Bedienungsanleitung Kaysun KHPI-BI-10VR2L (Seite 31 von 44) (Englisch)

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8.3 Field settings

The unit should be configured to match the installation environment (outdoor climate, installed options, etc.) and user demand.

A number of field settings are available. These settings are accessible and programmable through “FOR SERVICEMAN” in

user interface.

Powering on the unit

When power on the unit, "1%~99%" is displayed on the user interface during initialization. During this process the user interface

cannot be operated.

Procedure

To change one or more field settings, proceed as follows.

NOTE

Temperature values displayed on the wired controller (user interface) are in °C.

Switch off the power supply before making any connections.

After the installation of the unit, check the following before switching on the circuit breaker:

Field wiring：Make sure that the field wiring between the local supply panel and unit and valves (when applicable),

unit and room thermostat (when applicable), unit and domestic hot water tank, and unit and backup heater kit have

been connected according to the instructions described in the chapter 7 "FIELD WIRING", according to the

wiring diagrams and to local laws and regulations.

Fuses, circuit breakers, or protection devices Check that the fuses or the locally installed protection devices are of

the size and type specified in 7.3 "Safety device requirements". Make sure that no fuses or protection devices

have been bypassed.

Backup heater circuit breaker：Do not forget to turn on the backup heater circuit breaker in the switchbox (it

depends on the backup heater type). Refer to the wiring diagram.

Booster heater circuit breaker：Do not forget to turn on the booster heater circuit breaker (applies only to units with

optional domestic hot water tank installed).

Ground wiring：Make sure that the ground wires have been connected properly and that the ground terminals are

tightened.

Internal wiring：Visually check the switch box for loose connections or damaged electrical components.

Mounting：Check that the unit is properly mounted, to avoid abnormal noises and vibrations when starting up the unit.

Damaged equipment：Check the inside of the unit for damaged components or squeezed pipes.

Refrigerant leak：Check the inside of the unit for refrigerant leakage. If there is a refrigerant leak, call your local dealer.

Power supply voltage：Check the power supply voltage on the local supply panel. The voltage must correspond to the voltage

on the identification label of the unit.

Air purge valve：Make sure the air purge valve is open (at least 2 turns).

Shut-off valves：Make sure that the shut-off valves are fully open.

DANGER

Keys Function

▼▲

•Go to the menu structure(on the home page)

•Navigate the cursor on the display

•Navigate in the menu structure

•Adjust settings

•Turn on/off the space heating/cooling operation or DHW mode

•Turn on/or off functions in the menu structure

•Come back to the up level

•Long press for unlock /lock the controller

•Unlock /lock some functions such as "DHW temperature

adjusting"

•Go to the next step when programming a schedule in the menu

structure; and confirm a selection to enter in the submenu of the

menu structure.

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