cellarking CXE 70 Manual técnico - Página 17

Navegue en línea o descargue pdf Manual técnico para Aire acondicionado cellarking CXE 70. cellarking CXE 70 20 páginas.

a. With the system switched off, connect a high pressure gauge to the liquid line service valve.

b. Switch on the system, indoor fan set to high speed, and run for a few minutes to stabilise.

c. The head pressure should be approximately:

R407C: 275-280 psig (18.9-19.6barg) to achieve this adjust the screw clockwise to increase pressure or

anticlockwise to decrease. Each ½ turn will alter the pressure by approx 5 psig (0.5 barg)

Min fan speed (0 rpm) and fan cut in pressure 200 psig (13.8 barg) are factory set and not adjustable.

NOTE: The condenser fan may stop if the operating pressure drops below 200 psig (13.8 barg)

10. HEAD PRESSURE CONTROL ALCO (FSY-42S) & SAGINOMIYA (XGE-4C)

The head pressure controller is factory set to suit the refrigerant. It may be necessary to adjust this to suit site

conditions, to raise or lower the nominal head pressure.

ALCO (FSY-42S)

a. With the system switched off, connect a high pressure gauge to the liquid line service valve.

b. Switch on the system, and run for a few minutes to stabilise.

c. The head pressure should be approximately:

Min fan speed (0 rpm) and fan cut in pressure 200 psig (13.8 barg) are factory set and not adjustable.

NOTE: The condenser fan may stop if the operating pressure drops below 200 psig (13.8 barg)

to achieve this remove sealing plug and insert 2mm or 5/64"

R407C: 275-280 psig (18.9-19.6barg)

allen key into setting screw. Turn allen key clockwise (+) or counter clockwise (-) to readjust the setting.

Do not turn setting screw more than 3 turns clockwise (+3). Use following table as a quick guideline for

setting:

55908039-02