Biasi Activ A 30C User Manual And Installation Instructions Download Page 11

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USE

APPLIANCE DESCRIPTION

The ignition of the

key, the arrow, M,

and the month (1 or

2) indicates the next

due date for mainte-

nance.

The flashing of the

symbol, the arrow, M

and 0 indicates that

the maintenance pe-

riod has expired

Temperature meas-

urement unit

Constantly illuminat-

ed: 3 star preheating

function active

Flashing: 3 star pre-

heating function in

process

Flashing: down (be-

fore flame detection)

Constantly illumi-

nated: flame present

and modulation level

Constantly illumi-

nated: lockout error.

The boiler can be

restarted by the user

by pressing the re-

set button

Non resettable error

The back lighting

has to be flashing

Constantly illuminat-

ed: set value

Constantly illumi-

nated: temperature

is displayed without

decimals but with

a sign (probe con-

nected)

Indicated

boiler

pressure

Constantly illuminat-

ed: remote control

connected

Flashing:

request

from remote control

in process

Constantly illuminat-

ed: pump active

The icon remains on

for post-circulation

Constantly illuminat-

ed: boiler antifreeze

active

Antifrostat

Constantly illumi-

nated: (system anti-

freeze active

SIGNAL DISPLAYED BY THE LCD

LCD

FUNCTION

E01

Lack of burner ignition

on safety lockout

E02

Safety thermostat inter-

vention lockout

E03

General lockout

E04

Little pressure in the

system or pressure

transducer disconnect-

E05

Pressure switch anom-

aly (if present)

E06

Faulty c.h. temp. probe

NTC1 or NTC2

E07

Faulty d.h.w. temp.

probe NTC

Summary of Contents for Activ A 30C

Page 1: ...Wall hung fanflue roomsealed high efficiency gas boiler User manual and Installation instructions Activ A Plus Models G C Appl No Activ A Plus 30C Activ A Plus 35C ...

Page 2: ...seful heat that otherwise would be lost DANGER The indications marked with this symbol must be observed to pre vent accidents of mechanical or generic origin e g injuries or bruises DANGER The indications marked with this symbol must be observed to pre vent accidents of electric origin electrocution DANGER The indications marked with this symbol must be observed to pre vent the risk of fire or exp...

Page 3: ...ou are advised to have a Gas Safety Registered Engineer check that the installation of the gas supply is gas tight is of the correct gauge for the flow to the boiler is fitted with all the safety and control devices required by the current Regulations Ensure that check with the Installer that he has connected and terminated the pressure relief valve in a manner which allows safe discharge The manu...

Page 4: ...ren or by those unfamiliar with its operation must not be exposed to weather conditions During the operation it is quite normal that the boiler produces a white plume of conden sation vapour from the flue terminal This is due to the high efficiency of the appliance and may be particularly evident with low outdoor temperatures Safe handling of substances Biasi products are manufactured in accordanc...

Page 5: ... and throat Vapour is harmful Inflammable do not extinguish with water Precautions Do not incinerate Avoid contact with broken leaking phials Do not purposely puncture First aid medical attention must be sought following eyes skin contact wash with clean water Sharp Edges Caution should be taken when handling the boiler to avoid sharp edges on the boiler Boiler installation and commissioning tips ...

Page 6: ...rnal controls such as a room thermostat By following this procedure if you have a subse quent problem following the addition of an external control you can eliminate the boiler from your fault analysis If the boiler is fitted with a digital programmer when setting the times for automatic opera tion remember that for every ON time there must be an OFF time to follow and that on every occasion you e...

Page 7: ... 60 7 8 Checking the inlet pressure 60 7 9 Lighting the boiler 61 7 10 Enabling functioning of the external temperature probe by the remote control 62 7 11 Setting the K coefficient of the external temperature probe 63 7 12 Setting the pump speed 65 7 13 Setting the pump post circulation 66 7 14 Selecting the reignition frequency 68 7 15 Checking the ignition device 69 7 16 Checking the flue syste...

Page 8: ...m right side Fig 1 1 1 1 Controls panel 1 2 Isolation valves Fig 1 2 2 3 4 5 6 7 8 9 10 2 Gas supply label 3 C h flow valve 4 D h w outlet valve 5 Gas inlet valve 6 D c w inlet valve 7 C h return valve 8 Condensate drain pipe 9 Main circuit drain valve 10 C h pressure relief valve pipe model and serial number of the boiler label ...

