Hitachi UTOPIA IVX STANDARD Series User Manual

ENGLISH
10.2.1 Setting of DIP Switches for Outdoor Unit

Quantity and Position of DIP Switches
The location is as follows:
RAS-(4-6)H(V)NC1E

DSW1: For Test Run
Factory setting

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)
1 2 3 4 5 6
ON
External input/output setting mode (The input
/ output signals selection mode becomes
avaliable).

DSW3: Capacity
Factory setting
RAS-4HVNC1E RAS-5HVNC1E RAS-6HVNC1E
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
RAS-4HNC1E RAS-5HNC1E RAS-6HNC1E
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON

DSW4 / RSW1: Refrigerant Cycle No. Setting
Factory setting
(Setting for the ten digit).
Factory setting
(Setting for the last digit).
0
9
8
7
6
5
4
3
2
1

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 IVX series
For simultaneous operation
ELECTRIC WIRING
PMML0395B rev.0 - 11/2015
15

Hitachi UTOPIA IVX STANDARD Series Specifications

General

Brand	Hitachi
Model	UTOPIA IVX STANDARD Series
Category	Air Conditioner
Language	English