Function Of Dip Switches And Rotary Switches - Hitachi YUTAKI Serie Installations- Und Betriebshandbuch

ELECTRICAL AND CONTROL SETTINGS

7.3.1.2 Function of DIP switches and rotary switches

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N O T E
• The mark "■" indicates the position of dips switches.
• No mark "■" indicates pin position is not affecting.
• The figures show the settings before shipment or after selection.
!
D A N G E R
Before setting dips switches, first turn the power source off and then set the position of the dips switches. In case of setting the switches
without turning the power source off, the contents of the setting are invalid.
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DSW301 (Only RAS-(2/2.5)WHVNP): Test run mode
Setting before shipment
Test run for pump down
Test run for heating
Forced stoppage of compressor
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DSW1 (Only RAS-(2/2.5)WHVNP): No setting is required
When set pin number 1 to ON, the electric current
detection is cancelled. Pin number 1 should be set
back to OFF after electrical work
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DSW1 (RAS-(3-10)WH(V)NPE): For Test run
Factory setting
Test run for pump down
Test run for heating
Test run for cooling intermediate season
Test run for heating for intermediate season
Forced stoppage of compressor
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N O T E
• This operation is reset once the compressor is in Thermo-ON mode.
• During the test run operation the units will operate continuously during 2 hours without Thermo-OFF and the 3-minute guard for compressor
protection will be effective.
• Test run will start within 20 seconds after setting DSW1 pin 1 to ON position.
100 PMML0335A rev.1 - 04/2016