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4 (8)

EN.33.C.134.1512

Assembly instructions | LK Minishunt M60

Start up

Air bleeding

Flush through the system with hydraulic pres-
sure in order to air bleed it and remove any 
impurities as follows:

• Close against the primary side using the 

thermostat valve (3). 

• Screw both hex-screw spindles to closed 

position for the valve (2).

• Next, close the return valve (7).
• Assemble the hose connection (8).
• Flush the floor heating side via connection 

(8) and air bleed/drain through (9) until the 

water runs clear.

• Close the ventilation valve (9) and disassem-

ble the hose connection.

• Reset (2) and (3) whereupon the primary side 

can be switched on.

• Air from the primary side can now be bled 

out via air vent (9).

• Open the return valve (7).
• Start the circulation pump and use the 

pump´s automatic venting routine to remove 

accumulated air in the pump. See heading 

Circulation pump

.

Adjustment

As the LK Minishunt M60 is intended for con-

nection to existing heating systems, the availa-

ble drive pressure and flow on the primary side 

are often unknown. Without this information the 

theoretical adjustment values of the minishunt 

cannot be calculated. In this case, adjustment 

should be carried out as described below.

If the available drive pressure and flow on the 

primary side are known, the theoretical adjust-

ment for the minishunt can be calculated, refer 

to the project planning instructions for LK Floor 

Heating.

1.  Carry out air bleeding of the floor heating 

system and the minishunt, as shown above.

Installation cabinets

To conceal the installation there are cabinets av-

ailable to be built-in or mounted on the wall. The 

cabinet fulfils Sweden’s plumbing safety regu-

lations. The cabinets are made of 1 mm powder 

coated steel plate. The cabinet has a rigid base 

complete with pipe entry-holes sealed by rubber 

gaskets. The base of the cabinet is fitted with an 

outlet for leakage indication so that any leakage 

water can be drained.

The cabinet is supplied complete with door and 

frame. The hatch of the cabinet is fitted as stan-

dard with a screwdriver lock. Lock and keys are 

available as accessories. 

LK Minishunt M60 assembled in LK Cabinet M60 WP.

Article no. Denomination

Intended for

241 94 49 LK Cabinet M60 WP LK Minishunt M60
241 94 50 LK Cabinet M60 

WP-XL

LK Minishunt M60 with 

assembled LK Mini 

Manifold or LK Heater

241 94 51 LK External Cabinet 

M60 WP

LK Minishunt M60

241 94 52 LK External Cabinet 

M60 WP-XL

LK Minishunt M60 with 

assembled LK Mini 

Manifold or LK Heater

Summary of Contents for Minishunt M60

Page 1: ...heating areas up to 60 m de pending on heating requirements laying proce dures etc and is connected to an existing heating system The shunt unit consists of an automatic speed controlled circulation pump for the under floor heating circuit a maximum limit function for the feed temperature a return valve for the under floor heating circuit a fill discharge and air bleed valve plus a thermostatic va...

Page 2: ... connection The minishunt s primary connection is provided with a EuroCone thread Pipe connection to the primary side is made using the enclosed fit tings for 15 mm Cu Connectors for Cu 12 mm and to PEX PAL pipes dimension 16x2 20x2 and 20x2 8 mm are available as accessories The secondary connections of the minishunt have female thread The under floor heating pipes are connected for a floor heatin...

Page 3: ...ctric LK Actuator and is installed according to the se quence below Click Assembly of supplied thermostat To install the supplied thermostat with capillary tube connected sensor dismantle the hand actua tor and the black threaded adapter according to the sequence below The capillary tube connected sensor is preferably placed on a interior wall As accessory a thermostat with 5 m capillary tube alte...

Page 4: ...adjustment should be carried out as described below If the available drive pressure and flow on the primary side are known the theoretical adjust ment for the minishunt can be calculated refer to the project planning instructions for LK Floor Heating 1 Carry out air bleeding of the floor heating system and the minishunt as shown above Installation cabinets To conceal the installation there are cab...

Page 5: ...eeds for 10 min The venting routine is indicated with a fast flashing green diode light After completing the venting process the con stant pressure curve that best matches the requirements of the system is chosen See capacity chart below 3 Set the switch 2 for single or twin pipe radiator systems twin pipe radiator sys tem is factory set at delivery For single pipe systems the outer hex screw spin...

Page 6: ... pump s automatic venting routine to remove accumulated air in the pump s rotor chamber The automatic venting routine start after 3 seconds and lasts for 10 minutes Venting routine indicated by a fast flashing green diode light After complete venting choose the constant pressure curve that best matches the re quirements of the system see capacity chart be low If no choice is made the pump operatio...

Page 7: ...y replace the pump Trouble shooting The under floor heating circuit does not get warm Check that the shut off valves for 2 and the return valve 7 are open Check the setting on the maximum limiter valve 6 Check the connection operation and setting of the circulation pump If the above adjustments have been performed and there is still no heat reaching the under floor heating circuit this can be an i...

Page 8: ...2x58m 2x69m 3x54m 3x61m 3x69m 4x58m 4x63m 4x69m 5 Clip Rail 16 c c 160 mm 1x35m 1x70m 1x105m 2x70m 2x88m 3x70m 3x82m 3x93m 4x79m 4x88m 4x96m 6 Clip Rail 20 c c 300 mm 1x19m 1x38m 1x57m 1x76m 2x48m 2x57m 2x67m 2x76m 3x57m 3x63 3x70m 3x76m 7 HeatFloor 22 pipe dim X16 c c 200 mm 1x29m 1x57m 2x43m 2x57m 2x70m 3x57m 3x67m 3x76m 4x64m 4x70m 4x78m 4x85m 8 Floor Joist Plate 16 c c 200 mm 1x29m 1x57m 2x43m...

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