Hitachi RAS-(4-6)HVRNS2E - Page 101

4 Electrical Wiring
91
SMGB0064 rev.0 - 08/2011
4
DSW2: Piping length/selection function
Function Setting position
Setting before shipment
Piping length
5 m < Lt
Lt > 30 m
5 m < Lt < 30 m
Cancellation of outdoor hot start control.
(Not recommended, only available for special testing cases )
RAS-(2/6)HVRN(1)(S)(E)
Cancellation of outdoor air temperature control.
Optional function selection setting (set by PSW)
ON: set
OFF: no set
External input/output selection signals (set by PSW)
ON: set
OFF: no set
C A U T I O N
• The cancellation of the outdoor hot start control conguration could damage the compressor if it is usually
used. In that case the unit warranty will be void.
DSW3: Capacity setting
Unit Setting position Unit Setting position Unit Setting position Unit Setting position
RAS-2HVRN2
RAS-4HVRNS2E RAS-4HRNS2E RAS-8HRNSE
RAS-2.5HVRN2 RAS-5HVRNS2E RAS-5HRNS2E RAS-10HRNSE
RAS-3HVRNS2 RAS-6HVRNS2E RAS-6HRNS2E — —
DSW4 / RSW1: Refrigerant cycle setting
In case of using an H-Link II net it is required to set the refrigerant cycle number.
Setting position
(DSW4)
Setting position (RSW1)
Setting for tens
(second digit)
Setting for units
(rst digit)
Example for 16 and
Rotary switches positions (RSW1) are set by inserting a screw driver into the groove.