Biasi Activ A Plus 30C User Manual And Installation Instructions
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Biasi Activ A Plus 30C User Manual And Installation Instructions

Sealed chamber fan flue gas boilers
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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

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  • Page 1: Installation Instructions

    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 Congratulations on your choice. Activ A Plus are condensing high efficiency sealed chamber fan flue gas boilers. They are fully electronically controlled and have electronic ignition. The materials they are made of and the control systems they are equipped with give you safety, a high level of comfort and energy savings to allow you to get the greatest benefit out of independent heating.

  • Page 3: Using The Boiler

    Remember that... The manual must be read thoroughly, so that you will be able to use the boiler in a safe and sensible way; must be carefully kept. It may be necessary for reference in the fu- ture. The lighting up must be carried out by competent and responsible engineer. The manufacturer •...
  • Page 4 Safe handling of substances Biasi products are manufactured in accordance with ISO 9001 and do not, and will not, contain any hazardous materials or substances such as asbestos, mercury or C.F.C.’s. The appliance packaging does not contain any substances, which may be considered a hazard to health.

  • Page 5: Installing The Boiler

    Combustion chamber panels Material: mineral fibres Known hazards - Some people can suffer reddening and itching of the skin. Fibre entry into the eye will cause foreign body irritation, which can cause severe irritation to people wearing contact lenses. Irritation to respiratory tract. Precautions - Dust goggles will protect eyes.
  • Page 6 If you are in any doubts as to the installation or operation of the boiler please read the instruction manuals thoroughly and then if necessary contact Biasi UK for advice and as- sistance.

  • Page 7: Table Of Contents

    7.18 Instructing the user..... . . 70 Technical data Activ A Plus 30C ... . . 32 7.19 Adjustment of useful c.h.

  • Page 8: Appliance Description

    APPLIANCE DESCRIPTION APPLIANCE DESCRIPTION Overview Isolation valves The model and serial number of the boiler are printed on bottom right side. Fig. 1.2 2 Gas supply label 3 C.h. flow valve Fig. 1.1 4 D.h.w. outlet valve 5 Gas inlet valve 1 Controls panel 6 D.c.w.

  • Page 9: Controls Panel

    APPLIANCE DESCRIPTION Controls panel RESET that takes all parameters back to the factory value occurs only 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).

  • Page 10: Lcd General Features

    APPLIANCE DESCRIPTION Indicate the status LCD general features of the scheduling re- For the boiler technical informations refer to quest the section "TECHNICAL INFORMATION" Flashing: to page 28. comfort program in process; reduced pro- gram in process; The day of the week is displayed high- lighting the number with the following...
  • Page 11 APPLIANCE DESCRIPTION The ignition of the key, the arrow, M, Indicated boiler and the month (1 or pressure 2) indicates the next due date for mainte- Constantly illuminat- nance. ed: remote control The flashing of the connected symbol, the arrow, M Flashing: request and 0 indicates that...
  • Page 12 APPLIANCE DESCRIPTION FUNCTION FUNCTION In the case of incorrect Faulty external temp. pressure the value is probe NTC (with K set) visualised with a flash- Faulty flue temp. probe ing symbol NTC (if present) When pressure achieved the symbol Flue probe intervention remains on for 15 s and lockout (if present) then disappears.
  • Page 13 APPLIANCE DESCRIPTION FUNCTION Delayed burner ignition for setting the system (the hourglass symbol turns on) Boiler 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...

  • Page 14: Instructions For Use

    In the case of incorrect pressure the value is visualised with a flashing symbol (Fig. 2.2). Warnings high pressure: > 2.8 bar ON, 2.6 bar Biasi UK Ltd support the Benchmark OFF; initiative. The Benchmark Log Book is intermediate pressure: located at the back of this manual and 0.15 <...

  • Page 15: Ignition

    INSTRUCTIONS FOR USE Control valve Double check valve Temporary connection Supply pipe (cold water inlet) Control valve C.h. return pipe Fig. 2.1 • Open the valves of the filling loop and Open watch the display until it reaches normal position filling pressure as shown in Fig.
  • Page 16 INSTRUCTIONS FOR USE the display indicates the symbol. Use keys 17 (decrease) and 18 (increase) Fig. 2.7 to set the time, day and date values, using keys 11 and 12 to move from one pa- rameter to the next. Press key 19 briefly to save the values en- tered and the display will indicate OK to confirm (Fig.

  • Page 17: Circuit Temperature

    INSTRUCTIONS FOR USE ature (primary circuit) and the symbol; Your qualified installer can recommend the symbol slowly flashes Fig. 2.10. 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 Fig.
  • Page 18 INSTRUCTIONS FOR USE controlled by the ambient thermostat and the other by the remote control it is possible to have two different heat delivery tempera- tures. The heating temperature of the zone valve controlled by a thermostat is configured on Fig.

  • Page 19: Temperature

    INSTRUCTIONS FOR USE by key 18 and confirm by pressing key 14. Repeat this sequence for P2 on and P2 off, ..., P4 on and P4 off, for every day or group of days selected (Fig. 2.16). Fig. 2.18 To exit programming, hold down key 19 for 5 seconds (all changes will be saved) or wait 60 seconds.

  • Page 20: Star Preheating Function

    INSTRUCTIONS FOR USE 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). Fig. 2.19 When the symbol flashes, the function Adjustment is in process.
  • Page 21 INSTRUCTIONS FOR USE keys 11 and 19 for 5 seconds (Fig. 2.23) begin to flash. until the LCD display indicates the symbols shown in Fig. 2.22. 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.

