Bedienungsanleitung Kaysun Aquantia PRO Monobloc - KHP-MO (Seite 61 von 80) (Englisch)

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Before switching on the unit, read following recommenda-

tions:

The installer is obliged to verify correct operation of unit

after installation.

11 TEST RUN AND FINAL

CHECKS

11.1 Final checks

When the complete installation and all necessary

settings have been carried out, close all front panels

of the unit and refit the unit cover.

The service panel of the switch box may only be

opened by a licensed electrician for

If required, the installer can perform a manual test run

operation at any time to check correct operation of air

purge, heating, cooling and domestic water heating, refer

to 10.7 Field settings/test run.

11.2 Test run operation (manually)

That during the first running period of the unit,

required power input may be higher than stated

on the nameplate of the unit. This phenomenon

originates from the compressor that needs

elapse of a 50 hours run in period before

reaching smooth operation and stable power

consumption.

NOTE

In order to ensure optimal availability of the unit, a number

of checks and inspections on the unit and the field wiring

have to be carried out at regular intervals.

This maintenance needs to be carried out by your local

technician.

In order to ensure optimal availability of the unit, a number

of checks and inspections on the unit and the field wiring

have to be carried out at regular intervals.

This maintenance has to be carried out by your local

technician.

12 MAINTENANCE AND

SERVICE

DANGER

ELECTRIC SHOCK

Before carrying out any maintenance or

repairing activity, must switch off the power

supply on the supply panel.

Do not touch any live part for 10 minutes after

the power supply is turned off.

The crank heater of compressor may operate

even in standby.

Please note that some sections of the electric

component box are hot.

Forbid touch any conductive parts.

Forbid rinse the unit. It may cause electric

shock or fire.

Forbid leave the unit unattended when

service panel is removed.

Make sure that the disposal of the glycol solution is done

in accordance with relevant local laws and regulations.

Water pressure

Check the water pressure, if it is below 1 bar,fill water

to the system.

Water filter

Clean the water filter.

Water pressure relief valve

Check for correct operation of the pressure relief

valve by turning the black knob on the valve

counter-clockWise:

-If you do not hear a clacking sound, contact your

local dealer.

-In case the water keeps running out of the unit, close

both the water inlet and outlet shut-off valves first and

then contact your local dealer.

Pressure relief valve hose

Check that the pressure relief valve hose is

positioned appropriately to drain the water.

Backup heater vessel insulation cover

Check that the backup heater insulation cover is

fastened tightly around the backup heater vessel.

Domestic hot water tank pressure relief valve (field

supply) Applies only to installations with a domestic

hot water tank. Check for correct operation of the

pressure relief valve on the domestic hot water tank.

Domestic hot water tank booster heater

Applies only to installations with a domestic hot water

tank. It is advisable to remove lime buildup on the

booster heater to extend its life span, especially in

regions with hard water. To do so, drain the domestic

hot water tank, remove the booster heater from the

domestic hot water tank and immerse in a bucket (or

similar) with lime-removing product for 24 hours.

Unit switch box

-Carry out a thorough visual inspection of the switch

box and look for obvious defects such as loose

connections or defective wiring.

-Check for correct operation of contactors with an

ohm meter. All contacts of these contactors must be

in open position.

Use of glycol (Refer to 9.3 Water pipework Caution:

"Use of glycol" ) Document the glycol concentration

and the pH-value in the system at least once a year.

-A PH-value below 8.0 indicates that a significant

portion of the inhibitor has been depleted and that

more inhibitor needs to be added.

-When the PH-value is below 7.0 then oxidation of the

glycol occurred, the system should be drained and

flushed thoroughly before severe damage occurs.

The following checks must be performed at least once a

year by qualified person.

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