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Setting
8. Test Run
system.
(A) Check and confirm Ref. pipe system and
communication wire link to same Ref. cycle
(D) Check to ensure that the switch on the
(C) Check to ensure that the stop valves of
(B) Check to ensure that the electrical
Resetting
Test run should be performed according to the
Table 8.1 on page 26. Use the Table 8.2 on
page 28 for recording test run.
● Do not operate the system until all the check
points have been cleared.
resistance is more than 1 megohm, by
measuring the resistance between
ground and the terminal of the electrical
parts. If not, do not operate the system
until the electrical leakage is found and
repaired.
the outdoor unit are fully opened, and
then start the system.
main power source has been ON for
more than 12 hours, to warm the
compressor oil by the oil heater.
● Pay attention to the following items while
the system is running.
(A) Do not touch any of the parts by hand at
the discharge gas side, since the
compressor chamber and the pipes at
the discharge side are heated higher
than 194
o
F (90
o
C).
(B) DO NOT PUSH THE BUTTON OF THE
MAGNETIC SWITCH(ES). It will cause a
●
Terminal Resistor Setting
Shipment
Resetting
Setting Terminal Resistor
DSW5
Setting
25
Before shipment, No.1 pin of DSW5 is set at the
“ON” side. In the case that the outdoor units
quantity in the same H-NET is 2 or more, set No. 1
pin of DSW5 at the “OFF” side from the 2nd
refrigerant group outdoor unit. If only one outdoor
unit is used, no setting is required.
confirm their Ref. cycle and connect wire joint to
same Ref. cycle system.
serious accident.
● Do not touch any electrical components
within ten minutes after turning OFF the
main switch.
● Operate eery indoor unit one by onechec and
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