Page 9: ...d the timer 3 star preheating function and heating flow timer 20 LCD display RESET that takes all parameters back to the factory value occurs only by setting parameter 08 04 Reset is displayed by switch on of all symbols present on the display Press keys 15 and 19 Fig 1 3 simultaneously for 5 seconds in order to reset all the scheduling both preheating and heating After resetting or in default sta...

Page 10: ...ower delayed by inhibi tor AFCT or other events INFO menu input enabled Indicate the status of the scheduling re quest Flashing comfort program in process reduced pro gram in process The day of the week is displayed high lighting the number with the following sequence 1 Mon 7 Sun Constantly illuminat ed d h w function enabled Flashing d h w function enabled Flashing solar circuit pump in operation...

Page 11: ...ghting has to be flashing Constantly illuminat ed set value Constantly illumi nated temperature is displayed without decimals but with a sign probe con nected Indicated boiler pressure Constantly illuminat ed remote control connected Flashing request from remote control in process Constantly illuminat ed pump active The icon remains on for post circulation Constantly illuminat ed boiler antifreeze...

Page 12: ... during D h w op eration Boiler Stand By hy phens are turned on in sequence to simulate running antifreeze pro tection activated LCD FUNCTION In the case of incorrect pressure the value is visualised with a flash ing symbol When pressure is achieved the symbol remains on for 15 s and then disappears Flashing high pressure 2 8 bar ON 2 6 bar OFF intermediate pres sure 0 15 P Pon rising 0 15 P Pon 0...

Page 13: ... on Boiler in chimney sweep in function The activation of the chimney sweep occurs configuring the param eter P09 01 and is visualized LP minimum dhw hP minimum heating cP maximum heating dP maximum dhw The transition occurs with keys 18 increase and 17 decrease dhw temperature The writing on the dis play alternates ...

Page 14: ... section 7 commissioning Ensure that the c h circuit is regularly filled with water even if the boiler is only used for d h w supply checking that the pressure indicated on the bottom part of the display Fig 2 2 In the case of incorrect pressure the value is visualised with a flashing symbol Fig 2 2 high pressure 2 8 bar ON 2 6 bar OFF intermediate pressure 0 15 P Pon rising 0 15 P Pon 0 2 decreas...

Page 15: ...ic air purger fitted to the boiler You may also find it necessary to vent air from your radia tor circuit using your radiator key however be aware that excessive venting will cause the pressure in the system to drop Always ensure that the pressure gauge is set at the required pressure 2 3 Ignition Check that the valves located in the lower part of the boiler are open Fig 2 3 Fig 2 3 Open position ...

Page 16: ...g hold down key 19 for 5 seconds all changes will be saved or wait 60 seconds NOTE If a remote is connected the card acquires the time date and year data from the remote itself and synchronises with it ID 20 C h D h w functioning Press the key 14 for 2 seconds until both and symbols appear on the display Fig 2 7 Fig 2 7 11 12 13 14 15 16 17 18 19 The LCD display displays the boiler tem perature pr...

Page 17: ...n recommend the most indicated adjustments for Your sys tem The control of the set temperature reached can be seen on the LCD display by means of the missing symbol Power request in c h power When the boiler has a power request in the c h mode the symbol is displayed on the display followed by an increase of the c h water flow temperature The symbol flashes and the circulator is activat ed Fig 2 1...

Page 18: ... ing request both the TA and clock consents must be obtained N B The scheduling of the heating brack ets does not affect possible requests for system antifreeze AF which are satisfied irrespective of the time bracket set To set the time brackets Enter programming mode by holding down keys 18 and 19 for 5 seconds Fig 2 14 until the LCD display indicates the symbols shown in Fig 2 13 Fig 2 13 Fig 2 ...

Page 19: ...g hold down key 19 for 5 seconds all changes will be saved or wait 60 seconds N B If you re enter programming mode to modify the values the new brackets over write the previous ones if necessary wher ever they have already been programmed or they overwrite them fully or partly To reset all the time brackets please refer to paragraph 1 3 to page 9 2 5 D h w temperature The temperature of the d h w ...

Page 20: ...th drawal preparing the boiler temperature at the requested temperature To activate the 3 star preheating function press key 13 Fig 2 27 until the following symbol appears on the LCD display Fig 2 21 When the symbol flashes the function is in process Fig 2 21 NOTE Should the power to the boiler fail wait at least one minute before reactivating the function upon reactivation To disable the 3 star p...

