Alde Comfort 2928 Руководство по эксплуатации - Страница 11
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4.
ConnECTIon To HoT WATEr
HEATEr
(Applies only if a water heater 2959 is fitted)
In order for the water heater to work, it must be con-
nected to the fresh water system. From the heater, the
hot water hose should run to the shower, thermostat
mixer, sink, etc. On the water heater, connections
1/4"R should be used. P.T.F.E. tape or similar should
be used a thread of connections to avoid leakage.
The fresh water connections are located on the rear of
the heater. Incoming water at the bottom and outgoing
water at the top. So that the fresh water can be easily
drained off when the heater is not in use, a drain cock
should be fitted to the incoming connection and an air
screw on the outgoing connection.
Fig 15
A.
Air screw
B.
Hot water
C.
Water heater
D.
Cold water
E.
Drain cock
5.
InSTALLATIon InSpECTIon
The Lp gas system:
•
After installation or service, always test the LP gas
installation under pressure following currently valid
regulations.
•
If a leak is present, find the leak using leak detection
spray or soapy water. note: open flames must not
be used during leak localisation.
•
Check that the reduction valve is at the right
pressure.
We recommend the mounting of an Alde LP gas leak-
age tester in order to further increase safety. The tester
is mounted closest to the reducing valve and enables
you to test that the system does not leak by simply
pushing a button.
The heating system:
•
The heating system should be tested for leaks when
the complete system is visible, that is, before any
fittings are mounted. Two methods are possible:
either test pressurisation at 0.75 - 1.0 bar for 15 min
utes, followed by reduction of the pressure to a maxi
mum of 0.05 bar; or by filling the system with liquid
and checking by inspection. No leakage of liquid can
be accepted.
•
Check that all hose clips are fitted and correctly
placed.
other points:
•
Check that the drainage tubes and the bleed tube on
the expansion tank are not blocked, and check that
the drainage tap on the water heater (if mounted) is
not blocked.
•
Check that the circulation pump rotates in the correct
direction (anticlockwise) at the rubber connection.
•
Check that the chimney and the chimney pipe are
correctly placed and securely attached, and check
that the input tube on the Comfort 2928 is mounted
on both chimney and boiler.
•
Check that air can pass freely through the ventilation
drum.
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