Mitsubishi Electric City Multi PFAV-P500VMH-E, Service Handbook

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II
Restrictions ]
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HWE07150 GB
(2) Power supply switch connector connection on the outdoor unit
(Factory setting: The male power supply switch connector is connected to CN41.)
(3) Settings for the centralized control switch for the outdoor unit (Factory setting: SW2-1 are set to OFF.)
(4) Selecting the position of temperature detection for the indoor unit (Factory setting: SW1-1 set to "OFF".)
To use the built-in sensor on the remote controller, set the SW1-1 to ON.
ΠSome models of remote controllers are not equipped with a built-in temperature sensor.
Use the built-in temperature sensor on the indoor unit instead.
ΠWhen using the built-in sensor on the remote controller, install the remote controller where room temperature can be detected.
(5) MA remote controller main/sub setting "When using the MA remote controller (set to "Main" at the time of shipment)"
An MA remote controller can be switched between main and sub. When operation is to be performed with two remote control-
lers, set one of them as the sub remote controller. Refer to the operation manual for the setting method.
System configu-
ration
Connection to
the system con-
troller
Power supply unit
for transmission
lines
Group operation
of units in a sys-
tem with multiple
outdoor units
Power supply switch connector connection
System with
one outdoor unit
_ _ _ Leave CN41 as it is
(Factory setting)
System configuration Centralized control switch settings
*1
*1. Set SW2-1 on all outdoor units in the same refrigerant circuit to the same setting.
Connection to the system controller Not connected Leave it to OFF. (Factory setting)
Connection to the system controller Connected
*2
*2. When only the LM adapter is connected, leave SW2-1 to OFF (as it is).
ON