NOTE:
IF ANY OF THE ORIGINAL WIRE iS REPLACED, THE SAME SIZE AND TYPE WIRE MUST BE USED.
USE COPPER CONDUCTOR ONLY, MIN. 75°C WIRE.
WARNING- ELECTRIC SHOCK HAZARD. UNIT MUST BE GROUNDED iN ACCORDANCE WITH
NATIONAL AND LOCAL CODES.
HEAT ANTICIPATION SETTING: 0.70 AMP
LINE VOLTAGE FIELD INSTALLED
>Z
o_
c_
L2
L
z,
ra
COMPRESSOR
cE
COMPRESSOR
CONTACTOR
K1-2
KI-f
_- COMPRESSOR
- CONTACTOR
1_ BLK
DUAL
CAPACITOR
C12_ BRN
;IGNITION CONTROL
: J i-;
,A3 _O m<,
i L1 CMB BLWR < o < z;
SEE CHART
FOR WIRING
M'
I
_B. BL
_ CAPACITOF M(
i-
i
o_
CONDENSER
FAN MOTOR
DIAGNOSTICS
The following ignition control board LED codes will indicate normal or abnormal operations:
SLOW FLASH Normal operation, no call for heat.
FAST FLASH Normal operation, call for heat.
2 FLASH System lockout.
3 FLASH Pressure switch senses incorrect pressure.
4 FLASH Main limit open or rollout switch open.
5 FLASH Flame sensed and gas valve not energized.
STEADY Internal failure (micro-controller failure; self check).
PRESSURE [4___$I8
SWITCH
AUX. LIMIT
SWITCH
(iF USED)
HIGH PRESSURE
SWITCH THERMOSTAT
(iF USED) BLU
:, FUSE ; / l [ /
GRODND G>:,> | /
I ]i w>:,> / ! i
I;I i @LED O> _ -_ ]
Y>:>--q l CONTACTOR
FLAME':l /
LO_._..O.._/Y._-'b._/__........ _Z._.."_ Y_- / y
_1 I _ZH Blower Speed Chart
_] I w _I I Unit Factory Shipped Settings
ROLLOUT (_$471 'T' .
SWITCH _ L [ _ C.oohng H.eatmg HEAT (BLU) COOL (BLK)
z:J J mput mput
_L_ 24 68 MED LOW
30 68 MED* MED
GV1
r- .....
...... J
GAS
VALVE
MOTOR
SPEED TAPS
36
36
42
42
48
48
48
6O
6O
6O
68
90
83
110
83
110
138
83
110
138
MED
HIGH*
LOW*
LOW*
LOW
LOW
MED*
LOW
LOW
MED
HiGH
HiGH
LOW
LOW
MED
MED
MED
HiGH
HiGH
HiGH
Connection Diagram
Single Stage Heat, Single Phase
PIN 48129-001
JUMPER REQUIRED
IF THE JUMPER IS NOT USED, CONNECT BLUE WIRE TO
THE HEAT TERMINAL.
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