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3 years ago

E-Combi ONE - Installation Manual

  • Text
  • Boiler
  • Heating
  • Flue
  • Appliance
  • Efficiency
  • Valve
  • Installation
  • Parameter
  • Maintenance
  • Domestic
  • Install

BOILER PROTECTION

BOILER PROTECTION DEVICES Boiler protection devices The boiler is protected from malfunctioning by means of internal checks performed by the electronic microprocessor P.C.B., which stops the boiler from operating if necessary. In the event of the boiler being shut off in this manner, a code appears on the display which refers to the type of shut-off and the reason behind it. There are two types of shut-off: Safety shut-off This type of error is “volatile”, which means that the boiler starts up again automatically as soon as the problem which caused the shut-off is removed; the error is indicated by the « » symbol which appears on the display and the error code. In fact, soon as the cause of the shut-off disappears, the boiler starts up again and continues to operate normally. In the event of error 108 - Shut-off due to insufficient water pressure inside the heating circuit - the boiler will perform a safety shut-off. You can increase the pressure by filling the heating circuit. In this case or if the re-balancing request is performed on a frequent basis, switch the boiler off, turn the external electric switch to the OFF position, shut off the gas cock and contact a qualified technician to check for any leaks of water. Shutdown This type of error is “non-volatile”, which means that it is not removed automatically. To restore normal operation press the button on the control panel. Important If this shutdown occurs frequently, contact an authorised Technical Service Centre for assistance. For safety reasons, the boiler will permit a maximum of 5 resets in 15 minutes (5 presses of the RESET button); at the 6th attempt within this 15-minute period the boiler will shut down and may only be operated again after the electricity supply has been disconnected. If the shutdown is occasional or an isolated event, this is not a problem. Malfunction warning This warning is shown by the display in the following format: 5 P1 = FIRST IGNITION ATTEMPT UNSUCCESSFUL the first figure indicating the operational assembly is followed by a P (warning) and the code relating to the specific warning. The first figure of the error code (e.g. 1 01) indicates within which operational assembly the error occurred. 1 - Primary Circuit 2 - Domestic Hot Water Circuit 3 - Internal Electronic Part 4 - External Electronic Part 5 - Ignition and Detection 6 - Air inlet - flue gas outlet 7 - Multi-zone Heating Table summarising error codes Central Heating circuit Display Description 1 01 Overheat 1 03 1 04 1 05 1 06 1 07 Insufficient circulation 1 08 Insufficient water (request filling) 1 09 System pressure > 3 bar 1 10 C.H. Flow temp. probe circuit open / short circuit 1 12 C.H. Return temp. probe circuit open / short circuit 1 14 External sensor circuit open / short circuit 1 16 Floor Thermostat contact open 1 18 Heating delivery probe problem 1 P1 1 P2 1 P3 1 P4 D.H.W. circuit Insufficient circulation indication 2 05 DHW In Probe Open Circuit (Solare temp. probe) Internal P.C.B.’s 3 01 EEPROM error 3 02 Comunication error 3 03 Main P.C.B. error 3 04 Too many (> 5) resets in 15 minutes 3 05 Main P.C.B. error 3 06 Main P.C.B. error 3 07 Main P.C.B. error 3 P9 Sched.Maintanace-Call Service External P.C.B.’s 4 11 Room sensor circuit open or short circuit ZONA 1 4 12 Room sensor circuit open or short circuit ZONA 2 4 13 Room sensor circuit open or short circuit ZONA 3 38 /

BOILER PROTECTION DEVICES Ignition and Detecion 5 01 No flame detected 5 02 Flame detected with gas valve closed 5 04 Flame lift 5 P1 1st Ignition Failed 5 P2 2nd Ignition Failed 5 P3 Flame cut-off Air Inlet / Flue gas outlet 6 10 Overheat (Main heat exchanger) 6 12 Insufficient fan speed Multi-zone Heating (Heating Zone Modules - optional) 7 01 Zone 1 send sensor defective 7 02 Zone 2 send sensor defective 7 03 Zone 3 send sensor defective 7 11 Zone 1 return sensor defective 7 12 Zone 2 return sensor defective 7 13 Zone 3 return sensor defective 7 22 Zone 2 overheating 7 23 Zone 3 overheating 7 50 All Heating Zones locked Anti-frost Device. The anti-frost function acts on the central heating flow temperature probe, independently from other regulations, when the electrical supply is turned on. If the primary circuit temperature is between 3°C and 8°C the pump will run (with the diverter valve switching between central heating and hot water every 1 minute) until the temperature reaches > 9°C. If the flow temperature remains between 3°C and 8°C the pump will continue to run for a maximum of 20 minutes unless a temperature above > 9°C is detected in the central heating flow, after this the the burner will fire (heating position) until a temperature of > 30°C is detected. If the central heating flow temperature is < 3°C, the burner will fire (heating position) at minimum power until the temperature reaches > 35°C, the burner will go out. If lockout is caused by overheat the burner will not fire but the pump will continue to run (heating position). The anti-frost device activates only when (with the boiler operating correctly): - the system pressure is correct; - the boiler is electrically powered; - there is a supply of gas. / 39

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