Bryant 350MAV User Manual
Page 20
III.
ACCESSORIES
1. Electronic Air Cleaner (EAC)
Two spring clamp terminals (for 12 gage maximum, solid
or stranded wire), 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. To connect EAC power leads to furnace
control center, strip approximately 1/8 in. of insulation from
wire. Open terminal by depressing switch arm with a
screwdriver or finger, and insert wire as shown in Fig. 26.
2. Humidifier (HUM)
Screw terminals (HUM and 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
SIZE
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
A93052
G
R
Y
W
3-AMP FUSE
Com
24V
HUMIDIFIER TERMINAL
(24-VAC 0.5 AMP MAX)
LED OPERATION &
STATUS LIGHT
HARNESS CONNECTOR
24V TRANSFORMER SEC-2
SPARE 1
SPARE 2
EAC 1 (BLACK)
EAC-ELECTRONIC AIR CLEANER
TERMINALS (115-VAC 1.5 AMP MAX)
EAC 2 (WHITE)
115-VAC (L2) NEUTRAL
CONNECTION
24V THERMOSTAT
TERMINALS
BLOWER SPEED
SELECTION TERMINALS
INDUCER MOTOR
CONNECTOR
115-VAC (L1)
POWER
SUPPLY
HOT SURFACE
IGNITOR
CONNECTOR
HEAT
COOL
BLOWER OFF DELAY
ADJUSTMENT SWITCH
SEC-1
TEST/TWIN
HUM
—20—