Commissioning
34
10
12
14
16
18
20
22
24
26
28
6
9
12
15
18
21
24
27
kW
mbar
Butane (G30)
M90D.24S
M90D.28S
Fig. 7.10
10
12
14
16
18
20
22
24
26
28
8 11 14 17 20 23 26 29 32 35
kW
mbar
Propane (G31)
M90D.24S
M90D.28S
Fig. 7.11
7.9
Checking the ignition device
With the burner on high flame close the gas cock.
About 10 seconds after, the lock---out signal lamp
6 (Fig. 1.3 on page 1) must appear.
To reset the boiler press and release the boiler
reset button 7 (Fig. 1.3 on page 1).
7.10
Checking the flue system
The flue system should be visually checked for
soundness. Check all clamps, gaskets and fixings
are secure and tight.
Ensure that the flue terminal is sited correctly in ac-
cordance with the flue fitting instructions and
Fig. 5.1 on page 20 of this manual.
To carry out a combustion check refer to the in-
structions given in the section 9.5 of this manual.
Reference figures are given in the sections 4.4 or
4.5 of this manual (Flue gas figures).
7.11
Instructing the user
Hand over this combined User & Installation man-
ual and the Service manual to the end user and ex-
plain how to use the unit in both c.h. and d.h.w.
modes.
Take the User step by step through the lighting in-
structions.
Show the User how to switch off the appliance
quickly and indicate the position of the electric
supply isolator.
Explain the proper use and adjustment of all sys-
tem controls; this will ensure the greatest possible
fuel economy.
Explain the function and use of the function selec-
tor.
Explain and demonstrate the function of time and
temperature controls (if fitted).
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 condi-
tions may occur.
Fill in the details required on the Boiler Guarantee
Certificate and hand to the User advising them to
return the correct section for boiler Guarantee reg-
istration.
Finally, advise the User that, for continued safe
and efficient operation, the appliance must be ser-
viced by a competent person at least once a year.
IN
S
TA
LLA
TI
O
N
