Mitsubishi Electric ecodan PUHZ-W50VHA2 User Manual page 40

Flow chart for Automatic change over mode:
When switching operation mode, Domestic Hot Water always has the priority.
Heating mode is carried out at least 1 minute before switching for domestic hot water mode. This is to allow users to change settings in
heating mode.
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INSTALLATION: FTC2
START
HEATING (1 Minute)
ON
DHW
ON/OFF
OFF
ON
Heating
ON/OFF
OFF
Comp OFF
DHW mode
operation
Heating mode
operation
37
Fig 4.1