commissioning Auto function This is a function which enables the boiler to automatically adapt its operation routine (the temperature of the radiators) in line with the outdoor conditions, in order to achieve and maintain the requested room temperature conditions. Depending on the peripheral units connected and the number of zones controlled, the boiler adjusts its flow temperature automatically. The various corresponding parameters should therefore be set (see adjustments menu). To activate the function, press the AUTO button . Example 1: SINGLE ZONE SYSTEM (HIGH-TEMPERATURE) WITH ON/OFF ROOM THERMOSTAT: In this case the following parameters must be set: 4 21 - Activation of temperature adjustment using sensors - Select 01 = Basic temperature adjustment 2 44 - Boost Time (optional) The wait time for the flow temperature increase in steps of 4°C may be set. The value varies according to the type of system and installation. If the Boost Time value = 00 the function is not activated. Example 2: SINGLE ZONE SYSTEM (HIGH-TEMPERATURE) WITH ON/OFF ROOM THERMOSTAT + OUTDOOR SENSOR: In this case the following parameters must be set: 4 21 - Activation of temperature adjustment using sensors - Select 03 = outdoor sensor only 4 22 - Temperature adjustment curve selection (see page 39) - Select the relevant curve according to the type of system, installation, heat insulation used in the building, etc. 4 23 - Perform a parallel curve shift if necessary, increasing or decreasing the set-point temperature (this may also be modified by the user, using the heating temperature adjustment knob, which, with the Auto function activated, is used to shift the curve in a parallel manner). Example 3: SINGLE ZONE SYSTEM (HIGH-TEMPERATURE) WITH REMOCON REMOTE CONTROL + OUTDOOR SENSOR In this case the following parameters must be set: 4 21 - Activation of temperature adjustment using sensors - select 04 = outdoor sensor + room sensor 4 22 - Temperature adjustment curve selection (see page 39) - Select the relevant curve according to the type of system, installation, heat insulation used in the building, etc 4 23 - Perform a parallel curve shift if necessary, increasing or decreasing the set-point temperature. (This may also be changed by the user by the encoder which, with the Auto function activated, is used to shift the curve in a parallel manner.) 4 24 - Influence of room sensor - used to adjust the influence the room temperature has on the calculation of the set-point flow temperature (20 = maximum, 0 = minimum). 32
oiler 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 “non-volatile”, which means that the boiler starts up again automatically as soon as the problem which caused the shut-off is removed; on the display and flash “Err” and the error code (es: Err / 101). In fact, as soon as the cause of the shut-off disappears, the boiler starts up again and continues to operate normally. Safety shut-off due to insufficient water pressure If the water pressure inside the heating circuit is insufficient, the boiler will perform a safety shut-off. The display will flash “Err” and the code for Insufficient circulation 103, 104, 105, 106 or 107 (Err/107)) Check the water pressure on the pressure gauge and make sure that is between 0.6 and1.5 bar when the system is cold. If the pressure is just under the minimum refill the system by connecting the silver flexible hose supplied to the two isolating points underneath the boiler, once the hose is connected, open up both of the grey quarter turn handles, once the pressure reads 1.5 bar on the display, close both handles and disconnect the hose . If the pressure drops very frequently, there may be a water leak at some point in the system. If this is the case please contact your installer and ask them to check it. In this case or if the re-balancing request is performed on a frequent basis, switch the boiler off, bring the external electric switch to the OFF position, shut off the gas valve 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. On the display flash “Err” and the error code (es: Err / 501).To restore normal operation press the button on the control panel. 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 - Multizone Malfunction warning This warning is shown by the display in the following format: 5 P3 = Flame cut-off the first figure indicating the operational assembly is followed by a P (warning) and the code relating to the specific warning. 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. Table summarising error codes Central Heating circuit Display Description 1 01 Overheat 1 02 Pressure Sensor Error 1 03 1 04 1 05 Insufficient circulation 1 06 1 07 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 P1 1 P2 Insufficient circulation indication 1 P3 D.H.W. circuit 2 01 D.H.W. temp. probe circuit open / short circuit 2 02 Circuito aperto o cortocircuito sonda accumulo bassa 2 04 Circuito aperto o cortocircuito sonda collettore solare 2 07 Sovratemperatura collettore solare 2 08 Intervento antigelo collettore solare Internal P.C.B.’s 3 01 EEPROM error 3 02 Communication error 3 03 Main P.C.B. error 3 05 Main P.C.B. error 3 06 Main P.C.B. error 3 07 Main P.C.B. error External P.C.B.’s 4 07 Room sensor circuit open short circuit Ignition and Detection 5 01 No flame detected 5 02 Flame detected with gas valve closed 5 P4 3 flame cut-offs detected in one cycle Air Inlet / Flue gas outlet 6 04 Insufficient fan speed 6 07 Air pressure switch closed permanently 6 P1 Delay in air pressure switch closing 6 P2 APS close-open Multizone (optional) 7 01 Zone2 Send Probe Damaged 7 02 Zone2 Return Probe Damaged 7 03 Zone3 Send Probe Damaged 7 04 Zone3 Return Probe Damaged 7 05 Hydraucic Comp. Probe Damaged 7 06 Zone2 Overheat 7 07 Zone3 Overheat Kit solare (optional) 33
