Si39-303
Table of Contents i
System
SystemSystem
System
R410A PLUS Series
R410A PLUS SeriesR410A PLUS Series
R410A PLUS Series
Part 1 General Information ........................................................... 1
1. Product Outline .......................................................................................2
1.1 Model Names of Indoor/Outdoor Units.....................................................2
1.2 External Appearance................................................................................3
1.3 Combination of Outdoor Units ..................................................................5
1.4 Model Selection........................................................................................6
2. Points to Bear in Mind at the System Design..........................................8
2.1 Points Relating to the Performance of the Air Conditioning Units ............8
2.2 The Installation is of Vital Importance ......................................................9
2.3 Striking a Balance between System Installation and
General Construction Work (Comprehensive Flow Chart) .....................10
2.4 Points to Bear in Mind when Preparing the Contract Drawings .............11
3. Installation.............................................................................................14
3.1 Step by Step Installation Procedure .......................................................14
3.2 Work Involved in Individual Operations
and Points to be Borne in Mind ..............................................................15
4. Test Operation ......................................................................................62
4.1 Procedure and Outline ...........................................................................62
4.2 Operation When Power is Turned On ....................................................65
4.3 Outdoor Unit PC Board Layout...............................................................66
4.4 Field Setting ...........................................................................................67
5. Caution for Refrigerant Leaks .............................................................102
5.1 Caution for Refrigerant Leaks ..............................................................102
6. Hand Over to Customer ......................................................................105
6.1 Operational Steps.................................................................................105
7. Appendix .............................................................................................106
7.1 Operating Noise of Indoor Units ...........................................................106
7.2 Piping Installation Point ........................................................................108
7.3 Allowable Piping Length .......................................................................110
7.4 Refrigerant branch kit selection............................................................113
7.5 Pipe size selection................................................................................115
7.6 How to calculate the additional refrigerant to be charged ....................117
7.7 Outdoor Unit Multi Connection Piping Kit .............................................119
7.8 REFNET Pipe Connections for VRV II R410A Series ..........................126
7.9 VRV Inspection Sheet ..........................................................................129
7.10 Piping System Diagrams......................................................................134
7.11 Wiring Diagrams...................................................................................138
7.12 Bad Examples and Good Examples in Installation...............................144
Part 2 Installation Manual ........................................................153
1. Introduction .........................................................................................155
1.1 Combination .........................................................................................155
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