Table Of Contents - Gree GRS-CQ8.0Pd/NaEK Service Manual

Product ........................................................................................................................................ 1
1. Product Data ........................................................................................................................... 1
1.1 Lineup ............................................................................................................................ 1
1.1.1 Main Unit .............................................................................................................. 1
1.1.2 Water Tank ........................................................................................................... 2
1.2 Nomenclature ................................................................................................................. 2
1.2.1 Main Unit .............................................................................................................. 2
1.2.2 Water Tank ........................................................................................................... 2
1.3 Product Features ............................................................................................................ 3
1.3.1 General ................................................................................................................ 3
1.3.2 Features ............................................................................................................... 3
1.4 Operating Principle ......................................................................................................... 4
1.4.1 Schematic Diagram .............................................................................................. 4
1.5 Technical Data ............................................................................................................... 5
1.5.1 Parameter List ...................................................................................................... 5
1.5.2 Nominal Working Conditions ................................................................................ 9
1.5.3 Operation Range .................................................................................................. 9
1.5.4 Electric Data ......................................................................................................... 9
1.5.5 Capacity Correction ............................................................................................ 10
2 Outline Dimensions ................................................................................................................ 11
2.1 Outline dimensions of outdoor unit ............................................................................... 11
2.2 Outline dimensions of indoor unit ................................................................................. 13
3 Explosive Views and Part Lists ............................................................................................... 14
4 Supply Scope ......................................................................................................................... 24
Design and Selection ................................................................................................................ 26
1 Installation Example ............................................................................................................... 26
2 Model Selection ...................................................................................................................... 28
2.1 Speculations of Power Supply ...................................................................................... 28
2.2 Operation Conditions .................................................................................................... 28
2.3 Flowchart of Model Selection........................................................................................ 29
2.4 Design Principle ........................................................................................................... 29
3 Selection of the Underfloor Coils ............................................................................................ 29
3.1 Calculation of Unit Load for Floor Heating .................................................................... 29
3.2 Selection of Tube Spacing of the Underfloor Coils ........................................................ 30
3.3 Selection of Loop Quantity of Coils for Each Room ...................................................... 30
3.3.1 Type of Underfloor Coils ..................................................................................... 30
3.3.2 Selection of Loop Quantity for Each Room ......................................................... 31
4 Quantity and Location of the Water Traps and Collectors ....................................................... 31
4.1 Design Requirements on Loop Quantity for Circulation Water ...................................... 31
4.2 Requirements on Installation of the Water Trap (Collector) .......................................... 33
5 Section of FCU ....................................................................................................................... 33
5.1 FCU Type Selection ..................................................................................................... 33
5.2 Matching of Capacity .................................................................................................... 33
6 Selection of the Water Tank ................................................................................................... 34
Contents