Bryant 312AAV/JAV Electrical Data, BOX Relocation, Electrical Connection to J-BOX

Table 7 – Electrical Data

		VOLTS			OPERATING VOLTAGE		MAX		MAXIMUM	MAXIMUM	MINIMUM
FURNACE						RANGE		UNIT	WIRE	FUSE OR
		HERTZ					UNIT				WIRE
	SIZE					AMPACITY#		LENGTH	CKT BKR
		PHASE			MAX*		MIN.*			AMPS	GAUGE
								FT. (M)‡	AMPS†
045---	08/024045	115---	60---	1	127	104	5.3	7.42	49 (14.9)	15	14
045---	12/036045	115---	60---	1	127	104	7.1	9.67	38 (11.5)	15	14
070---	08/024070	115---	60---	1	127	104	5.2	7.22	51 (15.5)	15	14
070---	12/036070	115---	60---	1	127	104	7.3	9.90	37 (11.2)	15	14
070---	16/048070	115---	60---	1	127	104	10.1	13.42	27 (8.2)	15	14
090---	14/042090	115---	60---	1	127	104	8.2	10.84	34 (10.3)	15	14
090---	16/048090	115---	60---	1	127	104	9.9	13.0	28 (8.5)	15	14
090---	20/060090	115---	60---	1	127	104	12.9	16.70	34 (10.3)	20	12
110---	12/036110	115---	60---	1	127	104	8.2	10.76	34 (10.3)	15	14
110---	16/048110	115---	60---	1	127	104	10.1	13.19	28 (8.5)	15	14
110---	22/066110	115---	60---	1	127	104	13.7	17.60	32 (9.7)	20	12
135---	16/048135	115---	60---	1	127	104	10.2	13.28	27 (8.2)	15	14
135---	22/066135	115---	60---	1	127	104	14.5	18.61	30 (9.1)	20	12
155---	20/060155	115---	60---	1	127	104	15.0	19.34	29 (8.8)	20	12

* Permissible limits of the voltage range at which the unit operates satisfactorily.

#Unit ampacity = 125% of largest operating component’s full load amps plus 100% of all other potential operating components (EAC, humidifier, etc.) full load amps.

{ Time---delay type is recommended.

} Length shown is as measured 1 way along wire path between unit and service panel for maximum 2% voltage drop.

312AAV

U.S. Installations: Make all electrical connections in accordance with National Electrical Code (NEC) ANSI/NFPA 70-2008 and any local codes or ordinances that might apply.

!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 furnace. Use only copper wire.

Use a separate branch electrical circuit with a properly sized fuse or circuit breaker for this furnace. See Table 7 for wire size and fuse specifications. A readily accessible means of electrical disconnect must be located within sight of the furnace.

NOTE: Proper polarity must be maintained for 115-v wiring. If polarity is incorrect, control LED status indicator light will flash rapidly and furnace will NOT operate.

J-BOX RELOCATION

NOTE: If factory location of J-Box is acceptable, go to next section (ELECTRICAL CONNECTION TO J-BOX).

NOTE: On 14” wide casing models, the J-Box shall not be relocated to other side of furnace casing when the vent pipe is routed within the casing.

1.Remove and save two screws holding J-Box. (See Fig. 24

.)

NOTE: The J-Box cover need not be removed from the J-Box in order to move the J-Box. Do NOT remove green ground screw inside J-Box.

2.Cut wire tie on loop in furnace wires attached to J-Box.

3.Move J-Box to desired location.

4.Fasten J-Box to casing with the two screws removed in Step 1.

5.Route J-Box wires within furnace away from sharp edges, rotating parts, and hot surfaces.

Factory

Installed

Alternate

Location

A10291

Fig. 24 - Relocating J-Box

ELECTRICAL CONNECTION TO J-BOX

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

Electrical Box on Furnace Casing Side. See Fig. 25.

!WARNING

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.

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