Optional Functions - Hitachi RAS-2-HVNP Service Manual

4. Electrical wiring
DSW2: Pipe length setting (setting is required) / Optional function setting
Pipe length setting should be performed as
follows according to the on-site pipe length.
Cooling only
Control to support existing pipes
Optional function setting
External input/output setting mode
DSW3: Capacity setting (no setting is required)
Factory setting
RAS-2HVNP RAS-2.5HVNP
ON
ON
1 2 3 4 5 6
1 2 3 4 5 6
RAS-5HVN(P/C)E RAS-6HVN(P/C)E
ON
ON
1 2 3 4 5 6 1 2 3 4 5 6
RAS-6HN(P/C)E RAS-8HN(P/C)E
ON ON
1 2 3 4 5 6 1 2 3 4 5 6
94
SMGB0079 rev.0 - 01/2013
Setting before
shipment
Pipe length (≤5m)
Pipe length (≥30m)
ON
1 2 3 4 5 6
RAS-3HVNPE RAS-4HVN(P/C)E
ON
ON
1 2 3 4 5 6
1 2 3 4 5 6
RAS-4HN(P/C)E RAS-5HN(P/C)E
ON ON
1 2 3 4 5 6 1 2 3 4 5 6
RAS-10HN(P/C)E RAS-12HN(P/C)
ON ON
1 2 3 4 5 6
1 2 3 4 5 6