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January 2006
INSTALLATION & SERVICE
INSTRUCTIONS
FOR
GGSM SPECIALTY MERCHANDISER
Low Temperature
Glass Front and Sides
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 – GGSM
January 2006
HUSSMANN - GLOVERSVILLE
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Related Manuals for Hussmann GGSM
Summary of Contents for Hussmann GGSM
- Page 1 Glass Front and Sides 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 – GGSM January 2006 HUSSMANN - GLOVERSVILLE...
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Page 2: Table Of Contents
Introduction Inspection Location and Clearance Skid Leveling Serial Plate Access Panel Removal Electrical Box Power Requirements Lighted Sign Refrigeration System and Circulation Glass Heaters Electric Condensate Pan Defrost Time Clock Temperature Control Temperature Control Replacement Condenser Defrost Stat Replacement Glass Heater Wire Replacement Defrost Heater Replacement Bulb Ballast Replacement Defrost Timer Replacement... -
Page 3: Introduction
INTRODUCTION – The GGSM-3 is for the display of fro- zen foods and/or ice cream products. The de- s ign of the cabinet allows most service op- erations to be performed from the front of the cabinet. The GGSM-3 is designed to operate in ambient conditions of 75º... -
Page 4: Serial Plate
ALWAYS REMEMBER TO DISCONNECT THE POWER SUPPLY BE- FORE SERVICING. REFRIGERATION SYSTEM and AIR CIRCULATION – The refrigeration system of the GGSM-3 utilizes a capillary tube to feed the evaporator, and a hermetically sealed com- pressor. When servicing the evaporator... -
Page 5: Glass Heaters
Section, care s hould be taken so as not to dam- age the capillary tube. Air is forced through the evaporator by the use of two fan motors. These motors run continuously through both the refrigeration and defrost cycles. Air is taken in by the front glass and discharged at the top rear of the cabi- net interior. -
Page 6: Temperature Control Replacement
TEMPERATURE CONTROL REPLACEMENT - If there is product in the cabinet, it must be placed in a storage freezer. Discon- nect power to the cabinet. Remove the front and left side access panels. Remove electri- cal enclosure cover. Remove the knob on the control and the two screws holding the plate and control body in place. -
Page 7: Glass Heater Wire Replacement
DEF ROST HEATER REPLACEMENT – Remove product from cabinet and place in storage freezer. Disconnect power to cabinet. Remove front and left side access panels. Re- move electrical enclosure cover. Remove bottom interior pans. After locating defective heater, re- move from location and install new heater in place. -
Page 8: Trouble Shooting Charts
Cap Tube .042 ID x .020 Wall Thick x 83" Min. Fuse Size - 15 amps Refrig. Charge - 23 ounces R 404 652.05 grams Operating Pressure 75F/24C Head Suction TROUBLE Compressor starts but immediately cuts out on overload. Compressor will not start, no hum. - Page 9 Compressor runs continuously 1. Defective control High head and suction pressures Low head and suction pressure 1. Short of refrigerant Normal pressures, warm cabinet 5. Restriction (moisture) 6. Dirty condenser 7. Defective condenser fan motor 2. Short of refrigerant 1. Air in system 2.
- Page 10 Evaporator coil blocked with Defrost cycle too long 1. Defective time clock 2. Cabinet location in store 3. Defective defrost heater 4. Defective defrost thermostat 4. Replace The defrost thermostat should have the defrost circuit in the closed position when the cabinet goes into defrost. It is set to open that circuit at 58ºF/14ºC, at which time it also energizes the solenoid in the time clock which trips the time clock off defrost and back into the refrigeration cycle.
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Page 11: Warranty And Parts Information
COMPRESSOR REPLACEMENT PROCEDURE – 1. Replacement compressors will not be shipped from the Hussmann factory. They may be ob- tained from you nearest Compressor Wholesaler. 2. 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 –... - Page 12 For any defective compressor beyond the twelve or twenty month time period, a salvage value credit will be given too partially offset the invoice for the replacement. To obtain reimbursement forward to: Hussmann Corporation the following information: The cabinet model and serial number 2.
- Page 13 -REV B CHANGED WIRING OF LAMP BALLAST DEF HTR 2 DEF HTR 4 STARTER GLASS CONDENSATE HEATERS GGSM-3 TOLERANCES UNLESS OTHERWISE SPECIFIED: FRACTIONAL 1/32" DECIMAL 0.031" ANGULAR 1° HOLE LOCATION & SPACING 1/64" 7/7/2003 GLOVERSVILLE, NY 12078 EO NUMBER WIRING DIAGRAM 5232-REV B...