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Installing MCU (Mode Change Unit)
You must install MCU when using Type C outdoor unit.
Model of MCU
Install appropriate MCU according to the specification and the number of the
indoor unit.
Model
MCU that the EEV is not included:
MCU-6ECE
6 indoor units can be connected.
MCU that the EEV is not included:
MCU-4ECE
4 indoor units can be connected.
MCU that the EEV is included:
MCU-4ECEV
4 indoor units can be connected.
N N
o o
t t
e e
MCU-4ECEV
N N
o o
t t
e e
indoor unit(Wall-mounted type and Ceiling type) that does not include
EEV.
Wall-mounted type and Ceiling type indoor unit should use
MCU-4ECEV , also the valve to bypass EEV should be closed.
If other type of indoor unit is connected to MCU-4ECEC , the valve
to bypass EEV should be opened.
Gas line to be connected to indoor unit
Type
When installing the indoor unit
that the EEV is included
When installing the indoor unit
that the EEV is not included:
Wall-mounted Type, Ceiling Type
is the product that includes built in EEV to use the
Liquid line to be connected to indoor unit
Valve to bypas EEV
Remarks
33
E-
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