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Fig. 5.4
A
- Gas inlet - (22 mm)
B
- DHW outlet elbow - (15 mm)
C
- Cold water mains inlet - (15 mm)
D
- Heating return - (22 mm)
E
- Heating flow - (22 mm)
A
B
C
D
E
65
70
45
70
95
95
30
120
Hot water outlet
Condensate discharge pipe
Heating drain point
Gas service cock (yellow)
Heating return valve
Safety valve operation indicator
Cold water inlet, filter and restrictor
Heating flow valve
Electrical connection
Location for
wall mounting
bracket on
rear of boiler
Pour water into flue duct
(to fill condensate trap)
Fig. 5.3 - rear of boiler
Alpha Evoke 28 and 33 - Installation
5.4 FIT THE BOILER - Refer to Figs. 5.2 and 5.3
Lift the boiler and locate it on the mounting bracket - the
boiler should be lifted by
two
persons.
Note:
When handling or lifting always use safe techniques
- keep your back straight, bend your knees, don't twist -
move your feet, avoid bending forwards and sideways and
keep the load as close to your body as possible.
Where possible transport the boiler using a sack truck or
other suitable trolley.
Always grip the boiler firmly, and before lifting feel where
the weight is concentrated to establish the centre of gravity,
repositioning yourself as necessary.
Appropriate personal protective equipment should be worn.
5.5 CONNECT THE PIPEWORK - Fig. 5.4
1. Thoroughly flush out all the water pipework. Refer to Section 3.9.
2. Fit the valves to the boiler connections as shown in Fig. 5.4 - note the colours
of the operating levers.
3. Connect the system pipework to the union fittings on the valves just fitted.
Note:
When soldering bends, ensure they are not connected to the valves, otherwise the internal seals may be
damaged.
One metre of copper pipe must be fitted to the boiler before connecting to any plastic pipework conforming to
BS 7291.
4. Connect the flexible condensate pipe to the rubber connector as shown in Fig. 5.4. Using the adaptor supplied, connect
the flexible pipe to the condensate drain.
Ensure that the condensate discharge pipe is as required in Section 4.10.
5.
Ensure that all the valves are closed (operating lever at right angle to valve) and do not turn on the water or gas supplies
at this stage.