Hitachi UTOPIA IVX PREMIUM Manual De Instrucciones página 24

ELECTRIC WIRING
10.2.1 Setting of DIP Switches for Outdoor Unit

Quantity and Position of DIP Switches
The location is as follows:

DSW1: For Test Run
Factory setting

DSW2: Optional function setting and piping
lenght
Factory setting
Piping length ≤ 5m
Piping lenght ≥ 30m
Control to support existing pipes or when
using Ø19,05 gas pipe (soft-annealed), switch
ON DSW2 pin 4 in the outdoor unit PCB
Optional function setting mode (The
optionalfunction selection mode become
available)
External input/output setting mode (The input
/ output signals selection mode becomes
avaliable).
14 PMML0397B rev.0 - 11/2015 - P5416650

DSW3: Capacity
Factory setting
RAS-12HN(P/C)E

DSW4 / RSW1 Refrigerant cycle number setting
Factory setting
(Setting for the ten digit).
Factory setting
(Setting for the last digit).

DSW5: Transmission setting of end terminal
resistance
Factory setting
Cancellation
In the case that the outdoor units quantity in the same H-LINK
is 2 or more, set No. 1 pin of DSW5 at "OFF" side from the 2nd
refrigerant group outdoor unit. If only one outdoor unit is used,
no setting is required.

DSW6: Optional function setting
For individual operation
(factory setting position)
For simultaneous operation
ON
1 2 3 4 5 6
0