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commissioning Auto function This is a function which enables the boiler to automatically adapt its operation routine (the temperature of the radiators) in line with the outdoor conditions, in order to achieve and maintain the requested room temperature conditions. Depending on the peripheral units connected and the number of zones controlled, the boiler adjusts its flow temperature automatically. The various corresponding parameters should therefore be set (see adjustments menu). To activate the function, press the AUTO button . Example 1: SINGLE ZONE SYSTEM (HIGH-TEMPERATURE) WITH ON/OFF ROOM THERMOSTAT: In this case the following parameters must be set: 4 21 - Activation of temperature adjustment using sensors - Select 01 = Basic temperature adjustment 2 44 - Boost Time (optional) The wait time for the flow temperature increase in steps of 4°C may be set. The value varies according to the type of system and installation. If the Boost Time value = 00 the function is not activated. Example 2: SINGLE ZONE SYSTEM (HIGH-TEMPERATURE) WITH ON/OFF ROOM THERMOSTAT + OUTDOOR SENSOR: In this case the following parameters must be set: 4 21 - Activation of temperature adjustment using sensors - Select 03 = outdoor sensor only 4 22 - Temperature adjustment curve selection (see page 39) - Select the relevant curve according to the type of system, installation, heat insulation used in the building, etc. 4 23 - Perform a parallel curve shift if necessary, increasing or decreasing the set-point temperature (this may also be modified by the user, using the heating temperature adjustment knob, which, with the Auto function activated, is used to shift the curve in a parallel manner). Example 3: SINGLE ZONE SYSTEM (HIGH-TEMPERATURE) WITH REMOCON REMOTE CONTROL + OUTDOOR SENSOR In this case the following parameters must be set: 4 21 - Activation of temperature adjustment using sensors - select 04 = outdoor sensor + room sensor 4 22 - Temperature adjustment curve selection (see page 39) - Select the relevant curve according to the type of system, installation, heat insulation used in the building, etc 4 23 - Perform a parallel curve shift if necessary, increasing or decreasing the set-point temperature. (This may also be changed by the user by the encoder which, with the Auto function activated, is used to shift the curve in a parallel manner.) 4 24 - Influence of room sensor - used to adjust the influence the room temperature has on the calculation of the set-point flow temperature (20 = maximum, 0 = minimum). 32
oiler 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 “non-volatile”, which means that the boiler starts up again automatically as soon as the problem which caused the shut-off is removed; on the display and flash “Err” and the error code (es: Err / 101). In fact, as soon as the cause of the shut-off disappears, the boiler starts up again and continues to operate normally. Safety shut-off due to insufficient water pressure If the water pressure inside the heating circuit is insufficient, the boiler will perform a safety shut-off. The display will flash “Err” and the code for Insufficient circulation 103, 104, 105, 106 or 107 (Err/107)) Check the water pressure on the pressure gauge and make sure that is between 0.6 and1.5 bar when the system is cold. If the pressure is just under the minimum refill the system by connecting the silver flexible hose supplied to the two isolating points underneath the boiler, once the hose is connected, open up both of the grey quarter turn handles, once the pressure reads 1.5 bar on the display, close both handles and disconnect the hose . If the pressure drops very frequently, there may be a water leak at some point in the system. If this is the case please contact your installer and ask them to check it. In this case or if the re-balancing request is performed on a frequent basis, switch the boiler off, bring the external electric switch to the OFF position, shut off the gas valve 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. On the display flash “Err” and the error code (es: Err / 501).To restore normal operation press the button on the control panel. 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 - Multizone Malfunction warning This warning is shown by the display in the following format: 5 P3 = Flame cut-off the first figure indicating the operational assembly is followed by a P (warning) and the code relating to the specific warning. 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. Table summarising error codes Central Heating circuit Display Description 1 01 Overheat 1 02 Pressure Sensor Error 1 03 1 04 1 05 Insufficient circulation 1 06 1 07 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 P1 1 P2 Insufficient circulation indication 1 P3 D.H.W. circuit 2 01 D.H.W. temp. probe circuit open / short circuit 2 02 Circuito aperto o cortocircuito sonda accumulo bassa 2 04 Circuito aperto o cortocircuito sonda collettore solare 2 07 Sovratemperatura collettore solare 2 08 Intervento antigelo collettore solare Internal P.C.B.’s 3 01 EEPROM error 3 02 Communication error 3 03 Main P.C.B. error 3 05 Main P.C.B. error 3 06 Main P.C.B. error 3 07 Main P.C.B. error External P.C.B.’s 4 07 Room sensor circuit open short circuit Ignition and Detection 5 01 No flame detected 5 02 Flame detected with gas valve closed 5 P4 3 flame cut-offs detected in one cycle Air Inlet / Flue gas outlet 6 04 Insufficient fan speed 6 07 Air pressure switch closed permanently 6 P1 Delay in air pressure switch closing 6 P2 APS close-open Multizone (optional) 7 01 Zone2 Send Probe Damaged 7 02 Zone2 Return Probe Damaged 7 03 Zone3 Send Probe Damaged 7 04 Zone3 Return Probe Damaged 7 05 Hydraucic Comp. Probe Damaged 7 06 Zone2 Overheat 7 07 Zone3 Overheat Kit solare (optional) 33
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