- 63 -
INST
ALLA
TION
COMMISSIONING
for soundness. Check all clamps, gaskets
and fi xing are secure and tight.
Ensure that the fl ue terminal is sited cor-
rectly in accordance with the fl ue fi tting in-
structions and Fig. 5.1 on page 31 of this
manual.
To carry out a combustion check refer to
the instructions given in the section "Com-
bustion analysis check" to page 72 of this
manual.
Reference fi gures are given in the "Techni-
cal Data" section page. 24 of this manual
(Flue gas fi gures).
Checking the condensate
7.15
drain pipe
Check the soundness and integrity of the
condensate drain pipe.
Verify the cleanness and correct fi lling of the
condensate traps.
Instructing the user
7.16
Hand over this combined User & Installation
manual and the Service manual to the end
user and explain how to use the unit .
Take the User step by step through the light-
ing instructions.
Show the User how to switch off the appli-
ance quickly and indicate the position of the
electric supply isolator.
Explain the proper use and adjustment of all
system controls; this will ensure the great-
est possible fuel economy.
Explain the function and use of the function
selector.
Explain and demonstrate the function of
time and temperature controls (if fi tted).
Explain how to turn off the appliance for both
short and long periods and advise on the
precautions necessary to prevent damage
should the appliance be inoperative when
freezing conditions may occur.
Fill in the details required on the Boiler
Guarantee Certifi cate and hand to the User
advising them to return the correct section
for boiler Guarantee registration.
Finally, advise the User that, for continued
safe and effi cient operation, the appliance
must be serviced by a competent person at
least once a year.
The user is responsible for keeping the
documentation integral and within reach for
consultation.
Adjustment of useful c.h.
7.17
output
The following procedure allows the output of
the boiler for central heating to be adjusted
to meet the system requirement. Adjusting
the useful central output does not prevent
the boiler fi ring at maximum rate for domes-
tic hot water production.
Refer to Fig. 7.40 and determine the correct
Value appertaining to the output required for
the central heating requirement.
Values (%)
0
0
10
20
30
40
50
60
70
80
90
5
10
15
20
25
30
Useful output (kW)
Activ A 30S
Activ A 25S
Activ A 18S
Fig. 7.40
Enter the ”programming mode” by press-
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