Green Ecotherm ELTHERM Series Instruction Manual

[Page 1] green ecotherm ELTHERM Series

Instruction manual for installation and operation of of hot water electric boiler of series : ELTHERM, ELTHERM M, ELTHERM MM www.greenecotherm.eu ...

[Page 2] green ecotherm ELTHERM Series

p. 2/37 Thank You for buying our product – hot water flow electric boiler of series „ELTHERM”. This manual will help you to use and maintain the unit properly. According to Decree No 187/21.09.2000 this product is subject to superv...

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p. 3/37 Table of contents Page 1. Hot water electric boiler of series “ELTHERM” – general description and advantages................................................................................................................ 5 2. ...

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p. 4/37 5.2.4. Operating of the hot water electric boiler of series “ELTHERM” in direct heating systems.................................................................................25 5.2.5. Operating of the hot water electric boiler of s...

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p. 5/37 1. Hot water electric boiler of series “ELTHERM” – general description and advantages The hot-water electric boiler of series “ELTHERM” is a modern, ecological source of heat, designed for floor and central heating of small...

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p. 6/37 The unit is equipped with • adjustable thermal capacity operating module, which controls the functions of the unit and is adjustable to the specific needs of a heating system; • electric heaters, which work in parallel. The number...

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p. 7/37 2. Hot water electric boiler of series “ELTHERM ” – technical data 2.1. General information for the type of the electric hot water boiler of series “ELTHERM” are given in Table 2.1; 2.2. Thermal and technical data of hot...

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p. 8/37 Parameter Dimension Value Model of hot water electric boiler model “ELTHERM” - 4, 4M, 4MM 6, 6M, 6MM 8, 8M, 8MM 10, 10M, 10MM Thermal capacity of the boiler kW 4 6 8 10 first stage 4 4 6 6 Thermal stages , kW s...

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p. 9/37 Parameter Dimension Value Model of hot water electric boiler model “ELTHERM” - 12, 12M, 12MM 14, 14M, 14MM 16, 16M, 16MM 18, 18M, 18MM Thermal capacity of the boiler kW 12 14 16 18 first stage 6 6 6 6 second sta...

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p. 10/37 3. Description of the construction of hot water electric boiler of series “ELTHERM” 3.1. Main properties The hot water electric boiler of series “ELTHERM” consists of the following elements/modules: • heat exchanger,...

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p. 11/37 Figure 3.2. View of the of the electric hot water boiler of series “ELTHERM” with expansion vessel; ...

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p. 12/37 Figure 3.3. View of the main modules of the electric hot water boiler of series “ELTHERM” (the unit show is particularly with installed expansion vessel); NOTE : the supplied circulating water filter should be installe...

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p. 13/37 Figure 3.4. Front view of the of the electric hot water boiler of series “ELTHERM” with expansion vessel with overall dimensions; Figure 3.5. Side view (left figure) and top view (right figure)of the of the electric ...

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p. 14/37 3.2. Detailed description of the hot water electric boilers of series “ELTHERM” The electric boiler consists of a boiler body, control panel, a circulating pump, filter and control-measuring element (additionally the model “...

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p. 15/37 4. Installation of hot water electric boiler of series “ELTHERM” Requirements and recommendations. 4.1. Some basic requirements for correct installation of electric hot water boiler of series “ELTHERM” are : • The bo...

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p. 16/37 4.2. Basic requirements for the properties of the circulating water of the heating system: The circulating water must comply with the following requirements: Parameter Limit value Dimension oxygen contents < 50 μg/kg general...

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p. 17/37 boiler will prevent oxidation process of the metal surfaces, corrosion and system failures. 4.3. Installation of the hot water electric boiler The installation process of the hot water electric boiler of series “ELTHERM” should...

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p. 18/37 4.2. Procedure for installation of the hot water electric boiler of series “ELTHERM” of the heating system After the hot water electric boiler of series “ELTHERM” has been positioned, it should be connected to the heating system...

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p. 19/37 1 2 3 4 Figure 4.1. Recommended principal hydraulic scheme for connecting the hot water electric boiler of series “ELTHERM” to a local heating system. 1 2 3 5 Figure 4.2. Recommended principal hydraulic scheme for connecti...

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p. 20/37 Figure 4.3. Recommended principal hydraulic scheme for connecting the hot water electric boiler of series “ELTHERM” to a heating system and heat accumulator tanks. ATTENTION: The finalization of the system installation and pe...

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p. 21/37 The hot water boiler of series “ELTHERM” is powered by switching on its automatic fuse. Set the operating thermostat of the boiler to high temperature in order to allow operation of the boiler. Check the connection and the operation...

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p. 22/37 5. System starting procedures. ATTENTION: the hot water electric boiler of series “ELTHERM” should be installed and commissioned by trained, authorized and certified company only. 5.1. Basic requirements. • The boiler as we...

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p. 23/37 5.2.1. Interface control board of hot water electric boiler of series “ELTHERM” Figure 5.1. Interface control board, equipped with control and operating devices of hot water electric boiler o...

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p. 24/37 of the boiler. In case of activation, cool down the unit and check and repair the reason for the emergency situation, finally reset the emergency thermostat; • “Thermal stage switch” – used to turn ON and OFF the electric heater...

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p. 25/37 When the boiler is switched on, its electrical heaters are switched on, as well as the circulating pump. The number of the powered electric heaters depends on the adjustment of the power stages of the thermal capacity of the unit. The bo...

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p. 26/37 5.2.5. Operating of the hot water electric boiler of series “ELTHERM” in accumulating heating systems The electric hot water boiler is directly connected to the heat accumulator tank. The operation of the boiler is controlled by ...

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p. 27/37 5.3.1. Operating parameters for adjustment of the hot water electric boiler of series “ELTHERM” The temperature of the circulating water in the heat exchanger of electric hot water boiler of series “ELTHERM” is controlled by i...

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p. 28/37 5.4. Control of the thermal capacity of the heating system. The control of the thermal capacity of the heating system is performed by adjustment of the thermal capacity of the electric hot water boiler of series “ELTHERM”. 5.4....

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p. 29/37 into automatic preventive regimes in order to protect the boiler and the heating system. These regimes are operated by appropriate automatic preventive measures as well as the interface board indicates alarm mode. Please refer to the use...

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p. 30/37 5.8. Safety and unexpected risks Risks could arise at the exploitation of the system: The hot water boiler of series “ELTHERM” is designed and produced according to the safety requirements of the operating European standards and n...

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p. 31/37 temperature of the remote room thermostat set-point of the room thermostat High set-point temperature of the boiler’s operating thermostat It is necessary to decrease the set-point of the boiler’s operating thermostat (it is ...

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p. 32/37 The rotor of the boiler’s circulating pump has been blocked, due to rust contaminants in the circulating water Power off the boiler, then remove the cover and unscrew the pump’s tap, manually move the rotor and screw back the ...

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p. 33/37 6. Electrical scheme of hot water electric boiler of series “ELTHERM”. Figure 6.1. shows the principal electrical scheme of the control board of the hot water electric boiler of series „ELTHERM”. The Figure 6.2. shows the ...

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p. 34/37 Q1 - main power supply switch; S1, S2 - switches I and II stage SA1 – low pressure limit switch; HL1 - signal light – “POWER”; SA2 - room thermostat; HL2 - signal light – “ALARM”; SA3 - emergency thermostat; HL3 - ...