MODULEX EXT 321, 481, 641, 802, 962, 1123 BOILERS
Installation, Operation & Maintenance Manual
TABLE OF CONTENTS
CHAPTER 1: GENERAL INFORMATION ............................................................................................ 7
1.1 Correct Use Of The Appliance .............................................................................................................................. 7
1.2 Water Treatment ................................................................................................................................................. 7
1.3 Information To Be Made Available To The User .................................................................................................. 7
1.4 Safety Warnings ................................................................................................................................................... 8
1.5 Modifications To Parts Connected To The Appliance .......................................................................................... 8
1.6 For Appliances Operating With Propane Gas ...................................................................................................... 9
1.7 Data Plate .......................................................................................................................................................... 10
1.8 Operational Requirements ................................................................................................................................ 11
1.8.1 General Requirements ............................................................................................................................ 11
1.8.2 Regulatory Requirements ....................................................................................................................... 11
1.8.3 Water Quality Requirements .................................................................................................................. 12
1.9 Tools, Materials, And Additional Equipment ..................................................................................................... 13
1.10 Disposal............................................................................................................................................................ 13
1.11 General Warnings ............................................................................................................................................ 13
1.11.1 Using the Operation and Maintenance Manual ................................................................................... 13
1.11.2 Installation and Servicing Personnel ..................................................................................................... 13
1.11.3 Installation Materials ............................................................................................................................ 13
1.11.4 Preparing Boiler for Servicing ............................................................................................................... 14
1.11.5 Returning a Boiler to Service ................................................................................................................ 14
1.11.6 Change in Ownership ............................................................................................................................ 14
1.12 Operational Limits of the Boiler....................................................................................................................... 14
CHAPTER 2: TECHNICAL FEATURES AND DIMENSIONS ............................................................. 15
2.1 Modulex EXT Technical Features ....................................................................................................................... 15
2.1.1 Temperature Control Devices: ................................................................................................................ 15
2.1.2 Control Panel (E8) Includes: .................................................................................................................... 15
2.1.3 Other Features Include: .......................................................................................................................... 15
2.2 General Boiler Operation ................................................................................................................................... 16
2.3 Dimensional Drawings ....................................................................................................................................... 17
2.4 Performance Data ............................................................................................................................................. 21
CHAPTER 3: INSTALLATION INSTRUCTIONS ................................................................................ 23
3.1 General Warnings .............................................................................................................................................. 23
3.1.1 Appropriate Use of the Boiler ................................................................................................................. 23
3.1.2 Prerequisite System Flushing .................................................................................................................. 23
3.1.3 Installation Personnel Qualifications ...................................................................................................... 23
3.1.4 Carbon Monoxide Detector Installation ................................................................................................. 23
3.2 Code and Standards Approvals .......................................................................................................................... 24
3.3 Packaging ........................................................................................................................................................... 24
3.4 Transporting and Securing the Boiler Safely ...................................................................................................... 27
3.5 Removal From Boiler Bed And Installation Of Boiler Feet ................................................................................. 28
3.6 Boiler Location Inside A Boiler Room................................................................................................................. 29
3.6.1 Boiler Room Safety Concerns.................................................................................................................. 30
3.6.2 Products to Avoid in the Boiler Room ..................................................................................................... 30
3.7 Minimum Clearances For Servicing ................................................................................................................... 31
3.8 Boiler Connections ............................................................................................................................................. 32
3.8.1 Changing Exhaust Outlet Location .......................................................................................................... 32
3.8.2 Reversing Gas Manifold Connections ..................................................................................................... 33
3.8.3 Reversing Cold/Hot Water Flow & Return Connections ......................................................................... 34
3.8.3.1 Reversing Cold/Hot Water Flow & Return Piping Connectors ............................................................. 34
3.8.3.2 Reversing Flow & Return Temperature Sensors .................................................................................. 35
OMM-0087_0E
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
Page 3 of 148
GF-143
Phone: 800-526-0288
12/01/14
