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Model BTH Limited Warranty

A. O. Smith Corporation, the warrantor, extends the following LIMITED WARRANTY to the owner of this water heater.

1.

THE TANK
If the glass-lined tank in this water heater shall prove upon examination by the warrantor to have leaked due to natural corrosion from potable water
therein, during the first THREE years after initial installation, the warrantor will supply a replacement tank less burner and controls or a complete new
A.O. Smith water heater of equivalent size and current model at the warrantor's option. Some government agencies are requiring energy efficient
standards for water heaters.  In the event regulations prohibit sale of a model of equivalent size and construction, A.O. Smith will provide a model
which complies with the regulations of your area, in which case the consumer will be charged the difference in price between the like replacement
and the energy efficient model required.  The warranty on the replacement water heater will be limited to the unexpired term of the original warranty.

2.

ALL OTHER PARTS
If within ONE year after initial installation of this water heater, any part or portion shall prove upon examination by the warrantor to be defective in
material or workmanship, the warrantor will repair or replace such part or portion at its option.

3.

CONDITIONS AND EXCEPTIONS
This warranty shall apply only when the water heater is installed in accordance with local plumbing and building codes, ordinances and regulations,
the printed instructions provided with it and good industry practices.  In addition, a temperature and pressure relief valve, certified by A.G.A. and
approved by the American Society of Mechanical Engineers, must have been installed.
a. This warranty shall apply only when the heater is:

(1) owned by the original purchaser;
(2) used at temperatures not exceeding the maximum setting of its thermostat;
(3) used at water pressure not exceeding the working pressure shown on the heater;
(4) used when operated free of the damaging effects of uncontrolled water hammer;
(5) used when filled with potable water, free to circulate at all times;
(6) used in a non-corrosive and non-contaminated atmosphere;
(7) used with factory approved anode(s) installed;
(8) in its original installation location;
(9) in the United States, its territories or possessions, and Canada;
(10) sized in accordance with proper sizing techniques for commercial water heaters;
(11) bearing a rating plate which has not been altered, defaced or removed except as required by the warrantor;
(12) fired at the factory rated input using the fuel stated on the rating plate;
(13) maintained in accordance with the instructions printed in the manual included with the heater.

b. Any accident to the boiler, any misuse, abuse (including freezing) or alteration of it, any operation of it in a modified form, or any attempt to repair

tank leaks will void this warranty.

c. This warranty is void if a device acting as a backflow prevention device (check valves etc.) is installed in the cold water supply the heater is

connected to, unless an effective method of controlling thermal expansion is also installed at the heater(s) and operational at all times.
The relief valve installed on the heater is not an acceptable 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 costs may include but are not limited to:
a. Labor charges for service removal, repair or reinstallation of the water heater or any component part;
b. Shipping, delivery, handling, and administrative charges for forwarding the new heater or replacement part from the nearest distributor and

returning the claimed defective heater or part to such distributor.

c. All cost necessary or incidental for any material and/or permits required for installation of the replacement.

5.

LIMITATIONS ON IMPLIED WARRANTIES
Implied warranties, including the warranty of merchantability imposed on the sale of this heater under state law are limited to one (1) year duration
for the heater or any of its parts.  Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply
to you.

6.

CLAIM PROCEDURE
Any claim under the warranty should be initiated with the dealer who sold the boiler, or with any other dealer handling the warrantor’s products.  If
this is not practicable, the owner should contact:

U.S. Customers

Canadian Customers

A. O. Smith Corporation

A. O. Smith Enterprises Ltd.

5621 W. 115th Street

P. O. Box, 310 - 768 Erie Street

Alsip, IL 60803

Stratford (Ontario)  N5A 6T3

Telephone: 1-(800)-323-2636

Telephone: 1-(800) 265-8520

a. The warrantor will only honor replacement with identical or similar water heater or parts thereof which are manufactured or distributed by the

warrantor.

b. Dealer replacements are made subject to in-warranty validation by warrantor.

7.

DISCLAIMERS

NO OTHER EXPRESS WARRANTY HAS BEEN OR WILL BE MADE IN BEHALF OF THE WARRANTOR WITH RESPECT TO THE
MERCHANTABILITY OF THE HEATER OR THE INSTALLATION, OPERATION, REPAIR OR REPLACEMENT OF THE BOILER.  THE WARRANTOR
SHALL NOT BE RESPONSIBLE FOR WATER DAMAGE, LOSS OF USE OF THE UNIT, INCONVENIENCE, LOSS OR DAMAGE TO PERSONAL
PROPERTY OR OTHER CONSEQUENTIAL DAMAGE.  THE WARRANTOR SHALL NOT BE LIABLE BY VIRTUE OF THIS WARRANTY OR
OTHERWISE FOR DAMAGE TO ANY PERSONS OR PROPERTY, WHETHER DIRECT OR INDIRECT, AND WHETHER ARISING IN CONTRACT
OR TORT.

a. Some states do not allow the exclusion or limitation of the incidental or consequential damage, so the above limitations or exclusions may not

apply to you.

b. This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.

