194
Installation
8.4.10.6
SETTING OF DIP SWITCHES
selection.
“Not used” means that the pin must not be changed.
A malfunction might occur if changed.
then set the position of dip switches. If the switches are set without
8.3.10.6.1 DIP Switch Setting of PCB1
(1) DSW1: Unit model setting
No setting is required.
Setting before shipment
(2) DSW2: Unit capacity setting
No setting is required.
(3) DSW3: Additional setting
(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.
(4) DSW4: Additional setting
Setting before shipment
044(2.0HP) 080(3.0HP)
Setting before shipment
ON: Cancel 70 alarm
(Water pressure abnormality)
Antifreeze settings
ON: Whole water cycle does antifreeze.
OFF: Only primary cycle does antifreeze.
Setting before shipment
7 8
Water pump forced ON
7 8
Auxiliary electric heater forced OFF
7 8
ON: Antifreeze setting is enabled
OFF: Antifreeze setting is disabled
7
8
7 8
DHW electric heater allowance setting
ON: DHW electric heater forced OFF
cancelling
OFF: DHW electric heater forced OFF
7
8
DHW 3-way valve forced ON
7 8
Air purge start
7 8
Water pump mode when Thermo OFF
OFF: Operate constantly
ON: Operate periodically
7
8
Manual emergency setting
ON: Manual emergency enabled
OFF: Manual emergency disabled
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.
(9) DSW9: Water module No. setting
No setting is required.
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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