Fig. 4 -- control circuit connections, Fig. 3 — line power connections – Carrier 38GS User Manual
Page 5
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I-PHASE
CONN. TO
FUSED
DISCONNECT
p
— --I3D GROUND LUG
386S,CEC0NDUNIT
3-PHASE
CONN. TO
FUSED
DISCONNECT
SPLICE
------------ FACTORY WIRING
-YEL-
-YEL-
-YEL-
-------I3D GROUND LUG
38CC CONO UNIT
------------ FIELD WIRING
Fig. 3 — Line Power Connections
THERMOSTAT SUBBASE
THERMOSTAT
SUBBASE
HH93AZ042 OR
(COOLING ONLY)
THERMOSTAT
SUBBASE
HH93AZ076
ARRANGEMENT C-
ONE TRANSFORMER
(COOLING AND 2-STAGE HEATING)
^CONNECT FS TO LOW-SPEED INDOOR FAN TERMINAL
WHEN 2-SPEED FAN IS USED
ONE TRANSFORMER
(COOLING AND ONE-STAGE HEATING)
^CONNECT FS TO LOW-SPEED INDOOR FAN TERMINAL
WHEN 2-SPEED FAN IS USED
IFR,
FS
and
IFM
are
located
in
furnace
on
heating-cooling
applications
If
accessory
IFR
is
required
for
cooling
only
applications, locate ( I F R ) in fan coiI
Control Relay (10 va) or Contactor
Fan Switch
Heating Control
I ndoor Fan Motor
I ndoor Fan Relay
Transformer
Field Splice
---------------Field Wiring
---------------- Factory Wiring
Fig. 4 -- Control Circuit Connections
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