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KLSC20-KLSC25-KLSC32-IM-DE-W-UK-08-2021-Rev.0 | Part no. 10084836

EN

ENGLISH

7.2 Installation

Before installing the unit and starting it for the first time, 
check all screw fittings and retighten if necessary!

Tightening torque:

KSLC20

KLSC25

KLSC32

3/4"

35 Nm

35 Nm

35 Nm

1"

55 Nm

55 Nm

55 Nm

11/4"

-

90 Nm

90 Nm

11/2"

-

130 Nm

130 Nm

2"

-

-

190 Nm

Requirements

•  The fittings are preassembled at the factory; however, the 

tightness of the seal is to be checked before commissioning 
(pressure test).

•  Observe Fig. 7-1 on page 8 and Fig. 7-2 on page 8 

when mounting the unit.

1.  Remove the boiler charging unit (A) front cover.

A

C

B

Fig. 7-3: Removing the front and central covers

2.  Mark the drilling points for mounting the boiler charging 

unit.

3.  Drill holes for the relevant size screws and wall plugs.
4.  Insert the wall plug (1 x for KLSC20 and 2 x for KLSC25 / 

KLSC32).

5.  For KLSC20 only.

 Screw the dowel screw into the wall 

plug leaving at least 50 mm protruding. 

6.  Locate the boiler charging unit vertically on the wall.

7.  For KLSC25 and KLSC32 only.

 Fix 2 screws into the wall 

plugs.

8.  Remove the thermometer handles (B) and the intermediate 

insulation (C).

9.  Connect the supply and return lines and check all screw 

connections are tight.

7.3  Starting the unit

Requirements

•  The boiler charging unit is fully assembled.

Connection of the power supply

1.  Connect the power supply (see separate pump 

documentation).

 

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The boiler charging unit automatically switches itself on 
when the power supply is connected.

2.  Vent the heating system. 

NOTICE

The boiler charging unit must be switched off

during the venting process.

3.  Fit intermediate insulation (C) and thermometer handles.
4.  Fit the boiler charging unit front cover.

Controller and actuator adjustment

Setpoint temperature is preset to 60 °C.

 

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Further information on the controller and actuator can 
be found in the accompanying instructions.

7.4  Thermometer handle settings

A

B

C

Fig. 7-4: Thermometer handle settings

A

Operating position: gravity brake ready to work; ball valve 

open.

B

Drain: gravity brake open; ball valve half open (only 

included in the return line).

C

Service position: ball valve closed.

Содержание KLSC Series

Страница 1: ...5 and DN32 boiler charging units with electronic fixed point control for systems with solid fuel boilers Installation and operating manual translated from the original operating manual WattsWater eu K...

Страница 2: ...orms to the 2006 42 EC machinery directive 1 3 Product features Stable wall bracket with fixings 3 part patented EPP insulation shell Compact space saving design Contents 1 General information 2 1 1 I...

Страница 3: ...ful substances The boiler charging unit is fully pre assembled and is designed for wall mounting The boiler charging unit is not intended for use by persons including children with reduced physical se...

Страница 4: ...Boiler top 1 M flat sealing 1 2 M flat sealing 2 M flat sealing Tank bottom 1 M flat sealing 11 2 M flat sealing 11 2 M flat sealing 2 x screw fitting top connection 1 1 2 union nut x 1 F 2 union nut...

Страница 5: ...DE W UK 08 2021 Rev 0 Part no 10084836 EN ENGLISH 4 Pressure loss diagram 1 10 100 1 000 100 1 000 10 000 100 000 Pressure loss mbar Volume flow rate l h KLSC20 KLSC25 KLSC32 Fig 4 1 Pressure loss dia...

Страница 6: ...5 14 343 5 65 Rp1 Rp1 65 65 G1 G1 G1 G1 G1 G1 90 71 71 10 293 7 G1 G1 300 125 12 5 15 342 5 310 370 232 G1 G1 125 300 370 240 5 240 5 217 12 5 14 343 5 65 Rp1 Rp1 65 65 G1 G1 G1 G1 G1 G1 90 71 71 10...

Страница 7: ...6 2 KLSC25 and KLSC32 construction 1 Ball valve with gravity brake1 return 2 Ball valve supply 3 Circulation pump 4 Actuator including regulator 5 3 way mixing valve 6 Bypass pipe 7 Wall bracket 8 Sen...

Страница 8: ...ng unit may only be installed and commissioned by specialist personnel who have been duly trained and authorised by the manufacturer CAUTION When carrying out repairs and replacing parts the prescribe...

Страница 9: ...charging unit vertically on the wall 7 For KLSC25 and KLSC32 only Fix 2 screws into the wall plugs 8 Remove the thermometer handles B and the intermediate insulation C 9 Connect the supply and return...

Страница 10: ...s now on the right hand side 5 Loosen the connection to the ball valve rotate the return line and then tighten the connection to the ball valve again 6 Remove the end cap from the 3 way mixing valve a...

Страница 11: ...e thermowell and the end cap 3 Rotate the pump and the return ball valve by 180 degrees 4 Loosen the nut on the supply ball valve and rotate by 180 degrees Remove the actuator from the 3 way mixing va...

Страница 12: ...a firm seating and retighten if necessary Remove all tools materials and other equipment used from the work area Bleed the system 8 2 Replacing wear parts Note that the boiler charging unit has parts...

Страница 13: ...lve by turning the thermometer handle B 5 Reconnect the power supply to the boiler charging unit 6 Remove the thermometer handles B 7 Fit the intermediate insulation C thermometer handles B and front...

Страница 14: ...e may be asserted within one 1 year of delivery transfer of risk Excluded from the warranty are damages attributable to normal use of the product or wear and damages resulting from modifications or no...

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