1 Safety experience and knowledge if they have been given supervi- 1.1 Intended use sion or instruction concerning The product is intended as a use of the product in a safe way heat generator for sealed heat- and understand the hazards in- ing installations and for do- volved.
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▶ Do not use any electrical ▶ Do not damage or remove switches, mains plugs, door- any tamper-proof seals on bells, telephones or other components. ▶ Do not make any changes: communication systems in the building. – The product itself ▶...
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▶ Only fill the heating installa- tion with suitable heating wa- ter and, in cases of doubt, ask a competent person about this. 0020313974_00 Compact Operating instructions...
▶ Store these instructions and all other applicable documents for further use. Glow-worm is a licensed member of the Benchmark Scheme which aims to im- These instructions apply for the following prove the standards of installation and products only:...
4.3 Data plate Control Operation element The data plate is mounted on the rear of – Switch the product on/off the electronics box and on the upper side – Activate/deactivate standby of the product at the factory. mode – Go back one level 4.4 Serial number You can find the serial number on the data –...
– oF indicates that heating mode is for longer than two minutes. The display either shows the target flow temperature switched off. ▶ (if no control is connected) or the message If oF is shown in the display, press the on and/or oF (if a control is connected).
◁ The target domestic hot water tem- Note perature is displayed. If the heating installation ex- tends over several storeys, a Condition: Control connected higher filling pressure may be ▶ Switch off heating mode on the control required for the heating install- (→...
7.1 Eliminating faults Note A purging key can be used for – If one or more faults occur, the basic the purging. display switches between the active fault code(s) and the target heating flow 7. Check the system pressure after pur- temperature.
For contact details for our customer ser- vice department, you can write to the ad- dress that is provided on the back page, or 10 Recycling and disposal you can visit www.glow-worm.co.uk. ▶ The competent person who installed your product is responsible for the dis- posal of the packaging.
Appendix A Eliminating faults Code/meaning Possible cause Measure F.22 Water deficiency in 1. Check the filling pressure of the heating the heating installation installation. (→ Page 9) System pressure too 2. Fill the heating installation. (→ Page 9) F.28 After three unsuc- 1.
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