or within sight of the unit per national or local codes. Do not
cover unit informative plate if mounting the disconnect on the
unit cabinet.

ALL UNITS

All field wiring must comply with NEC and all local codes. Size
wire based on MCA (Minimum Circuit Amps) on the unit infor-
mative plate. See Fig. 18 and the unit label diagram for power wir-
ing connections to the unit power terminal blocks and equipment
ground. Maximum wire size is #2ga AWG (copper only) per pole
on contactors, #2ga AWG (copper only) per pole on optional dis-
connect or HACR, and 4/0 AWG (copper only) per pole on
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