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3.1
SELECTING THE BOILER LOCATION
1.
Check for nearby connections to:
• System water piping
• Venting connections
• Gas supply piping
• Electrical power
2.
Check the area around the boiler. Remove any combustible materials, gasoline and other flammable liquids.
3.
Ensure the Boiler's gas control system components are protected from dripping or spraying water.
WARNING
Failure to keep boiler area clear and free of combustible materials, gasoline and other flammable liquids and vapors
can result in severe personal injury, death or substantial property damage.
3.2
POSITIONING THE BOILER
• Decide the position of the boiler taking into account the clearances required for servicing and the flue terminal position.
WARNING
Remove any combustible materials, gasoline and other flammable liquids away from the hot water pipes.
• Tape the template to the wall (ensure it is level and upright) and mark the position of the holes for the boiler mounting bracket
and plumbing connections. If rear exit flue is to be used, mark the position of the hole for the flue.
• If side exit flue is to be used, continue to mark the horizontal centre line of the flue across the wall to the side wall, then along
the side wall (ensure the lines are parallel and sloped properly towards the boiler, refer to section 4 "VENT SYSTEM"). This will
give the position of the centre of the hole for the flue.
• Cut the 4.33 in / 110.00 mm diameter hole in the wall for the concentric flue.
3.3
FIT THE BOILER
• Lift the boiler and hang it on the wall.
• Adjust the position of the boiler.
3.4
FLUSHING THE SYSTEM
• You must thoroughly flush the system (without boiler connected) to remove sediment. The high-efficiency heat exchanger can
be damaged by build up or corrosion due to sediment.
Note:
It is recommended that a water treatment product be utilized for sediment removal.
• For zoned systems, flush each zone separately through a purge valve. (If purge valves and isolation valves are not already
installed, install them to properly clean the system.)
• Flush system until water runs clean and you are sure piping is free of sediment.
CAUTION
For installation that incorporates standing lron Radiation and systems with manual vents at the high points. Starting
with the nearest manual air vent, open vent until water flows out, then close vent. Repeat procedure, working your way
toward furthest air vent. It may be necessary to install a basket strainer in an older system where larger amounts of
sediment may be present. Annual cleaning of the strainer may be necessary.
3.5
GAS SUPPLY
DUO-TEC COMPACT 30 requires a gas rate of 113.60 ft
Gas E (Liquid Propane Gas).
The meter and supply pipes must be capable of delivering this quantity of gas in addition to the demand from any other appliances
in the house. The boiler requires at least a 3/4 in / 19.5 mm gas supply pipe.
WARNING
The boiler and its gas connections must be leak tested before placing the boiler in operation.
7703473 (02-12/19)
/h (3.22 m
/h) for Gas A (Natural Gas) and 107.96 ft
3
3
14
/h (3.06 m
/h) for
3
3
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