4. TRIAL-RUNNING
Emptying
4.1 Water effusion before operation
After emptying, please replace the nut of
drainpipe.
Before using this unit, please follow the steps below.
Water Effusion: If the unit is used for the first time or used again after
emptying the tank, please make sure that the tank is full of water
before turning on the power.
Close
Method: see
Fig.4-1
Drainpipe shut-off valve
Open the cool water inlet valve and the hot
water outlet valve.
Open
Open
Fig.4-2
Cool water inlet
Hot water outlet
Water Effusion
4.2 Trial- running
4.2.1 Checking list before commissioning.
1) Checking list before trial-running.
When water flows out from the water
outlet, the tank is full. Turn off the hot water
outlet valve and water effusion is finished.
2) Correct installation of the system.
3) Correct connection of water/air piping and wiring;.
4) Condensate draining smoothly well insulation work for all
hydraulic part.
Close
Hot water outlet
5) Correct power supply.
6) No air in the water pipeline and all valves opened.
7) Effective electric leakage protector installation.
8) Sufficient inlet water pressure (between 0.15MPa and 0.65MPa).
Water out
Fig.4-1
4.2.2 About Running
CAUTION
1) System Structure Figure
Unit has two kinds of heat sources: heat pump(compressor)
and electric heater.
Unit will automatically select heat sources to heat water to the
target temperature.
Operation without water in water tank may result in the
damage of auxiliary e-heater. Due to such damage,
manufacturer will not be liable for any damages caused by
this issue?
Water outlet
Temperature sensor(T5U)
After powered on, the display lights up. Users can operate the
unit through the buttons under the display
Temperature sensor(T5L)
Electric heater
Emptying: If the unit needs cleaning, moving etc, the tank
should be emptied.
Method: See Fig.4-2:
Tank
Water inlet
Close the cool water inlet valve, open the hot
water outlet valve and open drainpipe.
Open
Fig.4-3
Close
Hot water outlet
2) Water Temperature Display
The temperature shown on the display depends on the upper
sensor. So it is normal that the display temperature has reached
to target temperature but compressor still running, because the
lower water temperature does not get to target temperature.
Open
Cool water inlet
Drainpipe shut-off valve
Installation & Owner‘s Manual
10
Содержание COMPAK KHP 15/190 ACS1
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