Ariston Type C Installation And Servicing Instructions - Page 20
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3. COMMISSIONING
3.1.
I
P
NITIAL
REPARATION
20
MTS (GB) Limited support the
information pack you will find a copy of the
It is important that this is completed in the presence of your
customer, they are shown how to use it, and it is signed by them.
Please instruct your customer that they must have their
Log Book with them whenever they contact a service
engineer or us.
Preliminary electrical system checks to ensure electrical safety
must be carried out by a competent person i.e. polarity, earth
continuity, resistance to earth and short circuit.
F
H
S
:
ILLING THE
EATING
YSTEM
Remove the panels of the case and lower the control panel
(see section 3.2. for further information).
Open the central heating flow and return cocks supplied with
the connection kit.
Unscrew the cap on the automatic air release valve one full
turn and leave open permanently.
Close all air release valves on the central heating system.
Gradually open valve(s) at the filling point (filling-loop)
connection to the central heating system until water is heard to
flow, do not open fully.
Open each air release tap starting with the lowest point and
close it only when clear water, free of air, is visible.
Purge the air from the pump by unscrewing the pump plug
and also manually rotate the pump shaft in the direction
indicated by the pump label to ensure the pump is free.
Close the pump plug.
Continue filling the system until at least 1 bar registers on the
pressure gauge.
Inspect the system for water soundness and remedy any leaks
discovered.
F
D.H.W. S
ILLING OF THE
YSTEM
Close all hot water draw-off taps.
Open the cold water inlet cock supplied with the connection kit.
Open slowly each draw-off tap and close it only when clear
water, free of bubbles, is visible
G
S
:
AS
UPPLY
Inspect the entire installation including the gas meter, test for
soundness and purge, all as described in BS 6891:1988.
Open the gas cock (supplied with the connection kit) to the
appliance and check the gas connector on the appliance for
leaks.
Water Treatment
The boiler is equipped with an aluminium alloy main heat
exchanger.
The detailed recommendations for water treatment are given in
BS 7593:1992 (Treatment of water in domestic hot water central
heating systems); the following notes are given for general
guidance:
- If the boiler is installed in an existing system, any
unsuitableadditives must be removed;
- Under no circumstances should the boiler be fired before
thesystem has been thoroughly flushed; the flushing
procedure must be in line with BS7593:1992.
We highly recommend the use of a flushing detergent
appropriate for the metals used in the aluminium alloy circuit.
These include (Fernox Superfloc, BetzDearborn Sentinel
X300 or X400 or Salamander System Cleanser), whose
function is to dissolve any foreign matter that may be in the
system;
In hard water areas or where large quantities of water are in
initiative. Within the
Log Book.
: