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SiEN18-622
Protection Control
Function
107
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>
3
.47MP
a
After 10
s
ec.
Pc>
3
.47MP
a
Pc<
3
.2
3
MP
a
Pc>
3
.64MP
a
Keeping the c
u
rrent
s
tep
After 15
s
ec.
High pre
ssu
re not limited
High pre
ssu
re limited
INV
u
pper limit fre
qu
ency :
1-
s
tep
u
p from c
u
rrent
compre
ss
or fre
qu
ency
Pc: HP pre
ssu
re
s
en
s
or detection v
a
l
u
e
INV
u
pper limit fre
qu
ency :
3
-
s
tep down from c
u
rrent
compre
ss
or fre
qu
ency
When occ
u
rring 10 time
s
within 60
min
u
te
s
, HP
S
i
s a
ctiv
a
ted witho
u
t high
pre
ssu
re
s
t
a
nd
b
y, th
us
o
u
tp
u
tting the
m
a
lf
u
nction code "E
3
".
INV
u
pper limit fre
qu
ency=M
a
x
High pre
ssu
re
s
t
a
nd
b
y
High-pre
ssu
re drop
Pc>
3
.04MP
a
After 10
s
ec.
Pc>
3
.04MP
a
Pc<2.94MP
a
Pc>
3
.64MP
a
Keeping the c
u
rrent
s
tep
After 60
s
ec.
High pre
ssu
re not limited
High pre
ssu
re limited
INV
u
pper limit fre
qu
ency :
1-
s
tep
u
p from c
u
rrent
compre
ss
or fre
qu
ency
Pc: HP pre
ssu
re
s
en
s
or detection v
a
l
u
e
INV
u
pper limit fre
qu
ency :
1-
s
tep down from c
u
rrent
compre
ss
or fre
qu
ency
When occ
u
rring 10 time
s
within 60
min
u
te
s
, HP
S
i
s a
ctiv
a
ted witho
u
t high
pre
ssu
re
s
t
a
nd
b
y, th
us
o
u
tp
u
tting the
m
a
lf
u
nction code "E
3
".
High pre
ssu
re
s
t
a
nd
b
y
Pc<2.
8
9MP
a
Содержание FTKS50BVMB
Страница 1: ...SiEN18 622 E Series Service Manual Applied Models zSuper Multi Plus Cooling Only Heat Pump ...
Страница 30: ...SiEN18 622 Specifications 17 Part 2 Specifications 1 Specifications 18 1 1 Cooling Only 18 1 2 Heat Pump 34 ...
Страница 105: ...Refrigerant Flow for Each Operation Mode SiEN18 622 92 Refrigerant Circuit ...
Страница 157: ...Indoor Unit SkyAir Models SiEN18 622 144 Function ...
Страница 204: ...Instruction SiEN18 622 192 System Configuration FTK X S 50 60 71 F Indoor Unit 1 2 4 3 10 11 9 7 8 15 12 13 14 16 6 5 ...
Страница 312: ...SiEN18 622 Ceiling Mounted Cassette Type System Configuration 300 ...
Страница 424: ...Method of Replacing The Inverter s Power Transistors Modules SiEN18 622 412 Troubleshooting ...
Страница 446: ...Wiring Diagrams SiEN18 622 434 Appendix ...
Страница 452: ...SiEN18 622 vi Index ...