Air-to-water Heat Pump
40
20 Debugging Operation of Unit
20.1 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 repair persons.
Confirm together with the sales engineer, dealer, installing contractor and customers forthe following items
having been finished or to be finished.
No.
Confirmation of Installation
√
1
If the contents of Application for Installation of this Unit by Installer are real. If not, debugging
will be refused.
□
2
If there is written notice in which amend project is shown to the installer in
respect of unqualified installation.
□
3
If Application for Installation of unit by Installer and Debugging list are filed
together.
□
No.
Pre-check
√
1
If appearance of the unit and internal pipeline system is ok during conveying, carrying or
installation.
□
2
Check the accessories attached with the unit for quantity, package and so on.
□
3
Make sure there is drawings in terms of electricity, control, design of pipeline and so on.
□
4
Check if installation of the unit is stale enough and there is enough space for operation and
repair.
□
5
Completely test refrigerant pressure of each unit and perform leakage detection of the unit.
□
6
Check if water tank is installed stably and its bearing is safe upon it is full.
□
7
Check if heat insulating measures for the water tank, outlet/inlet pipes and water replenishing
pipe are proper.
□
8
Check if nilometer of water tank, water temperature indicator, controller, manometer, pressure
relief valve and automatic discharge valve etc. are installed and operate properly.
□
9
Check if power supply accords with the nameplate and model of power cord conform to
applicable requirements.
□
10
Check if power supply and control wiring is connect properly according to wiring diagram,
earthing is safe and each terminal is stable.
□
11
Check if connection pipe, water pump, manometer, thermometer, valve etc. are installed
properly.
□
12
Check if each valve in the system is open or closed according to requirements.
□
13
Confirm that the customers and inspection personnel of Part A are at site.
□
14
Installation Check-up Table is completed and ask installing contractor’s signature for consent.
□
Attention: If the items with ×, please notify the contractor .The above items are recommended.
Confirmed Items after pre-checking
General Evaluation: Debugging □ Amendment □
Judge the following items (if there is not any filling, qualification will be regarded.)
a: Power supply and electric control system b: Loading calculation
c: Heating problems of Unit d: Noise problem
e: Pipeline problem f: Others
Normal debugging work can’t be performed unless all installation items are qualified. If problem,
it must be solved firstly. All costs will be installer’s responsibility for delay of debugging and re-
debugging incurred by any problem which is not solved immediately.
Submit schedule of amending reports to installer.
If provide written amending report to installer which should be signed after communication.
Yes ( ) No ( )
