MG & SG Series Boilers – Installation and Service Manual
4
ABOUT OUR MANUALS
Your Super Hot boiler has been provided with two manuals:
• User's Information Manual - This manual is intended for the owner or user of the boiler and provides
information on routine operation and maintenance, and emergency shutdown.
• Installation and Service Manual - This manual must only be used by a qualified heating installer,
service technician or gas supplier. Installation or service by anyone unqualified to do so may
result in severe personal injury, death or substantial property damage.
Both manuals should be kept in the envelope provided and affixed adjacent to the boiler so that they are
readily available for future reference.
Lighting Instructions Section 1
1.1 SAFETY INSTRUCTIONS
WARNING
If you do not follow these instructions exactly, a fire or explosion may result causing property
damage, personal injury or loss of life.
A. BEFORE LIGHTING smell all around the
boiler area for gas. Be sure to smell next to
the floor because some gas is heavier than
air and will settle on the floor.
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.
B. Use only your hand to push in or turn the gas
control knob. Never use tools. If the knob will
not push in or turn by hand, don't try to repair
it, call a qualified service technician. Force or
attempted repair may result in a fire or
explosion.
C. Do not use this boiler if any part has been
under water. Immediately call a qualified
service technician to inspect the appliance
and to replace any part of the control system
and any gas control which has been under
water.
1.2 LIGHTING INSTRUCTIONS
Determine the ignition system that applies from the list below and go to the applicable lighting instruction
section.
• Standing pilot with combination gas valve (Section 1.3)
• Intermittent electronic & hot surface ignition with combination gas valve (Section 1.4)
If you are unsure which type of gas valve or ignition system your boiler is equipped with, check the
lighting instructions sticker on the boiler or contact the factory.
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