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9
11
UNT-PRC002-GB
Sound power levels
Discharge
Measurement conditions:
Measurements taken in a room adjacent to the room containing the FWD, at the outlet of the rectangular duct (1.5 m
long) fixed to its discharge opening.
Fan
Power level in dB(A), per Hz frequency band
Overall power
Unit
speed
125
250
500
1000
2000
4000
8000
dB(A)
1
55
50
42
37
37
31
30
46
FWD 08
2
57
54
47
40
30
38
40
50
3
58
57
50
42
32
40
43
53
1
57
51
45
42
34
33
28
48
FWD 10
2
58
54
48
45
38
39
35
51
3
60
58
50
48
40
42
39
54
1
57
51
45
42
34
33
28
48
FWD 12
2
58
54
48
45
38
39
35
51
3
60
58
50
48
40
42
39
54
1
56
62
50
48
39
38
36
56
FWD 14
2
61
66
55
53
47
46
45
60
3
63
69
58
56
50
50
49
63
1
57
63
51
49
40
39
37
57
FWD 20
2
61
66
55
53
47
46
45
60
3
63
69
58
56
50
50
49
63
Intake
Measurement conditions:
Measurements taken at the horizontal air intake.
Fan
Power level in dB(A), per Hz frequency band
Overall power
Unit
speed
125
250
500
1000
2000
4000
8000
dB(A)
1
56
55
55
53
46
45
42
57
FWD 08
2
63
62
60
60
53
53
53
64
3
66
65
63
62
56
55
57
67
1
62
58
55
58
51
48
44
61
FWD 10
2
66
63
60
62
56
55
52
66
3
70
67
63
65
59
59
57
69
1
62
58
55
58
51
48
44
61
FWD 12
2
66
63
60
62
56
55
52
66
3
70
67
63
65
59
59
57
69
1
66
65
65
65
57
50
46
68
FWD 14
2
73
72
69
71
64
59
57
74
3
78
76
73
75
69
64
63
78
1
68
72
64
64
56
52
50
69
FWD 20
2
76
76
68
71
65
61
61
75
3
78
79
71
74
69
66
66
78
CG-SVU007D-GB
Alarms display and resetting
A fault on a unit will be shown through the user interface or through 2 digital outputs, one for each refrigerant circuit.
The alarms are divided into 3 categories:
Warning:
Shows that something is wrong on the unit but unit can be kept in operation. A message is displayed on
the user interface screen. These messages are not recorded in the history list.
Fault with automatic reset:
when the cause of the fault disappears, the fault is cancelled and unit operation will
return to normal. The messages displayed on the user interface screen disappear but are recorded in the history list
of faults. The fault is relayed through the digital output if I/O parameter is set to show a circuit fault.
Fault with manual reset:
when the cause of the fault disappears, a manual reset is required to restart the unit.
The messages displayed on the user interface screen disappear and are recorded in the history list of faults.
The fault is relayed through the digital output if I/O parameter is set to show a circuit fault.
Should an alarm occur,
will be lit in red.
Pressing
once will display the alarm message (refer to Table 6 for possible messages)
When alarm message is displayed press
to reset the default if necessary.
Alarms