User manual

Installation Manual
Wall Hung Condensing Boiler – Cod. 99921NA – June 2002
9
CONTROL PANEL
LEGEND
(see fig. 1)
1.
ON / OFF POWER SWITCH
2.
HEATING TEMPERATURE
ADJUSTMENT KNOB
3.
DOMESTIC HOT WATER
TEMPERATURE ADJUSTMENT
KNOB
4.
SPACE FOR AN OPTIONAL TIME
CLOCK
5.
MODE SELECTION PAD (SUMMER
ONLY / WINTER ONLY / SUMMER
AND WINTER)
6.
OUTSIDE TEMPERATURE DISPLAY
PAD (ONLY WITH OPTIONAL
OUTSIDE TEMPERATURE SENSOR
FITTED)
7.
TEMPERATURE AND ERROR
CODES DISPLAY
8.
WATER DEFICIENCY INDICATOR
9.
WATER PRESSURE LEVEL 1 BAR
INDICATOR
10.
WATER PRESSURE LEVEL 1.5 BAR INDICATOR
11.
GENERAL LOCK-OUT WITH FLASHING ERROR CODE ON DISPLAY (7)
12.
HEATING OPERATION
13.
DOMESTIC HOT WATER OPERATION
ERROR CODES:
1.
IONISATION LOCK-OUT
2.
HIGH LIMIT THERMOSTAT LOCK-OUT
3.
FLUE SAFETY THERMOSTAT LOCK-OUT (Not applicable)
4.
WATER PRESSURE SWITCH LOCK-OUT
5.
HEATING SENSOR FAILURE
6.
DOMESTIC HOT WATER SENSOR FAILURE
12.
STORAGE TANK WATER SENSOR FAILURE
14.
AIR PRESSURE SWITCH LOCK-OUT
22.
REQUEST OF PARAMETERS RE-SETTING
STARTING UP THE BOILER
After connecting up the water supply, before starting up the boiler, carry out the following procedures:
Preliminary procedure
•
Do as follows:
•
make sure the power supply for the boiler is the same as that
stated on the plate (230V - 50Hz) and that the live, neutral and
earth connections have been properly connected;
•
make sure the type of gas being supplied is the same as the type
for which the boiler has been tested and approved (see plate
data);
•
make sure the unit is properly earthed;
•
make sure there are no flammable liquids or materials in the
immediate vicinity of the boiler;
•
make sure that any shut-off valves in the heating circuit are
open;
•
open the gas cock and check the gas seals, making sure the
counter shows no sign of leaks; in any case, double check by
using a soapy solution and eliminate all eventual leaks. The
checking procedure for the gas burner attachment is carried out
with the boiler working;
•
make sure the electrical mains switch is OFF;
•
remove the front cover by pulling it forwards;
•
undo the side screws and rotate the panel downwards
Filling the system
After making sure the gas cock is closed, fill the heating system as follows;
•
fill the system until a pressure of 1.5 bar has been reached (light no. 10 ON; see fig. 1) and then close the filling tap (see fig. 2 pag 10)
located under the boiler;
•
make sure the cap on the auto air vent valve is slightly loose to allow air to escape from the system;
• undo the cap on the circulation pump to eliminate any eventual air locks; it is a good idea to purge all radiators of air at this point too;
• before starting up the boiler the water pressure must be checked again; if this is seen to be below 0.5 bar , bring it back up to 1.5 bar (light no.
10 ON; see fig. 1) and then close the filling tap located under the boiler;
• set ON/OFF switch in ON position (fig.1), after a few seconds the pump will come into operation;
• once the boiler is working, if any noises are heard in the system, repeat the above air purging procedures until there is no air left in the system;
• check there are no obstructions in the exhaust duct;
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8 9 10 11 12 513 1 4
ELECTRONIC WATER
PRESSURE GAUGE
Fig. 1