Gas-Fired Products N7/L7, 100, 40, 150, 175, 200 manual Burner Component Locations

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20.0) BURNER COMPONENT LOCATIONS

2

9

Note: This panel	4	3
must remain closed

for burner operation.

22

34

17

14 15

16	13	18	19
			19

Legend:

30	6		32	31
				31
7			8	12
7			8
33
10		11	3	5
10		11		5
				Note: This panel
				must remain closed
				for burner operation.
23			24
			24
21			26	35

25

20

27

1

28

29

1Cabinet Assembly

2 Access Panel - Top

3 Access Panel - Hinged (2 ea)

4 Access Panel - LH Burner

5 Access Panel - RH Burner

6 Air Inlet Screen

7 Gas Inlet Connection - 1/2”NPT

8 Power Supply Cord - 120V

9 Burner Sight Glass

10 Indicator Light - Amber (Gas Valve)

11 Indicator Light - Red (Air Switch)

12 Tube Flange Connection

13 Main Burner

14 Flame Screen (200m/BTU units only)

15 Electrode

16 Flame Sensor

17 Main Burner Orifice

18 Air Restrictor Plate

19Gas Control Valve

20Ignition Module

21Ignition Cable

22Blower Assembly

23Transformer - 120/24 VAC

24Terminal Block/Fishpaper Shield

25Air Switch

26Air Sensing Tube (P1+)

27Air Sensing Tube (P2-)

28Manifold Pipe

29Manifold Support Bracket/Clamp

30Terminal Block (24V thermostat)

31Terminal Block (TISS connection)

32Starting Collar

33Valve Holder Plate

34Fuseholder/Fuse (2 amp)

35Combustion Air Plate

Form #43343530
July 08	–41–

Image 42

Contents Installation and Operation Instructions Table of Contents Installation Requirements SafetyInstaller Responsibility General InformationFor Canada only High AltitudeMinimum Clearances to Combustibles Minimum Clearances to CombustiblesSpecifications Packing ListBurner Package Numbers Natural GASPTU 40-200 Body Package Descriptions Reflector, 4’ 11 ½’ Accessories End Reflector Accessory PackageExhaust Hood Package Typical Layouts PTU / PTS Series Emitter Length Body Length ModelTypical Assembly Layout Poisonous GAS and Soot HazardPTS Series Dimensions PTU Series Heater Assembly Joining of Tube SectionsTypical Assembly Overview PTU 40FT Shown Typical Suspension Methods Suspension HazardAssembly of Tube Sections CUT HazardAssembly of Extension Section MIN 8’ MAX 10’ Between HangersInserting Turbulators Adding Reflectors Ft. Turbulator SectionsAdding Optional 90º Elbow PTS only Adding Optional Corner Reflector PTS onlyAdding 180U-Bend PTU only Adding Optional U-BEND Reflector PTU onlyAttaching Burner BOX Assembly Connecting the Tiss System InstructionsEnd View Angle Mounted Heaters only GAS Connections and Regulations Do not USE AN Open Flame of ANY Kind to Test for LeaksKEY Dimensions and Components of the GAS Connections Instructions for Pressure Test Gauge Connection Supply PressureManifold PRESSURE- Combination GAS Valve is Factory SET Electrical Connections GAS Control ValvePS/W Ignition Module Terminal Designations 24VAC/RTH/W GNDLOW Voltage 24V Thermostat Connections Single Heater LOW Voltage 24V Thermostat Connections Multiple HeatersVenting Single Heater Venting Vertical Through the RoofSingle Heater Venting Horizontal Through Sidewall #10 Self-Drill Vent Pipe Screws Common Vent Diameter Indirect Venting Unvented HeatersAIR for Combustion Direct Outside AIR for CombustionLighting and Shutdown Instructions Side ViewSequence of Operation Burner Component Locations Cleaning and Maintenance Electric Shock & Explosion HazardTroubleshooting Guide 22.0Form #43343530 JJuly Replace air switch Restart Troubleshooting Yes Replacing Parts Removal of Main Burner and ElectrodesRemoval of GAS Valve and Manifold Assembly AIR Switch Pressure CheckIgnition Module Diagnostics Ignition System ChecksTo Check Flame Sensor Circuit Installation Data Replacement Parts Guide Burner BOXLabels/Manual 22c Body Components Description