Page 21: ...cess the time modifica tion and the digits to be programmed will begin to flash To modify the on and off time press key 17 or 18 To confirm the on off point and move on to the next point press key 14 in Fig 2 23 If all 4 programmes P1 P4 are not used the unused programmes must be set to 0 as shown in Fig 2 25 Fig 2 25 Press key 19 briefly to save the values en tered and the display will indicate O...

Page 22: ...2 28 If a long period of inactivity is envisioned Switch off the electricity supply to the boil er by means of the fused spur isolation switch Shut off the gas supply cock and the valves for the water circuits fitted under the boiler Fig 2 29 Fig 2 29 Close position If necessary empty the hydraulic circuits see section Emptying the d h w system to page 77 and section Emptying the c h system to pag...

Page 23: ...3 2 Therefore when the boiler is not lit and used in cold weather with consequent risk of freezing do not switch off the boiler at the fused spur isolation switch or close the gas inlet cock If the boiler is deactivated have a qualified technician empty the boiler heating and domestic hot water circuit the c h system and the d h w system 3 3 Condensate drain The condensate drain must not be modi f...

Page 24: ...nd a code that precedes the letter E and the writing RESET see LCD general features to page 10 appear on the LCD display it in dicates that the safety lock out has stopped the boiler The display background flashes Fig 3 3 Fig 3 3 For the first lighting up and following main tenance procedures for the gas supply it may be necessary to repeat the resetting operation several times so as to remove the...

Page 25: ... the pressure relief valve Check on the pressure gauge that the pres sure in the central heating circuit is not close to 3 bars In this case temperature rise in the circuit can cause the pressure relief valve to open So that this does not happen and to decrease the pressure to a normal value it is advisable to vent some of the water in the appliance through the bleed valves present in the radiator...

Page 26: ...ture J01 value K curve value configured in loco J02 value Offset climatic curve value J03 value Calculated heating set point with climatic curve or set configured J04 value Temperature NTC delivery J05 value Temperature NTC return J06 value Domestic set J07 value Temp Dhw inlet if foreseen J08 value Temp Dhw output J09 value Dhw capacity J10 value Flue temperature if foreseen J11 value Fan speed i...

Page 27: ...be NTC E07 Faulty external temp probe NTC with K set E08 Flame detection error E11 Lack of circulation T 105 C E14 3 9 Flue probe The flue probe 22 and safety thermal fuse 28 indicated in Fig 3 8 are a safety device The flue probe 22 intervenes when the flue temperature exceeds 110 C placing the boiler in safety block switching it off To reset normal boiler functioning just press the 15 Fig 3 6 ke...

Page 28: ... 28 INSTALLATION TECHNICAL INFORMATION 4 TECHNICAL INFORMATION 4 1 Overview Fig 4 1 21 22 49 46 39 43 31 27 38 32 34 35 26 45 41 30 33 40 47 25 44 42 29 48 36 37 52 28 53 ...

Page 29: ...at exchanger air purger valve 22 Flue temperature probe NTC 23 C h temperature probe NTC delivery 24 C h temperature probe NTC return 25 Condensing heat exchanger 26 Safety thermostat 27 Flame detecting electrode 28 Safety thermal fuse 29 Air manifold 30 C h pressure relief valve 31 Automatic airpurger valve 32 Pump 52 53 54 25 27 46 47 44 34 49 32 39 42 30 5 7 9 8 3 6 4 40 35 31 23 24 37 48 43 51...

Page 30: ...r supply terminal block external controls terminal block 39 Primary circuit pressure switch 40 Condensate trap 41 D h w heat exchanger 42 Three way diverter valve 43 Three way electric actuator valve 44 Fan 45 Air box air gas mixer 46 Ignition electrode 47 Burner 48 Domestic hot water flow switch 49 C h expansion tank 50 Domestic water circuit filter 51 Domestic hot water flow limiter 52 Flue outl...

Page 31: ...circuit elements valves by pass ensures a minimum water circulation inside the con densing primary exchanger The by pass is calibrated to a differential pressure of about 0 3 0 4 bar 4 4 Expansion vessel Note this boiler is designed for opera tion only in a sealed central heating sys tem The height difference between the pressure relief valve and the highest point in the sys tem may be 10m at most...

