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Service Manual
January 2006
INSTALLATION & SERVICE
INSTRUCTIONS
FOR
HGM-1, 2 & 3 BS,TS SELF-CONTAINED
Medium Temperature Glass Door Merchandiser
First Call for help (US and Canada):
1-800-922-1919
Soporte Tècnico y Asistencia (Mèxico):
01-800-522-1900
For a Service Network Locator and other
Information visit us at
www.hussmann.com
select Worldwide Locations
P/N OII – HGM BS-TS Self-Contained
January 2006
HUSSMANN - GLOVERSVILLE
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Table of Contents
Related Manuals for Hussmann HGM-1BS
Summary of Contents for Hussmann HGM-1BS
- Page 1 First Call for help (US and Canada): 1-800-922-1919 Soporte Tècnico y Asistencia (Mèxico): 01-800-522-1900 For a Service Network Locator and other Information visit us at www.hussmann.com select Worldwide Locations P/N OII – HGM BS-TS Self-Contained January 2006 HUSSMANN - GLOVERSVILLE...
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Page 2: Table Of Contents
Introduction Inspection Upon Receipt – Proper Location and Clearance Skid Leg Installation Leveling and Sealing Condensate Pan Bottom Louvered Panel Removal Top Decorative Panel Removal Shelves Air Distribution and Rear Flue Spacer Serial Plate Information Electrical Connections Electrical, BTU Capacities Initial Start Up and Loading General Upkeep and Cleaning Power Switches, Temperature Controls... -
Page 3: Introduction
Introduction – The HGM-BS/TS models are self con- tained, medium temperature, vertical glass door merchandisers designed for the display of dairy products, deli items, beverages, and wine. Design features include self-closing glass doors, efficient foamed in place non- CFC insulation, and balanced R-134a refrig- eration systems for energy saving perform- ance. -
Page 4: Leveling And Sealing
THE CABINET BACK SHOULD NEVER BE HIGHER THAN THE FRONT. Leveling and Sealing – Bottom Mounts only The case can be leveled by shimming un- der the cabinet base frame, or be installing op- tional levelers. The self-closing doors require the cabinet to be properly leveled. -
Page 5: Serial Plate Information Electrical Connections
spacer must be in place as this forms a dis- charge air flue at the back of the cabinet. Electrical Connections – The HGM-1 and 2 cases are supplied with a supply cord as charted below with a grounding prong for operation on a 115v power supply. -
Page 6: Initial Start Up And Loading
Initial Start-up and Loading – Check the cabinet thoroughly for loose nuts and bolts and electrical connections. In- spect the refrigeration lines for any visible damage or chafing. Replace the electrical box cover. Start the cabinet and allow to pull down to operating temperature before loading. -
Page 7: Thermometer
There is also and adjustable tempera- ture differential (the difference between the cut- in temperature and the cut-out temperature) located on the back of the temperature control cover. When adjusting the differential, the tem- perature setting may also have to be adjusted. See figure below for internal adjustment loca- tions. -
Page 8: Refrigeration
Light ballasts are located on mullions of the door frames. See the Anthony ballast re- moval instructions at the back of the booklet. – Commercial Doors – See Door Instructions at the back of this booklet. Refrigeration – As stated previously, these cases are self- contained with the condensing unit mounted at the top or bottom. -
Page 9: Operational Data And Refrigerant Control
Repeat steps 2 and 3 two more times, the third time evacuating the system 500 microns. Operational Data – The following is typical data for HGM models based on lab tests, and may vary under field operating conditions. Ambient Temperatue Head Pressure (psi) Suction Pressure (psi) Refrigerant Control... -
Page 10: Trouble Shooting, And Lights Trouble Shooting 9
Symptom Compressor runs continuously Product too warm High Head Pressure Warm storage temperatures Compressor runs continuously product too cold Compressor will not start no noise TROUBLE SHOOTING Probable Cause (s) 1. Short of refrigerant 2. Inefficient compressor 3. Dirty condenser 1. - Page 11 Symptom Compressor will not start cuts out on overload Problem Light’s won’t start Light’s flicker Ballast hums This HGM case was manufactured in Gloversville, New York. Our phone #’s are (518) 725- 0644 for NY state residents, and toll free 800-753-7790 or outside NY. Any questions not covered in this manual, please call the factory.
