Relay Operation; Coil Front Prevention; Indoor Fan Relay Mode - Mitsubishi Electric MS09EW Service & Parts Manual

RELAY OPERATION
NOTE : When the compressor is OFF, "3 min. time-delay circuit" operates
MODE
COIL FROST PREVENTION mode are as follows
THERMOSTAT
]
52C CONTACTOR
1
INDOOR FAN RELAY
THERMOSTAT
Indoor fan relav mode
52C CONTACTOR
OFF for 5 min. After
that, OFF is prolonged
until indoor coil ther-
mistor reads termina-
tion temp.
1
Indoor fan speed
I
Relay turning ON
1
HI
I
OFF
I
All fan relavs are off
I
X I 4
LO
INDOOR FAN RELAY
Auto or set speed
Very low speed
XI 2
MED
VLO X I 1
i
X I 3
I