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TID-0066_0B

AERCO International, Inc.

•

100 Oritani Dr.

•

Blauvelt, New York 10913

•

Phone: 800-526-0288

TECHNICAL INSTRUCTIONS

Latest Update: 10/16/2014

24-Month Maintenance

Kit P/N 58025-05

For BMK1.5LN Boilers

Description of Document:

This TID provides the procedures to perform
recommended 24-Month maintenance on the
following Benchmark Low NOx Boiler Models:

•

Benchmark 1.5LN

•

Benchmark 1.5LN Dual-Fuel

BMK 1.5LN Blower/Burner Assembly

Содержание AERCO 58025-05

Страница 1: ...ONS Latest Update 10 16 2014 24 Month Maintenance Kit P N 58025 05 For BMK1 5LN Boilers Description of Document This TID provides the procedures to perform recommended 24 Month maintenance on the foll...

Страница 2: ...nance 15 6 2 1 Exhaust Manifold Disassembly and Inspection 15 6 2 2 Exhaust Manifold Reassembly 16 6 2 3 Condensate Trap Component Replacement 17 6 3 Replacing the LWCO Probe Capacitor Assembly 20 6 3...

Страница 3: ...ection Kit Part No 58025 05 ITEM QTY PART NO DESCRIPTION 1 1 58023 IGNITER INJECTOR REPLACEMENT KIT 1 x IGNITER INJECTOR P N 66026 1 x NUT COMPRESSION P N 56047 3 x WASHERS CLOCKING INDEXING P N 53033...

Страница 4: ...led procedures required to perform the waterside and fireside inspections included in these instructions are provided in sections 5 and 6 However prior to performing the procedures in section 5 and 6...

Страница 5: ...ceeding 3 At the rear of the unit Figure 3 slowly open the drain valve and drain the boiler water from the heat exchanger 4 Open the P T relief valve Figure 2 to allow air to enter the heat exchanger...

Страница 6: ...24 Month Maintenance Kit 58025 05 Instructions Technical Instruction Document TID 0066_0B AERCO International Inc 100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 Figure 2 Benchmark 1 5LN Si...

Страница 7: ...nd Inspection Preliminary Burner Reassembly Burner Component Replacement Final Burner Reassembly Exhaust Manifold Condensate Maintenance section 6 2 Exhaust Manifold Disassembly and Inspection Exhaust...

Страница 8: ...h Maintenance Kit 58025 05 Instructions Technical Instruction Document TID 0066_0B AERCO International Inc 100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 Figure 4 Benchmark 1 5LN Top View F...

Страница 9: ...NER ASSEMBLY MAY BE EXTREMELY HOT TO AVOID BURNS ALLOW IT TO COOL SUFFICIENTLY BEFORE ATTEMPTING TO REMOVE IT FOR INSPECTION 2 Disconnect the lead wire from the Flame Detector shown in Figure 6 Unscre...

Страница 10: ...replace it with one from the kit and then secure it with the two screws 7 Disconnect the unit wiring harness connectors from the Air Fuel Valve and Blower motor Figure 5 8 Disconnect the Fast On wire...

Страница 11: ...from A F Valve as shown Retain the gasket P N 81057 for later reassembly Figure 7 Exploded Veiw of Blower Air Fuel Valve BMK1 5LN 12 Remove the four 4 1 4 20 hex nuts and flat washers securing the Bl...

Страница 12: ...Burner components may be replaced the Burner must be partially reassembled as follows Preliminary Burner Reassembly Instructions 1 Remove the two old Burner Gaskets P N 81063 and install the new gaske...

Страница 13: ...placement instructions Blower Gasket P N 81064 Burner Gaskets 2 x P N 81063 Air Fuel Valve to Gas Train O Ring P N 88003 Igniter Injector P N 66026 a component of kit P N 58023 Flame Detector and gask...

Страница 14: ...en Figure 8 Benchmark 1 5LN Igniter Injector Orientation 4 Connect the Staged Ignition Assembly to the Igniter Injector s Gas Tube by securing the compression nut P N 56047 to the elbow of the Staged...

Страница 15: ...a component of kit P N 58023 Flame Detector and gasket P N 66034 81048 7 This completes the Burner Maintenance for the BMK1 5LN boiler Proceed to section 6 2 for Exhaust Manifold maintenance instructi...

Страница 16: ...h the new seal provided in the 24 month maintenance kit Install the adhesive backed seal in the recess of the exhaust manifold flange adhesive side down 2 Align the exhaust manifold with the lower hea...

Страница 17: ...P N 24060 is attached to the connecting manifold drain pipe using a special adapter Figure 11 NOTE The Condensate Trap should already be disconnected from the Exhaust Manifold of the unit during the E...

Страница 18: ...ove the float with float guide attached from the Condensate Trap 5 For Old Style Condensate Trap see Figure 11 remove discard and replace the currently installed orifice gasket from the trap with the...

Страница 19: ...nical Instruction Document TID 0066_0B AERCO International Inc 100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 Figure 11 Condensate Trap P N 24060 Old and New Styles Figure 12 Exhaust Manifo...

Страница 20: ...new LWCO probe from the kit and sparingly apply an NSF approved pipe dope to the threads of the brass coupling Do NOT use Teflon tape and install into the probe well vacated by the old LWCO probe 4 T...

Страница 21: ...ges are used to power these units and so it is required that power applied to these units is removed first before performing the procedure described in this instruction Serious personal injury or deat...

Страница 22: ...th ohmmeter probes and reconnect the Shell Harness connector to the P5 connector on the rear of the C More controller 6 3 1 2 Low Water Cutoff LWCO Standard C More Test Perform the standard Low Water...

Страница 23: ...een filled and the water supply and return valves have been opened 2 Turn ON the external circuit breaker to the unit 3 At the front panel of the unit set the ON OFF switch on the C More Control Panel...

Страница 24: ...100 Oritani Dr Blauvelt New York 10913 Phone 800 526 0288 AERCO International Inc 2014 Change Log Date Description Changed By 07 09 2012 Rev A Initial release Chris Blair 10 16 2014 Rev B 1028 5 Repla...

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