Fill in the following for your own reference.  Keep it.  Registration is not a condition of warranty.  The model and serial number are found on the heater’s rating plate.

Date Installed________________________Model No.____________________________________________ Serial No._________________________________________________

Dealer’s Name _____________________________________________________________________Phone No.______________________________________________________

Dealer’s Address__________________________________________________City and State________________________________________Zip Code____________________

FILL IN WARRANTY AND KEEP FOR FUTURE REFERENCE.

Summary of Contents for CYCLONE Xi BTH 400A

Page 1: ...ETY PLEASE READ THOROUGHLY BEFORE INSTALLINGAND USING THIS APPLIANCE INSTALLATION OPERATION SERVICE MAINTENANCE LIMITED WARRANTY WARNING If the information in these instructions is not followed exactl...

Page 2: ...SA B149 1 and CSA C22 1 The former is available from the Canadian Standards Association 8501 East Pleasant Valley Road Cleveland OH 44131 and both documents are available from the National Fire Protec...

Page 3: ...iagnostic Controller 15 Gas Value LEDs Flashing 15 Error Codes 16 Fault Conditions 16 No Incoming Line Voltage 16 No Low Voltage 16 Temperature Probe Fault 16 E C O Switch Open 17 Control Bad 17 Combu...

Page 4: ...ter temperature to exceed the thermostat setting The water temperature would continue to rise until high limit switch operation Contact your dealer or servicer if continued high limit switch operation...

Page 5: ...cover the instruction manual Keep it on the side of the water heater or nearby for future reference Do obtain new labels from A O Smith for placement on the blanket directly over the existing labels...

Page 6: ...of all appliances in the enclosure If horizontal ducts are used each opening shall have a free area of not less than one square inch per 2000 Btuh 1 102mm2 kW of the total input of all appliances in t...

Page 7: ...VER PUBLIC AREA WHERE CONDENSATE OR VAPOR CAN CAUSE NUISANCE OR HAZARD ON DIRECT VENT INSTALLATIONS INLET VENT HOOD MUST BE LOCATED 1 30 5cm MINIMUM FROM ANY OPENING IN BUILDING ON DIRECT VENT INSTALL...

Page 8: ...T TERMINALS AN INTAKE VENT TERMINAL AND AN EXHAUST VENT TERMINAL THE INTAKE VENT TERMINAL IS A 3 45 PVC ELBOW WITH A DOME SHAPE SCREEN AND THE EXHAUST VENT TERMINAL IS A 3 45 PVC ELBOW WITH A MESH WIR...

Page 9: ...TERMINAL INTAKE VENT TERMINAL FIGURE 10 VERTICAL VENT TERMINAL INSTALLATION IMPORTANT WHEN TERMINATING THROUGH A ROOF THE FOLLOWING SPECIFICATIONS PERTAINING TO TERMINAL LOCATION MUST BE FOLLOWED 1 Pr...

Page 10: ...The fittings other than the TERMINATIONS should be equivalent to PVC DWV fittings meeting ASTM D 2665 Use CPVC fittings ASTM F 438 for CPVC pipe and ABS fittings ASTM D 2661 3311 for ABS pipe If CPVC...

Page 11: ...SWITCH SEE FIGURE 13 The Blocked Outlet Prover Switch is set up to shut the unit off when a build up of positive pressure in the exhaust vent pipe occurs This switch is a positive pressure switch that...

Page 12: ...DAMAGE PERSONAL INJURY OR LOSS OF LIFE The Gas Leak Test is performed as follows Paint pipe connections upstream of gas control with a rich soap and water solution to test for leaks before operating m...

Page 13: ...be used in conjunction with this appliance shall also be installed with a properly sized rated and approved temperature ANSI and pressure ASME relief valve s This relief valve shall comply with the st...

Page 14: ...OLTAGE LEVEL OR HAS AN APPLIANCE WHICH GENERATES EMF OF RFI INTERFERENCE CAN CAUSE THE CONTROLLER TO MALFUNCTION A HIGH QUALITY POWER CONDITIONER MUST BE INSTALLED IF THE ABOVE CONDITIONS EXIST MALFUN...

Page 15: ...Dirty burner 10 Clean burner be closed and the blower will continue to run for approximately 10 seconds The control will then return to step 2 9 If a flame is confirmed the control will enter the heat...

