Protection Control
SiUS34-907
42
Function
4. Protection Control
4.1
High Pressure Protection Control
This high-pressure protection control is used to prevent the activation of protection devices due to abnormal
increase of high pressure and to protect compressors against the transient increase of high pressure.
[In cooling operation]
[In heating operation]
Pc>503 psi
After 10 sec.
Pc>503 psi
Pc<46
8
psi
Pc>52
8
psi
Keeping the c
u
rrent step
After 15 sec.
High press
u
re not limited
High press
u
re limited
I
NV
.
u
pper limit fre
qu
ency :
1-step
u
p from c
u
rrent
compressor fre
qu
ency
Pc: High-press
u
re sensor detection
v
al
u
e
I
NV
.
u
pper limit fre
qu
ency :
3-step do
w
n from c
u
rrent
W
hen occ
u
rring 10 times
w
ithin 60 min
u
tes, high-press
u
re
s
w
itch is acti
v
ated
w
itho
u
t high press
u
re stand
b
y, th
u
s
o
u
tp
u
tting the malf
u
nction code "E3".
High-press
u
re
stand
b
y
I
NV
.
u
pper limit fre
qu
ency=Max.
High-press
u
re drop
Pc>441 psi
After 10 sec.
Pc>441 psi
Pc<426 psi
Pc>52
8
psi
Keeping the c
u
rrent step
After 60 sec.
High press
u
re not limited
High press
u
re limited
I
NV
.
u
pper limit fre
qu
ency :
1-step
u
p from c
u
rrent
compressor fre
qu
ency
Pc: High-press
u
re sensor detection
v
al
u
e
I
NV
.
u
pper limit fre
qu
ency :
1-step do
w
n from c
u
rrent
W
hen occ
u
rring 10 times
w
ithin 60 min
u
tes, high-press
u
re
s
w
itch is acti
v
ated
w
itho
u
t high press
u
re stand
b
y, th
u
s
o
u
tp
u
tting the malf
u
nction code "E3".
High-press
u
re
stand
b
y
Pc<419 psi
Содержание VRV III-S RXYMQ36 48PVJU
Страница 1: ...RXYMQ36 48PVJU R 410A Heat Pump 60Hz SiUS34 907...
Страница 9: ...SiUS34 907 Safety Considerations viii...
Страница 14: ...SiUS34 907 Specifications 5 Part 2 Specifications 1 Specifications 6 1 1 Outdoor Units 6 1 2 Indoor Units 7...
Страница 37: ...Refrigerant Circuit SiUS34 907 28 Refrigerant Circuit S1PH S1NPH C 3D065366 A P G N M O H F S E T D D S1NPL...
Страница 232: ...SiUS34 907 Piping Diagrams Appendix 223 1 Piping Diagrams 1 1 Outdoor Unit RXYMQ36 48PVJU C 3D65366 S1NPL S1PH S1NPH...
Страница 236: ...SiUS34 907 Wiring Diagrams Appendix 227 2 Wiring Diagrams 2 1 Outdoor Unit 2 1 1 Heat Pump RXYMQ36 48PVJU 3D065263...
Страница 237: ...Wiring Diagrams SiUS34 907 228 Appendix 2 2 Field Wiring RXYMQ36 48PVJU 3D065370...
Страница 238: ...SiUS34 907 Wiring Diagrams Appendix 229 2 3 Indoor Unit FXFQ12M 18M 24M 30M 36MVJU 3D042620C...
Страница 239: ...Wiring Diagrams SiUS34 907 230 Appendix FXZQ07M 09M 12M 18MVJU 3D059263...
Страница 240: ...SiUS34 907 Wiring Diagrams Appendix 231 FXDQ07M 09M 12M 18M 24MVJU 3D050501A...
Страница 241: ...Wiring Diagrams SiUS34 907 232 Appendix FXMQ07P 09P 12P 18P 24P 30P 36P 48PVJU 3D065984A...
Страница 242: ...SiUS34 907 Wiring Diagrams Appendix 233 FXHQ12M 24M 36MVJU 3D048116A...
Страница 243: ...Wiring Diagrams SiUS34 907 234 Appendix FXAQ07M 09M 12M 18M 24MVJU 3D046039D...
Страница 244: ...SiUS34 907 Wiring Diagrams Appendix 235 FXLQ12M 18M 24MVJU FXNQ12M 18M 24MVJU 3D045644A...
Страница 247: ...Option List SiUS34 907 238 Appendix...
Страница 249: ...Example of Connection 240...
Страница 263: ...Precautions for New Refrigerant R 410A SiUS34 907 254 Precautions for New Refrigerant R 410A...
