Contents
ENGINEERING DATA
............................................................................................................................... 5
1 Product Data............................................................................................................................................ 6
1.1 Lineup............................................................................................................................................ 6
1.2 Nomenclature ................................................................................................................................ 7
1.3 Product Features........................................................................................................................... 8
1.4 Operating Principle ..................................................................................................................... 10
1.5 Technical Data ............................................................................................................................ 11
2 Outline Dimensions ............................................................................................................................... 16
3 Explosive Views and Part Lists ............................................................................................................. 17
4 Supply Scope ........................................................................................................................................ 21
DESIGN & SELECTION
.......................................................................................................................... 22
1 Installation Example .............................................................................................................................. 23
2 Model Selection ..................................................................................................................................... 24
2.1 Speculations of Power Supply .................................................................................................... 24
2.2 Operation Conditions .................................................................................................................. 25
2.3 Flowchart of Model Selection ...................................................................................................... 25
2.4 Design Principle .......................................................................................................................... 25
3 Selection of the Underfloor Coils........................................................................................................... 25
3.1 Calculation of Unit Load for Floor Heating .................................................................................. 25
3.2 Selection of Tube Spacing of the Underfloor Coils ..................................................................... 26
3.3 Selection of Loop Quantity of Coils for Each Room ................................................................... 26
4 Quantity and Location of the Water Traps and Collectors .................................................................... 27
4.1 Design Requirements on Loop Quantity for Circulation Water .................................................. 27
4.2 Requirements on Installation of the Water Trap (Collector) ....................................................... 29
5 Section of FCU ...................................................................................................................................... 29
5.1 FCU Type Selection .................................................................................................................... 29
5.2 Matching of Capacity .................................................................................................................. 29
6 Selection of the Water Tank .................................................................................................................. 30
6.1 Specifications of the Water Tank ................................................................................................ 30
6.2 Volume Selection of the Water Tank .......................................................................................... 30
7 Examples for Model Selection ............................................................................................................... 31
7.1 General Introduction to the Example Project .............................................................................. 31
7.2 Heat Load Calculation ................................................................................................................. 31
7.3 Model Selection........................................................................................................................... 32
UNIT CONTROL
...................................................................................................................................... 33
1 Integral Control Concept ....................................................................................................................... 34
1.1 Control Principle Diagram ........................................................................................................... 34
1.2 Control Flowchart ........................................................................................................................ 37
2 Main Control Logics ............................................................................................................................... 37
2.1 Cooling ........................................................................................................................................ 37
2.2 Heating ........................................................................................................................................ 38
2.3 Water Heating ............................................................................................................................. 38
2.4 Shutdown .................................................................................................................................... 39
2.5 Control to the Compressor .......................................................................................................... 39
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