Hitachi YUTAKI S Series Technical Catalogue page 125

9 Electrical and control settings
Setting of DIP switches and RSW switches
9.6 Setting of DIP switches and RSW switches
9.6.1 Outdoor unit
RAS-(2/2.5/3)WHVRP and RASM-(2-3)VRE
9.6.1.1 Location of DIP switches and rotary switches
The PCB in the outdoor unit is operating with DIP switches and push switches. The location is as follows:
PCB1
PCB1
9.6.1.2 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.

DSW1: 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

DSW301: Test run mode
Setting before shipment
Test run for pump down
Test run for heating
Forced stoppage of compressor

DSW2: Optional Function setting
Factory setting
Optional function setting mode (The optional function
selection mode becomes available)
External output setting mode (The output signals
selection mode becomes available).
117 TCGB0123 rev.2 - 10/2019
PCB2
PCB2
9