Bryant 355CAV User Manual download pdf (Page 26)

Table 4 – Electrical Data

UNIT SIZE

V O LT S ---

H E R T Z ---

PHASE

OPERATING VOLTAGE

RANGE

MAXIMUM

UNIT

AMPS

MINIMUM

WIRE SIZE

MAXIMUM

WIRE

LENGTH

FT (M)}

MAXIMUM

FUSE OR CKT

BKR

AMPS**

Maximum* Minimum*

060---14/042060 1 1 5 --- 6 0 --- 1 127 104 8.96 14 30 (9.1) 15

080---14/042080 1 1 5 --- 6 0 --- 1 127 104 8.96 14 30 (9.1) 15

080---20/060080 1 1 5 --- 6 0 --- 1 127 104 14.06 12 31 (9.4) 20

100---20/060100 1 1 5 --- 6 0 --- 1 127 104 14.06 12 31 (9.4) 20

120---20/060120 1 1 5 --- 6 0 --- 1 127 104 14.06 12 31 (9.4) 20

* Permissible limits of voltage range at which unit will operate satisfactorily.

{ Un it ampacity = 125 percent of largest operating component’s fu l l l oad

amps plus 100 percent of all other potential operating components’ (EAC,

humidifier , etc.) full load amps.

} Length shown is as measured 1 way along wire path between unit and

service panel for maximum 2 percent voltage drop.

** Time---delay type is recommended.

ELECTRICAL SHOCK AND FIRE HAZARD

Failure to follow this warning could result in electrical

shock, fire, or death.

The cabinet MUST have an uninterrupted or unbroken

ground according to NEC ANSI/NFPA 70--2008 and

Canadian Electrical Code CSA C22.1 or local codes to

minimize personal injury if an electrical fault should occur.

This may consist of electrical wire or conduit approved for

electrical ground when installed in accordance with existing

electrical codes. Do not use gas piping as an electrical

ground.

WARNING

COPPER

WIRE ONLY

ELECTRIC

DISCONNECT

SWITCH

ALUMINUM

WIRE

A93033

Fig. 30 -- Disconnect Switch and Furnace

Install power entry hole filler plugs (factory--supplied in loose parts

bag) in unused power entry holes. (See Fig. 31.)

FAC TORY

INSTALLED

LOCATION

UNUSED 7/8-IN. (22 mm)

DIAMETER POWER

ENTRY HOLES

POWER ENTRY HOLE

FILLER PLUG (FACTORY-

SUPPLIED LOOSE PARTS BAG)

A05113

Fig. 31 -- Factory Installed J--Box Location

J--Box Relocation

1. Remove two screws holding auxiliary J--box. (See Fig. 32.)

2. Rotate J--box 180_ and attach box to left side, using holes

provided.

FAC TORY

INSTALLED

LOCATION

ALTERNATE

FIELD

LOCATION

POWER ENTRY HOLE

FILLER PLUG (FACTORY-

SUPPLIED LOOSE PARTS BAG)

UNUSED 7/8-IN. DIAMETER

POWER ENTRY HOLES

UNUSED 7/8-IN. DIAMETER

POWER ENTRY HOLES

POWER ENTRY HOLE

FILLER PLUG (FACTORY-

SUPPLIED LOOSE PARTS BAG)

FAC TORY

INSTALLED

LOCATION

ALTERNATE

FIELD

LOCATION

POWER ENTRY HOLE

FILLER PLUG (FACTORY-

SUPPLIED LOOSE PARTS BAG)

UNUSED 7/8-IN. (22 mm) DIAMETER

POWER ENTRY HOLES

UNUSED 7/8-IN. (22 mm) DIAMETER

POWER ENTRY HOLES

POWER ENTRY HOLE

FILLER PLUG (FACTORY-

SUPPLIED LOOSE PARTS BAG)

A05058

Fig. 32 -- J--Box Relocation

3. Install power entry hole filler plugs (factory--supplied loose

parts bag) in unused power entry holes. (See Fig. 31.)

FIRE OR ELECTRICAL SHOCK HAZARD

Failure to follow this warning could result in personal

injury, death, or property damage.

If manual disconnect switch is to be mounted on furnace,

select a location where a drill or fastener will not contact

electrical or gas components.

WARNING

NOTE: If modulating dampers are used, blower motor

automatically compensates for modulating dampers. If manual

disconnect switch is to be mounted on furnace, select a location

where a drill or fastener will not contact electrical or gas

components.

24--v wiring

Make field 24--v thermostat connections at 24--v terminal block on

furnace control. Y wire from thermostat MUST be connected to

Y/Y2 terminal on control, as shown in Fig. 19, for proper cooling

operation. The 24--v terminal block is marked for easy connection

of field wiring. (See Fig. 33.) The 24--v circuit contains a 3--amp,

automotive--type fuse located on furnace control. (See Fig. 33.)

355CAV

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Bryant 355CAV User Manual Page 26

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