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Installation
8.3.10.6.2 DIP Switch Setting of PCB7
(1) DSW1: Unit model setting
No setting is required.
Setting before shipment
(2) DSW3: Unit capacity setting
No setting is required.
(3) DSW6: Refrigeration system No. setting
Setting is required. Use binary encoding method.
044(2.0HP) 080(3.0HP)
Setting before shipment
Setting before shipment
Max No.63 are available to set when all the equipment are
connected to corresponding H-NET.
Ex.) Set refrigeration system no. as 8.
8.4.11 TEST RUN
8.4.11.1
CHECKLIST BEFORE TEST RUN
Do NOT operate the system before the following checks are
OK:
You have read the complete installation instructions of the
unit and master controller carefully.
The unit is properly mounted.
this document and the applicable legislation:
The system is properly earthed and the earth terminals are
tightened.
The fuses or locally installed protection devices are
installed according to this document, and have NOT been
bypassed.
The power supply voltage matches the voltage on the
Nameplate of the unit.
There are NO loose connections or damaged electrical
components in the electrical box.
There are NO damaged components or squeezed pipes
on the inside of the units.
Only for DHW tank with electric heater:
Temperature protection switch (Auto restore) has been
already wired.
Temperature protection switch / Temperature fuse has been
already wired.
There are NO refrigerant leaks.
The water pipes are thermally insulated.
There is NO water leakage inside the unit.
The air purge valve is open (at least 2 turns).
The safety valve purges water when open.
The minimum water volume is guaranteed in all conditions.
See section 8.3.9.2.
The unit starts only when all check points are cleared up.
Pay attention when system is running:
(A) Do not touch any parts of discharge pipelines, because the
discharge temperature of compressor can be more than
90°C.
(B) Do not press AC contactor button, otherwise serious
accident may be caused.
Do not touch any electrical components within 10 minutes after
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