1

2

3

COMMISSIONING

4

max

max

flue

boiler

reset

reset

C

max

max

flue

boiler

reset

reset

max

max

flue

boiler

reset

reset

on

service

lockout

GREENSTAR HEATSLAVE EXTERNAL

on

service

lockout

GREENSTAR HEATSLAVE EXTERNAL

on

service

lockout

GREENSTAR HEATSLAVE EXTERNAL

STARTING THE APPLIANCE

Domestic hot water:

1Set the CH/DHW programmer to OFF. Fully open a hot water tap.

The burner should be OFF and the circulating pump ON.

2Close the hot water tap.

Set the DHW thermostat control (C) to minimum as shown.

Set the programmer to DHW ON.

The burner should be ON with the circulating pump to heat the water in the Heatslave external tank.

When minimum set temperature is reached the burner and circulating pump will switch off.

3Fully open a hot water tap.

The burner should be ON with the circulating pump.

Check the water flow rate using a suitable measuring container;

12/18KW 15 litres/min 18/25kW 18 litres/min* 25/32kW 22 litres/min*

*Manually regulate using the water main inlet isolating valve on the boiler.

4Fully close the hot water tap.

Check the burner and circulating pump** switch off.

**The high limit thermostat may activate pump overrun until the correct temperature is restored.

33

STARTING THE APPLIANCE

INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR HEATSLAVE EXTERNAL 12/18-18/25-25/32 8 716 113 389b (09/07)

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Image 34
Bosch Appliances 25/32kW, 18/25, 12/18 instruction manual Burner should be OFF and the circulating pump on

25/32kW, 12/18, 18/25 specifications

Bosch Appliances has carved out a reputation for engineering high-performance heating solutions, particularly with their range of heating systems including the 18/25, 12/18, and 25/32 kW models. These systems are designed to meet the diverse needs of residential and commercial spaces while maintaining energy efficiency and sustainability.

The Bosch 18/25 kW model excels in providing an optimal heating solution for medium to large residential properties. It is equipped with a highly efficient condensing boiler that extracts additional heat from flue gases, achieving significant energy savings. The built-in, user-friendly interface allows for easy programming and monitoring, which maximizes user convenience.

The 12/18 kW model provides a versatile opportunity for smaller homes or apartments. Its compact design ensures that it fits seamlessly into tighter spaces without sacrificing performance. The unit operates quietly, making it an excellent choice for residential areas where noise can be a concern. Additionally, it features the latest modulation technology, optimizing energy usage and maintaining consistent temperatures.

Finally, the 25/32 kW model is ideal for larger installations, offering robust performance even in high-demand scenarios. This model benefits from advanced heating management systems that enable intelligent control of heating zones, ensuring efficiency and comfort throughout the property. With its enhanced energy rating, the 25/32 kW model significantly reduces the carbon footprint, aligning with modern sustainability goals.

Across the board, Bosch Appliances integrates advanced technologies such as intelligent diagnostics, smart home compatibility, and eco-friendly materials. All models are constructed with durability in mind, featuring corrosion-resistant heat exchangers and high-quality components designed for longevity.

The customer-focused features, including comprehensive warranty packages and responsive customer service, further exemplify Bosch's commitment to quality. Overall, Bosch Appliances 18/25, 12/18, and 25/32 kW heating systems stand out for their innovative technology, efficient performance, and reliability, making them an excellent choice for those looking to upgrade their heating solutions.