Vesta VC 100 (LP) COMBI, Руководство по установке

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28 Venting the Boiler
5 2 Selecting Vent Pipe Materials .
Venting requirements differ in the US and Canada Consult the .
following chart or the most recent edition of ANSI Z223 1 NFPA . /
54 or CAN CGA B149 1 as well as all applicable local codes and / . ,
regulations when selecting vent pipe materials Do not use cellular .
core based pipe materials for the exhaust vent.
Locale Recommended Vent Materials
USA
●
PVC Schedule 40 Solid Core ( )
●
CPVC Schedule 40 or 80 Solid Core ( )
●
Approved Polypropylene*
Canada**
●
Type BH Special Gas Vent Class IIA PVC ( )
●
Type BH Special Gas Vent Class IIB CPVC ( )
●
Type BH Special Gas Vent Class IIC
(
) Polypropylene
* : Approved polypropylene systems include
Durevent Polypro Single Wall 2PPS xxx 2 3PPS xxx 3 ( ): - (
”
), - (
”
)
Centrotherm Innoflue SW ISxx02xx 2 ISxx03xx 3 : ( ” ), ( ” )
Refer to manufacturer s literature for detailed information
’
.
** , - For installation in Canada field supplied plastic vent piping must comply
with CAN CGA B149 1 latest edition and be certified to the Standard / . ( )
For Type BH Gas Venting Systems ULC S636 Components of this listed , - .
system must not be interchanged with other vent systems or unlisted
pipes or fittings All plastic components and specified primers and glues
.
of the certified vent system must be from a single system manufacturer
and must not be intermixed with another system manufacturer s parts
’
.
The supplied vent connector and vent termination are certified as part
of the boiler.
CAUTION
●
This boiler has a built in control to limit the exhaust -
temperature to 149 F 65 C As a result the boiler can be ° ( ° ). ,
vented with Schedule 40 PVC.
●
In high temperature applications the exhaust temperature ,
can exceed 149 F 65 C In that case you must use Schedule ° ( ° ). ,
40 or 80 CPVC or Approved Polypropylene in the USA
or Type BH Special Gas Vent Class IIB CPVC or Class IC
( )
( ) - . Polypropylene that conforms to ULC S636 in Canada
●
Do not install the vent terminal indoors.
5 3 . Venst Terminal Installation Precautions
Note the following vent terminal installation requirements
●
Install the vent terminal with a upward slope(2~3 ˚ )
●
If multiple units are installed, terminals must be separated
by 18" or more in a plain view regardless of the vertical clearance.
18
18
●
Avoid installing the terminal where obstacles will block it.
●
Do not install the vent terminals vertically in-line. Do not cover
the vent terminal with any type of protective screen or enclosure.
In-line or blocked terminals can cause abnormal combustion
resulting inundesired performance from the appliance.
●
Avoid storing hazardous objects near the terminal.