Operating instructions

6
This manual is an integ r
al and essential par t of the product. It
should be kept with the appliance so that it can be consulted b y
the user and our authorised personnel.
Please carefully read the instr uctions and notices about the unit
contained in this man ual, as the y provide important information
regarding the safe installation, use and maintenance of the prod-
uct.
For operating instructions please consult the separ ate Previous
User Guide.
Read the instructions and recommendations in these Installation
Instructions carefully to ensure proper installation, use and main-
tenance of the appliance.
Keep this manual in a safe place.You may need it for your own ref-
erence while our Ser vicing Centre technicians or y our installer
may need to consult it in the future .
This is a combined appliance for the production of central heating
(C.H.) and domestic hot water (D.H.W.).
This appliance must be used only for the purpose for which it is
designed.
The manuf
acturer declines all liability f or damage caused b y
improper or negligent use.
No asbestos or other hazardous materials have been used in the
fabrication of this product.
Before connecting the appliance, check that the inf ormation
sho
wn
on the data plate and the technical data section comply
with the electric, water and gas mains of the property. You will find
the data plate on the reverse of the control panel.
The gas with which this appliance oper ates is also shown on the
label at the bottom of the boiler.
Do not install this appliance in a damp en vironment or close to
equipment which spra
y water or other liquids.
Do not place objects on the appliance.
Do not allow children or inexperienced persons to use the appli-
ance without supervision.
If you
smell gas in the room, do not turn on light switches, use
the telephone or any
other object which might cause spar ks.
Open doors and windows immediately to ventilate the room.
Shut the gas mains tap (at or adjacent to the gas meter) or the
valve of the gas cylinder and call y our Gas Supplier immediately.
If you are going away for a long period of time, remember to shut
the mains gas tap or the gas cylinder v alve.
Always disconnect the appliance either by unplugging it from the
mains or tur ning off the mains s witch before
cleaning the appli-
ance or carrying out maintenance.
In the case of faults or failure, switch off the appliance and turn
off the gas tap. Do not tamper with the appliance.
For repairs, call y our local A uthor
ised Servicing Centre and
request the use of or iginal spare par ts. For in-guarantee repairs
contact MTS (GB) Limited.
5.1 General Instructions
Check the following at least once a y ear:
1 - Check the seals f or the w ater connections; replace any
faulty seals.
2 - Check the gas seals; replace any faulty gas seals.
3 - Visual check of the entire unit.
4 - Visual check of the combustion process or analysis of com-
bustion by-products (see section 3.6) and cleaning of the
burner if needed.
5 - If called for by point. 3, dismantling and cleaning of the com-
bustion
chamber.
6 - If called for by point. 4, dismantling and cleaning of the burn-
er jets.
7 - Visual check of the primary heat exchanger:
- check for overheating in the blade assembly;
- clean the exhaust fan if needed.
8 - Adjustment of the flow rate of the gas: flow rate for lighting,
partial load and full load.
9 - Check of the heating safety systems:
- safety device for maximum temperature
(overheat thermostat);
- safety device for maximum pressure (safety valve).
10- Check of the gas safety systems:
- safety device for lack of gas or flame ionisation
(detection electrode);
- safety device for gas cock.
11- Check of the electr ical connection (make sure it complies
with the instructions in the manual).
12- Check of domestic hot water production efficiency (flow rate
and temperature)
13- General check of the comb ustion by-products of the dis -
charge/ventilation system.
14- Check of the general performance of the unit.
N
OTE: THESE CHECKS ARE NOT EXHAUSTIVE, FURTHER HYDRAULIC,
MECHANICAL, ELECTRICAL AND OPERATIONAL CHECKS MAY BE
REQUIRED AS NECESSARY
.
5. GENERAL INFORMATION
INSTALLATION AND SERVICING INSTRUCTIONS