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ICE EC06-20HDNC1U I&O Manual 07/2020 Rev.1
WARNING
• If the information in these instructions are not followed exactly, a fire may result
causing property damage, personal injury or loss of life.
• Read all instructions carefully prior to beginning the installation. Do not begin
installation if you do not understand any of the instructions.
• Improper installation, adjustment, alteration, service or maintenance can cause
property damage, personal injury or loss of life.
• Installation and service must be performed by a qualified installer or service
agency in accordance with these instructions and in compliance with all codes and
requirements of authorities having jurisdiction.
INSTALLER:
Affix the instructions on the inside of the building adjacent to the air conditioner.
END USER:
Retain these instructions for future reference.
Table of Contents
Chapter 1: Description & Specifications
1.1 Foreword .............................................................................................................................4
1.2 General Description .............................................................................................................4
1.3 Features ...............................................................................................................................5
1.4 Standards .............................................................................................................................5
Chapter 2: Installation & Operation
2.1 Unpacking and Inspection ...................................................................................................5
2.2 Preparation Before Installing ...............................................................................................6
2.3 Mechanical Installation Of The Air Conditioner ................................................................6
2.4 Electrical Installation ...........................................................................................................7
2.5 EC06HDNC1U Wiring Diagram & Electrical Connections ...............................................7
2.6 EC20HDNC1U Wiring Diagram & Electrical Connections ...............................................9
2.7 Installation Check List .......................................................................................................11
2.8 Start Up ..............................................................................................................................12
Chapter 3: System Function Introduction
3.1 Function .............................................................................................................................12
3.2 Operating Control Mode ...................................................................................................12
3.2.1 Cooling Control ....................................................................................................12
3.2.2 Heating Control .....................................................................................................12
3.2.3 Component Control Mode ....................................................................................13
3.3 External Fans .....................................................................................................................13
3.3.1
Discharge Hydrogen at Regular Time ..................................................................13
3.3.2
Forced Ventilation ................................................................................................14
3.3.3
Emergency Fan (EC06HDNC1U) ........................................................................14
3.3.4
Energy Saving Fan (EC06HDNC1U) ...................................................................14
3.4 Door Magnetic Switch Signal (Optional on EC20HDNC1U) ..........................................14
3.5 Self Testing ........................................................................................................................14
3.6 Alarms ...............................................................................................................................14
3.7 Monitoring .........................................................................................................................15
3.8 Operational Menu Structure ..............................................................................................16
Chapter 4: Routine Maintenance
4.1 Maintenance ......................................................................................................................17
Chapter 5: Troubleshooting
5.1 Fan Faults ..........................................................................................................................18
5.2 Cooling System Faults.......................................................................................................18
Chapter 6: Technical Parameters
6.1 EC06HDNC1U Dimensional Drawings ............................................................................19
6.2 EC20HDNC1U Dimensional Drawings ............................................................................20