Page 32: ...in Max flow temperature settings C 25 85 Maximum pressure kPa 250 bar 2 5 Minimum pressure kPa 30 bar 0 3 Available head in 1000 l h kPa 27 bar 0 27 Seasonal efficency G20 c 88 7 Seasonal efficency G31 c 89 7 to the minimum useful output A referred to the net calorific value at 15 C and 1013 25 mbar G20 34 02 MJ m3 G31 46 34 MJ kg B referred to the gross calorific value at 15 C and 1013 25 mbar G2...

Page 33: ...s Natural G20 Fuch sia Blu Propane G31 Fuch sia Blu Electrical data Voltage V 230 Frequency Hz 50 Power consumption W 130 Protection degree IPX5D External fuse rating A 3 Internal fuse rating A N 2 2 AF Flue design Boiler type B23P C13 C33 C43 C53 C63 C83 ø Coaxial mm 60 100 ø Twin split pipes mm 80 80 ø Roof mm 80 125 Nominal heat flow rate A E kW 25 0 Exhaust temperature E C 74 0 Mass flow rate ...

Page 34: ... gas G20 range min max 8 7 9 3 CO2 content with gas G31 range min max 9 4 10 4 CO2 contents domestic hot water Nominal heat input A E kW 30 0 CO2 content with gas G20 range min max 9 2 9 8 CO2 content with gas G31 range min max 9 9 10 8 Minimum heat input A E kW 8 3 CO2 content with gas G20 range min max 8 7 9 3 CO2 content with gas G31 range min max 9 4 10 4 Other specifications Height mm 700 Wid...

Page 35: ... Min Max flow temperature settings C 25 85 Maximum pressure kPa 250 bar 2 5 Minimum pressure kPa 30 bar 0 3 Available head in 1000 l h kPa 27 bar 0 27 Seasonal efficency G20 c 88 6 Seasonal efficency G31 c 89 6 to the minimum useful output A referred to the net calorific value at 15 C and 1013 25 mbar G20 34 02 MJ m3 G31 46 34 MJ kg B referred to the gross calorific value at 15 C and 1013 25 mbar ...

Page 36: ... Natural G20 Fuch sia Blu Propane G31 Fuch sia Blu Electrical data Voltage V 230 Frequency Hz 50 Power consumption W 135 Protection degree IPX5D External fuse rating A 3 Internal fuse rating A N 2 2 AF Flue design Boiler type B23P C13 C33 C43 C53 C63 C83 ø Coaxial mm 60 100 ø Twin split pipes mm 80 80 ø Roof mm 80 125 Nominal heat flow rate A E kW 30 0 Exhaust temperature E C 81 6 Mass flow rate E...

Page 37: ... gas G20 range min max 8 7 9 3 CO2 content with gas G31 range min max 9 4 10 4 CO2 contents domestic hot water Nominal heat input A E kW 34 0 CO2 content with gas G20 range min max 9 3 9 9 CO2 content with gas G31 range min max 10 0 10 9 Minimum heat input A E kW 8 3 CO2 content with gas G20 range min max 8 7 9 3 CO2 content with gas G31 range min max 9 4 10 4 Other specifications Height mm 700 Wi...

Page 38: ...with the current edi tion of I S 813 2002 Domestic Gas Installa tions the current Building Regulations and reference should be made to the current ETCI rules for electrical installations 5 2 Location of appliance The appliance may be installed in any room or internal space although particular atten tion is drawn to the requirements of the cur rent I E E Wiring Regulations and in Scot land the elec...

Page 39: ...rners 450 H From external corners 300 I Above ground or balcony lev el 300 J From a next door boundary 2500 K From a terminal facing a termi nal 2500 L From an opening in the car port e g door window into dwell ing NO M Vertically from a terminal in the same wall 1500 N Horizontally from a terminal in the same wall 300 O Above the roof pitch with roof slope less than or equal to 30 350 O Above the...

Page 40: ... regulations in force The condensate pipe must be fitted in ac cordance with Building Regulations Drain pipe material should be resistant to acid as the condensate is slightly acid with a pH less than 6 5 The boiler includes a trap 30 on page 28 that prevents the combustion products en tering the drain The boilers incorporate a condensate trap with a 75 mm seal to comply with BS 6798 2008 The sche...

Page 41: ...sing through ventilated spaces in roofs and under floors By pass The appliance includes an automatic by pass valve which protects the main heat exchanger in case of reduced or interrupted water circulation through the heating system due to the closing of thermostatic valves or cock type valves within the system The by pass is calibrated to assure a mini mum flow of 200 300 lts hr through the main ...

