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Board with cooling relay 24, Flame sensor 24, Fuse 24,27 – Reznor MAPSII Series Parts Manuals User Manual

Page 25: High gas pressure switch 24, Low gas pressure switch 24, Code 155 - burner orifices

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P-MAPSII, P/N 271467R1, Page 24

CODE 155 -

Burner

Orifices

CODE 165 - Low

Gas Pressure

Switch

(auto reset),

P/N 204375

CODE 166 - High

Gas Pressure Switch

(manual reset),

P/N 204297

CODE 167 -

Combustion

Air Proving

Switch

CODE 168 -

Ignition Control,

P/N 195573

CODE 169 -

DSI Electrode

Assembly

CODE 170 -

Flame Sensor,

P/N 195292

CODE 171 - High

Temperature Limit

Control (capillary

style)

If fuse needs to

be replaced, use

P/N 201685 or

field-supplied Type

ATC or ATO 3, color

violet.

Located in the blower cabinet.

Gas Heat Section - Models RDCA and RDDA (cont’d)

Heat Section with One Split Burner

100

150

200

250

300

350

400

Natural

Gas

1/3 Burner

Section

P/N

205863

120146

120152

205719 120158 208246 208243

Size/Marking 2.75 mm 3.4 mm

#23

4.4 mm

#10

#5

5.6 mm

2/3 Burner

Section

P/N

205857

205858

205713

205714 205715 208255 208253

Size/Marking

#23

#12

7/32”

6.2 mm

6.9 mm

L

7.8 mm

Propane

1/3 Burner

Section

P/N

205862

124967

196852

196853 205720 208249 120146

Size/Marking 1.7 mm 2.10 mm Brass #39,

Drilled #40 Brass #37 2.9 mm

1/8

3.4 mm

2/3 Burner

Section

P/N

205859

205860

205716

205717 205718 208289 208290

Size/Marking

3/32”

2.9 mm

3.3 mm

3.75 mm 4.1 mm

#16

3/16

Heat Section with One Split Burner

and One Non-Split Burner

450

500

550

600

650

700

Natural Gas

1/3 Burner

Section

P/N

205719

208247

120167

120157 122177 208244

Size Marking 4.4 mm

#14

F

#12

5.5 mm

5.7 mm

2/3 Burner

Section

P/N

208250

208251

208254

208252 208252 208256

Size/Marking

5.7mm

6.0mm

#15

6.8mm

6.8mm

I

Non-Split Burner

- Right Venturi*

P/N

205719

208247

120167

120157 122177 208244

Size/Marking

4.4mm

#14

F

#12

5.5 mm

5.7 mm

Non-Split Burner

- Left Venturi*

P/N

208250

208251

208254

208252 208252 208256

Size/Marking

5.7mm

6.0mm

#15

6.8mm

6.8mm

I

Propane

1/3 Burner

Section

P/N

196853

208937

205863

205720 120145 120147

Size/Marking Brass #37

#34

2.75 mm

2.9 mm

3.3 mm

#29

2/3 Burner

Section

P/N

208938

208939

208291

205718 208292 208940

Size/Marking

#29

3.6mm

5/32

4.1 mm

#21

#19

Non-Split Burner

- Right Venturi*

P/N

196853

208937

205863

205720 120145 120147

Size/Marking Brass #37

#34

2.75 mm

2.9 mm

3.3 mm

#29

Non-Split Burner

- Left Venturi*

P/N

208938

208939

208291

205718 208292 208940

Size/Marking

#29

3.6mm

5/32

4.1 mm

#21

#19

*Left or right when looking into the cabinet or at the closed side of the burner (side opposite the flame).

Gas Heat Section Controls (quantities not listed are one)

Code Description

100

150 200

250

300

350

400

450 500 550 600 650 700

165 Low Gas Pressure Switch

204375, #C6097a1053 (On manifolds with Option BP3 or BP4)

166 High Gas Pressure Switch

204297, #C6097b1028 (On manifolds with Opiton BP2 or BP4)

167 Combustion Air Proving Switch

196388, .50”w.c.

196362, .55”w.c.

197028, .65”w.c.

168 Direct Spark Ignition Control

Board with Cooling Relay

195573

(2)

195573

168A Fuse for CODE 168, DSI Control

201685

(2)

201685

169 DSI Eletrode Assembly

207502, 24” lead

208796, 60”lead

(2)

208796, 60”lead

170 Flame Sensor 1769-82

(2)

195292

(3)

195292

(4) 195292

171 High Temperature Limit Control

201741, 66”

capillary, 240°

148588, Tod 10H11 221300

172 Wiring Harness Assembly

195656

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173 Wiring Harness Assembly

201419

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