Trial Run; Maintenance - EAS Electric EBP-06W/1 Owner's Manual And Installation Instructions

9. TRIAL RUN

CAUTION
Trial run the unit after being powered up for over 12 hours.
Check that all valves are opened before trial run.
Check the electric safety before trial run.
Do not perform compulsory operation. (It is very dangerous if
the protection device is not active.)
1)
Trial run is top performed only after all installation is finished.
2)
Confirm the following insure before operation, and tick
box after confirmation.
The water heating units is installed correctly.
The piping and wiring are correct.
The accessories are installed correctly.
The heat insulation is perfect.
The ground wire is connected correctly.
The supply voltage is consistent with the rated
voltage of the unit.
The air inlet and outlet of the unit is free from obstacles.

10. MAINTENANCE

Before asking for serving or repairing, check the following points:
condition
White aerosol or globule is
give out.
Normal
Make sound of "hiss" every
operation
now and then.
Stop operation or start up
automatically
Please check
that again
No operate
Inefficient heating
In case of following malfunctions, please cut off the manual power switch and contact the local dealer or after sale service centre:
The fuse was burnt out frequently or the earth leakage protective device was broken up frequently.
Only the red indication lamp will be flashed.
3)
Trial run
Check whether the switch of the controller is normal.
Check whether the functional keys of the controller are normal.
Check whether the indicators illuminate normally.
Check whether the manual operation buttons are normal.
Check whether the water heating operation is normal.
Check whether the outlet water temperature is normal.
Check for excessively noise during operation.
Check whether refrigerant leakage.
The water heating units have self-protecting function, when
power is supplied. If the unit is started or restarted instantly
after it just has stopped, compressor will delay action until 3
minutes later.
Air supply motor stop automatically to defrost.
At the beginning and the end of the defrost process, sound is give out in motor valve .
During the process or just after having stopped, sound like water flow occur, which will be
amplified at the first 2~3 minutes, this is caused by process of refrigerant current or water.
Slight "hiss" is caused by heat exchanger as temperature changes. The sound give out
because of heat expands and cold contracts of heat exchanger.
Check the timer whether it is correctly set.
Detect antifreezing mode is operating.
Whether the power is cut.
Whether the manual power supply switch is off.
Whether fuse is broken.
Whether the protection device works.(Operation lamp is lightened.)
Whether it is the time set.(Operation lamp is lightened.)
Whether the inlet and outlet of heat pump units is blocked.
NOTE
NOTE
Cause
Table 10-1
14