KAPPA V ECHOS AC IOM.pdf - Industrial Air
KAPPA V ECHOS AC IOM.pdf - Industrial Air
KAPPA V ECHOS AC IOM.pdf - Industrial Air
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SYMPTOM<br />
R)<br />
One or more<br />
compressors switched<br />
off. Display On with<br />
alarm “High Pressure<br />
Compressor”<br />
S)<br />
One or more<br />
compressors switched<br />
OPERATION<br />
COOLING HEATING<br />
PROBABLE CAUSE<br />
Blue Box 58<br />
POSSIBLE CORRECTIVE <strong>AC</strong>TION<br />
˜ ˜ Excess refrigerant charge Check refrigerant charge and call<br />
service organisation<br />
˜ ˜ Refrigerant circuit contains<br />
non-condensable gas<br />
˜ ˜ High pressure switch<br />
incorrectly set or faulty<br />
˜ Condenser coil or coil filters<br />
(if present) clogged<br />
˜ ˜ Insufficient refrigerant<br />
charge due to leak in circuit<br />
Empty circuit, apply vacuum, and<br />
recharge<br />
Check pressure switch setting<br />
Clean coil and filters (if present)<br />
with compressed air<br />
Call service organisation<br />
off. Display On with<br />
alarm “Low Pressure<br />
Compressors” ˜ ˜ Thermostatic valve faulty Call service organisation<br />
T)<br />
One or more<br />
compressors switched<br />
off. Display On with<br />
alarm “Compressor<br />
Thermal Protections”<br />
˜ ˜ Solenoid valve of liquid<br />
refrigerant line faulty (if<br />
present)<br />
Call service organisation<br />
˜ Dehydrating filter clogged Call service organisation<br />
˜ Evaporator coil or coil filters<br />
(if present) clogged<br />
˜ ˜ Liquid refrigerant valve not<br />
completely open<br />
Clean coil and filters (if supplied)<br />
with compressed air<br />
Check and open fully<br />
˜ ˜ Pressostat faulty Check; replace if necessary<br />
˜ ˜ Problems at the compressor Call service organisation
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