Ariston 47 116 52 User Manual

User’ manual  
CLAS HE  
Condensing wall hung system boiler  
G.C.N : 47-116-51 (24 kW)  
G.C.N : 47-116-52 (30 kW)  
G.C.N : 47-116-53 (38 kW)  
CLAS HE 24  
CLAS HE 30  
CLAS HE 38  
The code of practice for the installation,  
commissioning & servicing of central heating systems  
usermanual  
Auto Function  
The AUTO function serves to optimise boiler performance, while maintaining an optimum radiator temperature and maximum  
user comfort. It ensures the building stays at the ideal temperature, whilst saving energy.  
The principle is that the water temperature at the boiler outlet is automatically adjusted, depending on the interior ambient  
temperature.  
Control Panel  
Ignition procedure  
Press the ON/OFF button on the control panel to switch on the boiler.  
The display shows:  
1
2
17  
16  
15  
14  
13  
3
4
1
2
24  
23  
3
22  
4
12  
21  
5
20  
6
12  
1 8  
8
5
6
1 7  
9
6
1 6  
1 0  
1 5  
1 1  
1 4  
1 2  
1 3  
11  
10  
9
7
8
The first figure indicates the operating mode:  
Legend :  
0
C
c
- Stand -by,  
- Central heating request  
- Heating post-circulation  
1. Display  
ꢀ. Reset button  
ꢁ. Red indicator locking light  
4. Orange indicator COmfORt fonction  
5. Pressure gauge  
6. Heating temperature regulation knob  
7. button  
8. menu/Ok button (Programming key)  
9. esC button  
10. button +  
d
H
F
- Domestic hot water request  
- Hot water post-circulation  
- Circulation pump anti-freeze protection enabled  
- burner anti-freeze protection enabled  
_
The second and third figures indicate:  
-
-
-
-
the flow temperature when no heating requests have been made  
the flow temperature in central heating mode  
the temperature of the hot water in domestic hot water mode  
the flow temperature in anti-freeze mode.  
11. Domestic Hot Water adjustment knob  
1ꢀ. Time clock  
1ꢁ. ON/OFF button  
14. Blue indicator burner ON  
15. Yellow indicator AutO fonction  
16. AutO button (To active Thermoregulation)  
17. COmfORt button  
Initial operating procedures  
If the boiler is installed inside the apartment, make sure that  
all provisions relating to the air inlet and room ventilation (in  
compliance with current legislation) are respected.  
Check the water pressure on the display regularly and make sure  
that the figure is between 0.6 and1.5 bar when the system is cold.  
If the pressure is just under the minimum value the display will  
request a filling procedure.  
Re-establish the correct pressure by filling loop.  
If the pressure drops very frequently, there may be a water leak at  
some point in the system. If this is the case a plumber should be  
contacted.  
usermanual  
Winter or summer function  
Turn the heating button 6 to select the desired operating mode  
(winter or summer). In winter mode every heating is shown on the  
display by the heating temperature.  
Summer mode is set by putting the button 6 in  
position (hea-  
ting o).  
Adjusting the heating  
It is possible to set the temperature of the heating water by  
adjusting the knob 6. By placing the indicator somewhere between  
min. and max. a temperature may be obtained which varies from  
about ꢀ0°C to about 45°C (low temperature) and about ꢁ5°C to  
about 8ꢀ°C (high temperature).  
Domestic hot water temperature adjustement  
It is possible to set the temperature of the domestic hot water by  
adjusting the knob 11 a temperature may be obtained which va-  
ries from about ꢁ6°C to about 60°C.  
The value set previously will flash on the display.  
4
usermanual  
COMFORT function  
To activate the comfort mode it is necessary to press the comfort  
button 17, this will be indicatd by a yellow light 4. The comfort  
mode has priority over any other heating request.  
There are two settings for the comfort mode (they can be adjusted  
in the parameters menu):  
1. As soon as DHW is drawn, the secondary heat exchanger is kept  
warm for ꢁ0 mins.  
ꢀ. As soon as DHW is drawn, the secondary heat exchanger is kept  
warm permanently.  
This function may be enabled by pressing the COMFORT button.  
Switching off the heating  
To switch off the heating mode turn the button 6 in the position  
. The boiler switches in sanitary mode only and indicating the  
set temperature.  
Stand by  
To switch off the boiler press the ON/OFF 13.  
Switch off the boiler completely by switching the external electri-  
cal switch to the OFF position; the display will switch off.  
Close the gas tap.  
5
usermanual  
Appliance shut-off conditions  
Operation shutdown error table  
The boiler is protected from malfunctions by means of internal  
checks performed by the electronic P.C.B., which stops the boiler  
from operating if necessary. In the event of the boiler being shut off  
in this manner, a code appears on the control panel display which  
refers to the type of shut-off and the reason behind it.  
Two types of shut-off may occur:  
Display  
1 01  
Description  
Overheating  
5 01  
No flame detection  
Safety shut-off  
1 0ꢁ  
1 04  
1 05  
1 06  
1 07  
This type of error is “volatile, which means  
that the boiler starts up again automatically  
as soon as the problem which caused the  
shut-off is removed. The display will flash  
”Errand the error code.  
