Hitachi RAS-(4-6)HVRNS2E - DSW2: Piping Length;Selection Function; DSW3: Capacity Setting; DSW4; RSW1: Refrigerant Cycle Setting

4 Electrical Wiring
86
SMGB0064 rev.0 - 08/2011
DSW2: Piping length/selection function
Function
Setting position
RAS-(4-6)H(V)RNM2E
RAS-3HVRNM2E
RAS-(8-12)HRNM
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-(4-6)H(V)RNM2E: pin 3 is OFF)
Cancellation of outdoor air temperature control.
(RAS-(4-6)H(V)RNM2E: pin 4 is OFF)
Optional function selection setting (set by PSW)
External input/output selection signals (set by PSW)
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
RAS-8HRNM
RAS-3HVRNM2E — —
RAS-10HRNM
RAS-4HVRNM2E RAS-4HRNM2E
RAS-12HRNM RAS-5HVRNM2E RAS-5HRNM2E
— — RAS-6HVRNM2E RAS-6HRNM2E
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 switche’s positions (RSW1) are set by inserting a screw driver into the groove.