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ELECTRICAL AND CONTROL SETTINGS
9.6 SETTING OF DIP SWITCHES ON PCB1
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The mark "■" indicates the dip switches positions.
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No mark "■" indicates pin position is not affected.
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The figures show the settings before shipment or after
selection.
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"Not used" means that the pin must not be changed. A
malfunction might occur if changed.
Before setting dip switches, first turn the power supply OFF and
then set the position of dip switches. If the switches are set without
turning the power supply OFF, the contents of the setting are invalid.
(1) DSW1: Unit model setting
No setting is required.
Split
(2) DSW2: Unit capacity setting
No setting is required.
(3) DSW3: Additional setting
(4) DSW4: Additional setting
Water pump forced ON
Auxiliary electric heater forced OFF
Anti-freezing enabled
OFF: Anti-freezing disabled
Water pump mode when Thermo OFF
ON:Operate periodically
OFF:Operate constantly
Manual emergency setting
ON:Manual emergency enabled
OFF:Manual emergency disabled
DHW electric heater allowance setting
ON:DHW electric heater cancel forced OFF
OFF:DHW electric heater forced OFF
DHW 3-way valve forced ON
Start air purge
(5) DSW5: Additional setting
P3 operates in cooling mode
Cancel alarm of thermistor Tow2
(6) DSW6: Fuse reset
Setting before shipment
(7) DSW7: Additional setting
Cancel alarm of thermistor Tow3
(8) DSW8: Refrigeration system No. setting
Setting is required.
Use binary encoding method. Before shipment are all OFF.
5 6 7 8
5 6 7 8
Max No.63 are available to set when all the equipment are
connected to corresponding Central Control System.
Ex: Set refrigeration system No. as 8.
5 6 7 8
5 6 7 8
(9) DSW9: Indoor unit No. setting
5 6 7 8
No setting is required.
Setting before shipment
5 6 7 8
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5 6 7 8
5 6 7 8
5 6 7 8
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