Mitsubishi Electric PAC-IF051B-E Installation Manual page 27

5. Dip Switch setting
5.2 Outdoor unit type
Set Dip SW 1-7 to set the outdoor unit type.
Dip SW 1- Setting
OFF Split type
ON Packaged type
Set Dip SW 1-2 to set the heat pump maximum outlet water temperature.
Dip SW 1-2 Setting
OFF 55 °C
ON 60 °C
When the outdoor unit is a PUHZ-RP series set the Dip SW 1-2 to ON, other than that, set the Dip SW 1-2 to OFF.
Note: When Dip SW 1-2 is OFF (55°C) and an electric heater is not installed (*), 'Legionellla Prevention Mode' is NOT available.
* Dip SW settings set when no electric heater is installed.
Dip SW 1-2 Dip SW 1-4
OFF OFF
OFF OFF
5.3 Functions setting
Set Dip SW 1-3 to set whether the system has a DHW tank.
Dip SW 1-3 Setting
OFF WITHOUT DHW tank
ON WITH DHW tank
When Dip SW 1-3 is OFF, DHW mode is not available.
Set Dip SW 1-4 to set whether the system has an immersion heater.
Dip SW 1-4 Setting
OFF WITHOUT immersion heater
ON WITH immersion heater
Set Dip SW 1-5 to set whether the system has a booster heater.
Dip SW 1-5 Setting
OFF WITHOUT booster heater
ON WITH booster heater
Set Dip SW 1-6 to set the booster heater function.
Dip SW 1- Setting
OFF For heating only
ON For heating and DHW
Set Dip SW 1-1 to set whether the system has a boiler.
Dip SW 1-1 Setting
OFF WITHOUT boiler
ON WITH boiler
When Dip SW 1-1 is OFF, back-up operation of boiler is not available.
Set Dip SW 2-6 to set whether the system has a mixing tank.
Dip SW 2- Setting
OFF WITHOUT mixing tank
ON WITH mixing tank
When Dip SW 2-6 is OFF, back-up operation of boiler is not available.
When Dip SW 2-7 is OFF, 2-zone temperature control is not available.
Set Dip SW 2-7 to set activate or deactivate 2-zone temperature control.
Dip SW 2- Setting
OFF Inactive
ON Active
When Dip SW 2-7 is OFF, 2-zone temperature control is not available.
Set Dip SW 4-1 to set activate or deactivate multiple units control.
Dip SW 4-1 Setting
OFF Inactive
ON Active
When Dip SW 4-1 is OFF, 2-zone temperature control is not available.
Set Dip SW 4-2 to set master or slave of multiple units control.
Dip SW 4-2 Setting
OFF Slave
ON Master
When multiple units control is not available, setting of Dip SW 4-2 is not necessary.
Note
Necessary to connect TH2
Not necessary to connect TH2
Dip SW 1-5 Dip SW 1-
ON OFF
OFF (ON/OFF)
Note
Not necessary to connect THW5
Necessary to connect THW5
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