Structural Concepts NR4833RSV handleiding

Koelkast

Structural Concepts

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Handleiding

TROUBLESHOOTING (BY TRAINED SERVICE PROVIDERS ONLY) - CONDENSING SYSTEM

CONDITION TROUBLESHOOTING

Head Pressure

Too High

Check that the condensing coil is not dirty or covered.

Check that condensing fans are working.

Check that refrigerant is not overcharged.

Perform sub-cooling check and verify that no contaminates are in system.

Check that liquid line filter dryer is not plugged.

Check that close-offs are intact (around condensing coil) and that air is not

recirculating.

Check that store ambient temperature isn’t above maximum allowed. See

OVERVIEW / TYPE / COMPLIANCE / WARNINGS / PRECAUTIONS / WIRING /

PLUGS section in this manual.

Head Pressure

Too Low

Check if sight glass is flashing or showing low charge.

Check that suction pressure isn’t too low.

Check that compressor reed valves aren’t bad. Look for high suction/low head

pressure. Perform pump-down.

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