Page 42: ...he installer should ensure that no leaks ex ist either inside the boiler or on the system as frequent filling of the system could cause premature scaling of the heat exchanger 5 9 Domestic water The domestic water installation must be in accordance with the relevant recommenda tions of BS 5546 Copper tubing to BS EN 1057 is recommended for water carrying pipework and must be use for pipework car r...

Page 43: ...3A The method of connection to the electricity supply must facilitate complete electrical isolation of the appliance by the use of a fused spur isolation switch Its installation permits a complete switching off in the con ditions of the overvoltage category III Alter natively it can be used a 3A fused three pin plug and unswitched shuttered socket outlet both complying with BS 1363 The point of co...

Page 44: ...ements of the distribu tors and comply with current Regulations and laws in force The safety relief valve and the condensate drain must be connected to a suitable drain or discharge in a safe manner The electrical wiring must conform with cur rent Regulations in particular the boiler must be earthed using the cor rect bonding clamp a fused spur isolation switch must be in stalled near to the boile...

Page 45: ... product in the circulating water The latter option in particular not only cleans out the system but also has an anti corrosive effect by promoting formation of a protective skin on metal surfaces and neu tralising gases present in the water We recommend the use of a suitable uni versal inhibitory to protect the c h system from corrosion 6 3 Installing the bracket Precautions Before mounting the b...

Page 46: ...5 Condensate drain ø 25 plastic sizes in mm o d Condensate drain to be realised with min pipe ø 30 mm 6 6 Mounting the boiler Assemble the pre piping kit bracket by screwing the four screws L Fig 6 3 Fix the water valves O using the forks M to the prepiping kit bracket Fix the c h valves N and the gas cock P with the remaining forks M to the prepiping kit bracket Mount the bracket of the prepiping...

Page 47: ... Water circulation c h pag 41 in this manual 6 7 Fitting the flue system For a correct installation of the flue pipe re fer to the sheet provided together with the pre selected kit The horizontal routes of the flue pipes must incline about 1 5 degrees 25 mm per me ter therefore the terminal must be higher than the intake at the boiler The single coaxial pipe with the terminal must be fitted horizo...

Page 48: ... of flu The flue exhaust air intake can be installing in the mode C13 C33 C53 C63 Refer to the sheet provided with the pre selected kit in separate packaging The horizontal routes of the flue pipes must incline about 1 5 degrees 25 mm per me ter The terminal must be higher than the infeed boiler side The single coaxial pipe with terminal must be horizontal because the drain pipe is al ...

Page 49: ...owever the terminal must always ex haust horizontally Additional bends at 45 or 90 Fig 6 8 C Coaxial bends Ø 60 100 mm These bends when used with the pipe re duce the maximum length of the flue pipe by For the bend of 45 loss 0 5 m For the bend of 90 loss 1 m Exhaust intake split pipes kit Ø 80 mm Fig 6 9 Fig 6 10 This kit allows the flue exhaust to be sepa rated from the air intake The terminals ...

Page 50: ... C 35 kW 98 C Maximum recircula tion of CO2 in the suction duct 30 kW 0 95 35 kW 1 00 Roof flue exhaust kit Fig 6 11 Coaxial pipe Ø 80 125 mm with a nominal height of 0 96 m This kit exhausts directly to the roof Fig 6 11 45 90 Ø 125 Type C33 Extensions are available for reaching the maximum height Its maximum height with extension is 10 m Bends of Ø 80 mm at 90 and at 45 are available that reduce...

Page 51: ...eved utilising extensions Each additional elbow reduces the overall acceptable length of the flue system as fol lows 45 60 100 mm reduce length by 0 5 m 90 60 100 mm reduce length by 1 m 45 60 mm reduce length by 0 65 m 90 60 mm reduce length by 0 85 m 6 9 Electric connection Unscrew screws V and remove the front panel W by pulling it and pushing it to wards the top so that it is freed from the to...

Page 52: ...rminals to which the room thermostat must be connected Connect the earth cable yellow green to an effective earth plant The earth cable must be the longest of the electric power supply cables The appliance s electric power supply cable or wire must have a section no less than 0 75 mm2 it must be kept away from hot or sharp parts and however conform to the technical regulations in force Fig 6 15 Am...

