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Fabricant : Patterson-Kelley
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17 6.1d On-Off Series 1500, 1700, 2000 ..... 19 6.1e On-Off IRI Series 1500, 1700, 2000 21 6.2 Auxiliary Control Panel...................... 23 6.2.1 On-Off Auxiliary Control Panel .... 23 Improper use may result in fire or injury. Read instructions/safety manual before installing, operating or servicing boiler. ! WARNING c 1998 HCS, Inc. 800-748-0241 Reorder No. 6020-V2WHPK WARNING! It is essential to read, understand, and follow the recommendations of this manual before installing, operating, or servicing this equipment. Failure to do so could result in fire or explosion and serious injury, death, and/or property damage. The same features which permit this boiler to achieve high-efficiency performance make it unlike most other boilers of this general size, so it is important to understand how this boiler operates. Do not store or use gasoline or other flammable vapors or liquids in the vicinity of this or any other appliance. WARNING! Installation and service must be performed by a qualified installer, service agency, or gas supplier. What to do if you smell gas: • Do not try to light any appliance. • Do not touch any electrical switch. • Do not use any phone in your building. Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions. • If you cannot reach your gas supplier call the fire department. Thermific® Gas-Fired Boiler Introduction 1.0 INTRODUCTION Direct vent (ANSI Z21.13) is a closed system method of ducting the combustion air directly from the outside of the building into the inlet compartment of the burner, and a sealed exhaust vent from the combustion chamber to the outdoors. The direct vent/sealed combustion option is available on the Thermific® boilers on Series 700, 1000, 1200, 1500, 1700, and 2000. Advantages are: • Savings in energy costs due to the elimination of using conditioned air (heated and/or cooled building air) from going back up the stack. • Isolation of the burner from pressure changes in the building which can cause erratic combustion performance. • Combustion air is taken from the outside which is generally more clean than indoor air. Halide contaminants within a building, such as chlorides, can cause excessive corrosion in the burner, heat exchanger and venting system. • Eliminates the need for two large combustion air/ventilation air openings into the mechanical space. 1.1 CODE COMPLIANCE 1.1.1 Direct Vent/Sealed Combustion System (complying with ANSI Z21.13) All flue gas outlet (exhaust vent) material must comply with UL-1738. (Standard B-vent is not approved.) Proper vent sizing by the vent manufacturer's recommendation must be followed. The exhaust vent may be run horizontally or vertically. The maximum allowable length of the exhaust vent for horizontal installations, including the boot tee/135. (not a standard tee) and the termination is 100 equivalent feet. Refer to Section 3.4.5 for equivalent lengths. 1.1.2 Fresh Air System (ducted combustion air system) In some instances compliance with ANSI Z21.13 may not be required, in which case a "fresh air system" may be used. Consultation with qualified professionals is required to determine whether a "fresh air system" is suitable for any particular application and in compliance with all applicable codes and regulations. All flue gas outlet (exhaust vent) material for a fresh air system must be certified for use with a Category I Appliance. (Standard B-vent is approved.) The exhaust vent may be run horizontally or vertically. Proper vent sizing by the vent manufacturer's recommendation must be followed. 1.2 BASIC INLET/VENT CONFIGURATIONS Four basic configurations are allowable for the combustion air inlet and flue gas exhaust vent, as follows; installation details are provided in Section 3. Exhaust Vent Air Inlet Sidewall Roof 1.Combustion air inlet duct through the sidewall and the flue gas exhaust through the roof. This is the preferred method. Page 1 Thermific® Gas-Fired Boiler Introduction/Safety Sidewall Exhaust Vent Air Inlet 2. Both the combustion air ...