Integrated Control Board - Lennox G40UH Series Installation Instructions Manual

TYPICAL G40UH(X) FIELD WIRING DIAGRAM
SECONDARY
LIMITS USED
N/A
2
Z
2
FlRIGHT)
2
2
H _LGtr_RSPEED SELECTION, _O
_PEED RI anK YELLOW RED
rAPS IBLACK BROWN YELLOW REO
]20V ACC
OR
K43 ECON
(IF USEO)
_x
THERMOSTATHEAT ANTICIPATION SETTINGS
NOTE-
IF ANY WIRE IN THIS APPLIANCE IS REPLACED,IT
MUST BE REPLACED WITH WIRE OF LIKE SIZE
RATIND,INSULAT ON THICKNESS AND TERMINATION,
Z_ IMPORTANT-
TO PREVENT MOTORBURNOUT,NEVER CONNECTMORE
THAN ONE MOTORLEAD TO ANY ONE CONNECTION.
/_ PARK TERMINALS ARE UNPOWEREDTERMINALS. ALL
UNUSED MOTOR LEADS MUST BE WIRED TO A
PARK TERMINAL.
Z_ FOR CORRECT NUMBEROF SECTARY
LIMITS USED,SEE SECONDARYLIMIT
SECTION OF BLOWER SPEED CHART.
DAOUH*36B-090 AND
G40UH-ABC-135 0NLY.D0 NOT USE
RED (LOW SPEED) MOTORLEA0
FOR HEATING,LEAVE 0H PARK.
FIELD SUPPLIED ACC. WIRE.
•_ USE COPPER CONDUCTORSONLY,
LINE VOLTAGE FIELD INSTALLED
.... CLASS II VOLTADE FIELD WIRING
DENOTES OPTIONAL COMPONENTS
WARNING-
ELECTRIC SHOCK HAZARD,CAN CAUSE INJURY
OR DEATH.UNIT MUST BE GROUNDEDIN ACCORDANCE
WITH NATIONAL AND LOCAL CODES.
S]
ROOMTHERMOSTAT
LI LIL__
SIO @ $18
PRIMARYGAS COMBIFJTI_ AIR
LIMIT PROVINGSWITCH
AIR INDUCER
(kJ-TE_ATE)
_ew Gwi_v
Y_HITE-ROD_RE HONEY_dELL
6AS VALVE GAS VAt,_,_
,® - b
s, OlqO OOO
JFLAME ROLLOUT _ IGNITER_J $47
SWITCH __ FLAME JI59 _ FLAMEROLLOUT
SENSOR PIG9 _ SWITCH
TI
S51
N
9®®1 FFt
IGNITION/
,H55
F_'A--1FI
BLOWER
7J j
.--' . i_#o_ _,s LIM,
. _ J
FIGURE 24
INTEGRATED CONTROL BOARD
(Automatic Hot Surface Ignition System)
OO
BLOWER OFF
DELAY JUMPER
/
W ¢ R ¢; Y
HUM
LINE
XFMR
EAC
COOL
HEAT
PARK
FLAME
NEUTRALS
TER_HNAL DESIGNATIONS
Humidifier (120VAC)
Input (120VAC)
Transformer (120VAC)
Electronic Air Cleaner (120VAC)
Blower - Cooling Speed (120VAC)
Blower- Heating Speed (120VAC)
Dead terminals to park alternate spd taps
Flame senser
Neutral terminals (120VAC)
"''- 3 AMP, 32 VAC FUSE
FIGURE 25
Page 23