LADDER WiRiNG DIAGRAM
DANGER: ELECTRICAL SHOCK HAZARD DISCONNECT POWER BEFORE SERViCiNG
LEGEND
FIELDSPLICE
Q TERMINAL(MARKED)
o TERMINAL(UNMARKED)
• SPLICE
SPLICE (MARKED)
FACTORYLOVOLTAGE
FIELDCONTROLWIRING
FIELDPOWERWIRING
ACCESSORYOR OPTIONAL
WIRING
FACTORYHI VOLTAGE
C CONTACTOR
CAP1 CAPACITOR,COUP
CAP2 CAPACITOR,INDUCER
CCH CRANKCASE HEATER
COUP COMPRESSORMOTOR
EQUIP EQUIPMENT
FS FLAME SENSOR
GND GROUND
HPS HIGH PRESSURESWITCH
I IGNITOR
IDM INDUCEDDRAFT MOTOR
IFM INDOOR FAN MOTOR
IGC INTERGRATEDGAS UNITCONTROLLER
LGPS LOW GASPRESSURESWITCH(WHENUSED)
LPS LOWPRESSURESWITCH
LS1 PRIMARYLIMIT SWITCH
LS2 SECONDARYLIMITSWITCH
MGV MAIN GASVALVE
OFM OUTDOORFAN MOTOR
ST QUADRUPLETERMINAL
PLI IGC TO INDUCERMOTORPLUG
PL2 INDUCERMOTORPLUG
RS ROLLOUTSWITCH
SOL COMPRESSORSOLENOID
TRAM TRANSFORMER
T-STAT THERMOSTAT
30 UNITCOMPONENTARRANGEMENT
OUTDOORFAN
SECTION
COMPRESSOR INDOORFAN
SECTION SECTION
r_ E
S_ COt_P
T3T1 E
T2
CONTROLBOX AREA
SECTION
®
HEATINGFAN LOGIC
I I
0 52 T T÷90,
W1W2, BLOWER Y1 T+120,
ORW+W2 ENERGIZEDDE_NERGIZEDT+IEO,
ENERGIZED ORT+180
COOLING FAN LOGIC
I I
0 1 T T+60
Y1 BLOWER Y1 BLOWER
ENERGIZEDENERGIZEDDEIENERGIZED DEIENERGIZED
NOTE:IFY2 DE-ENERGIZEDREMOVES
CALLFORCOOLING,O SECONDOFFDELAY
T-STAT
Y2 ---_PNK-
Y1- - - _ YEL-
G---_GRN-
wl ---_WHT-
w2- - - _ BLK
R---_RED.
DH----Z_- BLU _
C---_
BRN
NOTES:
1. IFANYOF THE ORIGINALWIRESFURNISHEDARE REPLACEDTHEY
MUSTBEREPLACEDWITHTHE SAMEWIREOR IT'S EQUIVALENT.
2. SEE PRE-SALELITERATUREFORTHERMOSTATS.
3. USE 75 DEGREESC COPPERCONDUCTORSFORFIELD INSTALLATION.
4. REFERTO INSTALLATIONINSTRUCTIONSFORCORRECTSPEED
SELECTIONFORIFM.
5. SEE INSTALLATIONINSTRUCTIONSFOR PROPERHEATINGAND
COOLINGCONNECTIONSFORYOURUNIT.
6. ON SOMEMODELSLS1ANDLS2ARE WIREDIN SERIES.ONOTHER
MODELSONLYLS1IS USED.
7. THISFUSEIS MANUFACTUREDBYLITTLEFUSE,P/N 257005.
8. DO NOTDISCONNECTPLUGUNDERLOAD.
IGC °24VAC"
_ P1-s(>-
" 5A FUSE
"FS"--
"Tf' O--
pIIS
m4 0-
P1-1
P1"70
p312 _ I
o_ _ P3-1
_ C:_) PI-9
LI
BLK
C;111
c;11
USE COPPER CONDUCTORS ONLY
FIELD SUPPLY
208/230 VAC. 60 HZ. 3PH
C c;21 OFM
8LU_ YEL I
i [77
IGC
CCH(_
L1 O I
i%
"LOW"
(2"11-
'HIGH'
P2-2
%N SEE NOTE8
GRN/YEL
ml;3 IDM CAP 2
HPS LPS C
I BLK_ YELI
RED_ BRN--
l lec
"24VACCOM"
FS
--YEL_
i ORNIIO I o- BRN_
-BLU_
--VlO _LS1 LS_f--_I
--VIO_RED_
-ORN_ WHENUSED
SEENOTE6
i- -i
l PRESSURE
I I SWITCH
I I
LP KITACCESSORY
WHENUSED
GRN/YEL--
BLK_ SOL
--RED _
-- BLU M_ _ GRN_EL_
( _ IFM BRN--
--GRY HII_L'_ _-pBLU BRN--
SEE NOTE 4/5-,..-- -R_ND
L -BLK_
BRN--
J-__EQUIPGND
- L3
YEL
C;23 C
YEL_ _ )C;I3
i
IGC
L2
L2
_i C;13
...o;_.;
L2
GND
IIIIIIIIIIIIIIIIi!1111111IIIII!111IIIII
48VG5QO0_5REVB
_:_)'MOTOR COM"
p413 "C"
Fig. 17 Cont. - 208/230-3-60 Ladder Wiring Diagram Gas Inputs 40, 60, 90 KBtu/hr
48VG500005 REV. B
A13023
25
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