Commissioning - Gree HLR8Pd/Na-K Owner's Manual

Mini Chiller

18 Commissioning

18.1 Check before startup
For safety of users and unit, the unit must be started up for check before debugging. The
procedures are as below:
The following items shall be performed by qualified service men.
Confirm together with the sales engineer, dealer, installing contractor and customers for the following items
finished or to be finished.
No.
If the contents of Application for Installation of this Unit by Installer are real. If not, debugging
1
will be refused.
Is there written notice in which amendment items are shown in respect of unqualified
2
installation?
3 Are Application for Installation and Debugging list filed together?
No.
Is appearance of the unit and internal pipeline system ok during conveying, carrying or
1
installation?
2 Check the accessories attached with the unit for quantity, package and so on.
3 Make sure there are drawings in terms of electricity, control, design of pipeline and so on.
Check if installation of the unit is stable enough and there is enough space for operation and
4
repair.
5 Completely test refrigerant pressure of each unit and perform leakage detection of the unit.
Does power supply accord with the nameplate? Do power cords conform to applicable
6
requirements?
Is power supply and control wiring connected properly according to wiring diagram? Is
7
earthing safe? Is each terminal stable?
8 Are connection pipe, water pump, manometer, thermometer, valve etc. are installed properly?
9 Is each valve in the system open or closed according to requirements?
10 Confirm that the customers and inspection personnel of Part A are at site.
11 Is Installation Check-up Table completed and signed by the installation contractor?
Attention: If there is any item marked with ×, please notify the contractor. Items listed above are just for
reference.
General Evaluation: Debugging □
Judge the following items (if there is not any filling, qualification will be regarded.)
a: Power supply and electric control system
c: Heating problems of Unit
e: Pipeline problem
Normal debugging work can't be performed unless all installation items are qualified. If there is any
problem, it must be solved firstly. The installer will be responsible for all costs for delay of debugging
and re-debugging incurred by any problem which is not solved immediately.
Submit schedule of amending reports to installer.
Is the written amending report which should be signed after communication provided to installer?
Yes ( )
Confirmation of Installation
No ( )
Pre-check
Amendment □
b: Loading calculation
d: Noise problem
f: Others
31
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