Mitsubishi Electric M Series Installation Manual page 91

MAC-1702RA
Wiring
RAC INDOOR UNIT
Remote controller works even if connection is OFF.
In order to block the remote controller, cut JR88 on indoor unit PC board.
Incoming Signals - Window contact
P.C. board
Indoor unit
Window contact
OUTPUT signals - Heating Back-up
P.C. board
Indoor unit
Heating Back-up
Compatibility list
MSZ-LN25/35/42/50VG(2)
MSZ-EF18/22/25/35/42/50VGK
MSZ-AP15/20/25/35/42/50/60/71VG(K)
MSZ-BT20/25/35VG
MSZ-HR25/35/42/50/60/71VF
A
CN104
MAC-1702
A
MAC-1702
A
MAC-1702
MFZ-KJ25/35/50VE2
MFZ-KT25/35/50VG
MLZ-KP25/35/50VF
MSZ-HJ25/35/50/60/71VA
MSZ-DM25/35VA
MSZ-WN25/35VA
MITSUBISHI ELECTRIC / OPTIONAL PARTS
INSULATE THE WIRES
SEPARATELY
(Coil rating
of DC 12V, 75mA
or less) Use relay
with reinforced
insulation.
Relay
INSULATE THE WIRES
SEPARATELY
A
Cable type Supplied
Nr. of Conductors 4
Section diameter -
Max lenght 2 m
When the contact is open, indoor unit
can be turned ON; when the contact is
closed, indoor unit is OFF.
Pay Atteniton: the indoor unit does not
automatically restart when the contact
is open.
A
Cable type Supplied
Nr. of Conductors 4
Section diameter -
Max lenght 2 m
89