MG-2/MG-4 GAS HOT PLATE SERVICE MANUAL KEEP THIS MANUAL FOR TRAINING NEW PERSONNEL 1-800-KEATING www.keatingofchicago.
TABLE OF CONTENTS SECTION I INTRODUCTION SECTION V SERVICE DIAGNOSIS General Information . . . . . . . . . . . . . . . . . . . . . . . . .1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Trouble Shooting Chart . . . . . . . . . . . . . . . . . . . . . .5 Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Standard Features . . . . . . . . . . . . . . . . . . . . . . . .
POST THIS LABEL IN A PROMINENT LOCATION ON YOUR UNIT IMPORTANT IN THE EVENT A GAS ODOR IS DETECTED, SHUT DOWN UNITS AT MAIN SHUT OFF VALVE AND CONTACT THE LOCAL GAS COMPANY OR GAS SUPPLIER FOR SERVICE. WARNING FOR YOUR SAFETY DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS OR LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE. Do not store flammable liquids near this or any other appliance. WARNING Improper installation can cause damage, injury or death.
Your ventilation hood, when installed, must conform to the current ANSI/NFPA 96 standard. I INTRODUCTION No frame or restriction shall be constructed around the hot plate that will restrict air movement into the hot plate’s combustion area or prevent proper ventilation. GENERAL Keating hot plates are designed to operate on the gas fuel specified on the serial plate and must not be operated with another gas fuel. They cannot be converted to another gas fuel by turning or engaging a switch.
THIS HOT PLATE MAY NOT BE ALTERED, MODIFIED OR CHANGED IN ANY WAY. WARNING The State of California enacted the California Safe drinking water and Toxic Enforcement Act of 1986, (Prop.65), which “prohibits any person in the course of doing business from knowingly and intentionally exposing any individual to a chemical known to the State of California to cause cancer or reproductive toxicity without first giving clear and reasonable warning to such individuals.
Connect the hot plate to the main gas supply line at the rear of the hot plate. The piping should be a minimum of 3/4" IPS supply pipe for a single hot plate. testing at test pressures less than to equal to 1/2 psig (3.45 KPA), hot plate must be isolated from gas supply piping. When pressure testing at test pressures above 1/2 psig (3,45 KPA), hot plate must be disconnected from gas supply piping system. A 3/4" NPT manual gas valve is shipped with each single hot plate for field installation.
CLEANING WARNING When cleaning your hot plate, use Keating Klenzer, the finest dry stainless steel polish available, to restore your hot plate’s exterior to it original luster. Keating Klenzer is USDA approved. PROPANE GAS MAY EVENTUALLY LOSE ITS ODOR AND PRECAUTIONS SHOULD BE TAKEN TO ASSURE THAT IT IS NOT PRESENT EVEN THOUGH YOU DO NOT DETECT AN ODOR. IF THERE IS ANY DOUBT, YOU SHOULD CALL YOUR LOCAL PROPANE GAS SUPPLIER FOR ASSISTANCE.
V SERVICE DIAGNOSIS VII PARTS LISTS On constant pilot models, the pilot light will be between 3/8" to 1/2" high and burn clear blue. The constant pilot consumes about 180 BTU/hr. of gas and is used to ignite the burners. ORDERING PARTS Parts may be ordered by part number by calling Keating at 1-800-KEATING or your service company. You may also order on-line at Keating’s part store, www.keatingofchicago.com A.
GAS HOT PLATE PARTS LIST ITEM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 DESCRIPTION MG-2 GAS VALVE (INFINITE CONTROL) WITH NG ORIFICE #49 CONSTANT PILOT 2 SPARK IGNITOR 2 ORIFICE, HOODED, NATURAL GAS, #49 2 GAS VALVE (INFINITE CONTROL) WITH PROPANE ORIFICE #53 CONSTANT PILOT 2 SPARK IGNITOR 2 ORIFICE, HOODED, PROPANE, #53 2 KNOB, RED, GAS VALVE 2 CONSTANT PILOT VALVE 1 CONSTANT PILOT ASSEMBLY WITH ORIFICE 1 CONSTANT PILOT MOUNTING BRACKET 24" DEEP 1 30" DEEP 1 SPARK IGNITOR SWITCH 2
HOT PLATE ASSEMBLY NOTE: MG-4 hot plates are built as two MG-2 hot plates side by side. The MG-2 is shown here. NOTE: Part numbers correspond with the Hot Plate Parts list on page 9.
VIII WIRING DIAGRAMS MG SI WIRING AND LADDER DIAGRAMS The diagrams below apply to hot plates with spark ignition (“SI”). Hot plates with constant pilots (“CP”) do not have any electrical connections. NOTE: MG-4 hot plates are essentially two MG-2 hot plates side by side. Each cabinet half has its own spark module, electrode and ignitor switches.
LIMITATIONS OF LIABILITY 100% 80% 60% 40% 20% 10% AND CONDITIONS KEATING OF CHICAGO, INC., 1-800-KEATING KEATING WWW.KEATINGOFCHICAGO.COM REFILE/warranty 8/07 All repair services under this Limited Warranty must be authorized by Keating or performed at Keating. Authorization may be obtained by calling 1-800-KEATING within the Continental United States, Alaska, Hawaii, Puerto Rico and Canada during normal business hours (7:00 a.m. through 6:00 p.m. Central Time, Monday through Friday).
SERVICE INFORMATION If you have a service related question call 1-800-KEATING. Please state the nature of the call; it will ensure speaking with the appropriate person. Have your serial and model number available when ordering parts. KEATING OF CHICAGO, INC. 8901 W. 50th Street, McCook, Illinois 60525-6001 Phone: (708) 246-3000 FAX: (708) 246-3100 Toll Free 1-800-KEATING (In U.S. and Canada) www.keatingofchicago.com *As continuous product improvement occurs, specifications may be changed without notice.
