Vaillant thermocompact vu 242/1 e User Manual

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Vaillant thermocompact vu 242/1 e Specifications

General

Boiler Type	Combi
Fuel Type	Natural Gas
Max. Heat Output (kW)	24
Max. Water Temperature	85°C
Ignition	Electronic
Type	Wall mounted

Summary

2. Boiler Specification

2.1 Technical Data

Table detailing technical specifications for various boiler models.

3. General Requirements

3.2 Boiler location

Guidelines and requirements for selecting the optimal boiler installation location.

3.3 Gas supply

Essential requirements and checks for the boiler's gas supply.

3.4 Flue system

Information and specifications for the standard boiler flue system.

3.4.1 Flue Termination

Critical rules and minimum distances for flue termination positioning.

3.6 Electricity supply

Safety requirements and specifications for the electrical supply connection.

4. Boiler installation sequence

4.1 General

General guidelines and considerations for boiler installation placement.

4.3 Preparation of boiler location

Steps and checks required to prepare the boiler's installation location.

4.3.1 Select position of boiler

Guidance on how to select the correct and safe position for the boiler.

4.3.2 Using the boiler template

Instructions on how to use the provided template for accurate marking.

4.5 Mounting the boiler

Step-by-step instructions for securely mounting the boiler.

4.7 Electrical installation

Requirements and safety procedures for electrical installation.

4.7.1 General electrical requirements

General safety and technical requirements for electrical work.

4.7.2 Connecting to mains supply

Procedure for connecting the boiler safely to the mains electrical supply.

5. Commissioning

5.1 Preliminary electrical checks

Essential electrical checks before initial boiler operation.

5.2 Gas supply

Procedures for inspecting and testing the gas supply.

5.3 Filling the heating system

Step-by-step guide for filling the central heating system.

5.5 Initial lighting

Detailed procedure for the initial lighting of the boiler.

5.6 Gas inlet working pressure

5.7 Main burner pressure

5.8 Adjusting central heating output (range rating)

5.9 Functional Checks

5.10 Checking flame supervision device

6. Servicing

6.1 Initial inspection

6.2 Routine maintenance

7. Parts replacement

7.1.1 Turning off the boiler (fig. 48)

7.1.2 Releasing system water pressure and draining the boiler (fig. 48)

7.2 Replacement of fan (fig. 53)

7.3 Replacement of air pressure switch (fig. 54)

7.4 Replacement of burner

7.5 Replacement of electrodes

7.6 Replacement of NTC temperature sensor

7.7 Replacement of gas valve

7.9 Replacement of expansion vessel

7.10 Replacement of transformer

7.11 Replacement of overheat thermostat

7.12 Replacement of pump

7.13 Replacement of automatic air release

7.14 Replacement of automatic bypass

7.15 Replacement of pressure and temperature gauge

7.16 Replacement of differential pressure switch

8. Fault finding

8.1.1 Indicators

8.1.2 Logical fault finding procedure

8.2 Logical fault finding procedure

8.2.1 Preliminary Checks

9. Electrical diagrams

9.1 Functional Flow diagram: THERMOcompact VU 142/1 E, 182/1 E, 242/1 E, 282/1 E

Functional flow diagram illustrating the boiler's operational logic.

9.2 Wiring diagram: THERMOcompact VU 142/1 E, 182/1 E, 242/1 E, 282/1 E

Detailed wiring diagram for the boiler's electrical components.

9.3 Schematic appliance circuit diagram: VU 142/1 E, 182/1 E, 242/1 E, 282/1 E

Schematic circuit diagram of the entire appliance.