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If the information in this manual is not followed exactly, a fire or
explosion may result causing property damage, personal injury
or loss of life.
 Do not store or use gasoline or other flammable vapors and liquids in
the vicinity of this or any other appliance.
 WHAT TO DO IF YOU SMELL GAS
 Do not try to light any appliance.
 Do not touch any electrical switch; do not use any phone in your
building.
 Immediately call your gas supplier from a neighbor's phone. Follow
the gas supplier's instructions.
 If you cannot reach your gas supplier, call the fire department.
 Installation and service must be performed by a qualified installer,
service agency or the gas supplier.
DATE OF INSTALLATION:
INSTALLED BY:
COMPANY:
ADDRESS:
Manufacturers of Gas and Electric Boilers, Stainless Steel Tanks, Heat Exchangers and Electric Boosters.
94 Riverside Drive, North Vancouver, B.C. V7H 2M6  Telephone (604) 929-1214  www.alliedboilers.com
PN2420348
USER'S INFORMATION MANUAL
GAS BOILERS
FOR MODELS:
WARNING:
PHONE:
Manufactured by
Allied Engineering Company
Division of E-Z-Rect Manufacturing Ltd.
Branches: Calgary  Edmonton  Toronto  Denver
MG-50-E TO MG-150-E
SG-135-E TO SG-495-E
AAA-480 TO AAA-3000
H

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Summary of Contents for Super Hot MG-75

  • Page 1 USER'S INFORMATION MANUAL GAS BOILERS FOR MODELS: MG-50-E TO MG-150-E SG-135-E TO SG-495-E AAA-480 TO AAA-3000 WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
  • Page 2 MG, SG & AAA Series Boilers – User’s Information Manual WARNING Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury (exposure to hazardous materials) or loss of life. Installation and service must be performed by a qualified installer, service agency or the gas supplier (who must read and follow the supplied instructions before installing, servicing, or removing this boiler).
  • Page 3: About Our Manuals

    Your boiler is equipped with one of two optional electronic ignition systems. Determine the ignition system that applies from the list below and go to the applicable lighting instruction section.  Intermittent electronic ignition with combination gas valve for MG-50-E to MG-150-E and SG-135-E to ___SG-400-E (Section 4) ...
  • Page 4 MG, SG & AAA Series Boilers – User’s Information Manual LIGHTING INSTRUCTIONS FOR INTERMITTENT ELECTRONIC IGNITION WITH COMBINATION GAS VALVE. 1. This boiler is equipped with an ignition device NOTE: On some gas valves the knob cannot be turned to "OFF" or “ON” position unless which automatically lights the pilot.
  • Page 5: Check For Gas Leaks

    MG, SG & AAA Series Boilers – User’s Information Manual TO TURN OFF GAS TO THE BOILER OR EMERGENCY SHUT-OFF. WARNING Should boiler overheat, or the gas supply fail to shut off, do not turn off or disconnect the electrical supply to the circulating pump. Instead, shut off the gas supply at a location external to the boiler.
  • Page 6: Corrosive Atmospheres

    MG, SG & AAA Series Boilers – User’s Information Manual CORROSIVE ATMOSPHERES If a gas boiler is to be installed near a corrosive or potentially corrosive air supply, the boiler should be isolated from it and outside air should be supplied. Chemical vapors from products containing chlorine or fluorine must be avoided.
  • Page 7: Burner System

    MG, SG & AAA Series Boilers – User’s Information Manual BURNER SYSTEM To maintain safe and efficient operation, examine the burner system regularly through the inspection hole near the pilot tube. Check condition of burner system Check ignition and extinction Over time, it is possible for parts of the burners Ignition should flow quickly and smoothly across system to become plugged, cracked, eroded...
  • Page 8: Pressure Relief Valve

    MG, SG & AAA Series Boilers – User’s Information Manual PRESSURE RELIEF VALVE A pressure relief valve is supplied as standard equipment. The pressure relief valve provides extra protection against damage that could be caused by malfunctioning controls or excessive water pressure. If a pressure relief valve is not used, the warranty is void.
  • Page 9: User Checklist

    MG, SG & AAA Series Boilers – User’s Information Manual USER CHECKLIST Check air openings are not restricted and will not be blocked off. Adequate supply air is  necessary for combustion, flue gas dilution and ventilation. When the boiler has operated for several minutes, check for spillage at draft hood, venting ...
  • Page 10 MG, SG & AAA Series Boilers – User’s Information Manual TYPICAL RESIDENTIAL BOILER COMPONENT LOCATIONS...
  • Page 11 MG, SG & AAA Series Boilers – User’s Information Manual TYPICAL COMMERCIAL BOILER COMPONENT LOCATIONS...
  • Page 12 MG, SG & AAA Series Boilers – User’s Information Manual INDEX Section Page General Warnings……………………………………………………………………………………...... 2 About Our Manual ........................... 3 Safety Instructions ..........................3 Lighting Instructions ..........................3 Lighting Instructions for Intermittent Electronic Ignition with Combination Gas Valve ......4 Lighting Instructions for Intermittent Electronic Ignition with Non-Combination Gas Valve ....

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