Start/Stop Control Of Indoor Units; Miscellaneous Settings - Mitsubishi Electric PUHY-HP72 Service Handbook

[2-4 M-NET Address Settings ]
2-4-5

Start/Stop Control of Indoor Units

Each indoor unit (or group of indoor units) can be controlled individually by setting SW 1-9 and 1-10.
Operation of the indoor unit when the operation is resumed after the unit was
Function
Power ON/OFF by Indoor unit will go into operation regardless of its operation status before power
*1,*2,*3
the plug off (power failure). (In approx. 5 minutes)
Automatic restoration Indoor unit will go into operation if it was in operation when the power was
after power failure turned off (or cut off due to power failure). (In approx. 5 minutes)
Indoor unit will remain stopped regardless of its operation status before power
off (power failure).
*1. Do not shut off power to the outdoor units. Doing so will cut off the power supply to the compressors and the heater on
the outdoor units and may result in compressor malfunction when operation is restored after a power failure.
*2. Not applicable to units with a built-in drain pump or humidifier.
*3. Models with a built-in drain pump cannot be turned on/off by the plug individually. All the units in the same refrigerant cir-
cuits will be turned on or off by the plug.
*4. Requires that the dipswitch settings for all the units in the group be made.
*5. To control the external input to and output from the air conditioners with the PLC software for general equipment via the
AE-200,AG-150A, GB-50ADA, or G(B)-50A, set SW1-9 and SW1-10 to ON. With these settings made, the power start-
stop function becomes disabled. To use the auto recovery function after power failure while these settings are made, set
SW1-5 to ON.
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Miscellaneous Settings

Cooling-only setting for the indoor unit: Cooling only model (Factory setting: SW3-1 "OFF.")
When using indoor unit as a cooling-only unit, set SW3-1 to ON.
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stopped
*4 *5
Setting (SW1)
9 10
OFF ON
ON OFF
OFF OFF
HWE18240_GB