Detroit-radiant-products-company DES3 Series User Manual

DES3 Series Insert ManualWARNING!Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or death. Rea

Model NumberGas Type (Select One)BTU/h Straight Length U-Tube Length Standard Weight (lbs.)Recommended Mounting Height^Combustion Chamber(s) (Black C

Key20 Foot50 Foot60 Foot30 Foot40 FootStandard Tube ClampStainless Steel Tube Clamp (P/N: TP-220) 150-200 MBH models only - Located between 1st and 2n

WARNING!12DES3 Series3.0 Operation • Sequence of Operation • Thermostat3.0 OperationNOTE: Reference the Tube Heater General Manual (LIOGT3) for instal

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14DES3 SeriesIs the ball valve in the ON position?Check that gas pressure is within minimum and maximum inputs as indicated on the heater’s rating pla

NOTICEBypassing any switch is intended for testing purposes only. Do not leave switch bypassed during normal operation or the heater’s built-in safet

16DES3 SeriesDoes the burner stay on briefly and then shut off?4.0 Troubleshooting Guide Continued from page 14.Check the gap on the igniter. Is the g

17DES3 SeriesCheck that gas pressure is within minimum and maximum inputs as indicated on the heater’s rating plate. Is gas pressure ok?NoDifferentia

18DES3 Series5.0 Parts • Heater Components and Parts List5.0 PartsChart 5.1 • Parts ListFigure 5.1 • Burner Assembly Components21B15141617583221305530

19DES3 Series5.0 Parts • Heater Components and Parts ListFigure 5.2 • Tube & Reflector ComponentsPart # Description Part # DescriptionTP-264F Diffe

2DES3 SeriesContents1.0 Safety...3 Safety Labels and Locations ...

Chart 5.2 • Kit Contents for DES3 Series - Reference the length column for your model.Kit Contents Check List20 © 2014 Detroit Radiant Products Co.214

SERVICE ACCESS PANELCONTROLS & GAS VALVE COMPARTMENT 1. Disconnect gas & electricity.2. Remove four (4) thumbscrews.3. Remove top cover.4. Swi

AVOID EQUIPMENT FAILURETHIS 10 FT. TUBE IS THE COMBUSTION CHAMBER.THIS TUBE MUST BE THE FIRST TUBE FOLLOWING THE BURNER CONTROL BOX.!INSTALLERThe comb

5DES3 Series1.0 Safety • Clearance to CombustiblesModel NumberMounting Angle *SidesTop BelowFront BehindDES3 (20, 30, 40) - (50, 60) [N, P]0° 9 9 6 47

6DES3 Series2.0 Installation2.0 Installation • Electrical Requirements • 120VAC-60 Hz, single-phase, 3-wire. • 120VAC thermostat connection; 24V

WARNING!7DES3 Series2.0 Installation • WiringWiringFigure 2.1 • Field Wiring DiagramsA. 24VAC Thermostat Control (requires optional combination relay

8DES3 Series2.0 Installation • WiringBefore field wiring this appliance - Check existing wiring; replace if necessary.NOTE: If any of the original wir

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