Page 16: ...Not Implemented h s 240 Executed State 4 Not Implemented h s 210 Executed State 10 Not Implemented h s 213 Executed State 13 Not Implemented h s 214 Executed State 14 Not Implemented h s 216 Executed...

Page 17: ...ntrol problem 2 Water in tank above freezing 2 Temperature probe out of tolerance replace temp probe Possible Cause Remedy 1 Water in tank is low probe 1 Fill tank immersed in steam 2 Probe wiring sho...

Page 18: ...SERVICE OF THIS WATER HEATER REQUIRES ABILITY EQUIVALENT TO THAT OF A LICENSED TRADESMANIN THE FIELD INVOLVED PLUMBING AIR SUPPLY VENTING GAS SUPPLYANDELECTRICALWORKAREREQUIRED Before attempting start...

Page 19: ...ur hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service technician Force or attempted repair may re...

Page 20: ...ATERS ARE CERTIFIED FOR USE WITHOUT MODIFICATION FOR ALTITUDES UP TO 2000 FEET INSTALLATIONS ABOVE 2000 FEET MAY REQUIRE REPLACEMENT OF THE BURNER ORIFICE CALL THE TECHNICAL INFORMATION CENTER AT 800...

Page 21: ...nance and service procedures may also require draining the heater 1 Turn off the heater electrical disconnect switch 2 Close the cold water inlet valve to heater 3 Open a nearby hot water faucet to ve...

Page 22: ...MANUALLY OPERATING THE VALVE MAKE SURE THAT A DRAIN LINE HAS BEEN ATTACHED TO THE VALVE TO DIRECT THE DISCHARGE TO AN OPEN DRAIN FAILURE TO TAKE THIS PRECAUTION COULD MEAN CONTACT WITH EXTREMELY HOT...

Page 23: ...R SUPPLIED TO FIXTURES PIPE TO OPEN DRAIN INSTALL IN ACCORDANCE WITH LOCAL CODES CAUTION IF BUILDING COLD WATER SUPPLY HAS A BACK FLOW PREVENTER CHECK VALVE OR WATER METER WITH CHECK VALVE PROVISIONS...

Page 24: ...TEMPERATURE SETTING SHOULD NOT EXCEED SAFE TEMPERATURE AT FIXTURES SEE WATER TEMPERATURE CONTROL WARNING ON PAGE 3 IF HIGHER PREHEAT TEMPERATURES ARE NECESSARY TO OBTAIN ADEQUATE BOOSTER OUTPUT ADD A...

Page 25: ...CIFICATIONS PAGE 28 CAUTION IF BUILDING COLD WATER SUPPLY HAS A BACK FLOW PREVENTER CHECK VALVE OR WATER METER WITH CHECK VALVE PROVISIONS FOR THERMAL EXPANSION OF WATER IN THE HOT WATER SYSTEM MUST B...

Page 26: ...ECT CIRCULATING LINE OF 180 F 82 C OR BOOSTED WATER IF USED TO INLET WATER LINE TO BOOSTER INSTALL IN ACCORDANCE WITH LOCAL CODES TWO TEMPERATURE TWO HEATERS ONE PRE HEATER ONE BOOSTER HEATER WITH OR...

Page 27: ...TE 4 IF TEMPERED WATER IS RECIRCULATED RETURN LINE SHOULD BE CONNECTED AT POINT A DANGER TEMPERATURE SETTING SHOULD NOT EXCEED SAFE TEMPERATURE AT FIXTURES SEE WATER TEMPERATURE CONTROL WARNING ON PAG...

Page 28: ...er heating and storage potential of the system cannot be achieved Plus the units with the higher water flow may have a shortened life Unions shown in piping diagrams are not included in the manifold k...

Page 29: ...ED 1 Check to see if the water heater drain valve is tightly closed Also check the cleanout opening for leakage 2 The apparent leakage may be condensation which forms on cool surfaces of the heater an...

Page 30: ...ot greater than 11 0 2 74 kPa W C or lower than the minimal gas supply pressure as shown in Table 4 that is for Natural Gas 6 2 1 54 kPa W C pressure Also the manifold pressure should rise during the...

Page 31: ...on is also installed at the heater s and operational at all times The relief valve installed on the heater is not an acceptable method 4 SERVICE AND REPAIR EXPENSES Under the limited warranty the warr...

Page 32: ...32 A O SMITH WATER PRODUCTS CO INC 5621 W 115TH STREET ALSIP ILLINOIS 60803 PHONE 1 800 433 2545 FAX 1 800 433 2515 www hotwater com E mail parts hotwater com...

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