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Фрагмент инструкции
Maximum heat is produced at a lower level on the thermal-pin sections, leading to peak efficiency. TITANIUM COMPOSITE BURNERS—Provide quiet operation, corrosion resistance and improved combustion efficiency. Propane convertible – with accessory kit. CONTROLS—An automatic gas valve and continuous pilot or intermittent pilot provide quiet, dependable operation of the burners. Factory-installed safety components assure protection against overheating, pressure buildup, and low-water operation. INSULATED CASING—The casing is fully insulated with fiber glass for maximum operating efficiency and economy. AUTOMATIC VENT DAMPER—The Model BS1 and BS2 is designed with automatic vent damper to recover chimney loss during off cycle. SECTIONS TESTED—Each section is hydrostatically tested to 50 psig. Individual sections are tested to 125 psig at factory. Assembled sections are tested to 75 psig at the factory. Maximum allowable working pressure is 50 psig. The maximum allowable pressure is 15 psig for steam boilers. INTERGRAL DRAFT—These boilers incorporate an integral draft system to simplify installation. No external draft diverter is needed. WARRANTY—The cast-iron sections are covered by a non- prorated 12-year warranty on the entire assembly. Vent damper covered by 5-year warranty. All other parts are covered by a 1-year limited warranty. SPECIFICATIONS UNIT SIZE 075 112 150 187 225 262 299 GENERAL DATA Sections—Fine Grain Cast Iron No. 3 4 5 6 7 8 9 Burners—Stainless/Titanium Alloy No. 2 3 4 5 6 7 8 Burners—Orifice Drill Size Natural 34 34 34 34 34 34 34 GAS CONTROLS STANDING PILOT (BS1) Gas Valve Honeywell Inlet Size In. 1/2 FPT 3/4 FPT Pilot Assembly Honeywell GAS CONTROLS INTERMITTENT PILOT (BS2) Gas Valve Honeywell Inlet Size In. 1/2 FPT 3/4 FPT Pilot Assembly Honeywell Spark Generator Honeywell/UTEC CONTROLS Low-Water Cutoff McDonnell Miller Pressuretrol Psig 0—15 Pressure Relief Valve Setting 15 Psig Capacity 400 lb/hr Pressure Retard Gage Range Psig 0–30 Drain Cock In. 3/4 Vent Damper* In. 5 6 7 * Factory authorized and listed, field installed. —7— VENT DAMPER RELIEF VALVE 29. 12 1.4 . 2 1.2. N.P.T. LEFT SIDE DIMENSIONS (In.) DIMENSIONS MODELS BS1 and BS2 36 3.8. A PRESSURE GAGE 2 1.2. S86 GAS VALVE 26 1.2 . 4 3.4 . 2 1.2 . TRANSFORMER GLASS PRESSURE GAGE LIMIT CONTROL WATER LOW WATER LINE CUT-OFF LOW WATER 24. CUT-OFF PROBE GAS LINE UNIT SIZE A VENT DIAMETER 075 11-1/4 5 112 14-1/2 6 150 17-3/4 6 187 21 7 225 24-1/4 7 262 27-1/2 7 299 30-3/4 7 FRONT RIGHT SIDE CLEARANCES (In.) RIGHT SIDE 6* LEFT SIDE 6 TOP 6 BACK 6 FRONT 6* * Service clearance requirement 24 in. RATINGS AND CAPACITIES* UNIT GAS TYPE NUMBER OF SECTIONS MAX INPUT (BTUH) HEATING CAPACITY (BTUH) NET RATING AFUE % (WITH DAMPER) APPROX SHIP. WT (Lb)Btuh Sq Ft BS1AAN075 Natural 3 75,000 62,000 47,000 196 81.1 256 BS1AAN112 Natural 4 112,500 91,000 68,000 283 78.8 404 BS1AAN150 Natural 5 150,000 122,000 92,000 383 79.2 483 BS1AAN187 Natural 6 187,500 153,000 115,000 479 79.6 564 BS1AAN225 Natural 7 225,000 183,000 137,000 571 80.1 649 BS1AAN262 Natural 8 262,500 214,000 161,000 671 80.5 719 BS1AAN299 Natural 9 299,000 245,000 184,000 767 80.9 800 BS2AAN075 Natural 3 75,000 62,000 47,000 196 82.7 256 BS2AAN112 Natural 4 112,500 91,000 68,000 283 80.4 404 BS2AAN150 Natural 5 150,000 122,000 92,000 383 80.6 483 BS2AAN187 Natural 6 187,500 153,000 115,000 479 80.9 564 BS2AAN225 Natural 7 225,000 183,000 137,000 575 81.1 649 BS2AAN262 Natural 8 262,500 214,000 161,000 671 81.3 719 BS2AAN299 Natural 9 299,000 245,000 184,000 767 81.6 800 * Rati...
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