Daikin REYQ168 Installation Manual Page 112
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Appendix SiUS39-506
106 General Information
7.2 Allowable Piping Length
7.2.1 Branch with refnet joint
(Connection of 8 indoor units Heat pump system)
Piping from BS unit to indoor unit and piping from refrigerant branch kit to indoor unit used as
cooling only must be composed by 2 pipes (Suction Gas pipe and Liquid pipe)
* If case of multiple outdoor units installed, re-read to the first outdoor branch as seen from the
indoor unit.
One outdoor
unit installed
Branch with refnet joint
Multiple
outdoor units
installed
12 34
B2B1 B3 B4
567
7
6
1
6
8
H2
H1
a
b
c
l
n
oq
r
s
p
m
ki
f
g
j
h
de
REFNET joint ( ~ )Outdoor unit
BS unit
Indoor unit
B1 B4
Cooling only
(
.
)
Cool/Heat selection possible
( ~
)
( ~ )
1
( ~ )
8
A
B
CDE
A
E
Maximum
allowable
length
Between outdoor and indoor units
• Actual pipe length
Pipe length between outdoor and indoor units ≤ 330ft.
Example unit 8: a + b + c + d + e + s ≤ 330ft.
• Equivalent length
Equivalent pipe length between outdoor and indoor units ≤ 390ft.
(assume equivalent pipe length of refnet joint to be 1.6ft., that of refnet header to be 3.3ft.,
calculation purposes)
• Total extension length
Total piping length from outdoor unit* to all indoor units ≤ 950ft.
- R-410A Heat Recovery 60Hz 1
- R-410A Series 3
- R-410A SeriesR-410A Series 3
- Table of Contents iii 5
- General Information 1 7
- 1. .Product Outline 8
- 1.2 External Appearance 9
- 1.3 Model Selection 10
- General Information 7 13
- 8 General Information 14
- Drawings 15
- 10 General Information 16
- General Information 11 17
- Example: System list 17
- 12 General Information 18
- 3. Installation 19
- Borne in Mind 20
- SiUS39-506 Installation 21
- General Information 15 21
- Installation SiUS39-506 22
- 16 General Information 22
- For installation 23
- 98 3/8" or more 23
- 13/16" 23
- 3 1/2" 24
- 1 1/4" 24
- Model A (in.) B (in.) 25
- FXNQ12MVJU 28 46 25
- FXNQ18 · 24MVJU 39 57 25
- 3.2.3 Refrigerant Pipe Work 26
- General Information 21 27
- 22 General Information 28
- General Information 23 29
- Example: R-410A REYQ-M Series 31
- 26 General Information 32
- 12mm×72mm 33
- 1.0×0.5mm Each 33
- Thickness 33
- Flaring Procedure 34
- General Information 29 35
- 30 General Information 36
- General Information 31 37
- Operational steps 37
- Important points 37
- 3.2.5 Air Tight Test 38
- General Information 33 39
- 3.2.6 Vacuum Drying 40
- Key points 41
- 36 General Information 42
- –14.7psi 44
- –14.6psi 44
- (–755mmHg) 44
- General Information 39 45
- 40 General Information 46
- General Information 41 47
- 42 General Information 48
- Check for water 49
- 44 General Information 50
- General Information 45 51
- 46 General Information 52
- General Information 47 53
- Ceiling Mounted 54
- Built-in Type 54
- (FXSQ-M) 54
- Drain Piping 54
- 3P086156-3A-9 55
- 1 15/16" 56
- General Information 51 57
- 5/32 or less 57
- 3.2.10 Electrical Work 61
- General Information 57 63
- 3.2.11 Duct Work (Indoor) 64
- 3.2.12 Selection of Location 64
- General Information 59 65
- 60 General Information 66
- General Information 61 67
- REYQ96MTJU 68
- 4-φ19/32" dia. holes 68
- 28 7/16-29" 68
- General Information 63 69
- 3P124617 70
- 4P124614 70
- 4. Test Operation 71
- 4.1.3 Check Operation 72
- MODE SET RETURN TEST RESET 75
- 4.4 Field Setting 76
- General Information 71 77
- Setting 79
- 74 General Information 80
- 78 General Information 84
- General Information 79 85
- Group No. Setting 86
- General Information 81 87
- Setting by dip switches 89
- 77877778 90
- 77777779 90
- 77777777 90
- General Information 87 93
- 88 General Information 94
- (1 cycle before) 95
- (2 cycle before) 95
- 9 797997 96
- 977 7979 96
- 977 7997 96
