-
68
-
'19 • SCM-SM-276
(a) Starting conditions
(i)
(ii)
(iii)
(iv)
−
40
40
finish
Tho-R1
satisfied
The difference between the outdoor air sensor temperature (Tho-A) and outdoor heat
exchanger sensor temperature (Tho-R1) is as following.
2or less
Max. 10 minutes
Defrost operation
Heating operation
※ Depends on an operation condition, the time can be longer than 7 minutes.
2~7 minutes※
Hot keep operation
-20
-20 -15 -10 -5 0 5 10
-15
-10
-5
0
Outdoor air temperature (℃)
Outdoor heat exchanger temperature (℃)
Defrost operation
start
Defrost operation start temperature
: After 150 minutes
: Less than 150 minutes
Accumulated compressor operation time
(i)
(ii)
Tho-R1
13
10
(b) Ending conditions
Max. 10 minutes
Defrost operation
Heating operation
※ Depends on an operation condition, the time can be longer than 7 minutes.
2~7 minutes※
Hot keep operation
-20
-20 -15 -10 -5 0 5 10
-15
-10
-5
0
Outdoor air temperature (℃)
Outdoor heat exchanger temperature (℃)
Defrost operation
start
Defrost operation start temperature
: After 150 minutes
: Less than 150 minutes
Accumulated compressor operation time
(v)
In case satisfied all of following conditions.
• Connect compressor speed 0 rps 10 times or more.
• Satisfy i), ii) and iii) conditions above.
• Outdoor air temperature is 3°C or less.