TICA TIMS-X Series, Руководство по установке и эксплуатации

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54
Trial Operation
Before trial operation
Make sure to check:
● Installation

Whether the air conditioning unit can be securely fixed at the site.

Whether the place is well ventilated and large enough for maintenance.

Whether the number of IDUs connected to ODU is allowable.
● Wiring

Whether the insulation for the loop of main power supply is intact. Check
insulation status against national regulations.

Whether power cord and communication cable have allowable length.

Whether communication cable and power cord are connected correctly and
fastened securely.
● Piping

Whether refrigerant piping is dimensionally correct.

Whether refrigerant piping is correctly connected and has reasonable length.

Whether refrigerant piping and drainage pipe are insulated correctly.
● Code

Whether the codes for capacity of control panel for IDU and ODU, and for
addresses are correct and set with corresponding numbers (S1, S2 and S3...).
Trial operation

Open all the stop valves completely;

Connect the power supply:
Step 1: For initial
power-on, connect the
IDU and ODU power
supply to display CPHT
(the compressor is
warmed up). Start the
next operation 30 min
later.
Step 2:
Power off all
the wired
and remote
controllers of
the IDU.
Step 3: Set the
Qty. of IDUs
on the outdoor
electric control
board. Press
K2 and K3
simultaneously
to log in the
IDU address.

Communication check: Observe whether communication indicator light of the
ODU flashes regularly. The 4-digit eight-segment digital display shows the clock.
If the digital display shows malfunction, please check whether IDU and ODU
circuit board codes are right and communication line is correctly connected.