Units With Factory- - Installed Non- - Fused Disconnect; Non- - Fused Disconnect - Bryant 551J*07A/G Series Installation Instructions Manual

Units Without Disconnect Option
C
13 11
Disconnect
L1 L2
208/230-3-60
460-3-60
575-3-60
Units With Disconnect Option
L3 L3
Optional
Disconnect
L2 L2
Switch
L1 L1
Ground
(GR)
Disconnect factory test leads; discard.
Units With Electric Heat Option with Single Point Box
and Without Disconnect Option
Single Point Box
Terminal Block
L1
L2
L3
Ground (GR)
Equip GR
— OR —
Single Point Box
Fuse/Terminal Block
L1 Fuse
L2 Fuse
L3 Fuse
Ground (GR)
Equip GR
Fig. 16 - - Power Wiring Connections
IFC
Equip
13
GR Lug
per
NEC
L3 Ground
(GR)
T3 BLU
T2 YEL
Factory
Wiring
T1 BLK
Equip GR Lug
BLK
YEL
Factory
Wiring
BLU
Lug
BLK
YEL
Factory
Wiring
BLU
Lug
C12763
Refer to Fig. 23 for power transformer connections and the
discussion on connecting the convenience outlet on page 17.
Field power wires are connected to the unit at line- - side
pressure lugs on compressor contactor C and indoor fan
contactor IFC (see wiring diagram label for control box
component arrangement),
non- - fused disconnect switch. Max wire size is #4 AWG
(copper only) per pole on contactors and #2ga AWG (copper
only) per pole on optional non- - fused disconnect. See Fig. 16
and the unit label diagram for field power wiring
connections.
NOTE: TEST LEADS - - Unit may be equipped with short
leads (pigtails) on the field line connection points on
contactor C or optional disconnect switch. These leads are
for factory run- - test purposes only; remove and discard
before connecting field power wires to unit connection
points. Make field power connections directly to line
connection pressure lugs only.
WARNING
!
FIRE HAZARD
Failure to follow this warning could result in
personal injury, death, or property damage.
Do not connect aluminum wire between disconnect
switch and 551J unit. Use only copper wire. (See Fig. 17.)
ELECTRIC
DISCONNECT
SWITCH
Fig. 17 - - Disconnect Switch and Unit
Units With Factory- - Installed Non- - Fused Disconnect —
The factory- - installed option non- - fused disconnect (NFD)
switch is located in a weatherproof enclosure located
under the main control box (see Fig. 18). The manual
switch handle and shaft are shipped in the disconnect
enclosure. Assemble the shaft and handle to the switch at
this point. Discard the factory test leads (see Fig. 16).
Connect field power supply conductors to LINE side
terminals when the switch enclosure cover is removed to
attach the handle.
15
at factory- - installed
COPPER
WIRE ONLY
ALUMINUM
WIRE
option
A93033