Insufficient circulation  
In fact, as soon as the cause of the shut-off disappears, the boiler  
starts up again and continues to operate normally.  
While the boiler is shut off for safety reasons, it is possible to attempt  
to restore normal operation by switching the appliance off and on  
again using the ON/OFF button on the control panel.  
If the boiler still indicates a safety shut-off, switch it off. Make sure  
the external electric switch is in the OFF position, close the gas tap  
and contact a qualified technician.  
ꢁ 05  
ꢁ 06  
ꢁ 07  
P.C.B error  
P.C.B error  
P.C.B error  
Anti-frost Device.  
The anti-frost function acts on the central heating flow temperature probe,  
independently from other settings, when the electrical supply is turned  
on.  
If the primary circuit temperature falls below 8°C the pump will run for ꢀ  
minutes.  
After the two minutes of circulation (fixed) the boiler will check the fol-  
lowing:  
a) if the central heating flow temperature is > 8°C, the pump stops;  
b) if the central heating flow temperature is between 4 and 8°C, the pump  
will run for another two minutes;  
Safety shut-off due to insufficient water pressure  
If the water pressure inside the heating circuit is insufficient, the  
boiler will perform a safety shut-off. (See table).  
To re-pressurise the boiler, it will be necessary to connect  
the silver flexible hose supplied to the two isolating points  
underneath the boiler, once the hose is connected, open up both  
of the black quarter turn handles, once the pressure reads 1.5 bar  
on the display, close both handles and disconnect the hose .  
If the pressure drops very frequently, there may be a water leak  
at some point in the system. If this is the case please contact your  
installer and ask them to check it.  
c) if the central heating flow temperature is < 4°C, the burner will fire  
(heating position) at minimum power until the temperature reaches  
ꢁꢁ°C, the burner will go off and the pump will continue to run for two  
minutes.  
Operation shutdown  
This type of error is “non volatile, which means that it is not  
removed automatically. The display will flash Err and the error  
code and the red led lights up “ꢁ”  
In this case the boiler does not restart automatically, but it may  
be reset by pressing the button. If the problem manifests  
The anti-frost device activates only when (with the boiler operating cor-  
rectly):  
- the system pressure is correct,  
- the boiler is electrically powered,  
- there is a supply of gas.  
.
itself again after several attempts to reset the appliance, contact a  
qualified technician.  
IMPORTANT  
IF THIS SHUTDOWN OCCURS FREQUENTLY, CONTACT AN  
AUTHORISED SERVICE CENTRE FOR ASSISTANCE. FOR SAFETY  
REASONS, THE BOILER WILL ALLOW A MAXIMUM OF 5 RESET  
OPERATIONS TO TAKE PLACE IN 15 MINUTES (INDIVIDUAL  
PRESSES OF THE  
BUTTON).  
6
usermanual  
Auto button - Temperature adjustment activation  
The AUTO function enables boiler operation to be adapted to  
environmental conditions and to the type of system it is installed  
on.  
Comfortable temperature is reached inside the room in the quickest  
way possible, without wasting money, energy or efficiency, while  
substantially reducing the amount of wear experienced by the  
components.  
Your installer will advise you on the devices connectable to  
the boiler and will program it according to the system.  
Innormalboilersthewatertemperatureinsidetheheatingelements  
is usually set to a high value (70-80°C), thereby ensuring effective  
heating during the few really cold winter days. It then becomes  
excessive on less cold days (of which there are many) more typical  
of the autumn and winter seasons. This leads to excessive room  
heating after the thermostat has been switched off, resulting in  
energy waste and uncomfortable conditions inside the room.  
The AUTO functiontakes controlof the boiler and selects the best  
operating regime based on environmental conditions, external  
devices connected to the boiler and the performance required. It  
constantly decides at which power level to operate based on the  
environmental conditions and the room temperature required.  
Change of gas type  
Our boilers are designed to function either with Natural Gas (meth-  
ane) or L.P.G. gas. If you need to change from one gas to the other,  
one of our Authorised Service Centres must be contacted to con-  
vert the appliance.  
Maintenance  
Schedule an annual maintenance check-up for the boiler with a  
competent person.  
Correct maintenance always results in savings in the cost of  
running the system.  
Failure to arrange an annual service for the appliance will invalidate  
the second year of the manufacturers guarantee.  
7
Commercial subsidiaries:  
MTS (GB) Limited  
MTS Building  
Hughenden Avenue  
High Wycombe  
Professional Team Limited  
Suites 9 & 10, Plaza ꢀ56  
Blanchardstown Corporate Park ꢀ  
Ballycoolin  
Bucks HP1ꢁ 5FT  
Telephone: (01494) 755600  
Fax: (01494) 459775  
Dublin 15  
Telephone: (01) 810 ꢁ7ꢀꢁ  
Fax: (01) 810 ꢁ7ꢀ7  
Technical Advice: 0870 ꢀ41 8180  
Customer Service: 0870 600 9888  
Technical Advice: (01) 4ꢁ7 01ꢀ1  
Customer Service: (01) 4ꢁ7 01ꢀ1  

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