MG & SG Series Boilers – Installation and Service Manual
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3.9 CHECK FOR GAS LEAKS
To identify gas leaks, smell for gas around boiler area and gas piping connections (See Section 1.1). To
check a specific area for leakage, spray a mixture of soap and water onto the suspected area – active
bubbling indicates a gas leak. DO NOT TEST FOR LEAKS WITH AN OPEN FLAME. Gas leaks must be
repaired immediately.
3.10 INSTALLER'S CHECKLIST
Reference
Section
ο
The information printed on the boiler rating plate matches the application (i.e.
altitude and fuel type).
3.5
ο
All applicable electrical codes have been met.
2.2, 2.14
ο
Gas piping has been purged and checked for leaks with a soap solution.
2.2, 2.4, 2.9
ο
System is filled with water and all air has been purged. Only oxygen barrier
tubing has been used.
2.11, 2.12
ο
A manometer has been used to check the manifold pressure and gas supply
pressure against requirements printed on boiler rating plate.
3.2, 3.5
ο
Bypass or mixing valve has been used to prevent return water less than
135°F.
2.12
ο
All applicable venting codes have been met. Air openings sized to provide
adequate supply air for combustion, flue gas dilution and ventilation and will
not be blocked off.
2.2, 2.5, 2.6, 2.7
ο
Check for spillage at draft hood and other areas susceptible to spillage.
3.7
ο
Operate the boiler for 15 minutes, then clock and calculate Btu/h input rate.
The input rate must not exceed that specified on the boiler rating plate.
Clocked BTU/H Input Rate: ______________
3.6
ο
Perform check of temperature controls: aquastat, high limit aquastat, and
thermostat.
3.4, 3.8
ο
Test any other controls as specified by the manufacturer.
ο
Visually inspect main burners and pilot to ensure proper flame operating
characteristics and ignition/extinction is ok.
3.3
ο
Allow the boiler to cycle a few times to ensure functions are operating
correctly.
ο
Close main shut-off valve and check that burners and pilot flame extinguish.
ο
Clearly identify emergency shut-off devices and make the user or owner
aware of their location and method of operation.
ο
Fill in the contact information on the cover of the User's Information Manual
and leave both manuals in the envelope adjacent to the boiler.
NOTE: INSTALLER'S RESPONSIBILITY
"Before leaving installations, installers shall ensure that an appliance, accessory, component, or
equipment installed by them comply with the Code requirements, and the person initially activating the
appliance shall ensure that the appliance is in safe working order."
CSA B149.1-00 Natural Gas and Propane Installation Code
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