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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.
