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III. ACCESSORIES
1. Electronic Air Cleaner (EAC)
Two quick-connect terminals marked EAC-1 and EAC-2
are provided for EAC connection. (See Fig. 25.) These
terminals are energized with 115v (1.5-amp maximum)
during blower motor operation.
2. Humidifier (HUM)
A quick-connect terminal (HUM) and screw terminal (C
OM)
are provided for 24-v humidifier connection. (See Fig. 24.)
HUM terminal is energized with 24v (0.5-amp maximum)
after inducer motor prepurge period.
NOTE: A field-supplied, 115-v controlled relay connected to
EAC terminals may be added if humidifier operation is desired
during blower operation.
TABLE 4—ELECTRICAL DATA
UNIT
SIZE
VOLTS—
HERTZ—
PHASE
OPERATING
VOLTAGE RANGE
MAX
UNIT
AMPS
UNIT
AMPACITY†
MIN
WIRE
GAGE
MAX WIRE
LENGTH
(FT)‡
MAX FUSE
OR CKT BKR
AMPS**
Max* Min*
024040 115—60—1 127 104 6.1 8.4 14 44 15
036040 115—60—1 127 104 7.3 10.0 14 37 15
024060 115—60—1 127 104 6.1 8.4 14 44 15
036060 115—60—1 127 104 7.1 9.8 14 38 15
048060 115—60—1 127 104 9.5 12.8 14 29 15
036080 115—60—1 127 104 7.6 10.4 14 36 15
048080 115—60—1 127 104 10.0 13.4 14 28 15
060080 115—60—1 127 104 14.1 18.4 12 31 20
048100 115—60—1 127 104 10.2 13.5 14 27 15
060100 115—60—1 127 104 14.8 19.3 12 30 20
060120 115—60—1 127 104 14.6 19.1 12 30 20
→060140 115—60—1 127 104 14.3 18.8 12 30 20
* Permissible limits of voltage range at which unit will operate 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.
‡ Length shown is as measured 1 way along wire path between unit and service panel for maximum 2 percent voltage drop.
** Time-delay fuse is recommended.
Fig. 25—Control Center
A95086
C
OM
24V
HUM
GRYW
3-AMP FUSE
HUMIDIFIER TERMINAL
(24-VAC 0.5 AMP MAX)
LED OPERATION &
DIAGNOSTIC LIGHT
HARNESS CONNECTOR
24-V TRANSFORMER SEC-2
SPARE-1
SPARE-2
EAC-1
EAC-ELECTRONIC AIR CLEANER
TERMINALS (115-VAC 1.5 AMP MAX)
EAC-2
115-VAC (L2) NEUTRAL
CONNECTION
24-V THERMOSTAT
TERMINALS
BLOWER SPEED
SELECTION TERMINALS
INDUCER MOTOR
CONNECTOR
115-VAC (L1)
POWER SUPPLY
HOT SURFACE
IGNITOR CONNECTOR
HEAT
COOL
SEC-1
TEST/TWIN
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