26
Concentric
Vent Roof
Terminations
Glue inner vent pipe to prevent
recirculation.
Maintain 12" (305mm) US
(18"(457mm) Canada) minimum
clearance above highest
anticipated snow level. Maximum of
24"(610mm) above roof.
Support must be
fi
eld installed to
secure termination kit to structure.
Elbow, roof boot/
fl
ashing
fi
eld supplied.
Allowed Wall/Roof thickness 1/2"-30"
(12.7mm - 762mm).
Vertical concentric vent system can be
installed in unused masonry chimney.
Contact Technical Support 800-
325-5479 for questions regarding
installation or use.
Combustion Air
Roof boot/
fl
ashing
(
fi
eld supplied)
Support
(
fi
eld supplied)
Combustion Air
Vent
Note: Support must
be
fi
eld installed to
secure termination
kit to structure
Vent
Maintain 12"(305mm) US
(18"(457mm) Canada)
clearance above highest
anticipated snow level 24"
(610mm) above roof
FIGURE 6-8 Flue on Roof, Air Intake on Side Wall
FIGURE 6-9 Flue on Roof, Combustion Air
Grade, Snow
& Ice
Terminate vent system bottom, minimum
12" (300 mm) above highest anticipated
snow level.
Avoid locations where snow may drift
and block vent and combustion air.
Ice or snow may cause boiler to shut
down if vent or combustion air becomes
obstructed.
Doors &
Windows
Combustion air and vent termination
must be 12" (305mm) from or below
doors, windows or gravity inlet.
* See Tables
4 & 5
Combustion air and Vent Piping Length
Page 22 .
FIGURE 6-7 Concentric Roof Terminal
6 - COMBUSTION AIR AND VENT PIPING
Maintain 12"(305mm) US
(18"(457mm) Canada)
clearance above highest
anticipated snow level 24"
(610mm) above roof
Combustion Air
Vent
12" (305mm)
Anticipated
Snow Line
Ground Level
Combustion
Air
Vent
24" (610mm)
* Minimum Length
Maintain 12"(305mm) US
(18"(457mm) Canada)
clearance above highest
anticipated snow level 24"
(610mm) above roof
Содержание DKVLT-050
Страница 47: ...47 13 TROUBLE SHOOTING ...
Страница 51: ...51 13 TROUBLE SHOOTING ...
Страница 53: ...53 13 TROUBLE SHOOTING ...
Страница 62: ...62 Supply Water Temperature Sensor Resistance Chart 13 TROUBLE SHOOTING ...
Страница 64: ...64 14 WIRING DIAGRAM 14 1 Connection Diagram 050 075 100 150 200 MBH ...
Страница 66: ...66 14 WIRING DIAGRAM 14 3 Connection Diagram 299 MBH EXTERNAL PUMP RELAY LIMIT OF 1 AMP PER PUMP SEE SECTION 8 ...
Страница 83: ...83 NOTES ...
Страница 84: ...ECR International Inc 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com ...