Hitachi UTOPIA IVX STANDARD Serie Manual De Instrucciones página 25

ELECTRIC WIRING
10.2.1 Setting of DIP Switches for Outdoor Unit
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Quantity and Position of DIP Switches
The location is as follows:
RAS-(4-6)H(V)NC1E
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DSW1: For Test Run
Factory setting
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DSW2: Optional Function Setting
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 optional
function selection mode become available)
External input/output setting mode (The input
/ output signals selection mode becomes
avaliable).
15 PMML0395B rev.0 - 11/2015
All manuals and user guides at all-guides.com
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Factory setting
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Factory setting
(Setting for the ten digit).
Factory setting
(Setting for the last digit).
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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.
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For individual operation
(factory setting position)
For IVX series
ON
For simultaneous operation
1 2 3 4 5 6
DSW3: Capacity
RAS-4HVNC1E RAS-5HVNC1E
ON ON
1 2 3 4 5 6 1 2 3 4 5 6
RAS-4HNC1E RAS-5HNC1E
ON
ON
1 2 3 4 5 6
1 2 3 4 5 6
DSW4 / RSW1: Refrigerant Cycle No. Setting
DSW5: Transmission Setting of End Terminal
Resistance
DSW6: Optional function setting
RAS-6HVNC1E
ON
1 2 3 4 5 6
RAS-6HNC1E
ON
1 2 3 4 5 6
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