Hitachi HRNM Série Manuel D'installation page 42

ELECTRICAL WIRING
30
Dip Switches setting
Dip Switch Function
DSW1 Test Run
Piping length /
DSW2
Function selection
DSW3
DSW4
&
RSW1
DSW5 End resistance setting
Function selection for
DSW6
individual operation
JP1 Cut: Anual cooling mode.
JP4 Cut: Defrost condition change over.
JP5 Cut: Simultaneous Defrost prevention.
Before Shipment
Test Run for cooling
Test Run for heating
Enforced Compessor OFF
Before Shipment
Piping length
Function selection setting
External input/output selection
Capacity setting
Refrigerant cycle No. Setting
Setting before shipment
End Resistence is ON
Setting before shipment
Setting Remarks
ON
1 2 3 4
Continuous operation
ON
during 2 hours is per-
formed wihtout thermo
1 2 3 4
OFF
The 3 minutes guard for
ON
compressor protection is
not effective durig the
1 2 3 4
test run operation
ON
Compressor operation is
OFF dureing the operation.
1 2 3 4
ON
1 2 3 4 5 6
(6m~30m)
Initial expansion valve
ON
opening is changed
1 2 3 4 5 6
according to the piping
(0m~5m)
ON
1 2 3 4 5 6
(more than 30m)
Function selection is set
ON
by PSW
1 2 3 4 5 6
External input / output
ON
selection is set by PSW
1 2 3 4 5 6
No setting is required
ON
1 2 3 4 5 6
(8HRNM)
ON
1 2 3 4 5 6
(10HRNM)
ON
1 2 3 4 5 6
(12HRNM)
Setting for the ten digit
ON
1 2 3 4 5 6
Setting for the last digit
0
No setting is required.
How ever, for matching
ON
impedance set the DSW5
according to the quantity of
1 2
the outdoor units in the H-
link system
No setting is required
ON
1 2