TECHNICAL INFORMATION
6 720 641 467 (2010/01)
50
15.3 SOUND PRESSURE LEVEL
15.4 TEMPERATURE SENSOR RESISTANCE
VALUES
Internal unit
HWDU
Output of the internal unit
kW
4.5
Circulation pump rating
kW
0.2
Power supply
230V 1N~
50Hz
Maximum power consump-
tion
kW
4.7
Fuse rating
1)
1) aM type fuse, D characteristic MCB. Both units require a
means of electrical isolation.
AT
25
Maximum operating pressure
bar
(MPa)
2.5
(0.25)
Available capacity, DHW cyl-
inder
l
151
CH buffer volume
l
55
Expansion vessel
l
12
Expansion vessel,
pre-charge pressure
bar
(MPa)
1
(0.1)
Overheat protection
°C
90
Min. flow rate, heating sys-
tem
l/s
0
Heating circuit pump, sec-
ondary G1"
Wilo Star RS 25/6-3
Heating circuit pump, primary
G2"
Wilo Star RS 25/6-3
Dimensions (W×D×H)
2)
2) Dimensions excl. feet, supplied min 20 mm - max 30 mm
depending on adjustment.
mm
600×615×
1660
Dry weight
kg
122
Wet weight
kg
347
Tab. 10 Internal unit 290 A/W
LW
1)
sound pressure level (dB(A))
1) Measured in accordance with EN ISO 3743-1
6
64.9
7
64.9
9.5
64.9
Tab. 11
Temperature ( °C)
k
Ω
– 40
154.30
– 35
111.70
– 30
81.70
– 25
60.40
– 20
45.10
– 15
33.95
– 10
25.80
– 5
19.77
0
15.28
5
11.90
10
9.33
15
7.37
20
5.87
25
4.70
30
3.79
35
3.070
40
2.51
45
2.055
50
1.696
55
1.405
60
1.17
65
0.98
70
0.824
75
0.696
80
0.59
85
0.503
90
0.43
Tab. 12 Temperature sensor test values
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