Hitachi RAS-5HVRNM1E Service Manual page 99

4 Electrical Wiring
DSW2: Piping length/selection function
Setting before shipment
Piping length
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
DSW3: Capacity setting
Unit Setting position
RAS-2HVRN1E
RAS-2.5HVRN1
RAS-3HVRNS
DSW4 / RSW1: Refrigerant cycle setting
In case of using an H-Link II net it is required to set the refrigerant cycle number.
Setting for tens
(second digit)
Example for 16
Rotary switches positions (RSW1) are set by inserting a screw driver into the groove.
91
SMGB0060 rev. 1- 12/2010
Function
5 m < Lt
Lt > 30 m
5 m < Lt < 30 m
Unit Setting position
RAS-4HVRNS1E
RAS-5HVRNS1E
RAS-6HVRNS1E
Setting position
(DSW4)
Unit
RAS-8HRNSE
RAS-10HRNSE
—
Setting for units
(first digit)
and
Setting position
4
Setting position
—
Setting position
(RSW1)