Display items Meaning
Water pressure switch Error 47 The water pressure switch is disconnected or damaged
Error 80 Ret. T. > Supply T.
Error 81
Test in progress on temperature difference between sensors
If the test fails, Error 15 is displayed.
Error 82
The heat exchanger sensor has shorted or detected a temperature
outside the admissible range (equivalent to short circuit)
Error 83
The heat exchanger sensor is detached or has detected a temperature
outside the admissible range (equivalent to short circuit)
Error 84 High heat exchanger temperature (heat exchanger T > Supply T +10°C)
Error 89 Incompatible programming (e.g. Max< Min.)
Error 91 Cascade sensor in DC
Error 92 Cascade sensor in AC
Error 93 Outside sensor in DC
Error 94 Error in display board
Error 95 General cascade sensor error
Error 96 Outside sensor in AC
Error 97 Cascade connection defective
Error 98 Boiler bus connection error
Error 99 Internal boiler bus error
Error 97 Cascade connection defective
Error 98 Boiler bus connection error
Error 99 Internal boiler bus error
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Lunedi, 24. Settembre 2012
09.37
OPERATIONAL CHECKS - CALIBRATION AFTER GAS TYPE
CHANGES
For the gas change procedure, see the specific section on page 44.
To perform the operational checks and/or calibration after a gas
change, proceed as follows:
- Activate the MANUAL TEST function and press
A to increase
power to 100% (see section “MANUAL TEST function” page 47).
This sets the heating unit to operate at Maximum Capacity.
- Measure the gas flow rate, taking into account any relevant
corrective factors.
- Use the analyser to take CO2 and CO readings.
The test hole for flue analysis must be made on the straight
section of the flue duct at a distance of at least twice the diameter
from the appliance outlet (refer to current standards. Alternatively
a FLUE TEST KIT is available, to be ordered separately).
Compare the readings with those stated in the table below,
considering a tolerance of ± 5%.
DESCRIPTION
Multidea Evo
60 100 115
Max. gas consumption (G20)
5.83 9.95 11.32 m3/h
Min. gas consumption (G20)
0.74 1.25 1.59 m3/h
Max. gas consumption (G30)
4.35 7.41 8.44 kg/h
Min. gas consumption (G30)
0.55 0.93 1.18 kg/h
Max. gas consumption (G31)
4.28 7.30 8.31 kg/h
Min. gas consumption (G31)
0.54 0.92 1.17 kg/h
Max/min CO2 (G20)
9.3/8.8 9.1/8.7 9.4/9.0 %
Max/min CO2 (G30)
11.8/11.2 11.8/11.6 11.8/10.6 %
Max/min CO2 (G31)
10.1/9.6 9.9/9.4 10.2/9.4 %
Weighted CO
18 13 11 mg/kWh
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