Walmart GBF-15+ETL-WM Service Manual

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GBF-15+ETL-WM

Service manual

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Chad Fields

July 8, 2025

Having trouble with 3 phase GFCI module holding with unit. Is it designed to work on a GFCI protected circuit?

Summary of Contents for Walmart GBF-15+ETL-WM

Page 1 GBF-15+ETL-WM Service manual...
Page 2 Safety Precautions THIS MANUAL HAS BEEN PREPARED FOR PERSONNEL QUALIFIED TO INSTALL, MAINTAIN AND REPAIR ELECTRICAL REFRIGERATION EQUIPMENT, WHO SHOULD PERFORM THE INITIAL FIELD STARTUP AND ADJUSTMENTS OF THE EQUIPMENT COVERED BY THIS MANUAL. READ THIS MANUAL THOROUGHLY BEFORE OPERATING, INSTALLING, PERFORMING MAINTENANCE ON, OR REPAIRING THE EQUIPMENT.
Page 3 WARNING Before removing any sheet metal panels, always perform the Electrical LOCKOUT/TAGOUT Procedure. Be sure all circuits are disconnected. Failure to comply with this procedure can cause property damage, injury or death. WARNING Do not operate this equipment without properly placing and securing all covers and access panels.
Page 4 ELECTRICAL LOCKOUT/TAGOUT PROCEDURE WARNING Before performing any service that involves electrical connection or disconnection and/or exposure to electrical components, always follow the Electrical LOCKOUT/TAGOUT Procedure. Disconnect all circuits. Failure to comply can cause property damage, injury or death. The Electrical LOCKOUT/TAGOUT Procedure is used to protect personnel working on an electrical appliance.
Page 5: Table Of Contents
INDEX 1. STANDARDS AND GENERAL WARNINGS ....................6 1.1 TESTING AND INTENDED USE ........................7 1.2 INTRODUCTION ............................. 7 1.3 PRODUCT DESCRIPTION ..........................8 1.4 CERTIFICATION .............................. 8 1.5 GENERAL SAFETY REGULATIONS ........................8 1.6 CUSTOMER’S RESPONSIBILITIES ........................9 1.7 CUSTOMER SERVICE REQUESTS ........................9 1.8 ORDERING OF SPARE PARTS .........................
Page 6: Standards And General Warnings
STANDARDS AND GENERAL WARNINGS PRODUCTS APPLICABLE TO THIS MANUAL The present manual is exclusively valid and applicable to the following products range: : GBF-15+ETL-WM Model Temperature control range: T = -40°C (-40°F), highest T = -30°C (-22°F) Operating temperature: - 40°C (-40F) Factory pre-set to: -40°C (-40°F)
Page 7: Testing And Intended Use
Note : All relevant data referring to these products can be found on the data label visible on the rear part of the cabinet. Here is an example of the label: 1.1 TESTING AND INTENDED USE This equipment is tested in compliance with established regulations and then shipped ready for use.
Page 8: Product Description
carefully read the manual and refer to its information at all times. Particular attention must be paid to safety warnings (refer to Section 1.5). Routine maintenance technician: qualified operator able to perform routine maintenance of the equipment by following the instructions in this manual. Service engineer: qualified technician, authorized by the manufacturer to perform extraordinary maintenance of the equipment.
Page 9: Customer's Responsibilities
 not touch the unit with wet hands and/or feet. Do not use the equipment with bare feet;  Do not insert screwdrivers or other pointed objects between guards or moving parts of the equipment;  Do not pull the power cord to disconnect the equipment from the electrical mains Make sure that the equipment is not used by unsuitably qualified persons;...
Page 10: Materials And Refrigerants
1.9 MATERIALS AND REFRIGERANTS Materials in contact or potentially in contact with products are in compliance with the relevant directives. The equipments designed and built so that contact parts can be cleaned before each use. The refrigerants utilized comply with established regulations. 1.10 WARNING LABELS Electrical Shock LABEL A...
Page 11 Risk of finger crashing Refrigerating Equipment intended laboratory use.
Page 12: Installation
2. INSTALLATION 2.1 TRANSPORTATION AND HANDLING The equipment must be transported and handled exclusively in upright position, in observance of the instructions printed on the packing. This precaution is necessary to avoid contamination of the refrigerant circuit with compressor lube oil with resulting valve and heat exchanger coil failure and problems starting the electric motor or the risk of a gas leak.
Page 13: Wiring And Electrical Hook-Up
 Cartoon box or Wood base removal: using a hammer, tilt the cabinet to one side and loosen the two thread-forming screws, drag the cabinet from the back side holding the base still until the four castors have gone out from the containing holes, slightly tilt the cabinet backward and take the base away pulling it from the front side.
Page 14: Airflow Requirements
 Limit the frequency and duration of opening; each time the door is opened the internal Limit the frequency and duration of opening; each time the door is opened the internal Limit the frequency and duration of opening; each time the door is opened the internal temperature will alter.
Page 15: Operation
 Iron  Copper  Aluminium  Non-biodegradable plastics  Fibre glass for printed circuits Fibre glass for printed circuits  Ferrite  Batteries  CFC-free refrigeration gas  Electrical and electronic equipment (WEEE) Electrical and electronic equipment (WEEE) The manufacturer shall not be chargeable for any disposal of the apparatus at the end of its The manufacturer shall not be chargeable for any disposal of the apparatus at the end of its The manufacturer shall not be chargeable for any disposal of the apparatus at the end of its working life.
Page 16 Once the cavity temp will reach Once the cavity temp will reach -40°F, the main screen will show :-- Ready to go Ready to go  START A CYCLE: To start a cycle, insert the food core probes into the product. The start a cycle, insert the food core probes into the product.
Page 17  Once the four food probes have reached 37°F, the Once the four food probes have reached 37°F, the recording has been stopped and the product has been recording has been stopped and the product has been extracted from the cavity, it’s possible to start a new cycle extracted from the cavity, it’s possible to start a new cycle putting a new product and inserting the food probe into the putting a new product and inserting the food probe into the...