Hitachi RAS-4.0TNESNH1 - System Protection Logic

5
5
. CONT
R
R
OL LO
G
IC DES
C
C
RIPTIO
N
N
T
T
55
his mode
caa
Inn
acc
Inndoor fan
ass in relev
seetting tem
aggain.
55
DD
AAC will ent
CCondition:
CC
seeconds, th
E6, the co
.4 Auto MMode
can be c
n be channged betw
auto moode, the
cording too
Δ
-3℃
wwill run at
aant mode.
.5 Evapoorator Lo
InverterrC-
ooling moode: When
mpressor
hhosen wit
eeen 16~3
mmachine
ΔT (ΔT ==T1-Ts).
ΔTT=T1-Ts
T > 3℃
ΔTT ＜ -3℃
auto fan
pperature iss modified,
eer T2 protecc
e compresssor and
TE6
T2
TE5
hh remote
00℃.
wwill choos
≤ ΔT ≤ 3℃℃
If the commpressor
the mach
ww-temperr
tion if anyy of the fol
the indooo
aand outdooo
On
Off
ee cooling,
Ruu
Cooling
Fan-only
Heating
oof the relevvant mode
ature Prootection
r coil temmp. T2 kee
ooutdoor fann will shut
r fan will rrestart up.
ccontroller aa
nning moode
. The louv
ping for 1 keep stop
ine will chooose mod
lowing conn
off. When
nd the see
heating oo
eer operate
ee accordin
dition is saatisfied.
ps lower tthan TE5
tting tempperature
r fan-onlyy mode
s same
0 minutess or the
g to ΔT
for 120
T2 is highher than