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Operation Details
Normal Deicing Time Diagram
Indoor
Heat
Exchanger
Temp.
(TRS)
Outdoor
Heat
Exchanger
Temp.
Basic Time
Compressor
4-way Valve
Indoor Fan
Outdoor Fan
Operation LED
<Description of operation>
Overload Deicing Time Diagram
a
51°C
Indoor
49°C
Heat
39°C
Exchanger
34°C
Temp.
30°C
(OPEN)
(TRS)
4°C
Outdoor
(CLOSE)
Heat
–3°C
Exchanger
Temp.
Basic Time
Compressor
4-way Valve
Indoor Fan
Outdoor Fan
Operation LED
<Description of operation>
a – d, k – h :
d – g
g – h
h – i
n – p
a
b
c
d
e
39°C
34°C
30°C
(OPEN)
4°C
(CLOSE)
–3°C
30'
12'
10" 20"
a – c
:
Deicing operation judging condition established
c – d
:
Deicing operation (timer detected)
d – e, l – m
:
Time delay for 4-way valve
e – f, m – n :
Time delay for Compressor
f – g, n – o
:
Hot start (no thermo OFF)
g – h, o – p :
No thermo OFF (after finished hot start)
j – l
:
Deicing operation (TRS detected)
b
c
d
e
f
g
60'
min
10" 20"
1'
max
12'
Overload Control
:
Overload Deicing (timer detected)
:
Hot Start (indoor fan OFF)
:
Hot Start (indoor fan SLo)
:
Overload Control (TRS detected)
f
g
h
i
j
k
l
m
60'
max 12'
10" 20"
30"
Td
SLo Lo -
h
i
j
k
l
m
n
60' max 12' 10" 20"
SLo Lo –
– 24 –
CS-A73KE
n
o
p
q
r
60'
30"
SLo Lo -
: Blinking
Operation
Stop
o
p
q
r
s
Td
: Blinking
Operation
Stop
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Troubleshooting
