Komfovent MOU - Default Chapter; Table of Contents

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MOU2-20-03
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WEEE Directive (2002/96/EC) and your national law. This product should be handed over to a designated
collection point, or to an authorised collection site for recycling waste electrical and electronic equipment (EEE).
Improper handling of this type of waste could have a possible negative impact on the environment and human
health due to potentially hazardous substances that are generally associated with EEE. At the same time, your
cooperation in the correct disposal of this product will contribute to the e󰀨ective usage of natural resources. For
more information about where you can drop o󰀨 your waste equipment for recycling, please contact your local city
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Content
1. SAFETY PRECAUTIONS ............................................................................................................................... 4
2. OUTDOOR UNIT INSTALLATION ................................................................................................................. 5
2.1. Outdoor Unit Installation Instructions ......................................................................................................... 5
3. REFRIGERANT PIPING CONNECTION ....................................................................................................... 8
3.1. Notes On Pipe Length and Elevation ......................................................................................................... 8
3.2. Refrigerant Piping Connection Instructions ................................................................................................ 8
4. PIPING DIAGRAMS .......................................................................................................................................11
5. WIRING .......................................................................................................................................................... 12
5.1. Outdoor Unit Wiring ................................................................................................................................. 13
6. AIR EVACUATION ......................................................................................................................................... 14
6.1. Evacuation Instructions ............................................................................................................................ 14
6.2. Note On Adding Refrigerant ..................................................................................................................... 15
7. OUTDOOR UNIT SPECIFICATIONS ........................................................................................................... 16
8. AHU KIT SPECIFICATIONS KA8140/8141, KA8243/8245 ......................................................................... 17
8.1. Introduction .............................................................................................................................................. 17
8.2. Specication and packing list ................................................................................................................... 17
8.3. System design .......................................................................................................................................... 18
8.4. Function and Setting ................................................................................................................................ 18
8.4.1. KA8140/KA8141 ........................................................................................................................... 18
8.4.2. KA8243/KA8245 ........................................................................................................................... 19
8.5. Control module connection to controller. .................................................................................................. 21
8.5.1. KA8140/KA8141 connection to C6 ............................................................................................... 21
8.5.2. KA8140/KA8141 connection to C6M ............................................................................................ 21
8.5.3. KA8140/KA8141 connection to C5 ............................................................................................... 21
8.5.4. KA8140/KA8141 connection to C5 zone ...................................................................................... 22
8.5.5. KA8243 KA8245 connection to C5 ............................................................................................... 22
8.5.6. KA8243/KA8245 connection to C5 zone ...................................................................................... 22
8.6. Malfunction, Error Code and Solving steps .............................................................................................. 23
8.6.1. E1 solving step--communication error with outdoor unit .............................................................. 24
8.6.2. E2 – temp sensor malfunction ...................................................................................................... 25
8.6.3. Ed – outdoor unit malfunction ....................................................................................................... 25
8.7. Dimensions .............................................................................................................................................. 26
8.7.1. KA8140/KA814 ............................................................................................................................. 26
8.7.2. KA8243/KA8245 ........................................................................................................................... 26