Central Control - Mitsubishi Electric PUHZ-W50VHA Technical Manual

10. Central control

When connected with the outdoor unit, M-NET converter and A-control sub Interface can be connected to MELANS and BMS,
which enables the central control available.
As for the demand control setting, the central control is not available in the fi xed capacity mode. However, with the wired remote
controller method(Auto step mode), the central control is available.
Operation with MELANS / BMS
Set the switch from the following setting according to the specifi cations of the local unit.
Ex. Local unit with only heating : select the 2 or 3 below.
1 Operation function : ON/OFF, operation mode change, the set temperature change
Switch setting
SW1-1=OFF SW1-2=ON
SW2-1~5=OFF SW 2-6=ON
2 Operation function : ON/OFF, the set temperature change
Switch setting
SW1-1=OFF SW1-2=ON
SW2-3~5=OFF SW 2-6=ON
(Operation mode is determined by the setting of SW2-1, 2. MELANS and BMS cannot operate this setting.)
3 Operation function : ON/OFF, operation mode change
Switch setting
SW1-1=OFF SW1-2=ON
SW1,2=OFF SW 2-6=ON
(Set temperature is determined by the setting of SW2-3~5. MELANS and BMS cannot operate this setting.)
4 Operation function : ON/OFF
Switch setting
SW1-1=OFF SW1-2=ON
SW 2-6=ON SW2-7,8=OFF
(Operation mode and set temperature are determined by the setting of SW2-1~5. MELANS and BMS cannot operate this
setting.)
Intake temp.
Liquid pipe temp.
Local unit Interface controller
Wired remote PAR-21MAA
controller
Intake temp.
Liquid pipe temp.
Local unit
Interface controller
Wired remote PAR-21MAA
controller
SW1-3=ON SW1-4~8=OFF
SW2-7,8=OFF
SW1-3=ON SW1-4~8=OFF
SW2-7,8=OFF
SW1-3=ON SW1-4~8=OFF
SW2-7,8=OFF
SW1-3=ON SW1-4~8=OFF
A transmission line/Power line
Power line
Outdoor unit
A transmission line/Power line
Power line
Outdoor unit
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M-NET converter
A-Control sub Interface
M-NET converter
A-Control sub Interface
MELANS
BMS