A.O. Smith CYCLONE Xi BTH 500A User manual

1
COMMERCIAL WATER HEATER PARTS LIST
Model BTH-300A
Model BTH-400A
Model BTH-500A
Series 100/101
PRINTED 1207 197177-004
CYCLONE Xi MODEL BTH-300A/400A/500A
See Page 2
OPERATING CONTROL
See Page 3- 4
GAS VALVE
See Page 5
EXHAUST ELBOW, VENT KIT & BLOWER INTAKE PARTS
See Page 6
BLOWER/BURNER ASSEMBLY
See Page 5

2
BTH 300A BTH 400A BTH 500A
Item Description 100/101 100/101 100/101
1......... Cleanout Gasket................................................. 9004099015.................. 9004099015 ..................9004099015
2......... Cover, Cleanout.................................................. 9004098005.................. 9004098005 .................. 9004098005
3......... Temperature and Pressure Relief Valve ............... 9005903205.................. 9005903205 .................. 9005903205
CYCLONE Xi BTH 300A/400A/500A - PARTS LIST
Standard hardware items may be purchased locally.

3
BTH 300A BTH 400A BTH 500A
Item Description 100/101 100/101 100/101
1........Switch, On/Off .................................................... 9005929215.................. 9005929215 .................. 9005929215
2........Display Overlay .................................................. 9006239005.................. 9006239005 .................. 9006239005
3........Display Board ..................................................... 9006240005 .................. 9006240005 .................. 9006240005
4........Electronic Controller - Natural Gas .................... 9006231005.................. 9006235005 ..................9006237005
4........Electronic Controller - LP ................................... 9006232005.................. 9006235005 .................. 9006237005
5........Switch, blocked inlet........................................... 9006083215.................. 9006006215 .................. 9006243015
6........Switch, Blower Prover ........................................ 9004586215.................. 9006002215 .................. 9006244015
7........Switch, blocked outlet ........................................ 9006087215.................. 9006088215 ..................9006007215
8........VFD Assembly........................................................ ---------- ...................... 9006245005 ..................9006245005
9........Powered anode - short....................................... 9006247005.................. 9006247005 ..................9006247005
10 .......Powered anode - long ........................................ 9006246005.................. 9006246005 ..................9006246005
11 .......Tubing - 1/4" silicone.......................................... 9006249015.................. 9006249015 ..................9006249015
12 .......Probe, upper ...................................................... 9004238215.................. 9004238215 .................. 9004238215
13 .......Probe, lower (not shown) ................................... 9006242015.................. 9006242015 ..................9006242015
CYCLONE Xi BTH 300A/400A - OPERATING CONTROLS & WIRING (See Next Page)

4
BTH 300A BTH 400A BTH 500A
Item Description 100/101 100/101 100/101
1......... Switch, Low Gas Pressure ................................. 9006084215.................. 9006084215 ..................9006084215
LP Gas................................................................ 9004474215 .................. 9004474215 ..................9004474215
2......... Valve, Natural Gas.............................................. 9006085205.................. 9006085215 ..................9006248005
Valve, LP Gas ..................................................... 9006086205 .................. 9006086205 .................. 9006086205
3......... Orice, Natural Gas ............................................ 9006090215.................. 9006091215 .................. 9006250015
Orice, LP Gas ................................................... 9006092215 .................. 9006093215 ..................9006251015
4......... Orice holder ...................................................... 9006094215 .................. 9006094215 ..................9006094215
GAS VALVE
Standard hardware items may be purchased locally.

5
BTH 300A BTH 400A BTH 500A
Item Description 100/101 100/101 100/101
1......... Gasket 8" ............................................................ 9006095205.................. 9006095205 .................. 9006095205
2......... Shield - Heat....................................................... 9006096205.................. 9006096205 .................. 9006096205
3......... Gasket - Insulation.............................................. 9006097205.................. 9006097205 ..................9006097205
4......... Flange - Burner................................................... 9006098205.................. 9006098205 ..................9006098205
5......... Burner Assembly ................................................ 9006099205 .................. 9006099205 ..................9006099205
6......... Gasket - Burner .................................................. 9006100205.................. 9006100205 ..................9006100205
7......... Ignitor.................................................................. 9006101205 .................. 9006101205 ..................9006101205
8......... Window - Observation ........................................ 9006102215.................. 9006102215 ..................9006102215
9......... Gasket - Viewport ............................................... 9006103215.................. 9006103215 ..................9006103215
10 ........ Screw - Socket Head Cap .................................. 9006104215.................. 9006104215 ..................9006104215
11 ........ Blower/Motor ...................................................... 9006105205.................. 9006114205 .................. 9006114205
12 ........ Sensor - Flame ................................................... 9006106205.................. 9006106205 ..................9006106205
13 ........ Coupling - Power Vent........................................ 9006107205.................. 9006107205 .................. 9006107205
14 ........ Blower Intake Reducer Assembly....................... 9006108205.................. 9006108205 ..................9006108205
BLOWER/BURNER ASSEMBLY
Standard hardware items may be purchased locally.

6
BTH 300A BTH 400A BTH 500A
Item Description 100/101 100/101 100/101
EXHAUST ELBOW AND FITTINGS
1......... Exhaust Elbow Assembly ................................... 9006109205 .................. 9006109205 ..................9006109205
2......... Tubing................................................................. 9006110215 .................. 9006110215 .................. 9006110215
3......... Connector, Exhaust ............................................ 9006111205 .................. 9006111205 .................. 9006111205
VENT KIT PARTS
4......... Intake/Vent Terminal ........................................... 9006112205 .................. 9006112205 .................. 9006112205
5......... Wall Plates (2 required) ...................................... 9006113205 .................. 9006113205 .................. 9006113205
6......... Silicone Sealer, 2 oz. tube ...................................... 181564.......................... 181564 .......................... 181564
EXHAUST ELBOW, VENT KIT & BLOWER INTAKE PARTS

NOTES:

A.O. Smith Water Heater Parts Fulllment
125 Southeast Parkway
Franklin, TN 37068
1-800-433-2545
www.hotwater.com