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Page 12: Warranty And Electrical Components Replacement List 11
Lack of any of the above information may result in the shipment of the wrong part, or a delay in shipment. Compressor Replacement Procedure – Replacement compressors will not be shipped from the Hussmann Factory. They may be obtained from your nearest Wholesaler. Your wholesaler will replace, free of charge, any compressor found to be defective within twelve months of installation, not to exceed twenty months from the date of manufacture, as determined by the compressor serial number on the serial plate. - Page 13 To obtain reimbursement forward to: Hussmann Corporation the following information: 1. The cabinet model and serial number 2. A copy of the wholesaler’s invoice, along with tag from old compressor. Electrical Components Replacement List Model HGM-1-TS/BS Compressor Tecum. AE44484 Cond. Fan Mtr.
- Page 18 DOOR & FRAME HEATERS FRAME HEATERS SENSING BULB COMPRESSOR SENSOR JUMPER COMM 240 AC 120 NC C NO DOOR HEATERS 3-S-226 ELEC-TRON EVAP FANS 3-S-226 ELEC-TRON REV EO # REV DATE REV BY LIGHT SWITCH BALLAST ANTHONY FRAME 115 V 60 Hz CONDENSATE PAN HEATER 1 PH...
- Page 19 DOOR AND FRAME HEATERS FRAME HEATERS SENSING BULB CONDENSOR FANS COMPRESSOR SENSOR COMM LIGHT SWITCH BALLAST ORN/BLK ORN/BLK DOOR HEATERS EVAPORATOR FANS REV EO # REV DATE REV BY APPROVED BY ANTHONY T8 ELECTRONIC LIGHTING BLU/WHT BALLAST ORN/BLK ORN/BLK ANTHONY FRAME CONDENSATE HEATER 1 PH...
- Page 20 DOOR AND FRAME HEATERS FRAME HEATERS SENSING BULB CONDENSOR FANS COMPRESSOR SENSOR COMM LIGHT SWITCH BALLAST ORN/BLK ORN/BLK DOOR HEATERS EVAPORATOR FANS REV EO # REV DATE REV BY APPROVED BY ANTHONY T8 ELECTRONIC LIGHTING BLU/WHT BALLAST DOOR FRAME CONDENSATE PAN HEATER 1 PH 60 Hz...
- Page 21 DOOR & FRAME HEATERS FRAME HEATERS SENSING BULB COMPRESSOR SENSOR JUMPER COMM 240 AC 120 NC C NO LIGHT SWITCH BALLAST DOOR HEATERS 3-S-226 EVAP FANS ELEC-TRON 3-S-226 CONDENSATE PAN HEATER ELEC-TRON REV EO # REV DATE REV BY APPROVED BY ANTHONY T8 ELECTRONIC LIGHTING BALLAST ANTHONY FRAME...
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Page 22: Wiring Diagram
DOOR & FRAME HEATERS FRAME HEATERS SENSING BULB COMPRESSOR COND SENSOR COMM 240 AC 120 NC C NO LIGHT SWITCH ANTHONY T8 ELECTRONIC LIGHTING BALLAST BRN/BLK BRN/BLK DOOR HEATERS 3-S-226 ELEC-TRON EVAP FANS CONDENSATE REV EO # REV DATE REV BY APPROVED BY ANTHONY FRAME HEATER... - Page 23 DOOR & FRAME HEATERS FRAME HEATERS SENSING BULB COMPRESSOR COND FANS SENSOR COMM 240 AC 120 NC C NO LIGHT SWITCH ANTHONY T8 ELECTRONIC LIGHTING BALLAST BRN/BLK BRN/BLK DOOR HEATERS 3-S-226 ELEC-TRON EVAP FANS CONDENSATE REV EO # REV DATE REV BY APPROVED BY BALLAST BRN/BLK...