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Aerco EXT Series, Application Manual

The EasyPro EXT Series offers a comprehensive Installation and Service Manual, available for free download from our website. This user-friendly manual provides detailed guidance on installation procedures and servicing for these exceptional products. Visit manualshive.com to access this valuable resource and maximize your EasyPro EXT Series experience.

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Modulex EXT Series Piping Application Guide

TAG-0096

AERCO International, Inc.

•

100 Oritani Dr.

•

Blauvelt, NY 10913

Page

7

of

7

Phone: 800-526-0288

10/06/2021

Figure 5: MODULEX EXT Boiler Top Clearances

MLX 1500 2S-3000 2S

MLX 450 2S-1100 2S

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7

Summary of Contents for EXT Series

Page 1: ...rranty of any kind with respect to this material including but not limited to implied warranties of merchantability and fitness for a particular application AERCO International is not liable for errors appearing in this manual or for incidental or consequential damages occurring in connection with the furnishing performance or use of these materials Heating and Hot Water Solutions AERCO Internatio...

Page 2: ... boiler can be safely operated at pressures ranging from 3 5 W C to 10 5 W C 3 GAS PRESSURE REQUIREMENTS AERCO Modulex EXT boilers require a stable gas input pressure The inlet supply to the unit must be at least 3 5 W C when firing at maximum input A minimum supply gas pressure switch prevents the boiler from operating without sufficient pressure Maximum allowable gas pressure is 10 5 W C Static ...

Page 3: ...ultiple units are installed some utilities and local codes require a full size drip leg on the main gas supply line in addition to the drip leg at each unit The bottom of the gas drip leg s should be removable without disassembling any gas piping The weight of the gas pipe should not be supported from the bottom of the drip leg The drip leg s should not be used to support any or part of the gaspip...

Page 4: ...onnected input within the allowable gas pressure drop The allowable minimum and maximum gas pressure for each device should be considered Whenever the minimum and maximum gas pressures vary between devices gas pressure regulators at each unit should be installed to allow regulation at any individual unit Gas pressure must never exceed the maximum allowable rating of any connected device The total ...

Page 5: ...above or behind boiler Gas piping should not be installed directly over top or front of any part ofboiler Figure 2 Typical Multiple Boiler Gas Manifold Construction Ensure proper clearances for maintenance Piping should not interfere with the removal of the unit s sheet metal nor impede maintenance Observe service clearances around the boiler as listed below and as shown in Figures 3 4 and 5 EXT 4...

Page 6: ...6 0288 Figure 3 MODULEX EXT 450 2S 1100 2S Boiler Clearances Figure 4 MODULEX EXT 1500 2S 3000 2S Boiler Clearances NOTE Standard locations for components connections are on the right hand side Dotted lines show alternate flue locations For EXT 1500 2S 3000 2S Figure 4 use 32 81 28mm for vent flue at any side as needed and 24 60 96mm all others ...

Page 7: ...es Piping Application Guide TAG 0096 AERCO International Inc 100 Oritani Dr Blauvelt NY 10913 Page 7 of 7 Phone 800 526 0288 10 06 2021 Figure 5 MODULEX EXT Boiler Top Clearances MLX 1500 2S 3000 2S MLX 450 2S 1100 2S ...

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