Bryant 548J*17 D Series, Installation Instructions Manual

Page: 21 / 56

21
To field install the NFD shaft and handle:
1. Open the control box panel.
2. Make sure the NFD shipped from the factory is at
OFF position (the arrow on the black handle knob or
on the silver metal collar is at OFF).
3. Insert the shaft with the cross pin on the top of the
shaft in the horizontal position.
4. Measure the tip of the shaft to the outside surface of
the corner post to be 0.88”.
5. Tighten the locking screw to secure the shaft to the
NFD.
6. Turn the handle to OFF position with red arrow point-
ing at OFF.
7. Install the handle on to the corner post vertically with
the red arrow pointing up.
8. Secure the handle to the corner post with (2) screws
and lock washers supplied.
C12385
Fig. 22 -- Handle and Shaft Assembly for NFD
All Units --
All field wiring must comply with NEC and all local code
requirements.
Size wire based on MCA (Minimum Circuit Amps) on the
unit informative plate. See Fig. 23 for power wiring
connections to the unit power terminal block and
equipment ground.
11 12 13
L1 L2 L3
TB
208/230-3-60
460-3-60
575-3-60
Units Without Disconnect Option
Units With Disconnect Option
T1 T2 T3
L1 L2 L3
L1 L2 L3
Factory
Wiring
Disconnect
per
NEC
Optional
Disconnect
Switch
C09057
Fig. 23 -- Power Wiring Connections
Provide a ground--fault and short--circuit over--current
protection device (fuse or breaker) per NEC Article 440
(or local codes). Refer to unit informative data plate for
MOCP (Maximum Over--current Protection) device size.
UNIT DAMAGE HAZARD
Failure to follow this caution may result in equipment
damage.
Operation on improper line voltage or excessive phase
imbalance constitutes abuse and may cause damage to
electrical components. Such operation would invalidate
any applicable Bryant warranty.
CAUTION
!