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JOHNSON CONTROLS
139
FORM 150.62-NM8 (1020)
4
PROBLEM
CAUSE
SOLUTION
LACK OF COOLING EFFECT
1. Fouled evaporator surface Low
suction pressure will be observed.
1. Contact the local Johnson
Controls Service representative.
2. Improper flow through the evaporator.
2. Reduce flow to within chiller
design specs.
See Operational
Limitations in Installation
section.
3. Low refrigerant charge. Low suction
pressure will be observed.
3. Check subcooling and add
charge as needed.
TROUBLESHOOTING (CONT’D)
Summary of Contents for YCAL0014E Series
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