SECTION 9 – SERVICE AND TROUBLESHOOTING
FORM QWC3-NM1
ISSUE DATE:11/20/2020
QUANTECH
165
9
PROBLEM CAUSE SOLUTION
LACK OF COOLING EFFECT
1. Fouled evaporator surface Low
suction pressure will be observed.
1. Contact the local Quantech Sales
Representative.
2. Improper ow through the
evaporator.
2. Reduce ow to within chiller design
specs. See Limitations in SECTION
4 - INSTALLATION.
3. Low refrigerant charge. Low
suction pressure will be observed.
3. Check subcooling and add charge
as needed.
TABLE 26 - TROUBLESHOOTING (CONT’D)
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