IMPORTANT: Insulate all external condensate pipe work or run in 32mm pipe work to prevent freezing.

PIPEWORK CONNECTIONS

H - Flue manifold condensate outlet

J- Condensate outlet (21.5mmØ) - supplied K - Condensate pipe - not supplied

L- Condensate trap with clamp - supplied M - Pressure relief (15mmØ)

CONDENSATE CONNECTION:

 

The condensate trap (L) must be installed

 

onto the bracket supplied.

 

Measure condensate pipe (J) mark and cut

 

square to length required.

 

Fit sealing washer inside condensate pipe

 

nut and connect to the flue manifold outlet (H).

 

Connect 21.5mm polypropylene pipe (K) (not

 

supplied) to the condensate pipe (J)

 

and condensate trap (L) before terminating

 

to waste.

 

Secure the condensate trap (L) with clamp

 

supplied.

 

Ensure that the condensate pipe runs away

 

from the boiler at a constant fall of 50mm

 

(min.) for every metre.

 

Carefully pour 500ml of water into the

 

condensate collection (R) to fill condensate trap.

 

Check the water is running away and the

 

condensate pipework joints are water tight.

 

Check the flue manifold seal is undamaged

INSTALLATION

correctly filled to prevent the possibility of

and seated correctly.

 

Refit flue manifold access cover (Q) and

 

secure with screws (P).

 

IMPORTANT: The condensate trap must be

 

potentially harmful flue products escaping

 

via the condensate pipework.

 

 

 

PRESSURE RELIEF CONNECTION:

 

Connect the pressure relief pipe (M) to a

 

copper discharge pipe (15mmØ min.) and

 

terminate externally to the appliance casing.

 

Blank all unused casing holes with the bungs

 

or cover plates and seals supplied. The

 

drain/fire valve capillary hole covers should

 

be rotated so that the unused capillary slot is

 

covered by the cover plate and seal.

 

Refit rear panel.

 

Seal all joints where pipes pass through the

 

casing, with suitable waterproof sealant.

 

24

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

PIPEWORK CONNECTIONS

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Bosch Appliances 25/32kW, 18/25, 12/18 instruction manual Condensate Connection, Pressure Relief Connection
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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.
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