Dear customers! ECOTERMAL Ltd appreciates the good choice you have made! Please get familiar in detail with the present manual in order to use the full scale of advantages of electric boilers and modules with electronic control that will secure for you comfortable, environmentally friendly and economical heating through their quality, reliable and modern automation.
2. INTRODUCTION The flow-through electric boiler/module of ECOTERMAL is a modern ecological source of heat designated for story and central heating of small and average size houses and production facilities. The main advantages of heating with electric power are mostly cost effectiveness, high efficiency, environmental friendliness and compactness.
3. CONTROL SYSTEM The present technical description is reviewing the operation principle and the characteristics of the control system of electric boiler/module with rated heaters’ power up to 90 kW. The system is carrying out a complex control of the local electrical water heating components in accordance with the ambient conditions as well as of boiler’s/module’s body in a set up regime, which prolongs the life of components and increases the reliability.
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Display It provides visual information about the current values of measured quantities and the status of the system, through symbols (icons) as well as the possibility for setting the controller through the user menu. 1 – Water temperature indicator in the boiler as well as a part of the menu showing the parameter under setting.
6 – Clock. Indicates time intervals upon setting the week program 7 – Indicates the number of the active week program Setting buttons: „▼” – (2) scroll forward in the menu, increase value; „▲” – (3) scroll backwards in the menu, decrease value; „...
boiler’s temperature, more heating sections switch off. When both temperatures are equalized, the required power for keeping the necessary temperature is provided. 3.3.6 WEEK PROGRAMMER. It defines time intervals of boiler operation and time out according to a set program. It can work at any type of regulation. 3.4 Protection and blockings 3.4.1 PROTECTION “Overheating”.
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In this case, it is recommended that thermostat valves should be mounted in all rooms for individual regulation of indoor temperature in each one of them. The boiler water temperature is set up manually by the user and it does not depend on the outdoor temperature, but the thermostat valves affect the boiler regulator and the electric power through metering the consumed heating power.
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25С [С] 18С 15С 15С с сset t [s] Tkmax kmax 20С t [s] Fig.3 3.5.3 With equi thermal regulation and built-in week programmer In this case the system control operates without a room thermo regulator. The setting of boiler water temperature is adjusted according to the outdoor temperature sensor. +20°С, By lowering the outdoor temperature within a range of below the set...
3.6 Programming and settings After applying power, the controller sets in a mode AUTO or OFF. Wait for motherboard to send data to the display. In case of problem with the connection, “no con” will appear on the display within a few seconds. Disconnected indication from motherboard is possible and the system will continue operating without it.
Locking the access to menu The menu can be locked in order to prevent any unintentional change in settings. This happens through simultaneous press and hold for 3 seconds of buttons „▲” and „▼”. After releasing the buttons, icon appears on the display, which means activated protection.
4.4. Parameters and settings PARAMETERS AND SETTINGS Factory Users’ settings Symbol Description Range pre-sets Max. water temperature in the boiler body 40 ÷ 130° С 90° С Type of regulation : EqL – equithermal rtr – room thermoregulatory uSr - manual Lower temperature limit at equithermal regulation -20°...
5. OPERATION MANUAL - The user of electrical boiler/module provides water and electricity supply to the installation. - Watches for air tightness and controls the working pressure in the system. - Adjusts boiler or room temperature, depending on the operating principle of the installation and personal preferences.
ELECTRIC BOILER MXL – N 37 - 60 KW Method of connecting the system with a solid fuel boiler INPUT OUTPUT G1” G1” Fig.7 1.Back 8. Water container 2. Safety valve 2,5 bar 10. Heaters 3. Level sensor 11. Circulation pump 4.
Power supply cables and automatic breakers Р [kW] Cross section [mm [ A] heater breaker 8,33 5 x 2,5 11,11 5 x 2,5 13,89 5 x 2,5 16,67 5 x 4 20,83 5 x 4 31,25 5 x 6 41,67 5 x 10 52,08 5 x 10...
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