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4.5.2 Inspection before Start up
1) Mechanical Inspection:
a.
Check the cabinet and inside pipe system for possible damage during transportation.
b.
Check that the heating water circuit is filled and well vented. Check the pipe system for
leaks.
c. Check the Fan making sure it can move freely.
2) Electric System Inspection
a.
Check the power supply (voltage/frequency) matches the rating label and specification.
b.
Check all the electrical connections for loose or damaged wires due to transportation.
3) Pipe Inspection
a. Check all the valves, and water flow directions.
b. Check for any possible leaks inside or outside of unit.
c. Check the insulation of all the pipes.
4.5.3 Start up and Commissioning
a.
After the system inspection is finished, start up can begin.
b. Connect the power supply; switch on the isolator to turn on the heat pump.
c. The circulation pumps starts immediately. After 40 seconds, the fan motor starts. After
another 5 seconds, compressor starts.
d. Air is initially released from the hot water and venting may be necessary. If bubbling
sounds can be heard from the heat pump, the circulation pump or radiators the entire
system will require further venting. When the system is stable (correct pressure and all air
eliminated) the automatic heating control system can be set as required.
e. Check heating water inlet/outlet temperature difference after the system is stable.
f. Check the compressor exhaust and suction temperature.
g. Adjust the parameters according to different weather conditions and user requirements.
5 CONTROLLER
5.1 Electric Parts Control Program working theory
a) Compressor
•
After the compressor is shut down, it has a minimum interval of 3 minutes before the
next start up
•
The initial "power-up" does not require the protection of three minutes;
•
During defrost, compress on/off interval is based on the defrost parameters.
b) Start up / Shut down Cycle
•
When the heat pump switches on, the water circulation pump will start 40 seconds
before compressor and the fan will start 5 seconds before compressor.
Summary of Contents for FSH HP KING 12DC32
Page 1: ... 1 DC INVERTER MULTIFUNCTIONAL AIR TO WATER HEAT PUMP User Manual Model KING HEAT 6 9 12 18 ...
Page 14: ... 14 D 3X6 9 12 18 Installation Space Heating Cooling DHW ...
Page 15: ... 15 Solar Application 1 Solar Application 2 ...
Page 18: ... 18 4 4 1 System Diagram A P90 1 P65 1 B P90 0 P65 0 ...
Page 19: ... 19 4 4 2 Wiring Diagram KING HEAT 6 9 12 ...
Page 20: ... 20 KING HEAT 18 ...
Page 39: ... 39 6 2 System Drawing ...