Bosch Greenstar Ri Compact Instruction Manual download pdf (Page 18)

Glossary

Greenstar Ri Compact

ErP

- 6 720 813 339 (2014/09)

12 Glossary

Central heating systems

All radiators must be heated at an even rate. If the top of a radiator is at a lower temperature than the bottom then it should be bled

by releasing air through the bleed screw at the top of the radiator.

Ask your installer to show you how this is done.

If this boiler is fitted to a sealed system and water leaks are found or if excessive bleeding is required, then a service engineer must

be contacted to inspect the installation and rectify any fault.

Only additives that are compatible with aluminium may be used in the system. Any incompatible additive used will invalidate the

warranty.

Pluming and condensate drain

This is a condensing boiler and the flue terminal will, at times give out a plume of water vapour. This is quite normal.

The boiler produces condensate which is discharged regularly by a syphon within the boiler via a plastic pipe to a drain. This pipe

must not be blocked or altered in any way.

Room thermostat / programmer

A room thermostat / programmer must be fitted to control the central heating. This controls the times and temperatures of the

central heating, preventing the boiler from firing unnecessarily. Refer to the instructions supplied with the thermostat and

programmer for further information.

Thermostatic radiator valves

Thermostatic radiator valves must be fitted in sleeping accommodation. It is recommended that this type of valve is fitted to all but

one of the radiators. The remaining radiator, where the room thermostat is located, must be uncontrolled and left open.

Pump over run function

After the boiler has finished a demand for central heating or hot water, the pump may continue to run for a short while to dissipate

the heat from within the boiler.

Pump anti-seizure

If there has been no heating demand for 24 hours the boiler will run the system pump for a few seconds to reduce the possibility of

pump seizure during long periods of inactivity.

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Bosch Greenstar Ri Compact Instruction Manual Page 18