Warning – Bryant 2-stage Deluxe Induced-Combustion 4-way Multipurpose 120 User Manual

Page 23

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6. Reinstall cover to J--Box. Do not pinch wires between

cover and bracket.

Electrical Box on Furnace Casing Side. See Fig. 26.

FIRE OR ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal

injury, death, or property damage.
If field--supplied manual disconnect switch is to be mounted

on furnace casing side, select a location where a drill or

fastener cannot damage electrical or gas components.

!

WARNING

A03221

Fig. 26 -- Field--Supplied Electrical Box on Furnace Casing

1. Select and remove a hole knockout in the casing where the

electrical box is to be installed.

NOTE: Check that duct on side of furnace will not interfere with
installed electrical box.

2. Remove the desired electrical box hole knockout and

position the hole in the electrical box over the hole in the
furnace casing.

3. Fasten the electrical box to casing by driving two

fieldsupplied screws from inside electrical box into casing
steel.

4. Remove and save two screws holding J--Box. (See Fig.

25.)

5. Pull furnace power wires out of 1/2--inch diameter hole in

J--Box. Do not loosen wires from strain--relief wire--tie on

outside of J--Box.

6. Route furnace power wires through holes in casing and

electrical box and into electrical box.

7. Pull field power wires into electrical box.
8. Remove cover from furnace J--Box.
9. Route field ground wire through holes in electrical box

and casing, and into furnace J--Box.

10. Reattach furnace J--Box to furnace casing with screws

removed in Step 4.

11. Secure field ground wire to J--Box green ground screw.
12. Complete electrical box wiring and installation. Connect

line voltage leads as shown in Fig. 24. Use best practices
(NEC in U.S. and CSA C22.1 in Canada) for wire

bushings, strain relief, etc.

13. Reinstall cover to J--Box. Do not pinch wires between

cover and bracket.

POWER CORD INSTALLATION IN FURNACE J--BOX
NOTE
: Power cords must be able to handle the electrical
requirements listed in Table 7. Refer to power cord
manufacturer’s listings.

1. Remove cover from J--Box.
2. Route listed power cord through 7/8--inch diameter hole in

J--Box.

3. Secure power cord to J--Box bracket with a strain relief

bushing or a connector approved for the type of cord used.

4. Secure field ground wire to green ground screw on J--Box

bracket.

5. Connect line voltage leads as shown in Fig. 24.
6. Reinstall cover to J--Box. Do not pinch wires between

cover and bracket.

BX. CABLE INSTALLATION IN FURNACE J--BOX

1. Remove cover from J--Box.
2. Route BX cable into 7/8--inch diameter hole in J--Box.
3. Secure BX cable to J--Box bracket with connectors

approved for the type of cable used.

4. Secure field ground wire to green ground screw on J--Box

bracket.

5. Connect line voltage leads as shown in Fig. 24.
6. Reinstall cover to J--Box. Do not pinch wires between

cover and bracket.

24--V WIRING
Make field 24--v connections at the 24--v terminal strip. (See Fig.

34.) Connect terminal Y/Y2 as shown in Fig. 27--33 for proper
cooling operation. Use only AWG No. 18, color--coded, copper

thermostat wire.
The 24--v circuit contains an automotive--type, 3--amp. fuse

located on the control. Any direct shorts during installation,

service, or maintenance could cause this fuse to blow. If fuse
replacement is required, use ONLY a 3--amp. fuse of identical

size.

312A

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