Mitsubishi Electric MSC-CA20VB, Руководство по техническому обслуживанию

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160
Number of
operating
unit
1
2
3
4
Capacity
code
3, 4
7
10
12
13
~ 7
8 ~ 10
11 ~ 13
14 ~ 16
17 ~
9 ~
12 ~
Min.
15
15
15
15
15
24
24
24
24
24
52
63
COOL (Hz)
Max.
58
58
62
68
79
80
80
80
80
80
90
94
DRY
(Hz)
20
25
44
44
44
31
31
31
31
59
65
65
Min.
22
22
22
22
22
35
35
35
35
35
39
52
Max.
48
48
62
90
90
70
70
90
94
94
94
94
HEAT (Hz)
Defrost
48
48
58
58
58
58
58
58
58
58
58
58
MXZ-4A80VA
-
E1
12-4. HEAT DEFROSTING CONTROL
(1) Starting conditions of defrosting
When the following conditions a) ~ c) are satisfied, the defrosting starts.
a) The defrost thermistor reads -3°C or less.
b) The cumulative operation time of the compressor has reached any of the set values
w
(31, 35, 45, 55, 65, 75, 85, 95,
105, 115, 150 minutes).
c) More than 5 minutes have passed since the start-up of the compressor.
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Set value of compressor operation time(hereinafter referred to as defrost interval)
This is decided by the temperature of defrost thermistor and ambient temperature thermistor, the previous defrosting
time. For example, the first defrost interval is 40 minutes long, and the second is 45 minutes long. The third and sub-
sequent intervals are set to be longer, and less frequent, depending on defrosting time.
The third and subsequent defrost intervals follow any of the three patterns …5 or 10 to 20 minutes longer, the same,
or 5 or 10 to 20 minutes shorter compared with the previous defrost interval … with the longest 125 minutes and the
shortest 40 minutes.
(2) Releasing conditions of defrosting
Defrosting is released when any of the following conditions is satisfied:
a) The defrost thermistor continues to read 13.2°C (2A/3A/4A71/4A80VA
-
)/ 10.4°C (4A80VA
-
/5A).
b) Defrosting time exceeds 10 minutes.
c) Any other mode than HEAT mode is set during defrosting.
E2 E1
Number of
operating
unit
1
2
3
4
5
w
Capacity
code
3, 4
7
10
12
13
~ 7
8
9, 10
11 ~ 13
14 ~ 16
17 ~
9 ~
12 ~
Min.
15
15
18
18
18
24
24
42
42
42
42
58
63
COOL (Hz)
Max.
58
58
62
68
79
80
80
80
80
90
90
90
94
DRY
(Hz)
20
25
44
44
44
31
31
31
31
31
59
65
65
Min.
22
22
22
22
22
35
35
35
35
35
35
39
52
4A
94
94
5A
105
120
Max.
70
70
80
90
90
80
80
80
94
94
94
HEAT (Hz)
Defrost
58
58
58
58
58
58
58
58
58
58
58
58
58
MXZ-4A80VA
-
MXZ-5A100VA
E2
w
MXZ-5A only
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