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20

MCBA FOR SPECIALISTS: 
INSTALLER, SERVICE ENGINEER

INFORMATION ON THE INSTALLATION

Info mode

To switch from Pilot mode to Info mode, press “Mode” twice.

ENTERING THE CODE

Code mode

You can access the following parameters by entering the service
code:

• Parameters 5 - 42
• Communication mode
• Fan Speed mode
• ERROR mode

MODE

MODE

Start temperature T1 in °C

STEP

Return temperature T2 in °C

STEP

Hot water temperature T3 in °C

STEP

Outdoor temperature T4 in °C

STEP

Not used

STEP

Start temperature calculated in °C

STEP

Rate of increase in the start 
temperature in °C/s

STEP

Rate of increase in the return 
temperature in °C/s

STEP

Rate of increase in the hot water 
temperature in °C/s

STEP

Heating circuit outlet temperature
(AM3-11 – 4-way valve)

STEP

Press “STEP” until the system displays the information you need.
The point located behind the first position flashes to indicate that
the boiler is in “INFO” mode.

Key

Display

Description of parameters

Key

Display

STEP

STORE

MODE

STEP

+

or

-

Press “STEP” once and the system displays “C

in position 1, followed by arbitrary

characters in positions 3 and 4.

Press “STORE”, the screen flashes

briefly to indicate that the code has been accepted.

Press “MODE” until

the system displays the correct mode.

Press “+” or “-” to change the code.

Only ACX authorised installers know the access code.

For further information, please contact our after-sales
department.

To access Code mode, press 

MODE and STEP simultaneously

(only from Pilot mode!).

Содержание MCBA

Страница 1: ...TC wiring and replace if necessary T1 gradient too high Check that the pump is turning If there is no problem with the pump drain the system No fan signal present If the fan is working Check the fan control connection and the fan wiring if the problem persists after 2 RESET attempts replace the fan if the problem persists replace the MCBA If the fan is not working Check that the fan 230V connectio...

Страница 2: ... temperature STEP STEP STEP STEP Minimum central heating temperature when using an outdoor sensor STEP Minimum outdoor temperature adjust the heating curve STEP Maximum outdoor temperature adjust the heating curve STEP Frost protection temperature STEP Correction based on the outdoor temperature STEP Blockage T 0 Disabled 90 01 01 90 60 0 20 15 00 00 STEP Key Display Description of parameters Fact...

Страница 3: ...n speed in hot water mode rpm x 100 STEP 00 Min fan speed rpm x 100 STEP 15 Min fan speed rpm x 100 STEP 00 Fan speed at ignition rpm x 100 STEP 37 Heating pump time delay 0 10 sec minute 00 STEP Hot water pump time delay 10 2 10 sec minute 16 00 01 01 03 STEP Burner interlock hysteresis heating STEP Burner trigger hysteresis heating STEP Burner interlock hysteresis hot water STEP Burner trigger h...

Страница 4: ...es from 0 room thermostat STEP 00 00 00 05 01 05 00 Key Display Description of the parameters Factory setting 1st digit Hot water circulator pump 1 2nd digit tank with NTC3 sensor 2 STEP Manual fan speed 01 modulation 12 01 11 00 60 30 01 00 STEP 1st digit PWM pump operating speed 2nd digit PWM pump speed during time delay STEP Holding temperature STEP Maximum temperature for the heating circuit o...

Страница 5: ...e of increase in the hot water temperature in C s STEP Heating circuit outlet temperature AM3 11 4 way valve STEP Press STEP until the system displays the information you need The point located behind the first position flashes to indicate that the boiler is in INFO mode Key Display Description of parameters Key Display STEP STORE MODE STEP or Press STEP once and the system displays C in position ...

Страница 6: ...er at the time of the error See the table on page 16 STEP Start temperature T1 at the time of the error MODE Return temperature T2 at the time of the error STEP Hot water temperature T3 at the time of the error STEP Outdoor temperature T4 at the time of the error STEP Key Display Key Display Description of parameters MODE No communication Communication between the boiler module and the optional co...

Страница 7: ...A1000 B08 Fill set Ø 1 2 55426018 B09 Type A high level turbulators 507F2009 B10 Type B low level turbulators 507F2010 No Setting and electrical accessories C01 MCBA 537D8016 C02 Transformer 547D3021 C03 NTC Duplo NTC1 NTC2 5476G002 C04 NTC Single NTC3 5476G003 C05 Module AM3 11 10800080 C06 Module AM3 2 10800060 C07 Full control panel 24614133 C08 Display 537D3020 C09 Display case 537D3023 C10 Pr...

Страница 8: ...iciency Gas pressure SERVICE NOTES Service date CO2 min load CO2 max load Gas Propane Comments Name and signature Flue gas T Efficiency Gas pressure Service date CO2 min load CO2 max load Gas Propane Comments Name and signature Flue gas T Efficiency Gas pressure Service date CO2 min load CO2 max load Gas Propane Comments Name and signature Flue gas T Efficiency Gas pressure Service date CO2 min lo...

Страница 9: ...ice date CO2 min load CO2 max load Gas Propane Comments Name and signature Flue gas T Efficiency Gas pressure Service date CO2 min load CO2 max load Gas Propane Comments Name and signature Flue gas T Efficiency Gas pressure Service date CO2 min load CO2 max load Gas Propane Comments Name and signature Flue gas T Efficiency Gas pressure Service date CO2 min load CO2 max load Gas Propane Comments Na...

Страница 10: ......

Страница 11: ...com excellence in hot water www acv world com ARGENTINA TECNOPRACTICA ALFEREZ BOUCHARD 4857 1605 CARAPACHAY BUENOS AIRES TEL 54 11 47 65 33 35 FAX 54 11 47 65 43 07 E MAIL jchas tecnopractica com AUSTRALIA HUNT HEATING PTY LTD 10 GARDEN BOULEVARD 3172 VICTORIA AUSTRALIA TEL 61 3 9558 7077 FAX 61 3 9558 7027 E MAIL enquiries huntheat com au BRAZIL SIMETAL INDUSTRIA E COMERCIO DE FERRAMENTAS LTDA RU...

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