Hitachi FSXN1E Series, Installation And Operation Manual

Page: 79 / 756

DSW1, RSW1: refrigerant cycle number setting
DSW1, RSW1: setting example for refrigerant cycle number 25
Maximum refrigerant cycle number setting:
63
DSW2: capacity setting
Setting not required
RAS-FSXN1E
8HP 10HP 12HP
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
14HP 16HP
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
RAS-FSXNH(E)
5HP 6HP 8HP
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
10HP 12HP
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
DSW3
Setting not required
DSW4: test run and service settings
Setting required
Setting before shipment Cooling test run
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
Heating test run Forced compressor stoppage
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
DSW5: emergency operation /test run and service setting
Setting not required.
Setting before
shipment
Except No.1
compressor
operation
Except No.2
compressor
operation
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
Monitoring of
refrigerant quantity
High static
pressure mode
Longer pipe
>70/ ≤ 90 (*)
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
1 2 3 4 5 6
ON
N O T E
High static pressure mode setting:
• In the case of combination of the outdoor units (RAS-18FSXN1E to
RAS-54FSXN1E and RAS-14FSXNH(E) to RAS-36FSXNH(E)),
set this function for all the outdoor units.
• (*) Available only for base units RAS-(5-12)FSNXH and RAS-(8-
16)FSXN1E.
DSW6: setting outdoor unit number
Setting required
Base unit before shipment Combination of base unit (*)
Unit A (No. 0) Unit B (No. 1)
Unit C (No. 2) Unit D (No. 3)
N O T E
• The combination of outdoor units must be set.
• (*) For FSXN1E: Unit A - D. For FSXNH(E): Unit A - C.
DSW7: supply voltage setting
Setting not required
DSW10: communication setting
Setting required.
•
A: setting before supply:
•
B: cancellation of final resistance.
(*)
(*) If the comunication circuit fuse has opened, the PCB1 board
can only be recovered by activating contact 2.
DSW10: switch setting example
1 2
DSW10
1 2 1 2 1 2 1 2 1 2 1 2
A B A B C
H-LINK
H-LINK II
H-LINK
H-LINK II
H-LINK
H-LINK II
H-LINK
H-LINK II
DSW10 DSW10 DSW10 DSW10 DSW10 DSW10
D D D D D D D D D D
E E E E E E E E E E
A. Main unit.
B. Secondary unit.
C. Secondary unit.
D. Indoor units.
E. Remote control.
N O T E
• Where two or more outdoor units are connected using the
H-LINK or H-LINKII, DSW10 contact 1 on the master or main
unit must be set to OFF from the second refrigerant group of
outdoor units.
• If only one unit is installed, the setting is not necessary.
65 PMML0294A rev.2 - 07/2014
Electrical wiring
ENGLISH
PMML0294A_rev.2_02-2014.indb 65 14/07/2014 12:28:39