Page 53: ... 3 when connecting any type of ambient thermostat The electric cables of the ambient thermo stat are inserted between clamps 1 and 3 as in Fig 6 18 or Fig 6 19 or Fig 6 20 Be careful not to connect pow ered cables on clamps 1 and 3 Fig 6 18 1 T Potential clean contacts of the Ambient Thermostat Fig 6 19 N L 3 2 1 Room thermostat 230V rating T Fig 6 20 Room thermostat 1 2 3 L N with delay resistor ...

Page 54: ...ps Y Fig 6 17 Connection of a remote controlled zone valve Connecting a zone valve to the terminal of the auxiliary card and the remote control to the specific terminals it is possible to control this zone with the same remote control Moreover should another zone controlled by an ambient thermostat be present it is possible to regulate both zones with a dif ferent delivery temperature In order to ...

Page 55: ...card terminal board Zone valve To remotely connect utilise the terminals in dicated in Fig 6 27 6 11 External frost protection Connect the frost thermostat between ter minals 1 and 2 as shown in Fig 6 25 or Fig 6 26 Do not connect live wires to terminals to which the frost thermostat must be con nected Fig 6 25 Room thermostat N L 3 2 1 230V rating Frost Thermostat 230V rating T T Fig 6 26 1 2 3 L...

Page 56: ...r different channels to the voltage ones 230 V since they are powered at a safe ty low voltage and their maximum length must not exceed 20 meters Use the clamps indicated in Fig 6 27 to connect the external probe Fig 6 27 Ambient thermostat External Probe Electric power supply Remote The route of the external probe s connec tion wires must follow the route indicated in Fig 6 16 Allow the cables to...

Page 57: ...umps flow rate Therefore by means of a hydraulic separa tor the secondary circuit s flow rate is put into circulation only when the relative pump is on When the pump of the secondary is off there is no circulation in the correspond ing circuit and therefore the entire flow rate pushed by the primary is by passed through the separator Thus with the hydraulic separator it is pos sible to have a cons...

Page 58: ...be carried out by a competent person i e polarity earth continu ity resistance to earth and short circuit If a fault has occurred on the appliance the fault finding procedure should be followed as specified in the service manual 7 3 Gas supply installation Inspect the entire installation including the gas meter test for tightness and purge all as described in BS 6891 For Ireland IE refer to I S 81...

Page 59: ...move any loose particles and any system debris before start ing the boiler for the first time The flushing procedure must be in line with BS7593 2006 Treatment of Water in d h w c h Systems When the installation and second filling are completed turn on the c h system and run it until the temperature has reached the boiler operating temperature The system must then be immediately flushed through Th...

Page 60: ...d be noted that a Flue Gas Analyser is required for this procedure 7 8 Checking the inlet pressure Remove the boiler body s front panel see section Dismantling the external panels to page 76 When the boiler is switched off out of or der check the supply pressure by using the 35 point in Fig 7 6 and compare the value read with that reported on the Gas supply pressure table in the Technical Data sec...

Page 61: ...on switch The LCD will display the symbol Fig 7 7 Fig 7 7 Press the 14 key for 2 seconds until both and symbols appear on the dis play Fig 7 8 Fig 7 8 11 12 13 14 15 16 17 18 19 The LCD display displays the boiler tempera ture primary circuit and the and symbols Fig 7 9 Fig 7 9 Open the gas cock Make sure that the ambient thermostat is in the heat request position Check the correct functioning of ...

Page 62: ...reset button is inhibited To restore its func tion it is necessary to switch the boiler off and on from the electrical mains using the fused spur isolation switch fitted adjacent to the ap pliance 7 10 Enabling functioning of the external temperature probe by the remote control Functioning with the external probe in the boiler must be enabled if the remote control optional is used Act on the progr...

Page 63: ...e remote control Fig 7 16 External temperature C 20 20 15 10 5 0 5 10 15 20 25 30 40 50 60 70 80 C h flow temperature C K 6 K 4 K 3 K 2 K 1 5 K 1 K 0 5 The K coefficients is a parameter that increas es or reduces the boiler flow temperature when the outside temperature changes When installing the external probe it is neces sary to set this parameter based on the effi ciency of the heating plant in...

Page 64: ...e writing P15 SEt alternates on the dis play Fig 7 20 Fig 7 20 By pressing key 14 Fig 7 17 confirmation of the inserted value is obtained Press keys 17 or 18 Fig 7 17 to exit with out changing the value Fig 7 19 Exiting the programming mode is auto matic after 15 minutes or by cutting power At this point the plant flow temperature will fol low the trend in relation to the K coefficient set However...

