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17 Checklist After Installation
After installing the Combi Boiler, review the following checklist. You should be able to answer "Yes" to all of
the items in the checklist. If you answer NO to any item, installation is not complete. Review the appropriate
sections to complete the installation.
If you have additional questions or need assistance with installation, contact Pavilion Customer Center at 1-855-
443-8468.
Choosing an Installation Location (See page 13 - 16)
Make sure that the Combi Boiler is not installed in the following places.
• Places where gasoline, benzene and adhesives are handled
• Places in which corrosive gases (ammonia, chlorine, sulfur, ethylene compounds, acids) are
present in the air
• Places dust or debris will accumulate
Installation Clearances (See page 16)
Make sure that the Combi Boiler meets the required clearances.
Installation of the Combi Boiler (See page 17 - 18)
Make sure that the condensate container is filled with water.
Venting the Combi Boiler (See page 19 - 35)
Make sure that required combustion air is supplied to the Combi Boiler.
Make sure using vent materials approved for use with category IV appliances.
Make sure that there is no leakage or loose connection in the venting system.
Make sure that the vent length is within the requirement.
Make sure that bird screen(s) is installed on the vent termination.
Make sure that the termination meets the clearance requirements.
When using a horizontal section, make sure that the horizontal vent slope is 1/4 in. upwards for
every 12 in. (300 mm) toward the termination.
Make sure that the intake pipe and exhaust pipe are properly installed.
Make sure that the vent system comforms with local codes, state codes, or national codes as
ANSI/NFPA and CSA.
Connecting the Gas Supply (See page 36 - 39)
Make sure that the gas type is compatible with the type indicated on the Combi Boiler's rating
plate.
Clean out any debris from the gas piping before connecting the Combi Boiler.
Make sure that the gas piping size is appropriate.
Make sure that the inlet gas pressure is within the specified range.
Make sure that there are no leaks from the Combi Boiler and its gas connection.
Connecting the Heating Supply (See page 44 - 48)
Make sure that heating system pressure is 12 to 30 psi at the Combi Boiler outlet.
Make sure that no water leakage from heating supply pipe, heating return pipe and all of
connections.
Make sure that the backflow preventer is installed as required by local codes.
Make sure that expansion tank is installed. And check precharged pressure should equal the
system fill pressure for the Combi Boiler.
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Checklist After Installation
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