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This manual contains rigging, assembly, start-up, and maintenance 

instructions. Read thoroughly before beginning installation. Failure 

to follow these instructions may result in personal injury or death, 

damage to the unit, or improper operation.

Rotary Screw Compressor

HPS 2709/2712

Check www.FrickCold.com for the latest version of this publication.

Form 070.750-IOM2 (JAN 2021)

 Installation–Operation–Maintenance

File: 

Service Manual – Section 070

Replaces: 

070.750-IOM2 (SEP 2019)

Dist: 

3, 3a, 3b, 3c

Summary of Contents for HPS 2709

Page 1: ...ese instructions may result in personal injury or death damage to the unit or improper operation Rotary Screw Compressor HPS 2709 2712 Check www FrickCold com for the latest version of this publicatio...

Page 2: ...e 9 Rigging and handling 9 Foundation 9 Customer connections 10 Vi and effective orifice sizes 10 Compressor oil 10 Oil pump 11 Motor mounting foot mounted only 11 Compressor Motor coupling requiremen...

Page 3: ...ting 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 mu...

Page 4: ...15 Z Plant Decade Month Year Global Seq no Additional Remarks 1024 0 A 9 0000015 Z Month A JAN B FEB C MAR D APR E MAY F JUN G JUL H AUG K SEP L OCT M NOV N DEC Additional Remarks R Remanufactured R1...

Page 5: ...ith dry nitrogen and bring pressure to 0 psig 4 Pump oil into the SM1 Use break in oil P N 111Q0831809 for storage purposes The amount of oil necessary for HPS 273 compressors is 25 gal 5 After the co...

Page 6: ...the internal volume ratio to match the system pressure ratio Control of the internal volume ratio eliminates the power penalty associated with over or under compression Vol ume ratio control is achiev...

Page 7: ...tor deflection and unwanted contact with the rotor housing For this reason proper calibration of the slide valve and slide stop is essential Note For 1 3 to 1 96 and 1 7 to 3 0 Vi range machines the m...

Page 8: ...070 750 IOM2 JAN 21 Page 8 HPS 273 ROTARY SCREW COMPRESSOR INSTALLATION OPERATION MAINTENANCE This page is intentionally left blank...

Page 9: ...from the compressor See Table 5 for allowable flange loads HPS 273 compressors are designed to be driven with an open drive foot mounted motor The rotor and bear ing design set limitations must not b...

Page 10: ...si with a new oil filter element This is critical for the proper operation of the balance piston which is used to ensure the life of the male and female axial bearing If the speed turndown is more tha...

Page 11: ...is essential to properly align the coupling to ensure proper bearing and seal perfor mance 1 Select and install the coupling so that it does not trans mit any axial load to the compressor shaft 2 Set...

Page 12: ...Johnson Controls Frick for additional information for natural gas compression The main oil injection line that connectd to port SM 1 or SM 2 must have a regulating valve to permit adjustment of the o...

Page 13: ...ht ness of the external piping bolts and valves Ensure that the machine has no oil and vapor leaks If any of these occur shut down the compressor and correct the problem as necessary using good safety...

Page 14: ...070 750 IOM2 JAN 21 Page 14 HPS 273 ROTARY SCREW COMPRESSOR OPERATION This page is intentionally left blank...

Page 15: ...odic vibration analysis can be useful in detecting bearing wear and other mechanical failures General information This section provides instructions for normal maintenance a maintenance program and tr...

Page 16: ...n Check sensor calibration n n n n n n n n n n n n n n n n n n n n n Check BPR function n n n n n n n n n n n n n n n n n n n n n n Test high pressure cut out Test annually Vibration analysis Every 6...

Page 17: ...it is possible that two relatively obvious problems combine to provide a set of symptoms that can mislead the troubleshooter Be aware of this possibility and avoid solving the wrong problem Warning Av...

Page 18: ...pling from the motor shaft 4 While supporting the motor and compressor assembly with a crane remove the bolts at the motor feet and then at the compressor feet 5 Thoroughly clean the compressor and mo...

Page 19: ...pump and check oil pump motor rotation o Leave micro energized to ensure oil heaters are on and oil temperature is correct for start up Do not energize compressor drive motor Only authorized factory f...

Page 20: ...enter Checked Marked N A Compressor Coupling Hub Runout____________ Motor Coupling Hub Runout_____________ Initial cold alignment Initial hot alignment Final hot alignment Operating log sheet Date Tim...

Page 21: ..._______ Frame Size __________ H P _________ Refrigerant Ambient Room Temperature _________ F Operating Conditions Vibration data sheet Suction Discharge Oil Separator Slide valve position Press Press...

Page 22: ...ion high Vi 1 5 8 12UN 2B SM 2 Main oil injection low Vi 1 5 8 12UN 2B SV 1 Class 600 ANSI round flange 1 1 4 Flange T Manifold block tank 1 1 16 12UN 2B Figure 7 Compressor port locations HPS 2709 27...

Page 23: ...g rings 9 long term storage 5 M maintenance 15 maintenance schedule 16 misalignment 11 mixing valve 12 moisture 5 moisture contamination 15 motor 20 motor mount 7 motor shaft 18 N natural gas 12 nitro...

Page 24: ...7 Updated Shaft seal section removed last sentence Page 9 Added callout table for Figure Page 10 Updated port information on Customer connections section Added callout table for Figure Page 16 Updated...

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