6 | Installation
Installer reference guide
51
3(A)MXM+3(A)MXF+4MXM+5MXM
R32 Split series
4P600463-1B – 2020.05
a Gas pipe
b Gas pipe insulation
c Interconnection cable
d Field wiring (if applicable)
e Liquid pipe
f Liquid pipe insulation
g Finishing tape
2 Install the service cover.
6.8.2 About standby electricity saving function
The standby electricity saving function:
▪ turns OFF the power supply to the outdoor unit and,
▪ turns ON the standby electricity saving mode on the indoor unit.
The standby electricity saving function works with following units:
3MXM40, 3MXM52, 3AMXM52 FTXM, FTXP, FTXJ, FVXM
If another indoor unit is used, the connector for standby electric saving must be
plugged in.
The standby electricity saving function is turned off before shipping.
To turn on standby electricity saving function
Prerequisite: The main power supply MUST be turned off.
1 Remove the service cover.
2 Disconnect the selective standby electricity saving connector.
3 Turn on the main power supply.
6.8.3 About priority room function
INFORMATION
▪ The priority room function requires initial settings to be made during the
installation of the unit. Ask the customer in which rooms he plans to use this
function and make the necessary settings during installation.
▪ The priority room setting is only applicable for an air conditioner indoor unit and
only one room can be set.
The indoor unit for which the priority room setting is applied takes priority in the
following cases:
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