A.O. Smith COF, BTPN, BTP-140-140 TYPICAL WIRE DIAGRAM COBT, 140 - 300 KBTUH TYPICAL WIRE DIAGRAM

Models: BTP-140-140 BTPN BTP-140-140 thru 600-2500 COF COBT

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TYPICAL WIRE DIAGRAM

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Contents

MODELS BTP-140-140 thru INSTALLATION OPERATION SERVICE MAINTENANCE LIMITED WARRANTYASME INCLUDING BTPD/BTPN/COF & COBTIDENTIFICATION TABLE OF CONTENTSFOREWORD THESE HEATERS MUST NOT BE INSTALLED ON COMBUSTIBLE FLOORSHIGH ALTITUDE INSTALLATIONS GENERAL SAFETY INFORMATIONPRECAUTIONS GROUNDING INSTRUCTIONSWATER TEMPERATURE CONTROL FEATURESINSTALLATION INSTRUCTIONS REQUIRED ABILITYLEVELING MINIMUM INSTALLATION CLEARANCESLOCATING THE HEATER CLEARANCESPROPER DRAFT CONTROLLER AND VENT PIPE INSTALLATION - FIGURE VENT CONNECTORBAROMETRIC DRAFT CONTROL ASSEMBLY THERMAL EXPANSION CLOSED SYSTEMRELIEF VALVE WATER LINE CONNECTIONSTHERMOMETERS Not supplied GAS PIPINGPURGING WIRINGPOWER BURNER GAS METER SIZE - CITY GASES ONLYTYPICAL WIRE DIAGRAM BTP, 140 - 255 KBTUH TYPICAL WIRE DIAGRAM COBT, 140 - 300 KBTUH TYPICAL WIRE DIAGRAM COF, 140 - 720 KBTUHGENERAL TWO UNIT MANIFOLD INSTALLATIONOPERATION FILLINGFLUSHING MAINTENANCEMAINTENANCE SCHEDULE DRAININGHeater failure due to excessive lime build-up voids the warranty POWER BURNERRELIEF VALVE VENT SYSTEMS TROUBLESHOOTINGCLEANING FLUES-COF & COBT ONLY BAROMETRIC DRAFT CONTROLWATER LEAKAGE IS SUSPECTED REPLACEMENT PARTSWATER HEATER MAKES NOISE REPLACEMENT PARTSKEEP THIS WARRANTY POSTED ADJACENT TO THE HEATER FOR FUTURE REFERENCE Model BTP/BTPD/BTPN/COF/COBT Limited WarrantyCERTIFIED FACTORY START - UP REQUIRED