3 ! 6 —((^ h ; h, M ____ ]j, Chwo----- -------------- <2^>0-<2) – Carrier 31MC User Manual
Page 4
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3
— Top Guide
6
— Screw for Holding Top Guide
NOTE: The 2-cell unit (-220) shown; the 1-cell units (-114, 214)
have one contactor in the door
Fig. 5 — Junction Box and Top Guide
THERMOSTAT
CONNECTIONS
Fig. 8 — Typical Furnace Wiring with Multispeed
Fan Motor and Sail Switch
C
CONNECTIONS
Fig. 6 — Typical Furnace Wiring with Single-Speed
Fan Motor
THERMOSTAT
CONNECTIONS
Fig. 7 — Typical Furnace Wiring with Multispeed
Fan Motor and Air Cleaner Relay
115V HUMIDISTAT
115V HUMIDIFIER
HUI ,
!---------
I
DIRECT DRIVE WIRING
F| F2 12
5
^
-IH
fan
I 41 MED LO
SWITCH
3 !
6
—((^ H ; H -------------
________
—il
24V HUMIDISTAT 24 V HUMIDIFIER
*Ar
LIMIT
m____ ]J
VAL2
LIMIT
GAS
HAF VALVE
(WHEN USED)
--- CHWO-----
-------------- <2^>0-<2)------------- 1
CONTACTOR IN REMOTE
\
CONDENSING UNIT
■ —-------- -
BLOWER RELAY
Fig. 9 — Electronic Air Cleaner Wired into
58ES or 58GA Furnace Wiring
LEGEND for Fig. 6, 7, 8, 9,10 and 11
31 MM or MP wiring
FS
— Fan Switch
HAF
— Heat Assist Fan Switch
ACR — Air Cleaner Relay
HR
— Humidifier Relay
(Location of ACR
LS
— Limit Switch
is optional )
PS
— Pilot Switch
FR — Fan Relay
SS
— Sail Switch
(FR may be installed
Trans — Transformer
in furnace )
V
— Gas Valve
NOTES for Fig. 10 and 11
1 Transformer must be used on 208-230
V
supply Exceptions:
a) 208-3 Phase wye
b) 208/230-1 Phase with reliable ground
2
Dashed lines indicate wiring for:
a) 208-3 Phase wye
b) 208/230-1 Phase with reliable ground