A.O. Smith BTH-500A - Manual (Page 3)

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)