Mareli Systems LC 25 - Page 16

16
Mareli Systems
The main frame shows:
time and date, chrono activation, combustion
power and recipe, functioning state, error code,
main temperature, main thermostat,
summer/winter mode.
Button
Function
P1
P2
P3
P4
P5
P6
Exit Menu/Submenu;
Ignition and extinguishing (push for 3 seconds), Reset errors (push for 3 seconds), Enable/disable chrono;
Enter in User Menu 1/submenu, Enter in User Menu 2 (push for 3 seconds), Save data;
Enter in Visualizations Menu, Increase
Activation chrono time band
Enter in Visualizations Menu, Decrease
Led
Function
D1
D9
D2
D10
D3
D11
D4
D12
Igniter ON
Auger ON
Pump 1 ON
V2: Pump 2 ON
External Chrono reached
Lack of pellet
Local Room Thermostat reached
Sanitary water demand
Er01 - Return ame safety activated;
Er02 - Water overheating safety activated;
Er03 - Extinguishing for low exhaust temperature or missing light in the brazier;
Er04 - Extinguishing for water over temperature;
Er05 - Extinguishing due to high exhaust temperature;
Er06 - Pellet Thermostat open (ame return from the brazier);
Er07 - Encoder Error. The error may occur due to lack signal from Encoder;
Er08 - Encoder Error. The error can occur due to problems of adjustment of the number of revolutions;
Er09 - Water pressure low;
Er10 - Water pressure high;
Er11 - Clock Error. The error occurs due to problems with the internal clock;
Er12 - Extinguishing for ignition failure;
Er15 - Extinguishing due to power failure for more than 50 minutes;
Er16 - RS485 communication error (Display);
Er17 - Adjusting the Air Flow Failed;
Er18 - No more Pellet in the bunker;
Er23 - Boiler probe or Back boiler probe or probe Buer open;
Er25 - Engine cleaning brazier broken;
Er26 - Engine cleaning broken;
Er27 - Engine cleaning 2 broken;
Er39 - Sensor Flowmeter broken;
Er41 - Minimum air ow in Check Up is not reached;
Er42 - Maximum air ow exceeded;
Er44 - Open door error;
Er47 - Error Encoder Auger: missing signal Encoder;
Er48 - Error Encoder Auger: Auger regulation speed not achieved;
Er52 - Error Module I/O I2C;
Er57 - Test ’Forced Draught High’ in Check Up fail;
Service - Service error. It noties that the planned hours of functioning is reached. It is necessary to call for service.
ALARMS
CONTROL PANEL: USE AND FUNCTIONS
Description
Code
PRob
Hi
Clean
Port
Ignition
block
Cleaning on
Link Error
Anomaly of the probes checking, during Check Up phase.
Room temperature greater than 99 °C.
This message noties that the planned hours of functioning (parameter T67) are reached.
Door Open.
The message appears if the system is turned o during Ignition (after Preload) not manually:
the system will stop only when it goes in Run Mode.
Periodical Cleaning in progress.
No communication between motherboard and keyboard
MESSAGES
Exhaust T. [°C] - Exhaust temperature;
Room T. [°C] - Room Temperature ; it is displayed only if an input has been set as a Room Probe;
Boiler T. [°C] - Boiler Temperature;
Buffer T. [°C] - Buer Temperature, it is visible only if P26 is set on 2,3,4;
Pressure [mbar] - Water pressure;
Air Flux - Air ow; it is visible only if A24 is dierent from 5;
Fan Speed [rpm] - Exhaust fan speed; it is visible only if P25 is dierent from 0;
Auger [s] - Auger work time; it is visible only if P81 is equal to 0;
Recipe [nr] - Combustion recipe set; it is visible only if P04 is greater than 1;
Product Code: 510 - Product code;
VISUALIZATIONS
USER MENU 1
Combustion Management
Power - In this menu is possible to modify the combustion power of the system. It can be set in automatic or
manual modality . In the rst case the system chooses the combustion power. In the second case the user selects
the desired power. On the left side of the display are signalled the combustion modality (A=automatic combustion,
M=manual combustion) and the working power of the system.
Recipe - Menu to select the combustion recipe. The maximum value is the number of recipes visible to the user.
Heating Management
Boiler thermostat - Menu to change the value of the boiler thermostat .
Buffer thermostat - Menu to change the value of the Buer Thermostat; it is only visible if a plumbing plan with a
Buer is selected.
Room Thermostat - This Menu allows to modify the Local Room Thermostat’s value. It is visible only if the ambient
probe is select.
Summer-Winter - Menu that allows the selection Summer-Winter.
Manual Load
The procedure activates the pellet manual loading with activation in continue modality of the Auger engine. The
loading is stopped automatically after 600 seconds. The system must be OFF for the function can be activated.
Cleaning Reset
Menu to reset the ‘System Maintenance 2’ function.