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Si39-303
Installation Manual
179
One outdoor unit installed: In case of RXYQ5-16MY1B
[Additional refrigerant charge procedure]
To learn the system settings for additional refrigerant charging, refer to the [Service Precaution]
label attached on the back of the electric box lid in the outdoor unit.
1.Fully open the gas line shutoff valve (liquid line shutoff valve and valve A above must be
left fully closed) and start the additional refrigerant charge operation.
2.After the system is charged with a specified amount of refrigerant, press the confirmation
button (BS3) on the P-board (A1P) in the outdoor unit to stop the additional refrigerant
charge operation.
3.Immediately restore the shutoff valve to the following status. (Otherwise, the piping may
burst due to liquid seal.)
[Additional refrigerant charge procedure]
To learn the system settings for additional refrigerant charging, refer to the [Service Precaution]
label attached on the back of the electric box lid in the outdoor unit.
1.Fully open the gas line shutoff valve/oil-equalizing line shutoff valve (liquid line shutoff
valve and valves A and B above must be left fully closed), start the additional refrigerant
charge operation.
2.After the system is charged with a specified amount of refrigerant, press the confirmation
button (BS3) on the P-board (A1P) in the outdoor unit to stop the additional refrigerant
charge operation.
3.Immediately restore the shutoff valve to the following status. (Otherwise, the piping may
burst due to liquid seal.)
Caution
If the refrigerant cylinder is siphonal, set it upright while charging additional refrigerant.
1.
Pressure reducing valve
2.
Nitrogen
3.
Tank
4.
Siphon system
5.
Measuring instrument
6.
Vacuum pump
7.
Valve A
8.
Gas side
9.
Outdoor unit
10. Liquid side
11. Indoor unit
12. Shutoff valve service port
13. Charge hose
14. To indoor unit
15. Oil-equalizing line
16. Valve B
17. Dotted lines represent onsite piping
Liquid line shutoff valve
Gas line shutoff valve
Oil-equalizing line shutoff valve
Open
Open
Close (Default status before
delivery)
Liquid line shutoff valve
Gas line shutoff valve
Oil-equalizing line shutoff valve
Open
Open
Open
1
1
2
2
3
3
4
4
5
5
6
6
7
7
13
12
14
8
9
9
8
9
10
10
15
11
12
17
16
17
13
When multiple outdoor units installed:
In case of RXYQ18-48MY1B
Содержание VRV II Series
Страница 6: ...Si39 303 iv Table of Contents...
Страница 31: ...Si39 303 Installation General Information 25 Flaring Procedure...
Страница 124: ...Appendix Si39 303 118 General Information 3P114237A...
Страница 130: ...Appendix Si39 303 124 General Information BHFP22M135 Refer P 120 for Table 7 8 and 9 After connection piping...
Страница 140: ...Appendix Si39 303 134 General Information 7 10 Piping System Diagrams 7 10 1 Outdoor Unit RXYQ5MY1B...
Страница 141: ...Si39 303 Appendix General Information 135 RXYQ8MY1B RXYQ10MY1B RXYQ12MY1B 4D040338A...
Страница 142: ...Appendix Si39 303 136 General Information RXYQ14MY1B RXYQ16MY1B 4D040339A...
Страница 144: ...Appendix Si39 303 138 General Information 7 11 Wiring Diagrams 7 11 1 Outdoor Unit RXYQ5MY1B...
Страница 145: ...Si39 303 Appendix General Information 139 RXYQ8MY1B RXYQ10MY1B RXYQ12MY1B 3D038582...
Страница 146: ...Appendix Si39 303 140 General Information RXYQ14MY1B RXYQ16MY1B 3D038058...
Страница 147: ...Si39 303 Appendix General Information 141 7 11 2 Field Wiring RXYQ5 16MY1B 3D040746...
Страница 148: ...Appendix Si39 303 142 General Information RXYQ18 32MY1B 3D040747...
Страница 149: ...Si39 303 Appendix General Information 143 RXYQ34 48MY1B 3D040748...
Страница 158: ...Appendix Si39 303 152 General Information...
Страница 180: ...Refrigerant Piping Si39 303 174 Installation Manual...
Страница 226: ...Troubleshooting Si39 303 220 Operation Manual...