13
icos
-
Installation & Servicing
GENERAL
Safety valve setting
3.0 bar
2.5 bar
2.0 bar
Vessel charge and initial
0.5
1.0
1.5
0.5
1.0
1.5
0.5
1.0
system pressure
bar
bar
bar
bar
bar
bar
bar
bar
Total water content of system
Expansion vessel volume litres
litres
25
2.1
2.7
3.9
2.3
3.3
5.9
2.8
5.0
50
4.2
5.4
7.8
4.7
6.7
11.8
5.6
10.0
75
6.3
8.2
11.7
7.0
10.0
17.7
8.4
15.0
100
8.3
10.9
15.6
9.4
13.4
23.7
11.3
20.0
125
10.4
13.6
19.5
11.7
16.7
29.6
14.1
25.0
150
12.5
16.3
23.4
14.1
20.1
35.5
16.9
30.0
175
14.6
19.1
27.3
16.4
23.4
41.4
19.7
35.0
200
16.7
21.8
31.2
18.8
26.8
47.4
22.6
40.0
225
18.7
24.5
35.1
21.1
30.1
53.3
25.4
45.0
250
20.8
27.2
39.0
23.5
33.5
59.2
28.2
50.0
275
22.9
30.0
42.9
25.8
36.8
65.1
31.0
55.0
300
25.0
32.7
46.8
28.2
40.2
71.1
33.9
60.0
Multiplying factors for
other system volumes
0.0833
0.109
0.156
0.094
0.134
0.237
0.113
0.20
8
SEALED SYSTEM REQUIREMENTS - continued
9
WATER TREATMENT
The icos boiler range have an ALUMINIUM alloy heat exchanger
IMPORTANT.
The application of any other treatment to this product may render the guarantee of
Caradon Ideal Limited invalid.
Caradon Ideal Limited
recommend water treatment in accordance with the
Benchmark
Guidance Notes on Water
Treatment in Central Heating systems.
Caradon Ideal Limited
recommend the use of FERNOX-COPAL or MB1,GE Betz Sentinel X100 OR Salamander
Corrosion Guard inhibitors and associated water treatment, which must be used in accordance with the manufacturers'
instructions. For further information contact:
Notes
1.
It is most important that the correct concentration of the water
treatment product is maintained in accordance with the
manufacturers' instructions.
2.
If the boiler is installed in an existing system any unsuitable
additives MUST be removed by thorough cleansing.
BS. 7593:1992 details the steps necessary to clean a
domestic central heating system.
3.
In hard water areas, treatment to prevent lime scale
may be necessary - however, the use of artificially
softened water is NOT permitted.
4.
Under no circumstances should the boiler be fired
before the system has been thoroughly flushed.
GE Betz Ltd
Sentinal Division
Foundry Lane
Widnes
Cheshire
WA8 8UD
Tel: +44 (0) 151 4245351
Fernox Manufacturing Co. Ltd
Cookson Electronics
Forsyth Road
Sheerwater
Woking
Surrey
GU21 5RZ
+44 (0) 1799 521133
Salamander Engineering Ltd
Unit 24
Reddicap Trading Estate
Sutton Coldfield
West Midlands
B75 7BU
Tel: +44 (0) 121 3780952
200212-10.pmd
9/5/2005, 8:58 AM
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