REFRIGERATION COMPRESSOR KIT (R-134A and R-404A Refrigerant) Installation Manual Release Date: September 01, 1994 Publication Number: 3724INS Revision Date: October 15, 2012 Revision: B Visit the IMI Cornelius web site at www.cornelius.com for all your Literature needs.
The products, technical information, and instructions contained in this manual are subject to change without notice. These instructions are not intended to cover all details or variations of the equipment, nor to provide for every possible contingency in the installation, operation or maintenance of this equipment. This manual assumes that the person(s) working on the equipment have been trained and are skilled in working with electrical, plumbing, pneumatic, and mechanical equipment.
TABLE OF CONTENTS Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Read and Follow ALL Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Safety Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Recognition . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Refrigeration Compressor Kit Installation Manual SAFETY INSTRUCTIONS READ AND FOLLOW ALL SAFETY INSTRUCTIONS Safety Overview • Read and follow ALL SAFETY INSTRUCTIONS in this manual and any warning/caution labels on the unit (decals, labels or laminated cards). • Read and understand ALL applicable OSHA (Occupational Safety and Health Administration) safety regulations before operating this unit. Recognition Recognize Safety Alerts ! This is the safety alert symbol.
Refrigeration Compressor Kit Installation Manual SAFETY PRECAUTIONS This unit has been specifically designed to provide protection against personal injury. To ensure continued protection observe the following: ! WARNING: Disconnect power to the unit before servicing following all lock out/tag out procedures established by the user. Verify all of the power is off to the unit before any work is performed. Failure to disconnect the power could result in serious injury, death or equipment damage.
Refrigeration Compressor Kit Installation Manual INTRODUCTION CONTENT OF THIS INSTALLATION MANUAL This Installation Manual provides a general outline of the procedures used to remove an inoperative compressor and install the refrigeration compressor kit. The manual content includes Required Supplies and Tools and Equipment needed; the procedure to remove the inoperative compressor, install the new compressor kit, and to test the installation.
Refrigeration Compressor Kit Installation Manual Required Tools and Equipment Tools and equipment needed for installing this kit is listed in the following table. Equivalent items may be substituted. Required Tools and Equipment Item No. Name and Description Use 1 Torch, Oxy-fuel (acetylene, propane, etc) Brazing 2 Torch tips size No. 2 or 3 Brazing 3 Vacuum pump and gaging with 50-micron blank-off pressure. Alternately a pump having 28.5 in.
Refrigeration Compressor Kit Installation Manual COMPRESSOR KIT INSTALLATION REMOVING OLD COMPRESSOR AND DUAL INLET STRAINER/DRIER Removal of Refrigerant- In starting work, be advised that the following notes are directly applicable: NOTE: Do not change compressor until it is proven inoperative. ! WARNING: Only trained and certified electrical, plumbing and refrigeration technicians should service this unit. All wiring and plumbing must conform to national and local codes.
Refrigeration Compressor Kit Installation Manual REMOVAL OF EXISTING COMPRESSOR 1. Slide suction line insulation as far as possible away from work area to prevent heat damage. 2. Place heat shields around electric wiring, insulation, and painted surfaces to protect from accidental heat damage. ! WARNING: Nitrogen pressure must equal atmospheric pressure before heat is applied to system tubing. 3.
Refrigeration Compressor Kit Installation Manual 4. Clean flux from all brazed copper to steel connections with cold water and a wire brush. TESTING SYSTEM FOR REFRIGERANT LEAKS 1. Connect Refrigeration Gauges and Manifold Set to both of the refrigeration system process lines. 2. Connect Refrigerant Charging Cylinder to the Refrigeration Gauges and Manifold Set, then pressurize the refrigeration system to saturation with clean refrigerant of the type specified on the Unit serial plate. 3.
Refrigeration Compressor Kit Installation Manual Failure to comply could result in serious injury, death or damage to the equipment. To install a kit in either the 1050XR and 1550XR cooling units, proceed as follows: 1. Remove back access grille (on side where power switch is located) to expose the compressor terminal cover. 2. Remove compressor terminal cover. 3. Perform electrical check on the compressor to confirm if it is inoperative. 4. If compressor is inoperative, drain water from evaporator tank.
Refrigeration Compressor Kit Installation Manual Figure 1. Figure 2. Publication Number: 3724INS -9- © 1994-2012, IMI Cornelius Inc.
Refrigeration Compressor Kit Installation Manual © 1994-2012, IMI Cornelius Inc.
IMI Cornelius Inc. www.cornelius.
