Installation manual
Coopra Advanced Heating Technologies Installation manual 40 EN
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4.12. Menu structure……………………………………………………………………………………………………………. 20
CHAPTER 5. TEMPERATURE REGULATIONS……………………………………………………………………….……. 21
5.1. Central heating
5.1.1. Central heating temperature regulation with on/off thermostat without outside temperature sensor
5.1.2. Central heating temperature regulation with on/off thermostat with outside temperature sensor
5.1.3. Central heating temperature regulation with modulating thermostat (Opentherm)……………………. 22
CHAPTER 6. BURNER STATES and MONITORING……………………………………………………………..……….. 23
6.1. Standby
6.2. Pre rinse
6.3. Ignition
6.4. In operation
6.5. Post-rinse………………………………………………………………………………………………………….………… 24
6.6. Lock-out
6.7. Pump test program
6.8. System pressure monitoring
6.9.
6.10. Temperature regulation
6.11. Limiter
6.12. Flue sensor………………………………………………………………………………………………………...……… 25
6.13. Frost protection
6.14. Glow plug protection
CHAPTER 7. MAINTENANCE……………………………………………………………………..………..………………… 26
7.1. ANNUAL MAINTENANCE
7.1.1. Checking the CO
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percentage on full load
7.1.2. Measuring the load on the unit
7.1.3. Checking the condensation water drain
7.1.4. Ionisation probe
7.1.5. Water pressure
CHAPTER 8. MALFUNCTIONS……………………………………………………………………………………………….. 27
8.1. Draining the unit
8.2. No signal on the display
8.3. Fault code 'U/d or U/O' (alternating U with a status code will appear on the display)
8.4. Unit does not respond to central heating heat demand
8.5.
8.6.
8.7. Check function of gas control
8.8. Measuring the fan impedance
8.9. Fitting instructions for the pressure sensor
8.10. Fitting instructions for the safety valve
8.11. Malfunction code 'F' (flashing)............................................................................................................................. 28
8.11.1. Gas control will not open (no voltage)
8.11.2. Gas control will not open (gas inlet pressure too high)
8.11.3. Gas control will not open (coils defective)
8.11.4. Gas/air mixture is not correctly adjusted
8.11.5. Check glow plug
8.11.6. Check ionisation current
8.11.7. Inspection / cleaning / replacement of the ionisation probe
8.11.8. Ionisation probe or ionisation cable makes short circuit with earth
8.11.9. Boiler pump
CE-CERTIFICATE…………………………………………………….…………………………………………………………. 30