Download Print this page

ECR International Dunkirk II Series Installation, Operation & Maintenance Manual page 12

Gas-fired direct vent condensing hot water boiler

Advertisement

WARNING
!
Fire, explosion, asphyxiation hazard. Solvent
cements are combustible. Keep away from heat,
sparks, or open fl ame. Use only in well ventilated
areas. Avoid breathing in vapor or allowing contact
with skin or eyes. Improper installation could result
in death or serious injury. Read this manual and
understand all requirements before beginning
installation.
Vent pipe exposed to temperatures below freezing,
such as when it passes through unheated space or
when chimney is used as chaseway, vent pipe must be
insulated with 1/2"armafl ex or equivalent. In extremely
cold climate areas, use 3/4"armafl ex or equivalent.
Combustion air must be clean outdoor air. Do not take
combustion air from inside structure because that air
is frequently contaminated by halogens, which includes
fl uorides, chlorides, phosphates, bromides and iodides.
These elements are found in aerosols, detergents,
bleaches, cleaning solvents, salts, air fresheners, paints,
adhesives, and other household products.
Locate combustion air inlet as far away as possible from
swimming pool and swimming pool pump house.
All combustion air and vent pipes must be airtight and
watertight.
Combustion air and vent piping must also terminate
exactly as shown in Figures 8 and 9.
Use of concentric vent termination refer to Figures 10,
11 and 12 for proper setup.
Vent connections serving appliances vented by
natural draft shall not be connected into any portion
of mechanical draft systems operating under positive
pressure.
Figure 11
- Concentric Vent
STRAP
A
(FIELD SUPPLIED)
ELBOW
B
(FIELD SUPPLIED)
C
1" MAXIMUM
VENT
COMBUSTION AIR
A
NOTE:
SECURING STRAP MUST BE FIELD INSTALLED TO
PREVENT MOVEMENT OF TERMINATION KIT IN SIDE
WALL.
5 - COMBUSTION AIR/ VENT REQUIREMENTS
B
COMBUSTION
AIR
VENT
C
Figure 12
- Concentric Vent Roof Installation
NOTE:
SUPPORT MUST BE
FIELD INSTALLED TO
SECURE TERMINATION
KIT TO STRUCTURE.
ROOF BOOT/FLASHING
A
(FIELD SUPPLIED)
ELBOW
B
(FIELD SUPPLIED)
SUPPORT
C
(FIELD SUPPLIED)
MAINTANIN 12 IN.
(18IN. FOR CANADA)
MINIMUM CLEARANCE
D
ABOVE HIGHEST
ANTICIPATED SNOW
LEVEL. MAXIMUM OF
24 IN. ABOVE ROOF
Dimension
3" Diameter PVC
A
Vent/Exhaust
B
1½"
3" Diameter PVC
C
Intake/Combustion Air
A
B
C
12
VENT
COMBUSTION AIR
A
VENT
Dimension
D
1 ³⁄ "
E
46¾"
F
31⅞"
G
4½" Dia.
G
D
F
E
D
C
B
COM
AIR

Advertisement

loading