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3. Technical specifications
Max direct kW rating
Immersion heat up times
(Btm immersion, 3kW)
Immersion heat up times
(Top immersion, 3 kW)
Immersion heat up times
(Both immersions, 6kW)
Coil surface area (m²)
Coil heat up times
Coil rating (kW) ²
Pressure drop through
coil
Heat loss (kW/24hrs)
Hot water capacity (volume to >40°C)
Weight empty (kg)
Weight full (kg) ¹
Volume (Litres) ¹
Max mains pressure
Max design pressure
Operating pressure/PRV set pressure
Max primary pressure ³
Expansion relief valve setting
T&P valve setting
T&P Part number
Immersion heater electrical rating
Table 1: Technical data - Indirect Cylinders
Notes:
1: at 3 bar water inlet pressure
2: at 80°C - +/- 2°C
3: Although the primary coil pressure rating is 1.0MPa (10bar) the 2 port zone valve and coil compression nuts supplied with
the cylinder is only rated 0.86MPa (8.6 bar). If the cylinder is to be plumbed into a system delivering 1.0MPa (10 bar) a
suitable 2 port zone valve and the coil compression nuts supplied will have to be sourced.
4:Tested to EN 12897:2006
3
3
75
139
N/A
N/A
N/A
N/A
0.58
0.58
15l/min
12.5
21.9
30l/min
12.0
17.4
45/min
9.6
15.3
15l/min
19.8
19.5
30l/min
23.4
25.1
45l/min
27.4
27.8
15l/min
30l/min
45l/min
0.91
1.05
87.4
139
25
31
117
168
92
137
3
3
3
6
167
179
208
208
N/A
N/A
N/A
86
N/A
N/A
N/A
90
0.72
0.79
0.79
0.79
23.2
31.5
32.0
32.0
20.0
25.1
25.3
25.3
17.0
23.3
24.1
24.1
20.9
19.4
19.4
19.4
25.0
25.1
25.3
25.3
28.8
26.8
26.8
26.8
0.005 MPa (0.05 bar)
0.018 MPa (0.18 bar)
0.030 MPa (0.30 bar)
1.18
1.20
1.42
1.42
159
197
200
200
35
39
43
44
190
217
238
238
155
178
195
194
1.6MPa (16 bar)
0.8MPa (8 bar)
0.3MPa (3 bar)
1.0MPa (10 bar)
0.8MPa (8 bar)
1.0MPa (10 bar)/90°C
95 605 810
3.0kW@240V/2.8kW@230V ~
3
6
3
6
252
252
294
294
N/A
92
N/A
94
N/A
100
N/A
104
0.79
0.79
0.79
0.79
40.1
40.1
42.3
42.3
34.6
34.6
35.5
35.5
26.8
26.8
33.1
33.1
19.5
19.5
20.5
20.5
24.2
24.2
25.4
25.4
28.9
28.9
28.3
28.3
1.61
1.61
1.69
1.69
240
240
284
284
50
51
58
59
283
283
341
341
233
232
283
282
5
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