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LK 815 ThermoKit T

LK 815 ThermoKit T

  • Complete kit
  • Low-energy pump

LK 815 ThermoKit T Eco is a loading group for heating applications with solid fuel boilers and storage tanks. The loading group is intended to ensure a high return temperature as well as an optimal temperature ...

Read more

LK 815 ThermoKit T

  • Variants
  • Detailed Information
  • Documentation
  • Videos

Variants

LK 815 - Grundfos UPML 25-95 - Female thread

LK 815 - Grundfos UPML 25-95 - Female thread 6 variants

Article Return temp. °C Dim. Weight (kg) Item List
181572 45 F 1½" 7.1
181573 50 F 1½" 7.1
181574 55 F 1½" 7.1
181575 60 F 1½" 7.1
181576 65 F 1½" 7.1
181577 70 F 1½" 7.1

181572

Return temp. °C 45
Dim. F 1½"
Weight (kg) 7.1
Item list

181573

Return temp. °C 50
Dim. F 1½"
Weight (kg) 7.1
Item list

181574

Return temp. °C 55
Dim. F 1½"
Weight (kg) 7.1
Item list

181575

Return temp. °C 60
Dim. F 1½"
Weight (kg) 7.1
Item list

181576

Return temp. °C 65
Dim. F 1½"
Weight (kg) 7.1
Item list

181577

Return temp. °C 70
Dim. F 1½"
Weight (kg) 7.1
Item list
LK 815 - Grundfos UPML 25-95 - Female thread

LK 815 - Grundfos UPML 25-95 - Female thread 6 variants

Article Return temp. °C Dim. Weight (kg) Item List
182390 45 F 1¼" 7.1
182391 50 F 1¼" 7.1
182392 55 F 1¼" 7.1
182393 60 F 1¼" 7.1
182394 65 F 1¼" 7.1
182395 70 F 1¼" 7.1

182390

Return temp. °C 45
Dim. F 1¼"
Weight (kg) 7.1
Item list

182391

Return temp. °C 50
Dim. F 1¼"
Weight (kg) 7.1
Item list

182392

Return temp. °C 55
Dim. F 1¼"
Weight (kg) 7.1
Item list

182393

Return temp. °C 60
Dim. F 1¼"
Weight (kg) 7.1
Item list

182394

Return temp. °C 65
Dim. F 1¼"
Weight (kg) 7.1
Item list

182395

Return temp. °C 70
Dim. F 1¼"
Weight (kg) 7.1
Item list

Detailed Information

Description

LK 815 ThermoKit T Eco is a loading group for heating applications with solid fuel boilers and storage tanks. The loading group is intended to ensure a high return temperature as well as an optimal temperature stratification in the storage tank, thus increasing the efficiency of the system. Tarring and condensation are prevented which prolongs boiler life.

LK 815 ThermoKit T Eco consists of a low-energy circulating pump, an LK 823 ThermoVar thermic loading valve with i­nsulation, a check valve, a thermometer for reading return ­temperature and three ball valves to simplify installation and maintenance. The loading group is reversible and can easily be adapted for mounting to the right or left of the boiler. Thanks to the three ball valves any part can be changed without draining the system, if the need for servicing arise.

Thermometers are available as accessory, art. no. 181736.

LK 815 ThermoKit T Eco is installed in the return circuit between the solid fuel boiler and the storage tank. The group should be mounted with the drive-shaft of the circulating pump in a horizontal position.

The loading group normally requires no maintenance. The installation should be checked regularly.

Technical Data

Voltage: 230 VAC 50/60 Hz
Power consumption: 12-140 W depending on pump speed
Max. boiler efficiency: 140 kW at 20 °C ΔT
Max. working pressure: 1.0 MPa (10 bar)
Working temperature: Min. 5 °C/Max. 95 °C
Return temperature: 45 °C, 50 °C, 55 °C, 60 °C, 65 °C or 70 °C
Ambient temperature: Min. 5 °C/Max. 40 °C
Thread standard: Rp - female thread, G - female thread
Media 1: Water - Glycol mixture max. 50%
Circulating pumps: Grundfos UPML 25-95 180
Material, valve body: Brass EN 1982 CB753S
Material, insulation: Expanded Polypropylene EPP

Application

The function of the loading unit during the different phases of heating:

1. Heat up phase
The water circulates between boiler and loading group while the temperature of the boiler is rising.

2. Loading phase
The thermic valve starts to open and allows return water from the storage tank to be mixed with supply water before it returns to the boiler. The return temperature to the boiler is kept constant.

3. End phase
The thermostatic element is fully open. This results in an optimal transfer of heat from the boiler and the storage tank is filled with supply water.

4. Self-circulation
As soon as the fire has gone out and the circulating pump has stopped the remaining hot water in the boiler is loaded to the storage tank as long as the thermic valve remains open. When the boiler has cooled the thermic valve closes. The check valve prevents recirculation from storage tank to boiler.

Technical Diagrams

Boiler Capacity Diagram

Pump Characteristics

Documentation

Product sheet

LK 815 ThermoKit T

Instruction manual

815 ThermoKit T - Instruction_148787

Applications

Biofuel ENG

Videos

LK 815 ThermoKit