Gree D Series - Page 47

D Series Modular Air-cooled Scroll Chillers
42
Appendix B: Trial Run and Commissioning Records
Trial Run
Pre-start
Water
system
Direction Water temp Su󰀩cient air discharge (Y/N)
Flow rate
(T/h)
Full load (Y/N)
90% ow rate Ambient temp (
℃
)
Startup Start current (A) Startup state (Normal/Abnormal)
10min after
startup
Hi-pressure Low-pressure
Chilled water (
℃
)
Entering
System I Leaving
System
Ⅱ
Entering air temp.
30min after
startup
Hi-pressure Low-pressure
Chilled water (
℃
)
Entering
System I Leaving
System
Ⅱ
Running state
Troubleshooting
Commissioning
Flow control Final ow rate (T/h)
Entering water temp (
℃
)
Nominal value: 12/7
℃
Unloading state
System I leaving water
temp at shutdown (
℃
)
1st downtime (min)
Leaving water temp at 2nd
startup
(
℃
)
2nd downtime (s)
System
Ⅱ
leaving water
temp at shutdown (
℃
)
Runtime (s) Vacuuming time (s) 5s
Unloading state
System I leaving water
temp at shutdown (
℃
)
1st downtime (min)
Leaving water temp at 2nd
startup
(
℃
)
2nd downtime (s)
System
Ⅱ
leaving water
temp at shutdown (
℃
)
Runtime (s) Vacuuming time (s) 5s
Delivery Operation training Precautions Emergency stop Special service
Conclusion