Page 65: ...ss button to exit from mode Fig 7 23 7 12 Setting the pump speed The pump management parameter P03 is factory set to automatic 02 In other words at the maximum speed in normal operation and at the average speed in preheating anti freeze and post circulation The parameter can be set to 00 if you want the maximum speed in any operating mode or to 01 if you want the average speed in any oper ating mo...

Page 66: ...ion of about one minute at the end of each heat request This time can be changed by a minimum of zero to a maximum of four minutes by acting on programming both from the panel controls and the remote control Enter in programming mode by pressing keys 14 17 18 Fig 7 28 for 10 seconds at the same time until the letters P01 are displayed on the LCD display indicating that parameter 01 Fig 7 29 has be...

Page 67: ...5 minutes or by cutting power Programming using the REMOTE control Press button for more than 3 seconds to enter in mode Fig 7 32 Fig 7 32 0 2 1 8 1 21 15 6 3 9 Press buttons and at the same time to enter transparent programming Fig 7 33 Fig 7 33 Press buttons or to display the PM11 program of the pump post circula tion Fig 7 34 Fig 7 34 To modify the programmed SET act on buttons or and wait for ...

Page 68: ...sing keys 17 or 18 until the letters P10 are displayed on the LCD display indicating that parameter 10 Fig 7 38 has been activated Fig 7 38 It is possible to modify parameter 10 by 00 0s to 100 510s using keys 11 or 12 each increase or reduction by a unit on the display corresponds to 5 seconds Ex 36 180 seconds The writing P10 SEt alternates on the dis play Fig 7 39 Fig 7 39 By pressing key 14 Fi...

Page 69: ... or decreased corre sponds to 2 seconds To modify the programmed SET act on but tons or and wait for the number programmed to flash Fig 7 43 Fig 7 43 To exit programming press button 7 15 Checking the ignition device With the burner on high flame close the gas cock After four ignition attempts about four min utes the boiler does not function and a code that alternates between the letter E and the ...

Page 70: ...system controls this will ensure the greatest possible fuel economy Explain the function and use of the function selector Explain and demonstrate the function of time and temperature controls if fitted Explain how to turn off the appliance for both short and long periods and advise on the pre cautions necessary to prevent damage should the appliance be inoperative when freezing conditions may occu...

Page 71: ...appertaining to the output required for the central heating requirement By pressing key 14 Fig 7 47 confirmation of the inserted value is obtained Press keys 17 or 18 Fig 7 47 to exit with out changing the value Exiting the programming mode is auto matic after 15 minutes or by cutting power 7 20 Setting record Important at the end of the setting opera tion it is important to fill update the table ...

Page 72: ...ing keys 14 17 18 Fig 7 50 for 10 seconds at the same time until the letters P01 are displayed on the LCD display and the value of the parameter 36 Activ A Plus 30C or 37 Activ A Plus 35C indicating that pa rameter 01 Fig 7 51 has been activated Fig 7 50 11 12 13 14 15 16 17 18 19 Fig 7 51 Scroll the various parameters using keys 17 or 18 until the letters P02 are displayed on the LCD display indi...

Page 73: ...ixing fork A and remove the pipe B Fig 8 1 Fig 8 1 A B C Carry out gas conversion by correctly re placing the gas restrictor Fig 8 2 refer ring to the Technical Data section page 32 Activ A Plus 30C and page 35 Activ A Plus 35C Fig 8 2 Gas restrictor Attention to reassemble repeat the operations carried out in re verse order Be careful not to damage the OR gasket of the gas pipe when inserting the...

Page 74: ...31 By pressing key 14 Fig 8 3 confirmation of the inserted value is obtained Press keys 17 or 18 Fig 8 3 to exit with out changing the value Exiting the programming mode is au tomatic after 15 minutes or by cutting power Calibrate the gas valve according to the instructions given in the Service manual section Gas valve Adjustment Reposition the controls panel and re mount the front panel of the bo...

Page 75: ...ning maintenance opening or dismantling boiler panels The En gineer should complete the Service Interval Record at the back of the manual 9 2 Programming the maintenance period Activate the clock function as described in Time Day Date setting to page 15 Enter programming mode by holding down keys 14 17 18 together for 10 seconds Fig 9 1 until the LCD display indicates the letters P01 indicating en...

