Mitsubishi Electric M Series Installation Manual page 22

MITSUBISHI ELECTRIC / MXZ SERIES
MXZ-F
MXZ SERIES - MULTI SPLIT - DC Inverter/Heat pump - 2 to 6 ports
LOW STANDBY MODE POWER
Outdoor unit
Ports number Size
MXZ-2F33
2 ports MXZ-2F42
MXZ-2F53
MXZ-3F54
3/4 ports MXZ-3F68
MXZ-4F72
MXZ-4F80
4 ports
MXZ-4F83
5 ports MXZ-5F102
6 ports MXZ-6F122
Low Standby Mode Power deactivation procedure:
1. Reach the outdoor unit's PC board (without voltage).
2. Move the jumper SC751 from CN750 to CN751
CN750
3. Switch SW1-2 from ON to OFF
SW1-2 ON
SW1-2 OFF
20
LOW STANDBY
MODE?
Series
VF DEACTIVATED
VF2 DEACTIVATED
VF3 DEACTIVATED
VF ACTIVATED
VF2 ACTIVATED
VF3 DEACTIVATED
VF2 ACTIVATED
VF3 DEACTIVATED
VF DEACTIVATED
VF DEACTIVATED
VF DEACTIVATED
CN751
SW1 MODE
ON
Activated
1 2 3 4 5 6
ON
Deactivated
1 2 3 4 5 6
If LOW STANDBY MODE is
ACTIVATED it's necessary to
deactivate it when following
indoor units are connected
MSZ-AP15/20VF
MLZ-KP25/35/50VF
SLZ- 25/35/50FA
PEAD50JA
SEZ-M25/35/50/60DAL
PCA-M50/60KA
CN750
CN751
If LOW STANDY MODE
is ACTIVATED while
this kind of units
are connected, the system
doesn't work (LED blinking)