A.O. Smith 974 Series, 975 Series manual Cyclone XHE BTH 300A/400A Control Panel

CYCLONE XHE BTH 300A/400A - CONTROL PANEL

		BTH300A	BTH400A
Item	Description	974/975	974/975
1	Board, Display Panel	194808	194808
2	Bracket, Mounting Left	194123-1	194123-1
3	Bracket, Mounting Right	194123	194123
	Control Board, Cable Assembly
	(includes 4 & 4A)	194811	195018
4	Control Board	194812	195010
4A	Cable Assembly	194809	194809
5	Junction Box Assembly	194126	194126
6	Junction Box Cover	2233	2233
7	Label, Display Panel	194203	194203
8	Label, Led	194915	194915
9	Panel Front	193884	193884
10	Screw, Plastic	194202	194202
11	Switch,Off/On	193243	193243
12	Splatter Shield	197117-000

CYCLONE XHE BTH 300A/400A - OPERATING CONTROLS & WIRING (See Next Page)

		BTH 300A	BTH 400A
Item	Description	974/975	974/975
1	Cable Assembly, Power Switch	194785	194785
2	Blower Prover Air Switch	194706	195013
3	Box, Anode	194857	194857
4	Box, Junction	194126	194126
5	Cable Assembly, Low Voltage	194918	194918
7	Wire Harness	194783	194783
8	Cable, Assembly - Controls	194784	194784
9	Wire Assembly - Air Flow Switch	192802-2	192802-2
10	Wire Assembly - Air Flow Switch	192802-1	192802-1
	Control Board, Cable Assembly (Includes Item 11 & 11A)	194811	195018
11	Control Board	194812	195010
11A	Cable Assembly	194809	194809
12	Display Board	194808	194808
13	Electronic Control	194747	194747
14	Probe, Upper	192606	192606
15	Probe, Lower	192609	192609
16	Switch, Blocked Inlet	194911	195012
17	Switch, Blocked Outlet - NAT	194910	194910
	Switch, Blocked Outlet - LP	195017	195017
18	Pump, Recirculation	196915	196915
19	Switch, On/Off	193243	193243
20	Switch, NAT, Low Gas Pressure	191149-6	191149-6
	Switch, LP ,Low Gas Pressure	191149-4	191149-4
21	Transformer	192608	192608
22	Valve, Natural Gas	194536-5	194536-5
22	Valve, LP Gas	194536-6	194536-6
23	Tubing, 1/4" ID, PVC	193738	193738
24	Cable Assembly, Igniter	194937	194937

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