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ELECTRICAL AND CONTROL SETTINGS
8.5.1 Location of DIP switches and rotary
switches in PCB3
8.5.2 Function of DIP switches and rotary
switches
?
N O T E
•
The mark "■" indicates the dip switches positions.
•
No mark "■" indicates pin position is not affected.
•
The figures show the settings before shipment or after selection.
•
"Not used" means that the pin must not be changed. A malfunction
might occur if changed.
!
C A U T I O N
Before setting dip switches, first turn the power supply OFF and then set
the position of dip switches. If the switches are set without turning the
power supply OFF, the contents of the setting are invalid.
DSW1: Additional setting 0
Factory setting. No setting is required.
Factory setting
?
N O T E
In case of installing the "Cooling kit" accessory, set the pin 4 of DSW1 to
ON in order to enable the cooling operation.
10
PMML0345A rev.1 - 08/2016
DSW2: Model capacity setting
DSW2 setting is required in order to match the model of the
YUTAKI M of the installation. All pins of DSW2 are ON factory
set.
Factory setting
RASM-3.0
RASM-4.0
VNE
(V)NE
DSW3: Additional setting 1
Factory setting
1-step heater for 3-phase unit
DSW4: Additional setting 2
Factory setting
(Remote control box-Mirror function)
DHW defrost
Heater forced OFF
Unit and installation pipes antifreeze
protection
Standard / ECO water pump operation
Electric heater or boiler emergency mode
DHW tank's heater operation
DHW 3-way valve forced ON
!
C A U T I O N
•
Never turn all DSW4 dip switch pins ON. If this happens, the software
of the unit will be deleted.
•
Never activate "Heater Forced OFF" and "Electric heater or boiler
emergency mode" at the same time.
RASM-5.0
RASM-6.0
(V)NE
(V)NE
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