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11 INSPECTION AND SERVICING INSTRUCTIONS
11.1 General
The Remeha Quinta 85 has been designed to need minimum maintenance, but to
ensure optimum efficiency we advise that once a year the boiler should be checked
and if necessary cleaned and reset.
All service and maintenance must be carried out by a qualified Engineer with the
relevant training and certification (ie CORGI - ACOPS - etc.).
11.2 Annual Inspection
The annual inspection (or after 1600 hours run) of the Remeha Quinta 85 as follows:
- Check combustion characteristics,
see Table 16.
- Clean the condensate siphon (refill with clean water).
- Check for leaks (water side, flue gas side and gas soundness).
- Check flue and air inlet system is clear and gas/water tight.
- Check system pressure.
- Check control settings.
- Check ionisation level, minimum 4
µ
A dc (ionisation measurement in Volts between
terminal 4 and earthing, 1V dc
≡
1
µ
A dc)
If ionisation level < 4
µ
A dc or not present, check:
- CO
2
at both part and full flame.
- Is flame core visible?
- Is flame geometry stable?
- Ignition probe earthing.
- Temperature sensors for loss current (humidty on sensors).
- Is analog control (0 - 10 V) volt free?
Visual check of ignition/ionisation probes:
- If white oxydes show, use sand paper or screwdriver for cleaning.
- Check geometry and distance between both probes, i.e. 3 to 4 mm.
- Clean and re-set the ignition electrode.
Note:
If flue gas temperature is more than 30°C above the boiler return water
temperature the heat exchanger must be cleaned
see Par. 11.3.
