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LK Minishunt M60n, Assembly Instructions Manual, Page: 1 / 10

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Table of contents

Design

1

Supplied with product

1

Accessories

1

LK Minishunt M60n, Overview

2

Function and requirements

3

Assembly

3

Installation cabinets 

5

Start up

5

Circulationspump

7

Troubleshooting

9

Technical data

9

Flow chart

9

Dimensions drawing

10

Design

LK Minishunt M60n is a shunt group intended for use 

when smaller underfloor heating areas are to be con-

nected to an existing heating system. LK Minishunt 

M60n adapts the heating system temperature to the 

lower temperature necessary for the underfloor heat-

ing system. Its capacity can normally be set at a heat-

ing need of 50 W/m² to a maximum 60 m² underfloor 

heating area. Capacity is however dependent on pri-
mary temperature, pressure, laying method etc.

• For underfloor heating areas up to 60 m

2

.

• Compact design.
• Energy efficient circulation pump.
• Thermostat-controlled maximum limit of supply 

temperature.

• Switchable between single or twin pipe systems.
• VF valve.
• Easy filling & air bleeding.
• Expandable to 2, 3 or 4 underfloor heating cir-

cuits.

Supplied with product

• Circulation pump Wilo Para RSB 15/6 SC, with 

automatic speed control.

• T

hermostat with capillary tube sensor, length 2 m.

• Thermometer to place in one of the shunt group's 

thermometer pockets.

•  Hose 0.5 m for air bleeding.
• Primary connector ¾" EuroCone and 2 connectors 

for CU15.

• Bracket.

Accessories

• Accessories for the primary connector include 

connectors  for CU12 mm and PEX-/PAL pipes 

dim. 16x2, 20x2 and 20x2.8.

• The LK Elbow Pipes M60n for connecting the 

primary connector when the feed pipe is from 

below or above. The elbow pipes enables compact 

assembly.

• Connection couplings for underfloor heating 

pipes dim. 8, 12, 16 and 20 mm.

• The LK Mini Manifold for 2, 3 or 4 underfloor 

heating circuits.

• Installation cabinets for built-in or wall mounting, 

see heading 

Installation cabinets.

• The LK Heater 350 is an electric comfort heater 

for underfloor heating installations using the  

LK Minishunt M60n. The electric heating car-

tridge output is 350W and is sufficient under 

normal conditions for underfloor heated areas  
up to 12 m².

LK Minishunt M60n circulation pump 

Wilo Para RSB 15/6 SC

EN.33.C.204.2022-02-10

Assembly instructions | LK Minishunt M60n

Summary of Contents for Minishunt M60n

Page 1: ... underfloor heating cir cuits Supplied with product Circulation pump Wilo Para RSB 15 6 SC with automatic speed control Thermostat with capillary tube sensor length 2 m Thermometer to place in one of the shunt group s thermometer pockets Hose 0 5 m for air bleeding Primary connector EuroCone and 2 connectors for CU15 Bracket Accessories Accessories for the primary connector include connectors for ...

Page 2: ...gs for 15 mm CU are supplied LK Minishunt M60n overview 1 The LK Elbow Pipes M60n accessory for connecting the primary connector when the feed pipe is from below or above The elbow pipes enables compact assembly 2 Thermometer pocket to measure the primary supply temperature 3 LK Valve Housing 4 Thermostat with capillary tube connected room sensor length 2 m 5 Supply valve V2 for shutting off adjus...

Page 3: ...U12 mm and PEX PAL pipes dim 16x2 20x2 and 20x2 8 LK Elbow Pipes M60n ac cessory facilitates assembly when the feed pipe is from below or above and needs to be angled into the shunt group The minishunt s underfloor heating connections have females A single underfloor heating circuit is connected using LK Connection Coupling male for pipe dim 8 12 16 or 20 mm directly to the minishunt For more circ...

Page 4: ...and wheel Assembly of LK Actuator Wireless or wired electronic room control for the LK Minishunt M60n are available as accessories The enclosed thermostat is then replaced with an electric LK Actuator and is installed according to the picture sequence 1 Unscrew the hand wheel 2 Remove the hand wheel 3 Remove the adapter using a screw driver 4 Click the adapter that is supplied with actuator into p...

Page 5: ... pres sure in order to air bleed it and remove any im purities The circulation pump should be turned off during this work follow the process described below 1 Close against the primary side using the thermostat valve pos 4 Continue to close the primary side s return by checking that the switch valve from single to twin pipe system pos 18 is screwed in and that the primary return valve V1 pos 15 is...

Page 6: ...ng radiators 4 Set the primary temperature from the hea ting source to the minishunt temporarily to approx 55 C 5 Set the temperature limiter TEMP to pos 12 in accordance with the table below Normal setting is about 45 ºC 6 Set the thermostat valve pos 4 in accord ance with the table below 7 Allow the system to stabilise for about 10 min The feed temperature should now be 35 45 ºC NOTE If the temp...

Page 7: ...enting routine starts after 3 se conds and proceeds for 10 min The venting rou tine is indicated with a fast flashing green diode light After completing venting choose the constant pressure curve that best matches the require ments of the system see capacity chart below If no choice is made the pump operation automati cally switches to constant pressure with max ca pacity See the Quick Guide from ...

Page 8: ...the circulation pump of the primary side can be stepped up EN 33 C 204 2022 02 10 Assembly instructions LK Minishunt M60n p c Constant H m p kPa Q m h Wilos Para 15 6 25 6 30 6 1 230 V Rp Rp 1 Rp 1 p c m ax I II III If this does not rectify the situation the circulation pump of the minishunt can help to draw the water from the primary side to the underfloor heating side by gradually closing clockw...

Page 9: ...t the maximum setting At room temperature approx 20 ºC Kv 0 9 Approved pump CE EC Low Voltage Di rective 2006 95 EC incl additions EN 33 C 204 2022 02 10 Assembly instructions LK Minishunt M60n Flow diagram 2 1 TEMP A 18 12 5 8 4 14 15 B VF V2 V1 2 1 TEMP A 18 12 5 8 4 14 15 B VF V2 V1 A Primary side with main pump B Secondary side underfloor heating system 18 Switching from twin to single pipe sy...

Page 10: ...10 10 Dimensions drawing Right Left EN 33 C 204 2022 02 10 Assembly instructions LK Minishunt M60n LK Systems AB Box 66 161 26 Bromma www lksystems se ...

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