MITS U Series - Auxiliary Heat Delay Wiring Diagram

SIMPLIFIED LOW VOLTAGE WIRING DIAGRAM
MITS AIR “U” SERIES ADD-ON HEAT PUMP
™
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
THERMOSTAT
FURNACE
FURNACE
B C
L
L
R
Y2
OUTDOOR UNIT
OUTDOOR UNIT
MODELS
MOX330U-18HFN1-MR0
MOX430U-24HFN1-MR0
MOD30U-30HFN1-MR0
MOD30U-36HFN1-MR0
MOE30U-48HFN1-MR0
MOE30U-60HFN1-MR0
24 volt ac
Time Delay
on “ON”
(Set to 10 Min.)
Notes:
1. is aThermostat HEAT
PUMP type.
2. configuration is used“B”
for the reversing valve.
3. Push reset button after
changing switch to4-2
“ON” and power has
been restored. .
Interface Module H1280-E922
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
With Auxiliary Heat Time Delay