A.O. Smith BTF-80 Manual Download

Page: 1 / 24

PRINTED IN U.S.A. 0406

PART NO. 197440-000

Thank you for buying this energy efficient water heater.

We appreciate your confidence in our products.

You should thoroughly read this manual before installation and/

or operation of this water heater. Please pay particular attention

to the important safety and operating instructions as well as the

WARNINGS and CAUTIONS.

CAUTION

TEXT PRINTED OR OUTLINED IN RED CONTAINS

INFORMATION RELATIVE TO YOUR SAFETY. PLEASE

READ THOROUGHLY BEFORE INSTALLING AND USING

THIS APPLIANCE.

MODEL BTF-80

COMMERCIAL POWER VENT GAS WATER HEATER

with Hot Surface Ignition

GET TO KNOW YOUR WATER HEATER

2-3

GENERAL SAFETY INFORMATION

4-5

INSTALLATION

5-14

OPERATION

14-16

MAINTENANCE AND

TROUBLESHOOTING

16-19

TROUBLESHOOTING WITH THE LEDs

WARRANTY

TABLE OF CONTENTS

PAGE

KEEP THIS MANUAL IN THE POCKET ON THE HEATER FOR FUTURE REFERENCE

WHENEVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED.

Summary of Contents for BTF-80

Page 1: ...ONS CAUTION TEXT PRINTED OR OUTLINED IN RED CONTAINS INFORMATION RELATIVE TO YOUR SAFETY PLEASE READ THOROUGHLY BEFORE INSTALLING AND USING THIS APPLIANCE MODEL BTF 80 COMMERCIAL POWER VENT GAS WATER...

Page 2: ...These shall be carefully followed in all cases Authorities having jurisdiction should be consulted before installations are made The installation must conform to these instructions and the local code...

Page 3: ...at 500 Tennessee Waltz Parkway Ashland City TN 37015 When ordering parts provide complete model and serial numbers see rating plate quantity and name of part desired as listed in Figure 1 Standard har...

Page 4: ...the air flow required for proper combustion potentially resulting in fire asphyxiation serious personal injury or death Do not cover the gas valve or temperature pressure relief valve Do not allow in...

Page 5: ...learance of 4 10 cm must be allowed for access to replaceable parts such as the thermostats drain valve and relief valve A top clearance of 24 61 cm should be allowed for blower assembly service Adequ...

Page 6: ...st be checked for safe operation Make sure that the outside vents on the supply regulators and the safety vent valves are protected against blockage These are parts of the gas supply system not the he...

Page 7: ...7 FIGURE 3 WARNING VENT HOOD S MAY BE EXTREMELY HOT DURING OPERATION U S HORIZONTAL VENT CLEARANCES CANADIAN HORIZONTAL VENT CLEARANCES...

Page 8: ...ION CHECK FOR GAS LEAKAGE USE SOAP AND WATER SOLUTION OR OTHER MATERIAL ACCEPTABLE FOR THIS PURPOSE DO NOT USE MATCHES CANDLES FLAME OR OTHER SOURCES OF IGNITION TO LOCATE GAS LEAKS RELIEF VALVE A NEW...

Page 9: ...1785 or Cellular Core Schedule 40 DWV ASTM F 891 Schedule 40 CPVC ASTM F 441 orABS ASTM D 2661 pipe The fittings other than the TERMINATION 45 ELBOW should be equivalent to PVC DWV fittings meetingAS...

Page 10: ...against the wall after installation If the vent pipe is installed up to the wall with a coupling on the end against the wall opening the pipe with the vent terminal can be prepared for gluing before...

Page 11: ...OWER VENT WIRING SCHEMATIC FIGURE 7 CAUTION LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CONTROLS WIRING ERRORS CAN CAUSE IMPROPER AND DANGEROUS OPERATION VERIFY PROPER OPERATION AFTER SERVIC...

Page 12: ...e where it exits the roof The total vent system should not exceed the thirty 30 equivalent feet 9 1 equivalent meters of 3 inch pipe or one hundred 100 equivalent feet 30 5 equivalent meters of 4 inch...

Page 13: ...ing characteristics IMPORTANT NOTE A dauber type applicator should only be used on pipe sizes 2 5 1 cm and below For larger diameter pipe a brush or roller must be used 3 MAKING THE JOINT A Cutting Pi...

Page 14: ...tting will have a tendency to slide back while the cement is still wet so hold the joint together for about 15 seconds STEP F G Cleanup and joint movement Remove all excess cement from around the pipe...

Page 15: ...follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life BEFORE OPERATING ENTIRE SYSTEM MUST BE FILLED WITH WATER AND AIR PURGED FROM AL...

Page 16: ...RESPONSE TIME OF CHILDREN AGED OR DISABLED PERSONS INCREASES THE HAZARDS TO THEM NEVER ALLOW SMALL CHILDREN TO USE A HOT WATER TAP OR TO DRAW THEIR OWN BATH WATER NEVER LEAVE A CHILD OR DISABLED PERS...

Page 17: ...heater for several minutes and check to see if it is venting properly by passing a lit match or paper near the opening of the Air Mixing Box See figure 11 If the draft is proper the match flame will b...

Page 18: ...oted above If you are having a problem with your water heater before calling for service please refer to the following TROUBLE SHOOTING sections If service becomes necessary contact your dealer instal...

Page 19: ...r service to outlet Replace switch Replace control harness Replace blower and motor Replace switch Check for low voltage less than 102 vac have service checked and repaired Ifvoltageisabove102vac make...

Page 20: ...circuit 1 Turn power to the water heater off for 10 seconds and then back on 2 Replace gas control valve Problem with the internal circuit 1 Turn power to the water heater off for 10 seconds and then...

Page 21: ...21 NOTES...

Page 22: ...22 NOTES...

Page 23: ...23 NOTES...

Page 24: ...eptable method 4 SERVICE AND REPAIR EXPENSES Under the limited warranty the warrantor will provide only a replacement water heater or part thereof The owner is responsible for all other costs Such cos...

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