Page 76: ...ce The remaining months until maintenance will be replicated in read only in the info section under value J15 N B the flashing symbol in Fig 9 5 is not an error The boiler continues to run normally but it indicates the expiry of the maintenance pe riod Fig 9 5 9 3 Dismantling the external panels Front panel Unscrew screws A and remove the front panel D by pulling it and pushing it towards the top ...

Page 77: ...l Fit the front panel D hooking it on the up per side Push the spring towards the internal side of the boiler and simultaneously push the front case panel D until it is completely hold in place Fig 9 8 step 1 2 Repeat the same operation on the opposite side of the front panel D Fig 9 8 step 3 4 Ensure that the front panel edge is close fitting to the side panels Lock in place the panel D with the ...

Page 78: ... Cleaning the condensing prima ry exchanger and the burner Removing the fan burner unit 47 in Fig 9 12 Fig 9 12 J K L 47 M N O P Q Remove the body s front panel and turn the controls panel see Dismantling the exter nal panels to page 76 Unscrew the connector L remove the fixing fork K and remove the pipe J Unhook the silencer pipe Insert a flat screwdriver in the connector re cess P and lever towa...

Page 79: ...suction de vice The burner does not require any particular maintenance just remove dust using a bristle brush More specific maintenance will be valuated and carried out by an Authorised Assistance Centre Technician Attention to reassemble repeat the operations carried out in re verse order Be careful not to damage the OR gasket of the gas pipe when inserting the pipe in Air box After any service o...

Page 80: ... Fig 9 16 Model Activ A Plus 30C Nominal heat input A E kW 25 0 Nominal efficency 97 4 Combustion efficency 98 2 Air excess n 1 23 Flue gas CO2 content 9 2 9 8 Flue gas O2 content 3 9 Flue gas CO content ppm 120 Flue gas temperature C 74 0 Values refer to tests with a an 80 mm double exhaust split by 1 1 m and natural gas G20 and a supply return heating temperature of 60 80 C Fig 9 17 Model Activ ...

Page 81: ...eter can be used to check the correct concentration of inhibitor in the heat ing water 9 16 Setting the boiler chimney sweep function With the boiler set in chimney sweep mode it is possible to exclude some boiler automatic functions making check and control opera tions easier Enter in programming mode by pressing keys 14 17 18 Fig 9 19 for 10 seconds at the same time until the letters P01 are dis...

Page 82: ...e LCD display displays the letters cP that alternate with the heating water temperature value e g 78 the chim ney sweep function is at maximum even tually range rated output in heating mode Fig 9 23 Fig 9 23 Chimney sweep function at maximum out put in domestic hot water mode Press further key 18 to vary again the out put in chimney sweep mode when the LCD display displays the letters dP that alte...

Page 83: ... 83 MAINTENANCE MAINTENANCE Fig 9 25 Winter Summer ...

Page 84: ... 84 NOTES ...

Page 85: ... 85 NOTES ...

Page 86: ...R MANUFACTURER S INSTRUCTIONS THE SYSTEM CLEANER USED THE INHIBITOR USED GAS RATE BURNER OPERATING PRESSURE IF APPLICABLE CENTRAL HEATING FLOW TEMPERATURE CENTRAL HEATING RETURN TEMPERATURE m3 hr ft hr N A mbar C C HAS A WATER SCALE REDUCER BEEN FITTED WHAT TYPE OF SCALE REDUCER HAS BEEN FITTED YES NO GAS RATE MAXIMUM BURNER OPERATING PRESSURE IF APPLICABLE COLD WATER INLET TEMPERATURE HOT WATER O...

Page 87: ... DATE SERVICE 3 ENGINEER NAME COMPANY NAME TEL No Gas Safe Register ID CARD SERIAL No COMMENTS SIGNATURE DATE SERVICE 4 ENGINEER NAME COMPANY NAME TEL No Gas SafeRegister ID CARD SERIALNo COMMENTS SIGNATURE DATE SERVICE 5 ENGINEER NAME COMPANY NAME TEL No Gas Safe Register ID CARD SERIAL No COMMENTS SIGNATURE DATE SERVICE 6 ENGINEER NAME COMPANY NAME TEL No Gas SafeRegister ID CARD SERIALNo COMMEN...

Page 88: ... 1796221000 17962 2100 0 2811 88A5 UK Biasi UK Ltd Commercial Road Leamore Enterprise Park WALSALL WS2 7NQ Sales Tel 01922 714600 Tech Service Tel 01922 714636 www biasi co uk 08 07 2011 N ...

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Biasi Activ A 30C, User Manual And Installation Instructions

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