Carrier WeatherMaster 48HC14 Installation Instructions Manual page 19

Single package rooftop gas heat/electric cooling unit with puron (r-410a) refrigerant
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Units Without Disconnect or HACR Option
C
11
13
Disconnect
L1
L2
208/230-3-60
460-3-60
575-3-60
Units With Disconnect or HACR Option
L1
2
Optional
Disconnect
L2
4
Switch
L3
6
Ground
(GR)
Disconnect factory test leads; discard.
Fig. 32 — Power Wiring Connections
UNITS WITH FACTORY-INSTALLED NON-FUSED
DISCONNECT OR HACR CIRCUIT BREAKER — The
factory-installed option non-fused disconnect switch (NFD) or
HACR circuit breaker is located in a weatherproof enclosure
located under the main control box. The manual switch handle
is shipped in the disconnect or HACR circuit breaker enclo-
sure. Assemble the shaft and handle to the switch or HACR cir-
cuit breaker at this point. Discard the factory test leads (see
Fig. 32). The factory disconnect is either an 80A or 100A de-
pending on the unit voltage, indoor motor and options.
IFC
Equip
13
GR Lug
per
NEC
L3
Ground
(GR)
1
3
Factory
Wiring
5
Equip GR Lug
Fig. 33 — Location of Non-Fused Disconnect
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 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 point-
er to be 3.75 to 3.88 in. (95 to 99 mm) for 80A and 100A
NFD and 3.43 to 3.56 in. (87 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 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.
19
Enclosure

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