Mitsubishi Heavy Industries SCM71ZM-S1 - (3) Defrost operation

(3) Defrost operation
(a)
(i)
(ii)
(iii)
(iv)
−
40
40
Tho-R
satisfied
Tho-A
2
(Tho-A)㸫(Tho-R)
>
=
0.44 × (Tho-A) + A
A
4
6
6
Tho-A
㸫15 °C
<
=
Tho-A < 㸫2°C
㸫2°C
<
=
Tho-A
Tho-A < 㸫15 °C
Tho-R
Max. 12 minutes and 50 seconds
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
−
−
(b)
(i)
(ii)
(iii)
Tho-R
Tho-R
Tho-R
2
2
20
º
1
conditions satisfied
(v)
(i)(ii) (iii) (v)
8
Max. 12 minutes and 50 seconds
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
-
193
-
'17 • SCM-T-225