A.O. Smith 974 Series, 975 Series manual CYCLONE XHE BTH 300A/400A - CONTROL PANEL

Models: 975 Series 974 Series

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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

3

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A.O. Smith 974 Series, 975 Series manual CYCLONE XHE BTH 300A/400A - CONTROL PANEL