Safety 1 1 Safety or mental capabilities or lack of experience and knowledge if 1.1 Intended use they have been given supervi- The product is intended as a sion or instruction concerning heat generator for sealed heat- use of the product in a safe way ing installations and for do- and understand the hazards in- mestic hot water generation.
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1 Safety ▶ Do not use naked flames (e.g. ▶ Do not tamper with any of the lighters, matches). safety devices. ▶ Do not smoke. ▶ Do not damage or remove ▶ Do not use any electrical any tamper-proof seals on components.
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Safety 1 son drain the heating installa- tion. ▶ Only fill the heating installa- tion with suitable heating wa- ter and, in cases of doubt, ask a competent person about this. 0020289289_02 MicraCom 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:...
Function 5 4.4 Serial number Control Operation element You can find the serial number on the data – Go back one level plate and on the sticker on the upper side of the product. – Calling up the menu The serial number and the product desig- nation can also be found on a sticker un- –...
5 Function ▶ (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). button to switch on heating mode. The basic display (B) shows the current ▶...
Care and maintenance 6 ◁ 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 Troubleshooting Troubleshooting Note ▶ If you have been unable to eliminate A purging key can be used for the fault using the specified measures, the purging. consult a competent person. 7. Check the system pressure after pur- 7.1 Eliminating faults ging.
For contact details for our customer ser- vice department, you can write to the ad- 9 Restarting dress that is provided on the back page, or you can visit www.glow-worm.co.uk. 1. Open the gas stopcock on the product if the gas stopcock is closed. 2. Press ◁...
Appendix Appendix A Eliminating faults Message 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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