Bedienungsanleitung Kaysun KWF-140 HT ACS (Seite 34 von 38) (Englisch)

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Before repair and maintenance, ensure that the hydro module is powered off.

8 MAINTENANCE

● Water pressure

Check if the water pressure is above 0.3 bar. Add water if necessary.

● Water lter

Clean the water lter. ● Water pressure relief valve

Check for correct operation of the pressure relief valve by turning the red knob along the valve counter-clockwise:

1. If you do not hear a clacking sound, contact your local dealer.

2. If water keeps running out of the unit, close both the water inlet and outlet shut-off valves rst and then contact your local

dealer.

● Pressure relief valve hose

Check that the pressure relief valve hose is positioned appropriately to drain the water. If the drain pan kit is installed, make

sure that the pressure relief valve hose end is positioned in the drain pan.

● Auxiliary heater vessel insulation cover

Check that the auxiliary heater insulation cover is fastened tightly around the auxiliary heater vessel.

● Sanitary hot water tank pressure relief valve (eld supply)

Applies only to installations with a sanitary hot water tank. Check for correct operation of the pressure relief valve on the

sanitary hot water tank.

● Sanitary hot water electric heater

Applies only to installations with a sanitary hot water tank. It is advisable to remove lime buildup on the electric heater to

extend

its life span, especially in regions with hot water. To do so, drain the sanitary hot water tank, remove the electric heater from

the sanitary hot water tank and immerse in a bucket (or similar) with lime-removing product for 24 hours.

● Indoor unit control box

1. Carry out a through visual inspection of the control box and look for obvious defects such as loose connections or defective

wiring.

2. Check for correct operation of contactors by the use of an ohmmeter. All of these contactors must be in open position.

Important information for the used refrigerant

This product has the uorinated gas, it is forbidden to release to air.

Refrigerant type: R410A/ Kg or R134a / Kg

Volume of GWP: 2088 or 1430; tonnes CO2 equivalent

GWP=Global Warming Potential

ATTENTION:

Frequency of Refrigerant Leak Checks

1) For equipment that contains uorinated greenhouse gases in quantities of 5 tonnes of CO2 equivalent or more,but of less

than 50 tonnes of CO2 equipment,at least every 12 months , or where a leakage detection system is installed, at least every

24 months.

2) For equipment that contains uorinated greenhouse gases in quantities of 50 tonnes of CO2 equivalent or more,but of less

than 500 tonnes of CO2 equipment,at least every six months , or where a leakage detection system is installed, at least every

12 months.

3) For equipment that contains uorinated greenhouse gases in quantities of 500 tonnes of CO2 equivalent or more,at least

every three months ,or where a leakage detection system is installed, at least every six months.

4) This air-conditioning unit is a hermetically sealed equipment that contains uorinated greenhouse gases.

5) Only certicated person is allowed to do installation, operation and maintenance.

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