Harsco Patterson-Kelley MACH C2500, Инструкция по установке и эксплуатации

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MACH® Series Gas-Fired Boiler Installation
11
Canada:
CAN/CSA B149.1
Installation Codes for Gas Burning Equipment
STANDARDS
UL 1738 Venting Systems for Gas-Burning Appliances, Categories II, III, and IV
ULC S636-95 Standard for Type BH Venting Systems
Sheet Metal and Thermoplastic Duct Construction Manual
Air Conditioning Contractors
National Association (SMACNA)
These codes and standards contain information for the venting of gas fired appliances, including, but not limited to
vent sizing, location, clearance to combustibles, and safe installation practices. The installation must comply with
both the above Federal Codes and with state, provincial and local codes.
Design and installation of venting systems should be done only by qualified and
knowledgeable venting systems personnel and in accordance with vent system manufacturer’s installation
instructions. Installing a boiler or vent system using improper installation methods or materials can result in serious
injury or death due to fire or asphyxiation.
Before connecting a boiler to a venting system, it must be determined whether the boiler
is to be installed in a conventional or Direct Vent configuration. In the US, provisions for combustion and ventilation
air must be in accordance with NFPA 54/ANSI Z223.1,
National Fuel Gas Code
, latest edition, or applicable
provisions of the local building codes. In Canada, combustion and ventilation air openings shall comply with
CAN/CSA B-149.1
Natural Gas and Propane Installation Code
.
For correct installation of vent system, read all of these instructions and refer to vent
manufacturer’s instructions.
Failure to use a proper vent system (types and materials), as described in this manual will void the boiler warranty
and may result in rapid deterioration of the venting system, creating a health or life safety hazard.
Faulty vent installation can allow toxic fumes to be released into living areas. This may cause property damage,
serious bodily injury or death.
3.5.1.1 Gas Vent Categories
Several codes and standards have categorized appliances in accordance with the flue gas temperature and pressure
produced by the appliance. Categories are defined as follows:
•
Category I
An appliance that operates with a non-positive vent static pressure and with a vent temperature
that avoids excessive condensate production in the vent.
•
Category II
An appliance that operates with a non-positive vent static pressure and with a vent temperature
that may cause excessive condensate production in the vent.
•
Category III
An appliance that operates with a positive vent static pressure and with a vent temperature that
avoids excessive condensate production in the vent.
•
Category IV
An appliance that operates with a positive vent static pressure and with a vent temperature that
may cause excessive condensate production in the vent.
•
Direct Vent
An appliance that is constructed and installed so that all air for combustion is derived directly
from outdoors and all flue gases are discharged to the outdoors.