44
Whether the wi
i
ri
i
ng
between the hi
i
gh
pressure swi
i
tch and
mai
i
n control
l
board i
i
s
connected wel
l
l
l
or
correctl
l
y
No
Yes
Whether the
hi
i
gh pressure
protector
i
i
s broken
Method: Di
i
sconnect
t
t
t
he
pl
l
ug.
.
Measure t
t
he
resi
i
st
t
ance of
f
the hi
i
gh
pressure protector, i
i
f the
protector i
i
s normal
l
the
val
l
ue i
i
s o,
No
Yes
Check whether the
outdoor ambi
i
ent
temperature
hi
i
gher than 50
℃
Yes
No
Check i
i
f the outdoor
uni
i
t
venti
i
l
l
ati
i
on i
i
s
good
NO
Yes
Check i
i
f the outdoor fan
runs
properl
l
y
No
Yes
Check whether the
heat
exchanger i
i
s di
i
rty
Yes
No
Repl
l
ace outdoor
mai
i
n board
No
Check whether the
refri
i
gerant system i
i
s ok
pl
l
ease refer to the sol
l
uti
i
on of
fan speed has been out of
control
l
mal
l
functi
i
on .
.
Fi
i
nd out
the cause and
have i
i
t sol
l
ved.
.
Make the outdoor uni
i
t
venti
i
l
l
ate wel
l
l
l
Stop the unit
Repl
l
ace hi
i
gh pressure
protector
Connect i
i
t wel
l
l
l
High pressure protection
10.3.3.5 High pressure protection (ODU P1)(For K4OB-36HFN32, K5OD-42HFN32)
Cl
l
ean the heat exchanger
Содержание K2OC-18HFN32
Страница 8: ...7 5 Wiring diagram K2OC 18HFN32...
Страница 9: ...8 Note S 1 S 2 areusedinothertypeofmodels Theydon tneedtobeconnectedinmultimodels K3OE 27HFN32...
Страница 10: ...9 K4OB 36HFN32...
Страница 11: ...10 K5OD 42HFN32...