MITS U Series - Add-On Heat Pump Wiring Diagram

B
B
B
C
CC
C
C
R
R
R
R
R
W
WW
W
W
Y
Y
Y
Y
Y
G
GG
G
G
THERMOSTATTHERMOSTAT
FURNACE
FURNACE
B C
R
Y2
OUTDOOR UNIT
OUTDOOR UNIT THERMOSTAT
SIMPLIFIED LOW VOLTAGE WIRING DIAGRAM
MITS AIR “U” SERIES ADD-ON HEAT PUMP
™
MODELS
MOX330U-18HFN1-MR0
MOX430U-24HFN1-MR0
MOD30U-30HFN1-MR0
MOD30U-36HFN1-MR0
MOE30U-48HFN1-MR0
MOE30U-60HFN1-MR0
MAUIWD-01 R1 2022-02
Notes:
1. t is aThermosta heat
pump type.
2. “ ” configuration is used forB
the reversing valve.
3. Push afterreset button
changing switch 4-2 to on
and power has been
restored. .
S1 B
C
S2
R
W
Y2
D
L
Y
O N
1
O N
1
O N
1
O N
1
SW4-1 OFF
SW4-2 ON
SW4-3 OFF
SW4-4 OFF
Switch 4
OUTDOOR UNIT INTERFACE BLOCK
DIP SWITCH 4-2
MUST BE SET
TO “ON”
RESET SWITCH
When resetting switch 4-2, turn off power to outdoor
unit, set switch 4-2 to “ON”. Restore power and push
reset switch.
H1280-E022 INTERFACE