M3 downflow furnace – Nordyne Downflow Condensing Furnace M3RL User Manual

Page 32

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M3 Downflow Furnace

1

Door Assembly - Louvered

2

Filter Inside Door

3

Blower Assembly

4

Control Board

5

Pressure Switch

6

Flame Rollout Switch

7

“J” Trap Hard Tube

8

Low Voltage Transformer

9

In Line Drain Assembly

10 Junction Box

11 Vent Safety Switch

Figure 29. Location of Major Components

12 Ignitor Assembly

13 Burner View Port

14 Main Limit Switch

15 Coil Cabinet Assembly (Optional)

16 Flame Sensor (On Burner Box)

17 Gas Valve

18 Switch, On/Off

19 Blower, Inducer

20 Orifice (In Burner Box)

21 Aux. Limit

22 Burner Box

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