11 | Configuration
Installer reference guide
55
2MXM40+50A
R32 Split series
4P600463-4E – 2021.12
Mode S99 connector
Heat pump (cooling, heating) Connected
Heating only Disconnected
4 Reinstall the top plate and the front plate.
INFORMATION
Forced operation is also available in heating mode.
11.4 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:
FTXM, FTXP, FTXJ, FVXM, ATXF
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.
11.4.1 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.
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