VII. Final Check List for All Models
A. Check high-low pressure control settings.
B. Check setting of defrost timer:
1.
Medium temperature 2 to 4 defrosts/24 hours, with 35 minutes fail safe.
2.
Low temperature 3 to 4 defrosts/24 hours, with 44 minutes fail safe.
C. Check operating pressure.
D. Check electrical requirements of unit to power supply voltage.
E. Set temperature control for desired temperature range.
F. Check setting of thermostatic expansion valve for proper operation.
G. Check sight glass for proper refrigerant charge.
H. Check compressor oil level.
I. Check system for proper defrost settings and operation.
J. Check condensing unit for vibrating or rubbing tubing. Dampen or clamp as required.
K. Open all valves completely counter clockwise.
L. Check packing nuts on all service valves.
M. Replace all service valve caps and latch unit covers.
5/16 Rev. B 57-02497
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