46
A Series Inverter Modular Air-cooled Chiller (Heat Pump)
Appendix A: Inspection records prior to commissioning
Installation
LocationM in. distance from barriers
>2m (Ref.)
Foundation (concrete/steel frame) Shock absorber
ArrangementH ighest point and lowest point >3m (Ref.)
Routine check
Chilled water
pipeline
Water
pump flow
Shutoff valve (On/Off) Drain valve (On/Off) Filter (On/Off) Air release valve (On/Off)
Inlet
Pressure gauge Thermometer
Flow switch
state
Insulation
state
Shutoff valve stat e
Flushing times Water quality
InletO utlet
Load FCU
Air supply
outlet
Air
discharge
state
Air conditioning space
insulation stat e
Refrigeration load
Voltage fluctuation
state
Power supply
Supply voltage
(V)
Allowable range 380~415V %
Interphase insulation resistance
Phase-ground insulation resistance
Rab
Rac
Rag
1
1
Insulation of the
whole unit (main air
switch)
Interphase insulation resistance
P hase-ground insulation resistance
R12
R13 R1g
1
1
Insulation of
the compressor
(terminal block)
Interphase insulation resistance
Phase-ground insulation resistance
R12 R13 Min. allowable value R1g
R3g
1 1
Refrigeration
system
Repair
brazing
Vacuuming
(MPa)
Max.
allowable
value
0.0080MPaD uration (min)
System I balance
pressure(Mpa)
System
balance
pressure (MPa )
Ambient temp
(°C)
Control and
protection devices
Power supply monitor
(3Ph)
Leaving water temp (°C)
Vacuuming stop tim e
SetpointS etpointD eviation
380~415V
5s
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