4.1 Water affusion before operation
4. TRIAL-RUNNING
Water Affusion
Hot water outlet
Close
Water out
When water flows out from the water outlet,
the tank is full. Turn off the hot water outlet
valve and water affusion is finished.
Open
Open the cold water inlet valve and the hot
water outlet valve.
Cold water inlet
Hot water outlet
Open
Before using this unit, please follow the steps below.
Water Affusion: 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.
Running Temperature Range
Setting water temperature target range: 38~70ºC.
Electrical heater running ambient temperature range: -20~47ºC.
Water temperature limits:
4.2 Trial- running
Checking list before trial-running.
Correct installation of the system.
Correct connection of water/air piping and wiring.
Condensate draining smoothly well insulation work for all
hydraulic part.
Correct power supply.
No air in the water pipeline and all valves opened.
Effective electric leakage protector installation.
Sufficient inlet water pressure (between0.15MPa and 0.65MPa).
4.2.1 Checking list before commisionning.
Emptying
Drainpipe shut-off valve
Close
After emptying, please replace the nut of
drainpipe.
Close
Open
Drainpipe shut-off valve
Open
Cold water inlet
Close the cold water inlet valve, open the hot
water outlet valve and open drainpipe.
Hot water outlet
CAUTION
After powered on, the display lights up.
Users can operate the unit through the
buttons under the display.
Emptying: If the unit needs cleaning, moving
etc, the tank should be emptied.
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.
1)
2)
3)
4)
5)
6)
7)
8)
Heat source will be automatically selected by unit. But manually
E-Heater operation is available.
3)
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.
Water Temperature Display
The temperature shown on the display depends on the maximum
of
the upper sensor and the lower sensor.
4.2.2 About Running
1)
2)
Tank
Temperature sensor(T5U)
Electric heater
Water inlet
Water outlet
Temperature sensor(T5L)
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