Chapter Ⅲ Debugging and Operation（3. Pre-debugging Preparations）
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2）Check if the insulation measure of water tank is sufficient. If the insulation measure of
water inlet pipe, water outlet pipe and water supplementary pipe is sufficient.
3）Check if the water tank water level switch, temperature sensor, controller, pressure meter,
pressure relief valve, auto discharge valve, etc. are installed properly. If they can work properly.
4）Check if each connection pipe, water pump, pressure meter, temperature meter, valve, etc.
are installed properly.
3.3.2 Check for electrical system
1）Confirm if the current installation location has the engineering diagrams for electrical and
control, etc.
2）If the power supply accords with the product nameplate. Does the electric wire model
comply with related requirements?
3）If all power supply and control wires are connected properly? If the wires are connected
properly according to wiring diagram? If the unit is grounded sufficiently? If all wiring terminals are
connected reliably?
4）Is the phase sequence of main power supply correct? If not, please correct phase
sequence according to the instruction manual.
5）Check the insulation resistance of each phase to ground and between each phase with
universal meter.
3.3.3 Check for main unit location
1）The main unit shall be installed in a sufficient space with good ventilation and smooth air
inlet and air outlet.
2）There should be discharge ditch or discharge outlet nearby the installation position of the
unit for convenient drainage.
3）Installation foundation or support shall be firm enough to ensure stable operation of unit.
4）The unit shall be level after installation.
3.3.4 Check for water tank installation location
1）The installation location shall be strong enough to withstand the weight of water tank.
2）The drainage port of water tank shall be near the discharge ditch or discharge outlet.
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