Advantage Engineering Maximum Instruction Manual page 62

MK Series Portable Chiller : Air-Cooled : HE INSTRUMENT
pressure switch is factory set to
open at 325 psi and protects the
refrigeration components and
personnel from potential damage
of injury from excessive high
pressure. The high pressure safety
must not be altered in the field for
any reason. The low pressure
switch is factory set to open at 58
psi and to close at 63 psi. The low
pressure switch protects the chillers
from possible damage due to low
operating pressure. The low
pressure switch is field adjustable for setpoints below 48°F.
NEVER LOWER THE CUT OUT SETTING WITHOUT ADDING
GLYCOL TO THE CIRCULATING SYSTEM. EVAPORATOR
DAMAGE WILL RESULT AND WILL NOT BE COVERED BY THE
WARRANTY.
J. Liquid receiver: located after the condenser, this component
receives and stores liquid refrigerant leaving the condenser.
K. Service valves: have been provided throughout the system. Only a
qualified refrigeration service technician shall operate these valves.
L. Crankcase heater: insures that freon and compressor crankcase oil
do not mix during the compressor's "off " cycles. Power must be
applied to the chiller previous to startup.
M. Oil pressure safety switch: protects the compressor from
lubrication failure.
Typical hot gas bypass valve
ADVANTAGE ENGINEERING, INC.
525 East Stop 18 Road Greenwood, Indiana 46142
317-887-0729 Fax: 317-881-1277
Service Department Fax: 317-885-8683
Email: service@AdvantageEngineering.com
Figure 6.2H
Page: 62