User`s manual

COOL NG FAN LOGIC:
0 T T_30
G G
ENERGIZED DE ENERGIZED
HEATING FAN LOGIC
0 45 T T30
W BR W BR
ENERGIZED DE ENERGIZED
RC
TRANI
O__ W13 BLK-
COMMON------
RH
J l_l
--o OAUTO
ON
FIELD-THERMOSTAT
__ __ z_
W59YEL
-- W64 YEL--
W15YEL
SECONDARY
24V
OR
W56 BLU
F
o
g
IFM
IDM
I
I 24V SPLICE BOX
W19WHT
W20 GRN
W21 RED
UNIT COMPONENT ARRANGEMENT
OUTDOORFAN F_
SECTION
EQUIP
GND
EED' o SSO E
_ _ ,_
_cAP3 j! -
COMP
C
S
GASSECTION
DISCONNECT
PERNED
BR
--W39 RED J2 1 _
IGC - -
L
@
F / _:> --I
__./<32:} SAF
@ -- __
@ -- __
, i
Y ' Q_'_* /o
_2J qF]
2
GROUNDED
TRUSTANDOFF
FLAMESEN
-W4I GRN-YEL
-- W32 BRN
W46 BRN
W46BRN--
W30 BRN
LEGEND
AHA - Adjustable Heat NEC - National Electrical
Anticipator Code
BR - Blower Relay OFM - Outdoor-Fan Motor
C - Contactor QT - QuadrupleTerminal
CAP - Capacitor RS - Rollout Switch
COMP - Compressor Motor SEN - Sensor
CR - Combustion Relay SW - Switch
CS - Centrifugal Switch TRAN - Transformer
EQUIP- Equipment
FS - Flame Sensor _ Field Splice
FU - Fuse
GND - Ground O Terminal (Marked)
GV - Gas Valve
GVR - GasValve Relay O Terminal (Unmarked)
HS - Hall Effect Sensor
HV - High Voltage _ Splice
TRAN - Transformer
I - ignitor <[_)@ Splice (Marked)
IDM - Induced-Draft Motor -- FactoryWiring
IFC - Indoor-Fan Contactor
-- -- - Field Control Wiring
IFM - Indoor-Fan Motor
iGC - integrated Gas Unit -- -- - Field Power Wiring
Controller .... Accessory or
L1 - Line Optional Wiring
LS - Limit Switch
To indicate Common
LS1 - Limit Switch Potential Only, Not
MGV - Main Gas Valve toRepresentWiring
NOTES:
1 F any of the odgina] wires furnished are replaced, they must be
replaced with type 90 degree C wire or its equivalent.
2 See price pages for thermostat and subbases
3. Use 75 degree C copper conductors for field installation
4 For high speed IFM, disconnect RED wire from IGC terminal BM
and connect BLK wire from IFM For medium speed, disconnect
RED wire from IGC terminal BM and connect BLU wire from IFM
Fig. 16--2081230-3-60 Wiring Diagram, Units 48GS and 48GX
18
C00058