Detroit Radiant Products DES 20-50 Installation, Operation, Maintenance And Parts Manual Download Page 7 | Manualshive

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Alternative Wiring Diagrams

DES Series - 4” Tube Heater Installation, Operation, Maintenance and Parts Manual

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THERE ARE NO ALTERNATIVE WIRING DIAGRAMS FOR THE DES SERIES

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Summary of Contents for DES 20-50

Page 1: ...all safety information Retain instructions for future reference Qty Model Gas Type circle one BTU H Straight Length U Tube Length Weight Typical Mount Height Combustion Chamber Radiant Emitter Tube Ty...

Page 2: ...DEL NO MOUNTING ANGLE SIDE TOP BELOW Failure to comply with the stated clearances to combustibles could result in personal injury death and or property damage This heater should be installed so that t...

Page 3: ...placebafflesinthelasttubes farthestfromtheburner asshownonpages 13 14 of the general manual Aluminized Aluminized Aluminized or Titanium Aluminized or Titanium Aluminized or Titanium Hot Rolled Hot Ro...

Page 4: ...ame is not established within the 15 second trial for ignition the unit will retry two additional times before entering lockout mode If lockout occurs the control can be reset by briefly interrupting...

Page 5: ...TURE RATING OF AT LEAST 105 C IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE APPLIANCE MUST BE REPLACED IT MUST DES LADDER DIAGRAM GAS VALVE PRESSURE SWITCH L2 R BK R BK BK 120VAC L1 BLOWER DES BLOC...

Page 6: ...lay is used in conjunction with most low voltage T stats when wiring tube heaters WHITE WHITE COIL W G Y C R W NC L2 L1 COM T stat GRD HEATER BURNER BOX HEATER BURNER BOX HEATER BURNER BOX NOTE Up to...

Page 7: ...7 Alternative Wiring Diagrams DES Series 4 Tube Heater Installation Operation Maintenance and Parts Manual THISPAGEINTENTIONALLYLEFTBLANK THEREARENOALTERNATIVEWIRINGDIAGRAMSFORTHEDESSERIES...

Page 8: ...l the cover Does the ignitor spark YES Replace the appropriate switch after verifying the following Baffle s is in the tube s farthest from the burner Heater fan blower squirrel cage intake and exhaus...

Page 9: ...han 0 7 microamps Check to make sure flame sensor wire is OK and then replace circuit board Sensing rod is faulty or flame is weak Check to make sure heater is operating at proper gas pressure as indi...

Page 10: ...0C 82 209 12 201 11 223 212 31B 5 70 55A 208 204 31B 13 13 68A 122 44 9 10 1 97 NOPS 26B 26A C o m b u s t i o n C h a m b e r 26C 21B 220 65I E m i t t e r T u b e s DES Series 4 Tube Heater Installa...

Page 11: ...10 CIRCUIT BOARD W PRE PURGE TP 65I INTERLOCKING 33 BAFFLE SECTION TP 552 WIRING HARNESS TP 68A STRAIN RELIEF BUSHING TP 553 IGNITOR MOUNTING BRACKET TP 70 CONTROL BOX COVER GASKET PER FOOT TP 554 SP...

Page 12: ...components EMITTER COMBUSTIONTUBES Aluminized combustion chamber 50 125MBTU Hmodels Titanium combustion chamber 150 175MBTU Hmodels 16ga 4 O D hot rolled steel radiant tubes Combustion chamber coated...

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