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2.3
System test
○○○○
1Checking items before test run of system
1)
、
Seal test to make sure system is well sealed.
2)
、
Power source checking to make sure required voltage and current are available.
3)
、
Pressure inside hydraulic circle reaches to operating pressure
（
1-3
）
kgf/cm
2
。
4)
、
Make sure hydraulic system inside is clean and no jam.
5)
、
make sure hydraulic circle is fully filled with water and no air inside.
6)
、
Check to make sure all valves are switched on, well thermal isolated.
7)
、
Make sure all electrical wires are connected correctly according to wiring instruction, and wiring
screws are driven properly.
8)
、
Exhaust the air inside hydraulic circle by manual drain cock in hydraulic tube and drain cock on the
water pump.
9)
、
Check if there is visual damage caused during transportation.
10)
、
make sure all wiring correct.
②
②
②
②
Commissioning
1)
、
Make sure all above checking items are passed.
2)
、
Open controller cover, then connect the power source wires. If the power source is three phases, check
the phase order immediately. Red lamp on controller board will light while phase order is correct. Check if
water pump works smoothly. If there is scream from water pump, it means there is air inside the water
circle. In this case, stop the machine and exhaust air inside water circle. Then start machine again. The
compressor will start to run 3 minutes after the system is switched on. Check if compressor run at right
direction.
3)
、
Check if there is unusual noise from system by listening. If there is, switch off the machine and check
system. If no unusual noise, let system running.
