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9

DES3 

Series

2.0

 Installation • Wiring

Содержание DES3 series

Страница 1: ...of a commercial tube heater system in residential indoor spaces may result in property damage serious injury asphyxiation or death For complete installation instructions see the Tube Heater General M...

Страница 2: ...ents 6 Wiring 7 Specifications 10 Tube Installation Sequence 11 3 0 Operation 12 Sequence of Operation 12 Thermostat 12 4 0 Troubleshooting Guide 14 5 0 Parts 18 Burner Assembly Components 18 Tube and...

Страница 3: ...ions 1 0 Safety Safety Labels and Locations Back Panel Top Panel Bottom Panel F N LLTB018 Natural Gas F N LLTB019 LP Gas F N LLLOGO1 Logo Label Product safety signs or labels should be replaced by the...

Страница 4: ...el and must be placed directly after the titanium coated Combustion Chamber orange labeled tube 150 000 200 000 BTU h models only F N LLTB026 F N LLTB024R F N LLTB025 SERVICE ACCESS PANEL IGNITER FLAM...

Страница 5: ...4 6 92 45 63 8 10 92 with 1 side shield 0 50 8 6 92 with 2 side shields 0 30 30 6 92 20 ft from burner 0 11 11 6 44 DES3 50 60 200 N P 0 41 41 6 94 45 63 8 10 94 with 1 side shield 0 54 8 6 94 with 2...

Страница 6: ...lteration service or maintenance can cause property damage serious injury or death Read and understand the installation operating and maintenance instructions thoroughly before installing or servicing...

Страница 7: ...aters NOTE The transformer relay selected must be capable of handling the combined start up amperage per relay branch 24VAC Thermostat B R G To Heater Branch 2 To Heater Branch 1 Pole 2 Pole 1 24VAC 1...

Страница 8: ...ITCH ELECTRODE ASSEMBLY BK BK BK BK R W O W G W BK GAS VALVE BK W 8 DES3 Series 2 0 Installation Wiring Before field wiring this appliance Check existing wiring replace if necessary NOTE If any of the...

Страница 9: ...This page intentionally left blank There are no alternative wiring diagrams for the DES3 Series 9 DES3 Series 2 0 Installation Wiring...

Страница 10: ...0 N or LP 100 000 50 9 27 5 235 15 to 27 Alum HRT 50 6 2 DES3 50 125 N or LP 125 000 50 9 27 5 235 15 to 27 Alum HRT 50 6 3 DES3 50 150 N or LP 150 000 50 9 27 5 235 16 to 30 Titan Alum HRT 50 6 3 DES...

Страница 11: ...MBH models only Hot rolled Steel Radiant Emitter Tube Stainless steel clamp location on 175 200 MBH models P N TP 220 Aluminized steel secondary combustion chamber location on 150 200 MBH models Stai...

Страница 12: ...d lockout Running Circuit After ignition the control senses and monitors burner flame through the electrode If sense of flame is lost the control immediately disrupts power to the gas valve and then r...

Страница 13: ...This page intentionally left blank 13 DES3 Series 3 0 Operation...

Страница 14: ...r physically damaged No Yes Replace igniter Yes No Find the source of the electrical problem Check the gap on the igniter Is the gap between 3 16 in and 1 4 in No Adjust gap Yes No Yes No During the i...

Страница 15: ...safety differential pressure switch The switch is a normally open switch and is located in the air chamber Temporarily place a jumper across the terminal of the switch Does the igniter spark Yes Yes...

Страница 16: ...s pressure ok Yes Make sure gas lines were purged of air and or correct pressure problems The following can cause the heater to shut down Improper grounding High winds Taking combustion air from the a...

Страница 17: ...lace electrode if needed No Check the gap on the igniter Is the gap between 1 8 in and 3 16 in Adjust gap No 4 0 Troubleshooting Guide Flame Current Check Single Spark Sense To measure flame current d...

Страница 18: ...3 Low SS Burner Color Code BLUE TP 20D 10 ft Stainless Steel Reflector TP 201B V 3 Mid Burner Color Code TAN TP 21B 4 in O D Tube Clamp TP 204 Gas Orifice consult factory TP 26A 10 ft Aluminized Combu...

Страница 19: ...to 125 MBH TP 3070 Low BTU SS Burner Color Code RED TP 3001 Divider Panel TP 3071 High BTU Burner Color Code PURPLE TP 3002A Left End Panel TP 3093 8 32 Cage Nut Qty 4 TP 3003A Right End Panel TP 3094...

Страница 20: ...t 40 ft 50 ft 60 ft TP 19B 4 in Hanger 3 4 5 6 7 TP 21B 4 in Tube Clamps 2 3 4 5 6 TP 82 4 in Reflector Center Support 1 1 1 1 1 TP 83 24 in S S Flexible Gas Connector 1 1 1 1 1 TP 105 Reflector End C...

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