1 - RATINGS & DATA - NATURAL GAS & PROPANE GAS - Ratings and Capacities Table 1 High Heating Net AHRI Recommended Water Input AFUE Elect. Altitude No. Of Capacity Rating Water Air Cushion Tank Content Model No. Ign. Input Burners (Gals.) BWBBAN000120...
3 - INSTALLATION PROCEDURE WARNING WARNING FOR INSTALLATION ON NON-COMBUSTIBLE FLOORS ONLY - Boiler can not be installed on carpeting. Minimum Clearances To Combustible Construction (As Seen From Above) 8" 3" 9" BOILER Control Side 18" Front P/N IM-BWBB-01 [240011111 REV B, 06/30/2016]...
4 - VENTILATION & COMBUSTION AIR • о • о • о • • о • • о • о Table 3 - Minimum Room Volume, Indoor Air Only* Standard Input Mbh Method 2363 4800 20160 10080 4032 3360 6000 12600 8400 6300...
5 - CONNECTING SUPPLY AND RETURN PIPING NOTICE Figure 2 - Circulators Mounted on Supply See Special Conditions, Page 9 PRESSURE REDUCING VALVE GATE VALVE SUPPLY PIPING TO HEATING AND COOLING ELEMENT CIRCULATOR PROPER BACKFLOW WATER PROTECTION EXPANSION FEED CHILLER DEVICE TANK WATER...
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5 - CONNECTING SUPPLY AND RETURN PIPING Figure 3 - Bypass Piping -Automatic Mixing Valve, See Bypass Piping Options, Page 9 FROM SYSTEM TO SYSTEM WATER INLET EXPANSION TANK Note BOILER ALTERNATE CIRCULATOR LOCATION PRESSURE BALL VALVE AIR SEPARATOR CIRCULATOR REDUCER VALVE SHUT-OFF 3 WAY MIXING...
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5 - CONNECTING SUPPLY AND RETURN PIPING Figure 5 - Single Zone System With DHW Priority Figure 6 - Multi-Zone System with Circulators and DHW Priority P/N IM-BWBB-01 [240011111 REV B, 06/30/2016]...
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5 - CONNECTING SUPPLY AND RETURN PIPING Figure 7 - Multi-zone System With Zone Valves And DHW Priority (With Circulator) Multi-zone System With Zone Valves And DHW Priority (With Zone Valve) Figure 8 - P/N IM-BWBB-01 [240011111 REV B, 06/30/2016]...
9 - CONNECTING GAS SERVICE General CAUTION • WHAT TO DO IF YOU SMELL GAS • • • • • • • • • Figure 11 - Drip Leg • Table 5 - Gas Pressure DANGER Leak Check Gas Piping Maximum Capacity Of Pipe In Cubic Feet Of Gas/Hour Table 4 - Gas Piping •...
10 - ELECTRICAL SECTION WARNING Electrical Wiring • • See wiring diagrams on the following two pages for details. Thermostat Installation P/N IM-BWBB-01 [240011111 REV B, 06/30/2016]...
12 - LIGHTING INSTRUCTIONS OPERATING INSTRUCTIONS FOR INTERMITTENT WARNING PILOT SYSTEM If you do not follow these instructions causing property damage, personal injury or loss of life. • Do NOT try to light this burner by hand. • Figure 14 - Intermittent Pilot •...
13 - NORMAL SEQUENCE OF OPERATION Figure 15 - Blocked Vent Safety Switch, Roll-out Safety Switch Section Boiler do not attempt to place boiler back into operation. Section Boiler 14 - GENERAL INSTRUCTIONS WARNING Check and maintain circulators. Refer to circulator manufacturer's instructions.
15 - CHECKING GAS INPUT RATE TO BOILER Figure 19 - Boiler Right Side and Front High Limit Control Front Lower Jacket Panel Gas Valve CHECK SAFETY CONTROL CIRCUIT. Intermittent Pilot: High Limit Control (Figure 23) P/N IM-BWBB-01 [240011111 REV B, 06/30/2016]...
APPENDIX A - CONTROL MODULE A.1 Installation Environment Considerations A.3 Adjusting Settings WARNING If you do not follow these instructions causing property damage, personal injury or loss of life. о • Do not use this appliance if any part has been under water.
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APPENDIX A - CONTROL MODULE A.5 Operation Table 6 - Operation State Codes State Code Explanation Number Idle P/N IM-BWBB-01 [240011111 REV B, 06/30/2016]...
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APPENDIX A - CONTROL MODULE A.6 Boiler High Limit Temperature Controller A.7 Troubleshooting • • • • • • • • • Figure 21 - Basic Control Algorithm Example A.8 Troubleshooting Error Codes P/N IM-BWBB-01 [240011111 REV B, 06/30/2016]...
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APPENDIX A - CONTROL MODULE Table 7 - Troubleshooting Error Codes Error Code Consequence Number STEP 2: A.9 Intermittent Ignition System STEP 1: • • • • P/N IM-BWBB-01 [240011111 REV B, 06/30/2016]...
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