Test Operation; Procedure And Outline - Daikin FCQ18PVJU Service Manual

SiUS28-902_a

1. Test Operation

1.1

Procedure and Outline

Follow the following procedure to conduct the initial test operation after installation.
1.1.1 Check Work Prior to Turn Power Supply On
Check the below items.
• Power wiring
• Control transmission wiring
between units
• Ground wire
Check on refrigerant piping
Check on amount of refrigerant
charge
1.1.2 Turn Power On
Turn outdoor unit power on.
Turn indoor unit power on.
Carry out field setting on
outdoor P.C.B.
Test Operation
Is the power supply single-phase 208-230V / 60Hz?
Have you finished piping to the drain?
Have you detached the transport brackets?
Is the wiring installed as specified?
Are the designated wires used?
Is the grounding work completed?
Use a 500V megger tester to measure the insulation.
• Do not use a megger tester for other circuits than 200-230V circuit.
Are the setscrews of the wiring tight?
Is the electrical component box completely covered with an
insulation cover?
Is pipe size correct? (The design pressure of this product is
478 psi.)
Are pipe insulation materials installed securely?
Liquid and gas pipes need to be insulated to prevent
condensation.
Are respective stop valves on liquid and gas lines fully open?
Is refrigerant charged up to the specified amount?
If insufficient, charge the refrigerant from the service port of the
stop valve on the liquid side with the outdoor unit in stop mode
after turning power on.
Has the amount of refrigerant charge been recorded on "Record
Chart of Additional Refrigerant Charge Amount"?
 Be sure to turn the power on 6 hours before starting operation to
protect compressors.
 Close outside panels of the outdoor unit.
Test Operation
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