Structural Concepts Oasis BD3632 handleiding

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Structural Concepts

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Handleiding

CONDITION TROUBLESHOOTING

Low Suction

Pressure

Check if sight glass (if present) is flashing or showing low charge.

Check that expansion valve (TXV) isn’t restricted. Check element charge.

Check that liquid line or filter isn’t restricted. Check that refrigeration line / courtesy

loop is not kinked.

Check that evaporator fan motor is working.

Check that superheat is between 6 °F to 8 °F (-14 °C to -13 °C).

Check that there is no air recirculation around evaporator coil.

Check that evaporator coil is not iced up.

High Suction

Pressure

Check that the “cooling load” isn’t high. Product must be pre-chilled before placing

in refrigerated section of case.

Check that case is at least 15-feet from exterior doors, overhead HVAC vents or

any air curtain disruption.

Check that unit is not exposed to direct sunlight via windows or any other heat

source (ovens, fryers, etc.).

Check that superheat adjustment isn’t low.

Check TXV bulb installation

a. Poor thermal contact.

b. Warm location.

TROUBLESHOOTING - R-290 EVAPORATOR SYSTEM (BY TRAINED SERVICE PROVIDERS ONLY)

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