– 23 –
No.
8
9
Item
Freeze prevention
control (Low temp.
rele
as
e)
Outline of
s
pecification
s
1. In
a
ll cooling oper
a
tion, the
a
ir conditioner oper
a
te
s
as
de-
s
cri
b
ed
b
elow
bas
ed
u
pon temp. detected
b
y
TC1, TC2
a
nd TCJ
s
en
s
or
s
.
• When “J” zone i
s
detected for 5 min
u
te
s
, the
thermo
s
t
a
t i
s
forcedly off.
• In “K” zone, the timer co
u
nt i
s
interr
u
pted,
a
nd held.
• When “
I
” zone i
s
detected, the timer i
s
cle
a
red
a
nd the oper
a
tion ret
u
rn
s
to the norm
a
l oper
a
tion.
• If “J” zone contin
u
e
s
, oper
a
tion of the indoor f
a
n in
LOW mode contin
u
e
s
u
ntil it re
a
che
s
the “
I
” zone.
It i
s
re
s
et when the following condition
s
a
re
sa
ti
s
fied.
Re
s
et condition
s
1) TC1 > 12˚C
a
nd TC2 > 12˚C
a
nd TCJ > 12˚C
2) 20 min
u
te
s
p
ass
ed
a
fter
s
top.
Remark
s
TC1: Temper
a
t
u
re of indoor
he
a
t exch
a
nger
s
en
s
or
2. In
a
ll cooling oper
a
tion, the
a
ir conditioner oper
a
te
s
as
de
s
cri
b
ed
b
elow
bas
ed
u
pon temp. detected
b
y
TC2
a
nd TCJ
s
en
s
or
s
.
• When “M” zone i
s
detected for 45 min
u
te
s
, the
thermo
s
t
a
t i
s
forcedly off.
• In “N” zone, the timer co
u
nt i
s
interr
u
pted
a
nd held.
• When
s
hifting to “M” zone
a
g
a
in, the timer co
u
nt
re
s
t
a
rt
s
a
nd contin
u
e
s
.
• If “L ” zone i
s
detected, the timer i
s
cle
a
red
a
nd the
oper
a
tion ret
u
rn
s
to norm
a
l oper
a
tion.
Re
s
et condition
s
1) TC1 > 12˚C
a
nd TC2 > 12˚C
a
nd TCJ > 12˚C
2) 20 min
u
te
s
p
ass
ed
a
fter
s
top.
P1
Q1
(˚C)
a
K
J
P2
Q2
(˚C)
L
N
M
( ) value:
When the power
su
pply i
s
t
u
rned on, the Forced
thermo
b
ecome
s
OFF if the
temper
a
t
u
re i
s
le
ss
th
a
n thi
s
indic
a
ted temper
a
t
u
re.
P1
Q1
TC1
10˚C (5˚C)
0˚C
TC2, TCJ
–10˚C
–14˚C
P2
Q2
TC2, TCJ
5˚C
–2.0˚C
∗
In
a
Model witho
u
t TC2,
TC2 i
s
not j
u
dged.
Recovery control
for cooling oil
(Refriger
a
nt)
The indoor
u
nit which i
s
u
nder
S
TOP/Thermo-OFF
s
t
a
t
us
or which oper
a
te
s
in [FAN] mode perform
s
the
following control
s
when it received the cooling oil
(Refriger
a
nt) recovery
s
ign
a
l from the o
u
tdoor
u
nit.
1) Open
s
PMV of the indoor
u
nit with
a
con
s
t
a
nt
opening degree.
2) Oper
a
te
s
the dr
a
in p
u
mp for
a
pprox. 1 min
u
te d
u
ring
recovery control
a
nd
a
fter fini
s
h of control.
• Recovery oper
a
tion i
s
usua
lly performed every
2 ho
u
r
s
.
I
