27
3. COMMISSIONING
3.1.
I
NITIAL
P
REPARATION
MTS (GB) Limited support the initiative. In Sections 11
and 12 of this manual you will find the commissioning
checklist (page 70) and the service interval record (Page 71), It
is important the commissioning checklist 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 this manual 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
ILLING THE
H
EATING
S
YSTEM
:
Remove 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.
I
MPORTANT
!!
O
PEN THE MANUAL AIR VENT AND ENSURE THAT THE PRIMARY
EXCHANGER IS FREE OF AIR
. (See F
IG
. 3.0)
Refit 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
ILLING OF THE
D.H.W. S
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
AS
S
UPPLY
:
Inspect the entire installation including the gas meter, test for
soundness and purge, all as described in BS 6891:2005.
Open the gas cock (supplied with the connection kit) to the
appliance and check the gas connector on the appliance for
leaks.
W
ATER
T
REATMENT
:
The boiler is equipped with a stainless steel 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 on an existing system, any
unsuitable additives must be removed.
Under no circumstances should the boiler be fired before the
system has been thoroughly flushed; the flushing procedure
Manual Air Vent
F
IG
. 3.0
Summary of Contents for ACO 35 MFFI
Page 66: ...66 ...
Page 69: ...69 11 BENCHMARK COMMISSIONING CHECKLIST ...
Page 70: ...70 12 SERVICE INTERVAL RECORD ...
Page 71: ...71 ...