CLIVET WSAN-YMi 21, Руководство по установке, использованию и обслуживанию

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109
ERROR
CODE
MALFUNCTION OR PROTECTION FAILURE CAUSE AND CORRECTIVE ACTION
P4
High discharge temperature
protection.
1. The same reason to P1.
2. System is lack of refrigerant volume. Charge the refrigerant in right volume.
3. TW_out temp sensor is loosen Reconnect it..
4. T1 temp sensor is loosen. Reconnect it.
5. T5 temp sensor is loosen. Reconnect it.
P5
High Temperature difference
protection between water inlet and
water outlet of the plate heat
exchanger.
1. Check that all shut off valves of the water circuit are completely open.
2. Check if the water filter needs cleaning.
3. Refer to chapter WATER CONNECTIONS - Charging water"
4. Make sure there is no air in the system (purge air).
5. Check on the manometer that there is sufficient water pressure. The water
pressure must be >1 bar(water is cold).
6. Check that the pump speed setting is on the highest speed.
7. Make sure that the expansion vessel is not broken.
8. Check that the resistance in the water circuit is not too high for the pump.
(refer to START-UP AND CONFIGURATION - Setting the pump speed).
P6
Module protection
1. Power supply voltage of the unit is low, increase the power voltage to the
required range.
2. The space between the units is too narrow for heat exchange. Increase the
space between the units.
3. Heat exchanger is dirty or something is block on the surface. Clean the heat
exchanger or remove the obstruction.
4. Fan is not running. Fan motor or fan is broken, Change a new fan or fan
motor.
5. Over charge the refrigerant volume. Recharge the refrigerant in right
volume.
6. Water flow rate is low, there is air in system, or pump head is not enough.
Release the air and reselect the pump.
7. Water outlet temp sensor is loosen or broken, reconnect it or change a new
one.
8. water tank heat exchanger is smaller than the required 1.7m
2
.(10-16kW
unit) or 1.4m
2
(5-9kW unit).
9. Module wires or screws are loosen. Reconnect wires and screws.
10. The Thermal Conductive Adhesive is dry or drop.Add some thermal
conductive adhesive.
11. The wire connection is loosen or drop. Reconnect the wire.
12. Drive board is defective, replace a new one.
13. If already confirm the control system has no problem, then compressor is
defective, replace a new compressor.
P9
DC fan motor protect Contact your local dealer