122
Installation
8.2.10.5
SETTING OF DIP SWITCHES ON PCB1
selection.
malfunction might occur if changed.
then set the position of dip switches. If the switches are set without
(1) DSW1: Unit model setting
No setting is required.
(2) DSW2: Unit capacity setting
No setting is required.
Combi
044(2.0 HP) 060(2.5 HP) 080(3.0 HP)
(3) DSW3: Additional setting
(4) DSW4: Additional setting
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21:KROHZDWHUF\FOHGRHVDQWLIUHH]LQJ
2))2QO\SULPDU\F\FOHGRHVDQWLIUHH]LQJ
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Setting before shipment
7 8
Water pump forced ON
7 8
Auxiliary electric heater
forced OFF
7 8
ON: Anti-freezing enabled
OFF: Anti-freezing disabled
7
8
Manual emergency setting
ON: Manual emergency enabled
OFF: Manual emergency disabled
7 8
DHW electric heater allowance setting
ON: DHW electric heater cancel forced OFF
OFF: DHW electric heater forced OFF
7
8
DHW 3-way valve forced ON
7 8
Start air purge
7 8
Water pump mode when
Thermo OFF
OFF: Operate constantly
ON: Operate periodically
7
8
(5) DSW5: Additional setting
(6) DSW6: Fuse reset
(7) DSW7: Not used
(8) DSW8: Refrigeration system No. setting
Setting is required.
Use binary encoding method. Before shipment are all OFF.
(9) DSW9: Indoor unit No. setting.
No setting is required.
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.
Setting before shipment
Setting before shipment
ON: WP3 operates in space cooling mode.
ON: Cancel 75/78 alarm (Water pump abnormalities)
ON: &DQFHO$ODUPRI7KHUPLVWRU7RZ.
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