070.750-IOM2 (JAN 21)
Page 3
HPS 273 ROTARY SCREW COMPRESSOR
INSTALLATION - OPERATION - MAINTENANCE
General information
Note:
The information in this document is subject to
change without notice.
Preface
This manual describes the installation, operation, and main-
tenance procedures of HPS 273 Rotary Screw Compressors.
Notice
Frick screw compressor repair must only be done by
skilled mechanics who have completed training at
Frick screw compressor school.
It is most important that these compressors are correctly
applied to an adequately controlled refrigerant or gas
system. Consult your authorized Johnson Controls-Frick
representative for expert guidance in this determination.
Proper performance and continued satisfaction with these
units depends on the following factors:
• Correct installation
• Correct operation
• Regular, systematic maintenance
• Proper package and system engineering
To ensure correct installation and application, select the
proper equipment and connect to a correctly designed and
installed system. The engineering plans, piping layouts,
for example, must be detailed in accordance with the
best practices and local codes, such as those outlined in
ASHRAE and EN codes.
A screw compressor is a vapor pump. To ensure that
working fluid in the liquid state is not being ingested,
ensure the following points:
• Select controls carefully. Make sure they are in good
operating condition.
• Correctly size piping and correctly arrange traps, if they
are necessary.
• Check that the suction line has an accumulator or slug-
ging protection.
• Know the load surges and make provisions for control.
• Check that operating cycles and stand still periods are
reasonable.
• Size high side components within system and com-
pressor design limits.
HPS compressors have small clearances and the compres-
sor package and system must be built with a very high
degree of cleanliness.
Design limitations
HPS compressors are designed for operation within the
pressure and temperature limits, which are specified by
Johnson Controls-Frick and the Johnson Controls-Frick
selection software CoolWare™. They are primarily used for
compressing refrigerant gas and most hydrocarbon gasses.
If your application is for sour gas, there are special require-
ments to protect the compressor. Contact Johnson Con-
trols-Frick Compressor Engineering for application details.
Job inspection
Immediately upon delivery examine all crates, boxes, and
exposed compressor and component surfaces for damage.
Unpack all items and check against shipping lists for any
discrepancy. Examine all items for damage in transit.
Standard bare compressor
Items not included with bare compressor that are available
as sales order options:
• Motor mount
•
Connection fittings
• Coupling
• Solenoid valve manifold block assembly
Transit damage claims
All claims must be made by the consignee. This is an ICC
requirement. Request immediate inspection by the agent
of the carrier and be sure to execute the proper claim
forms. Report damage or shortage claims immediately to
Johnson Controls-Frick Sales Administration Department
in Waynesboro, PA.
Compressor identification
Each compressor has an
identification data plate, contain
-
ing compressor model, and serial number mounted on the
compressor body.
Notice
When inquiring about the compressor or unit, or
ordering repair parts, provide the model, serial, and
Frick sales order numbers from the data plates.
Figure 1: Identification data plate