Hitachi YUTAKI Serie Installations- Und Betriebshandbuch Seite 113

ELECTRICAL AND CONTROL SETTINGS
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DSW2: Piping length/selection function
Setting before shipment
Control to support existing pipes.
When using Ø19,05 gas pipe (soft-annealed), switch ON DSW2 pin 4 in
the outdoor unit PCB)
Optional function setting mode (The optional function selection mode
becomes available)
External input/output setting mode (The input / output signals selection
mode becomes available).
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DSW3: Capacity setting (No setting is required)
Factory setting
RAS-2WHVNP RAS-2.5WHVNP
RAS-4WHNPE RAS-5WHNPE
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DSW4 / RSW1: Refrigerant cycle number setting (Setting is required)
In case of using an H-Link II net it is required to set the refrigerant cycle number.
Setting for the tenth digit
(Factory setting)
Setting for the last digit
Set by inserting slotted screwdriver into the groove
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N O T E
Rotary switche's positions (RSW1) are set by inserting a screw driver into the groove.
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DSW5: End terminal resistance (No setting is required)
Before shipment, nº 1 pin of DSW5 is set at ON.
No setting is required.
Setting before shipment
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DSW6: Additional setting (No setting is required)
Setting before shipment
101 PMML0335A rev.1 - 04/2016
RAS-3WHVNP RAS-4WHVNPE
RAS-6WHNPE RAS-8WHNPE
RAS-5WHVNPE RAS-6WHVNPE
RAS-10WHNPE