Outdoor Unit Centralized Controller Switch Setting; Suction/Discharge Temperature Control Selection; Settings Of Ma Remote Controller Main/Sub Switching Switch; Connection Of Two Refrigerant Circuits - Mitsubishi Electric PUHY-P250YNW-A Service Handbook

[2-4 M-NET Address Settings ]
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Outdoor Unit Centralized Controller Switch Setting

System configuration
Connection to the system controller Not connected
Connection to the system controller Connected *
*1 Set SW5-1 on all outdoor units in the same refrigerant circuit to the same setting.
*2 When only the LM adapter is connected, leave SW5-1 to OFF (as it is).
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Suction/Discharge Temperature Control Selection

To use a suction temperature control, set SWC to " Option ". Factory setting is " Standard (Discharge temperature control) ".
(The suction temperature sensor (TH21) is supplied as standard specification.)
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Settings of MA Remote Controller Main/Sub Switching Switch

Main/sub settings are available on the MA remote controller. Factory setting is " Main ". When two remote controllers are con-
nected, set either of them to " Sub ".
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Connection of Two Refrigerant Circuits

When two refrigerant circuits are connected on site, make the switch settings on the controller circuit board following the in-
structions described in the installation manual for the indoor unit.
BS_02_C
Centralized control switch (SW5-1) settings *
OFF (Factory setting)
2
ON
1
5
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