Electrical Data - Bryant 986TB Installation, Start-Up, Operating And Service And Maintenance Instructions

UNIT SIZE VOLTS-
HERTZ-
PHASE
42060 115-60-1
42080 115-60-1
60080 115-60-1
66100 115-60-1
66120 115-60-1
* Permissible limits of the voltage range at which the unit operates satisfactorily.
# Unit ampacity = 125 percent of largest operating component's full load amps plus 100 percent of all other potential operating components' (EAC, humidifier,
etc.) full load amps.
{
Time-delay type is recommended.
}
Length shown is as measured one way along wire path between furnace and service panel for maximum 2 percent voltage drop.
Fig. 34 − Installing J−Box (When Used)
Table 11 – Electrical Data
TWO-STAGE ECM FURNACES
OPERATING VOLTAGE MAXIMUM
RANGE* UNIT
AMPS
Maximum* Minimum*
127 104
127 104
127 104 13.6
127 104 13.7
127 104 13.7
A12226
UNIT MINIMUM
AMPACITY#
8.5 11.5
8.5 11.5
17.9
18.0
18.0
GROUND
NEUTRAL
LINE VOLTAGE
ELECTRIC
DISCONNECT
SWITCH
Fig. 35 − Field−Supplied External Electrical Box on Furnace
39
MAXIMUM MAXIMUM
WIRE WIRE FUSE OR CKT
SIZE LENGTH BKR
AWG FT (M)} AMPS{
14 32 (9.8)
14 32 (9.8)
12 32 (9.8)
12 31 (9.4)
12 31 (9.4)
COPPER
WIRE ONLY
ALUMINUM
WIRE
Casing
15
15
20
20
20
A11146