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ELECTRIC WIRING
DSW4: test run and service settings
Setting required
setting before
Cooling test run
shipment
ON
1 2 3 4 5 6
DSW5: emergency operation
Setting not required
setting before shipment
ON
1 2 3 4 5 6
DSW6: setting outdoor unit number / function setting
Setting required
Module configuration before shipment
Turn ON the dip switch when use the below functions.
setting item
Outdoor unit number setting
Cooling operation under low load operation (low ambient setting)
?
n o t e
The combination setting is necessary in outdoor units consisting of multiple modules. Be sure to perform this setting.
DSW7: supply voltage setting and system setting
Setting before shipment (400 V)
?
n o t e
•
Pin 4 OFF: HEAT PUMP SYSTEM
•
Pin 4 ON: HEAT RECOVERY SYSTEM
42
PMML0479 rev.4 - 11/2018
Heating test run
ON
ON
1 2 3 4 5 6
1 2 3 4 5 6
Compressor number 1 excluded from
forced compressor
stoppage
ON
1 2 3 4 5 6
operation
ON
1 2 3 4 5 6
Combination of base unit (*)
Unit a (nº 0)
Unit B (nº 1)
Pin number
The outdoor unit is not single, the combination setting is
1,2,3
4
Make sure to apply snow protection hood (field-supplied)
external input/
function setting
output setting
ON
ON
1 2 3 4 5 6
Compressor number 2 excluded from
operation
ON
1 2 3 4 5 6
Unit C (nº 2)
Unit D (nº 3)
important notice
necessary. Be sure to do this setting.
1 2 3 4 5 6
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