3.4 Electrical connection
Unit type
NGV-6/30
NGV-6/60
NGV-9/60
Supply voltage
V AC
400 3N
400 3N
400 3N
Permitted voltage tolerance
%
+10 / -15
+10 / -15
+10 / -15
Frequency
Hz
50
50
50
Power consumption
at rated heating capacity
W
690
1120
1010
at minimal capacity
W
510
650
710
in standby mode
W
4
4
4
Current consumption max.
A
1.6
2.5
2.1
Protection rating
–
IP 20
IP 20
IP 20
Table C5: TopVent
®
NGV electrical connections
3.5 Gas connection
Unit type
NGV-6/30
NGV-6/60
NGV-9/60
Gas appliance type
1)
B
23
, C
13
, C
33
Gas connection
Rp ½ " (internal) R ¾" (external) R ¾" (external)
Combustion air connection
DN 80
DN 100
DN 100
Flue gas connection
DN 80
DN 100
DN 100
Max. length of flue gas duct
2)
9 m
9 m
9 m
1) According to method of flue gas evacuation and combustion air supply
2) Equivalent length of formed parts:
– 90° elbow ..... 2 m
– 45° elbow .... 1 m
– 90° T-piece ... 2 m
Table C6: TopVent
®
NGV gas circuit connections
3.6 Sound levels
Unit type
NGV-6/30
NGV-6/60
NGV-9/60
Fan speed
1
2
1
2
1
2
Sound pressure level (at a distance of 5 m)
1)
dB(A)
47
54
49
55
50
56
Total sound power level
dB(A)
69
76
71
77
72
78
Octave sound power level
63 Hz
dB
72
80
77
82
78
83
125 Hz
dB
69
76
73
81
74
82
250 Hz
dB
72
78
73
79
74
80
500 Hz
dB
66
74
70
74
71
75
1000 Hz
dB
63
71
66
72
67
73
2000 Hz
dB
59
68
61
68
62
69
4000 Hz
dB
52
62
55
62
56
63
8000 Hz
dB
48
56
50
57
51
58
1) With a hemispherical radiation pattern in a low-reflection room
Table C7: TopVent
®
NGV sound power levels
24
TopVent
®
NGV
Technical data
Содержание DGV-6/30
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