1.3.OVERALL VIEW
24 MFFI
24 RFFI SYSTEM
LEGEND:
1.Flue connector
2.Heating flow temperature probe
3.Mixer
4.Condensate collector
5.Expansion vessel
6.Condensate trap (tube)
7.Condensate trap
8.Diverter valve
9.Main circuit flow switch
10.Domestic hot water temperature probe
11.Control panel
12.Gas valve
13.Domestic hot water flow switch
14.Drain valve
15.Safety valve (3 bar)
16.Secondary heat exchanger
17.Circulation pump with automatic air release valve
18.Heating return temperature probe
19.Sealed combustion chamber
20.Combustion chamber inspection hatch
21.Fan
22.Ignition and detection electrode
23.Main heat exchanger (aluminium)
24.Automatic
25.Silencer
2. INSTALLATION
The technical information and instructions provided herein below are intended for the installer so that the unit may be installed correctly and safely.
2.1.REFERENCE STANDARDS
The installation and initial
This appliance must be installed by a competent installer in accordance with the current Gas Safety (installation & use) Regulations.
The installation of this appliance must be in accordance with the relevant requirements of the current Gas Safety (installation & use) Regulations, the Local Building Regulations, the current I.E.E. Wiring Regulations, the byelaws of the local water authority, and in Scotland, in accordance with the Building Standards (Scotland) Regulation and Health and Safety document No. 635 “Electricity at work regs. 1989”. Installation should also comply with the following British Standard Codes of Practice:
Low pressure |
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pipes | BS 6891 | 1988 |
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Boilers of rated input |
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not exceeding 60 kW | BS 6798 | 1987 |
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Forced circulation hot |
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water system | BS 5449 | 1990 |
Installation of gas hot water |
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supplies for domestic purposes |
| |
( 2nd family gases) | BS 5546 | 1990 |
Flues | BS | 1990 |
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Air supply | BS | 1989 |
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FIG. 1.1
275 | 3 |