- General Information 91 97
- 92 General Information 98
- General Information 93 99
- Test Operation SiUS39-506 100
- 94 General Information 100
- SiUS39-506 Test Operation 101
- General Information 95 101
- 96 General Information 102
- 98 General Information 104
- General Information 99 105
- 8:ON 9:BLINK 3:OFF) 106
- CHECK OPERATION FUNCTION 106
- 5.1.1 Introduction 107
- 1. opening between rooms 108
- 2. partition 108
- 6. Hand Over to Customer 109
- 7. Appendix 110
- SiUS39-506 Appendix 111
- General Information 105 111
- 7.2 Allowable Piping Length 112
- General Information 107 113
- General Information 109 115
- Branch with refnet header 116
- General Information 111 117
- 7.4 Pipe size selection 120
- Appendix SiUS39-506 122
- 116 General Information 122
- 3P124659A 123
- KHRP26M22T 124
- KHRP26M33T 124
- KHRP25M22T 125
- KHRP25M33T 125
- KHRP25M72TU 125
- KHRP26M22H 126
- KHRP26M33H 126
- KHRP26M72H 126
- General Information 121 127
- 122 General Information 128
- 7.7 VRV Inspection Sheet 129
- Before turning on the power 130
- System name 130
- Inspection item 131
- Inspection method 131
- During operation 133
- 7.8 Piping System Diagrams 135
- 7.8.2 Indoor Unit 136
- 7.8.3 BS Unit 137
- 7.9 Wiring Diagrams 138
- 7.9.2 Field Wiring 139
- REYQ192MTJU 140
- General Information 135 141
- 136 General Information 142
- General Information 137 143
- Indoor unit 144
- General Information 139 145
- 140 General Information 146
- (Inverter K Series) 147
- 7.10.9 Example 9: “88 148
- SiUS39-506 149
- 1. Introduction 154
- SiUS39-506 Introduction 155
- 1.4 Option Accessory 156
- 2. Main Components 158
- 3. Selection of Location 159
- 2. Center position of unit 162
- 2. Suction gas side piping 163
- 3. Liquid side piping 163
- 4. Discharge gas side piping 163
- 6. Refrigerant Piping 164
- SiUS39-506 Refrigerant Piping 165
- Refrigerant Piping SiUS39-506 166
- 6.3 Example of Connection 169
- 1. [Service precautions] 171
- Label location 171
- 2. Electric parts box lid 171
- 3. [Caution] 171
- 1. Service port 172
- 3. Hexagon hole 172
- 4. Shaft 172
- R=0.016-0.031 173
- 6.5 Pipe Insulation 174
- 7. Field Wiring 177
- 7.3 General 178
- L1 L2 L3 179
- Round pressure terminal 181
- Cup washer 181
- Cut out section 181
- Knockout hole 183
- Left side Right side 183
- 8. Before Operation 185
- 8.2 Test Run 186
- 1. Electric box lid 187
- 2. Service lid 187
- 1. Safety Considerations 192
- 2. Before Installation 195
- 2.3 Accessories 196
- 2.4 Combination 197
- Sight opening 198
- 5. BS Unit Installation 200
- 6. Refrigerant Piping Work 201
- R 0.016~0.031 202
- 6.4 Piping Connection 204
- 7. Electric Wiring Work 205
- F1 F2 F1 F2 F1 F2 206
- F1 F2F1 F2 206
- Grounding wire 1.12~37 207
- Final BS unit 208
- 7.6 Initial Setting 209
- 8. Test Operation 210
- Operation Manual 205 211
- [Applicable model] 212
- REYQ96MTJU REYQ192MTJU 212
- 208 Operation Manual 214
- Operation Manual 209 215
- 210 Operation Manual 216
- 212 Operation Manual 218
- Operation Manual 213 219
- 4. Operation Range 220
- 5. Operation Procedure 221
- 216 Operation Manual 222
- 5.2 Program Dry Operation 223
- 218 Operation Manual 224
- Wall Mounted 225
- Multi-flow 225
- Ceiling Suspended 225
- 220 Operation Manual 226
- Operation Manual 221 227
- Controller Control System 228
- 6. Optimum Operation 229
- Troubles 230
- Operation Manual 225 231
- 226 Operation Manual 232
- 8. Troubleshooting 233
- Use curtains or blinds 234
- 1.1 Outline 236
- 1.2 Service Tools 237
- Flare gauge 238
- Dimension A 238
- For class-1: R-407C 238
- For class-2: R-410A 238
- (Hose with ball valve) 241
- IndexIndex 243
- Drawings & Flow Charts 245
- Drawings & Flow Charts v 247
- Printed in U.S.A. 10/2005 AK 248
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