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Table of Contents
Summary of Contents for Watts KLSC Series
- Page 1 KLSC Series DN 20, DN 25 and DN 32 boiler charging units with electronic fixed point control for systems with solid fuel boilers Installation and operating manual (translated from the original operating manual) KLSC20 KLSC25 / KLSC32 WattsWater.eu...
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Page 2: Table Of Contents
ENGLISH Contents 1 General information 1 General information ........2 1.1 Important notes about the Installation and Operating Manual 1.1 Important notes about the Installation and Operating Manual ..2 NOTICE 1.2 Product conformity ............2 The operator is responsible for ensuring adherence to the local laws and regulations (e.g. -
Page 3: Safety
ENGLISH 2 Safety 2.4 Foreseeable misuse The following is regarded as foreseeable misuse: 2.1 Safety notices • operating the boiler charging unit contrary to the specifications; DANGER DANGER indicates an imminent danger that • using the boiler charging unit for use other than its intended may cause serious physical injury or death if the appropriate use;... -
Page 4: Technical Features
ENGLISH 3 Technical features Hydraulic data KSLC20 KLSC25 KLSC32 Max. operating pressure 6 bar 6 bar 6 bar Ambient temperature -2 °C to +40 °C (observe pump specifications) Operating temperature +2 °C to +90 ° (observe pump specifications) Gravity brake opening pressure 10 mbar 10 mbar 10 mbar... -
Page 5: Pressure Loss Diagram
ENGLISH 4 Pressure loss diagram 1.000 100.000 1.000 10.000 Volume flow rate [l/h] KLSC20 KLSC25 KLSC32 Fig. 4-1: Pressure loss diagram KLSC20, KLSC25, KLSC32 KLSC20-KLSC25-KLSC32-IM-DE-W-UK-08-2021-Rev.0 | Part no. 10084836... -
Page 6: Dimensions
ENGLISH 5 Dimensions G1" G1" G1" G1" G1" G1" G1" G1" G1" G1" Fig. 5-1: KLSC20 dimensions Rp1" Rp1" G1" G1" Rp1" Rp1" Rp1" Rp1" 240,5 G1½" G1½" 240,5 G1½" G1½" 240,5 G1½" G1½" G1¼" G1¼" Fig. 5-2: KLSC25 dimensions G1¼"... -
Page 7: Component Overview
ENGLISH 6 Component overview Fig. 6-1: KLSC20 construction Fig. 6-2: KLSC25 and KLSC32 construction Ball valve with gravity brake (return) Tank return Ball valve (supply) Boiler return Circulation pump Boiler supply Actuator including regulator Tank supply 1) Gravity brake (see 7.4 on page 9) 3-way mixing valve Bypass pipe Wall bracket... -
Page 8: Installation And Commissioning
ENGLISH 7 Installation and commissioning 7.1 Installation diagram DANGER Electricity! Risk of death from electric shock! h Work on live parts must be carried out only by trained electricians. h Disconnect the power supply to the unit before carrying out any installation, maintenance, cleaning or repair work and secure it against reconnection. -
Page 9: Installation
ENGLISH 7.2 Installation 7.3 Starting the unit Before installing the unit and starting it for the first time, Requirements check all screw fittings and retighten if necessary! • The boiler charging unit is fully assembled. Tightening torque: Connection of the power supply 1. -
Page 10: Switching The Klsc20 Supply And Return Lines
ENGLISH 7.5 Switching the KLSC20 supply and return 5. Loosen the connection to the ball valve, rotate the return line and then tighten the connection to the ball valve again. lines 6. Remove the end cap from the 3-way mixing valve and then Initial setup: use it to close off the opposite side. -
Page 11: Switching The Klss25 And Klsc32 Supply And Return Lines
ENGLISH 7.6 Switching the KLSS25 and KLSC32 The supply is now on the right-hand side. 6. Reset the regulating insert (spindle) and fit the actuator supply and return lines (see 8.8 on page 13). Initial setup: 9 Observe the separate operating instructions for the the supply is on the left-hand side. -
Page 12: Maintenance
ENGLISH 8 Maintenance 8.3 Removing the circulation pump 1. Disconnect the power supply and secure against reconnection. DANGER Electricity! 2. Remove the boiler charging unit (A) front cover. Risk of death from electric shock! 3. Close the shut-off valves. h Maintenance work on the boiler charging unit may only be 4. -
Page 13: Removing The 3-Way Mixing Valve
ENGLISH 8.5 Removing the 3-way mixing valve 8.7 3-way mixing valve actuator settings for KLSC20 1. Disconnect the power supply and secure against reconnection. NOTICE When reinstalling the actuator, make sure 2. Remove the boiler charging unit (A) front cover. the bearing shaft is in the correct position. -
Page 14: Disposal
The descriptions and photographs contained in this product specification sheet are supplied by way of information only and are not binding. Watts Industries reserves the right to carry out any technical and design improvements to its products without prior notice.