AERCO Modulex EXT 321 - 1123 User Manual
User manual, Modulex ext, Modular condensing boilers
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OMM-0087_0E
GF-143
USER MANUAL
Installation, Operation and Maintenance
MODULEX EXT
Light Commercial Series
Modular Condensing Boilers
Natural Gas Modulating &
Condensing Modular Hot
Water Boiler
Covering Models:
• EXT 321
• EXT 481
• EXT 641
• EXT 802
• EXT 962
• EXT 1123
Latest Update: 12/01/2014
PENDING
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913 • Phone: 800-526-0288
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Table of contents
Document Outline
- CHAPTER 1: General Information
- 1.1 Correct Use of the Appliance
- 1.2 Water Treatment
- 1.3 Information to Be Made Available To The User
- 1.4 Safety Warnings
- 1.5 Modifications To Parts Connected To The Appliance
- 1.6 For Appliances Operating With Propane Gas
- 1.7 Data Plate
- 1.8 Operational Requirements
- 1.9 Tools, Materials, And Additional Equipment
- 1.10 Disposal
- 1.11 General Warnings
- 1.12 Operational Limits of the Boiler
- CHAPTER 2: Technical features and dimensions
- CHAPTER 3: Installation Instructions
- 3.1 General Warnings
- 3.2 Code and Standards Approvals
- 3.3 Packaging
- 3.4 Transporting and Securing the Boiler Safely
- 3.5 Removal From Boiler Bed And Installation Of Boiler Feet
- 3.6 Boiler Location Inside A Boiler Room
- 3.7 Recommended Clearances for Servicing
- 3.8 Boiler Connections
- 3.9 Gas Connection General Information
- 3.10 Flow And Return Pipe Connections
- 3.11 Pressure Relief Valve
- 3.12 CSD-1 Manifold Assembly (Supplied)
- 3.13 Determination of Primary Boiler Pump Or Boiler System Pump
- 3.14 Condensate Piping and Drain
- 3.15 Water Treatment
- 3.16 Important Installation Warnings
- 3.17 Air Intake Connection
- 3.18 Flue Manifold Connection
- 3.19 Flue Exhaust Piping to Vent
- 3.20 Vent Starter Pieces
- 3.21 Combustion Air and Ventilation Openings
- 3.22 Installation of the Exhaust and Air Intake System
- 3.23 Vent Pipe Sizing
- 3.24 Electrical Connections
- 3.25 Functional Wiring Diagram
- 3.26 Ladder Diagrams
- 3.27 General Ladder Diagram
- 3.28 E8 Controller and BCM Terminal Assignments
- 3.29 Installation Examples
- 3.30 Starting Up: Filling and Deaerating the Boiler
- 3.31 Filling the System
- 3.32 Testing The Ignition Safety Shut Off Device
- 3.33 Burner Calibration
- 3.34 Sweeper Mode (Manual Control)
- 3.35 High Altitude Adjustment
- 3.36 High Altitude Conversion Label
- 3.37 Conversion From Natural Gas To Propane Gas
- 3.38 Controls And Emergency Functions
- 3.39 Initial Boiler Ignition
- CHAPTER 4: E8 Controller and BCM Modules
- CHAPTER 5: OPERATION
- 5.1 Installation Menu: Initializing the E8 Controller
- 5.2 Quick Start Instructions
- 5.3 Menu And Sub-Menu Descriptions
- 5.4 General Menu
- 5.5 Service Menu
- 5.6 Display Menu
- 5.7 User Menu
- 5.8 Time Program Menu
- 5.9 Expert Menu
- 5.10 Other Possible Settings
- 5.10.1 Settings for Heating Circuit 1/2
- 5.10.1.1 Heating Adjustment With Constant Flow Temp
- 5.10.1.2 Temperature Settings For Heating Circuits
- 5.10.1.3 A Second DHW Storage Tank
- 5.10.1.4 Temperature Setting For Second DHW Storage Tank
- 5.10.1.5 Swimming Pool
- 5.10.1.6 Swimming Pool Temperature Setting
- 5.10.1.7 Screed Dry Program (For Floor Heating Installation)
- 5.10.1.8 Temperature Setting For Screed Program
- 5.10.1.9 Signal 0 – 10 V
- 5.10.1.10 Slope And Temperature Setting with 0 – 10 V Signal
- 5.10.2 Setting of DHW Circuit
- 5.10.1 Settings for Heating Circuit 1/2
- 5.11 ACCESS CODE SETTING
- CHAPTER 6: TROUBLESHOOTING
- CHAPTER 7: MAINTENANCE SCHEDULE
- 7.1 Instructions for Inspection And Maintenance
- 7.2 Periodic Examination Of Venting System
- 7.3 Proper Procedure For Cleaning Exhaust Flue
- 7.4 Checking CSD-1 Manifold Flow Switch
- 7.5 Visual Inspection Of The Flame
- 7.6 Proper Reassembly and Resealing of the Vent-Air Intake System
- 7.7 Pressure Switch Hoses And Connections
- 7.8 Burner / Heat Exchanger Cleaning Procedure
- 7.9 Heat and Return Sensor Resistance Values
- 7.10 Unit Disassembly
- 7.11 Cleaning the Burner Module and Combustion Chamber
- 7.12 Reassembly of the Burner Modules
- 7.13 Final Procedures After Maintenance
- 7.14 Maintenance Kit Part Number
- 7.15 Accessory Kit Part Numbers
- CHAPTER 8: Spare Parts Drawing and Lists
- AERCO/MODULEX STANDARD WARRANTY