LTC261/LTC271, Internal thread
LTC261/LTC271, Internal thread

Load unit

LTC200

The series LTC200 is a load unit with integrated high efficiency pump. The load unit makes sure that the boiler gets up to a high combustion temperature so as to ensure the lowest possible emissions. Above all, the load unit make sure that the return temperature to the boiler is kept high and guaranteed over the entire combustion cycle which enables a higher level of boiler efficiency, reduced tarring and increased life span of the boiler. The high efficiency pump included in the load unit fulfills the new EU directive on energy related products. This directive defines the standardized requirements for energy efficiency and maximizes the EEI (Energy Efficiency Index) to 0.23.
  • Accurate control of the return water temperature.
  • Fully adjustable pump speed to optimize the storage tank loading.
  • High efficiency pump according to the new ErP directive.
  • Integrated venting function.

Product range

LTC200 front_A-01
LTC200 side_A-01
Series LTC261, Internal thread with electronic 6 m pump
Art.no.ReferenceDNConnectionPower* kW* The following recommendations apply only for this product. For the overall system requirements, restrictions in the possible power output can occur.Power* (max. ∆t) °C* The following recommendations apply only for this product. For the overall system requirements, restrictions in the possible power output can occur.Opening temperatureA mmB mmC mmD mmWeight kgNTCNTC = National Trade Code
55004000LTC26125G 1"953555°C ± 5°C207502091104.40 
55004100LTC26125G 1"803060°C ± 5°C207502091104.40 
55004200LTC26125G 1"652565°C ± 5°C207502091104.40 
55004300LTC26125G 1"552070°C ± 5°C207502091104.40 
55004400LTC26132G 1¼“953555°C ± 5°C227502191104.55 
55004500LTC26132G 1¼“803060°C ± 5°C227502191104.55 
55004600LTC26132G 1¼“652565°C ± 5°C227502191104.55 
55004700LTC26132G 1¼“552070°C ± 5°C227502191104.55 
55004800LTC26140G 1½“953555°C ± 5°C241502261104.60 
55004900LTC26140G 1½“803060°C ± 5°C241502261104.60 
55005000LTC26140G 1½“652565°C ± 5°C241502261104.60 
55005100LTC26140G 1½“552070°C ± 5°C241502261104.60 
Series LTC271, Internal thread with electronic 7.5 m pump
Art.no.ReferenceDNConnectionPower* kW* The following recommendations apply only for this product. For the overall system requirements, restrictions in the possible power output can occur.Power* (max. ∆t) °C* The following recommendations apply only for this product. For the overall system requirements, restrictions in the possible power output can occur.Opening temperatureA mmB mmC mmD mmWeight kgNTCNTC = National Trade Code
55007100LTC27140G 1½“1304050°C ± 5°C241502261104.6 
55007200LTC27140G 1½“1153555°C ± 5°C241502261104.6 
55007300LTC27140G 1½“1003060°C ± 5°C241502261104.6 
55007400LTC27140G 1½“802565°C ± 5°C241502261104.6 
55007500LTC27140G 1½“652070°C ± 5°C241502261104.6 
55007600LTC27150G 2“1304050°C ± 5°C246502281106.0 
55007700LTC27150G 2“1153555°C ± 5°C246502281106.0 
55007800LTC27150G 2“1003060°C ± 5°C246502281106.0 
55007900LTC27150G 2“802565°C ± 5°C246502281106.0 
55008000LTC27150G 2“652070°C ± 5°C246502281106.0 

Installation support

Installation examples
LTC100, LTC200
Installation instruction LTC200

Technical data

Suitable application area
Recommended
  • Heating
Technical data
Pressure class: PN6 
Media temperature, max.: +110 °C
min.: 0 °C
Ambient temperature, max.: 60 °C
min.: 0 °C
Leakrate A - AB: max. 0.5% of max. flow (Qmax) 
Leakrate B - AB: max. 3% of max. flow (Qmax) 
Rangeability Kv/Kv min: 100 
Supply voltage: 230 ± 10% VAC, 50 Hz 
Power consumption, LTC261: 3-45 W
LTC271: 3-76 W
Energy classification:
EEI (Energy Efficiency Index): <0.23 
Power supply cable: 0.1 m
Connections, Internal thread (G): ISO 228/1 
Material, Valve body and cover: Nodular iron, EN-JS 1050 
Conformity CE_A-01
LVD 2014/35/EU
EMC 2014/30/EU
RoHS 2011/65/EU
PED 2014/68/EU, article 4.3
ErP2015_A-01
ErP 2009/125/EU
Erp 2015
Flow pattern Mixing_A-01
Dimensioning $name
Dimensioning guide - Please see data sheet
Wiring LTC100_A-01
The pump should be preceded by a multi-pole contact breaker in the fixed installation.

Accessories and spare parts

Options
ImageArt.no.ReferenceDesignationNational trade codeNoteData sheetInstructions manual

VTC951

Thermostat VTC951, 55°C.
57020200VTC951Thermostat 55°C    

VTC951

Thermostat VTC951, 60°C.
57020300VTC951Thermostat 60°C    

VTC951

Thermostat VTC951, 65°C.
57020800VTC951Thermostat 65°C    

VTC951

Thermostat VTC951, 70°C.
57020400VTC951Thermostat 70°C    
Spare parts
ImageArt.no.ReferenceDesignationNational trade codeNoteData sheetInstructions manual

LTC926

ESBE LTC926 Pump Yonos Para / 6 RKA
57061100LTC926Pump Yonos Para / 6 RKA    

LTC926

ESBE LTC926 Pump Yonos Para / RKA7,5
57061200LTC926Pump Yonos Para / RKA7,5    

Download area

Find here direct related product information for download. If you don’t find your specific need here please look further into below mentioned "Quick links" or this website's “Search” and “Support” area.
Data Sheet LTC200
Installation instruction LTC200
Spare Parts Solid fuel products
2D Image LTC200

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