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15 

WEIGHT OF THE BOILERS MODELS 

 

 
 
 
 
 
 
 
 
 
 
 

 
 

 
 

Tab. 5 

 
 

Equipment of the boilers’ models 

 

 
 
 
 
 
 
 
 
 
 
 
 
 

 
 

Tab. 6 

 
 

Note: The manufacturer reserves the right to make construction changing of the 
product. 

 
 

11.01.2021 

Electrical boilers 

Electrical modules 

Model 

Power, kW 

Weight, 

kg 

Model 

Power, 

kW 

Weight, 

kg 

6 MRT 

6  

29.0 

6 T 

6  

22.0  

8 MRT 

8  

8 T 

8  

10 MRT 

10  

10 T 

10  

12 MRT 

12 

12 T 

12 

15 MRT 

15  

29.5  

15 T 

15  

22.5  

18 MRT 

18 

29.5 

15 T 

18 

22.5 

22 MRT 

22  

31.0  

22 T 

22  

24.0  

24 MRT 

24 

33.0 

24 T 

24 

26.0 

30 MRT 

30  

33.0  

30 T 

30 

26.0  

  

MODEL 

EQUIPMENT 

MRT 

Module Т 

Expansion tank 

 

 

 

 

Circulation pump 

 

 

 

 

Safety valve 

 

 

 

 

Blocking (emergency) 
Thermostat 

 

 

 

 

Air bleeder 

 

 

 

 

Mounting brackets 

 

 

 

 

Summary of Contents for 10 MRT

Page 1: ...E WITH THREE STAGE ELECTRONIC CONTROL PASSPORT OF ELECTRIC BOILER WITH THREE STAGE ELECTRONIC CONTROL ECOTERMAL MRT MODULE T 6 8 10 12 15 18 22 24 30 kW Bourgas 8000 47 Slivnitsa Str tel 056 814 681 056 814 215 fax 056 814 584 E mail sales ecotermal bg com www ecotermal com ...

Page 2: ... 8 7 Commissioning 8 8 Conditions of commissioning and undertaking guarantee maintenance 8 9 Diagrams and tables 10 15 9 1 Method of connecting of story local heating Fig 1 10 9 2 Method of connecting the system to a solid fuel boiler Fig 2 10 9 3 Structure of the electric boiler from 6 to 30 kW Fig 3 11 9 4 Structure of the electric module from 6 to 30 kW Fig 4 12 9 5 Control panel Fig 5 13 9 6 T...

Page 3: ...ay occur and the producer shall not be liable thereof In case of failure contact the service organization Unprofessional intervention may damage the boiler For correct functioning safety and long term operation secure prophylactics at least once a year In case of damages incurred by unprofessional assembly as well as upon noncompliance with the regulations and the operation manual the producer is ...

Page 4: ... board which corresponds to the difference between the set and the measured temperature This signal is in the 4 20 mA range Because both the regulators room and boiler are interconnected in cascade system this signal goes as a setpoint at the boiler thermo regulator s input which in turn controls the temperature of the water in the boiler therefore the more the room temperature approaches the set ...

Page 5: ...ple for electric boiler then it is not required to be mounted room thermo regulator In this case jumper J1 which placed on the main board is switched to pos 2 and by trimmer potentiometer W pos 12 the temperature is set In all other cases jumper J1 is placed in pos 1 4 2 TECHNICAL CHARACTERISTICS Power Supply 240V АС Maximum permissible operating current of the power relays 16А 250V The outlet ele...

Page 6: ...ontact external clock for timing of operation of the boiler in a closed contact In case that clock is not used these power wires are short circuit with a bridge X3 is connected to the boiler temperature sensor The sensor is polar you must follow the indicated polarity when connected In a reverse connection does not fail but the temperature is unreal To connect x8 to advanced management another six...

Page 7: ...order not to prevent the normal operation of the programmable thermo regulator The water temperature in the boiler is adjusted manually by the user and doesn t depend on the ambient temperature The thermostatic valves influence the boiler regulator by dosing the consumed heat power and the room temperature influences the duration of the boiler operating time An advantage of this method is the conv...

Page 8: ...startup is possible after performed control on the good working order of the connections to the heating system checkup of the electrical connections and the external line Check up whether the valves and taps of the heating circuit are open check up also the water pressure in the system Switch on the automatic fuse of the electric boiler and preset the desired temperature of the boiler and the indo...

Page 9: ... 5 Banjo fitting connections should be mounted on the boiler intake and the outlet 6 Hydraulic test should be carried out at an index of 1 25 above the operating pressure 7 Upon assembly it is necessary the adjustments of the boiler and the blocking thermostats to be checked up The actual control is done during the warm test 8 The guarantee shall be effective as from the commissioning date but not...

Page 10: ...ff valve 9 Safety valve by pressure 4 Electric heater 10 Solid fuel boiler 5 Electric boiler 11 Expansion vessel 6 Circulation pump 12 Manifold Box Method of connecting of story local heating Fig 2 1 Air bleeder 7 Safety valve 2 Electric heater 8 Shut off valve 3 Electric boiler 9 Manifold Box 4 Expansion vessel 5 Circulation pump 6 Water filter ...

Page 11: ...eaker with additional protection 5 Emergency blocking Thermostat 6 Air Bleeder 7 System control 8 Water Container 10 Heaters 11 Circulation Pump 12 Control Panel 13 Pressure gauge valve 14 Expansion Tank 15 Thermostat Pocket 16 Thermostat bimetallic 17 Pressure switch 9 Pressure gauge ...

Page 12: ... Automatic Breaker with additional protection 5 Emergency blocking Thermostat 6 Air Bleeder 7 System control 8 Water Container 9 Pressure gauge 10 Heaters 12 Control Panel 13 Pressure gauge Valve 15 Thermostat Pocket 16 Thermostat bimetallic 17 Pressure switch ...

Page 13: ...LED Indication of activated emergency thermostat 4 LED Indication of circulation pump condition 5 Button set current temperature 6 Pressure gauge 7 Potentiometer of boiler s temperature 8 LED Indication Second Stage ON 9 LED Indication Third Stage ON MRT MODULE T 6 30 KW Fig 6 ...

Page 14: ... 22 24 30 Commutations level pcs 3 3 3 3 3 Boiler body volume dm3 8 9 8 9 8 9 8 9 8 9 Supply voltage V 240 400 240 400 400 400 400 Maximum operating pressure Bar 2 5 Test pressure Bar 4 0 Regulation of heat medium temperature C 30 90 Room temperature control C 5 30 Connection pipes dimensions G 1 Efficiency index 99 30 Р kW Iheater A Cross section mm2 Ifuse A 6 8 33 5 x 2 5 10 8 11 11 5 x 2 5 16 1...

Page 15: ...modules Model Power kW Weight kg Model Power kW Weight kg 6 MRT 6 29 0 6 T 6 22 0 8 MRT 8 8 T 8 10 MRT 10 10 T 10 12 MRT 12 12 T 12 15 MRT 15 29 5 15 T 15 22 5 18 MRT 18 29 5 15 T 18 22 5 22 MRT 22 31 0 22 T 22 24 0 24 MRT 24 33 0 24 T 24 26 0 30 MRT 30 33 0 30 T 30 26 0 MODEL EQUIPMENT MRT Module Т Expansion tank Circulation pump Safety valve Blocking emergency Thermostat Air bleeder Mounting bra...

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