  • Page 22: Extinguishing

    INSTRUCTIONS FOR USE to paragraph 1.3 to page 9. Extinguishing Press the key for 2 seconds 14 (Fig. 2.27) until the symbol appears on the display (Fig. 2.28). Close position Fig. 2.29 • If necessary, empty the hydraulic circuits see section "Emptying the d.h.w. system" 14 15 to page 77 and section "Emptying the c.h.

  • Page 23: Useful Advice

    USEFUL ADVICE USEFUL ADVICE Central Heating For reasonably economical service install a room thermostat. Never shut off the radia- tor in the area where the room thermostat Fig. 3.2 is installed. If a radiator (or a convector) does not heat Therefore, when the boiler is not lit and up, check that no air is present in it and that used in cold weather, with consequent risk...

  • Page 24: External Cleaning

    USEFUL ADVICE advised to have the following checks car- ried out: • domestic hot water heat exchanger; • condensing heat exchanger • burner; • exhaust fume duct and flue; • pressurisation of the expansion tank; Fig. 3.3 • filling up of the central heating circuit; •...

  • Page 25: Displaying In Info Mode

    USEFUL ADVICE Another possible signal occurs when the Water comes out of the pressure relief d.h.w. exchanger cannot exchange all of the valve power supplied by the boiler. Check on the pressure gauge that the pres- E.g.: d.h.w. exchanger clogged with lime sure in the central heating circuit is not scale.
  • Page 26 USEFUL ADVICE so that the causes can be understood. The table summarises the possible values visible in INFO mode. In order to access the INFO mode, press Value visualised Index key 16 (Fig. 3.6) the index J00 and the val- Primary circuit pressure J00 + value ue of the parameter appear on the display...

  • Page 27: Remote Anomaly Code

    USEFUL ADVICE Remote anomaly code Flue probe If the boiler is connected to remote (option- The flue probe 22 and safety thermal fuse al), a code that indicates a boiler anomaly is 28 indicated in Fig. 3.8 are a safety device. displayed in the centre of the display.

  • Page 28: Technical Information

    TECHNICAL INFORMATION TECHNICAL INFORMATION Overview Fig. 4.1 - 28 -...

  • Page 29: Main Diagram

    TECHNICAL INFORMATION Main diagram Fig. 4.2 23 C.h. temperature probe NTC (delivery) 3 C.h. flow valve 4 D.h.w. outlet valve 24 C.h. temperature probe NTC (return) 5 Gas inlet valve 25 Condensing heat exchanger 6 D.c.w. inlet valve 26 Safety thermostat 7 C.h.
  • Page 30 TECHNICAL INFORMATION 33 Pump vent plug 34 Gas valve 35 Gas valve inlet test point 36 D.h.w. inlet temperature probe NTC 37 D.h.w. outlet temperature probe NTC 38 Control box containing: External temperature probe terminal block, remote terminal block, d.h.w tank terminal block, power supply terminal block, external controls terminal block 39 Primary circuit pressure switch...

  • Page 31: Hydraulic Specifications

    The height difference between the pressure relief valve and the highest point in the sys- Models Activ A Plus 30C - Activ A Plus tem may be 10m at most. For greater differences, increase the pre- load pressure in the expansion vessel and Pression (bar) the system, when cold, by 0.1 bar for each...

  • Page 32: Technical Data Activ A Plus 30C

    TECHNICAL INFORMATION Technical data Activ A Plus 30C Heat input Central heating 25,0 Min/Max flow temperature settings* °C 25 - 85 Nominal net central heating BTU/h 85304 30,0 Maximum pressure Nominal net domestic hot water BTU/h 102364 27,8 Minimum pressure...
  • Page 33 TECHNICAL INFORMATION Gas supply pressures Electrical data Voltage mbar Frequency 2000 Power consumption Natural G20 1700 2500 Protection degree IPX5D 3000 External fuse rating Propane G31 2000 N° 2 - 2 Internal fuse rating 3500 Flue design Gas rate maximum - central heating Boiler type Natural G20 2,65...
  • Page 34 TECHNICAL INFORMATION contents - central heating Nominal heat input 25,0 (A) (E) content with gas G20 (range 9,2 - 9,8 min - max) content with gas G31 (range 9,9 - min - max) 10,8 Minimum heat input (A) (E) content with gas G20 (range 8,7 - 9,3 min - max) content with gas G31 (range...

  • Page 35: Technical Data Activ A Plus 35C

    TECHNICAL INFORMATION Technical data Activ A Plus 35C Heat input Central heating 30,0 Min/Max flow temperature settings* °C 25 - 85 Nominal net central heating BTU/h 102364 34,0 Maximum pressure Nominal net domestic hot water BTU/h 116013 33,3 Minimum pressure Nominal gross central heating BTU/h 113624...
  • Page 36 TECHNICAL INFORMATION Gas supply pressures Electrical data Voltage mbar Frequency 2000 Power consumption Natural G20 1700 Protection degree IPX5D 2500 3000 External fuse rating Propane G31 2000 N° 2 - 2 Internal fuse rating 3500 Flue design Gas rate maximum - central heating Boiler type Natural G20 3,17...
  • Page 37 TECHNICAL INFORMATION contents - central heating Nominal heat input 30,0 (A) (E) content with gas G20 (range 9,2 - 9,8 min - max) content with gas G31 (range 9,9 - min - max) 10,8 Minimum heat input (A) (E) content with gas G20 (range 8,7 - 9,3 min - max) content with gas G31 (range...

  • Page 38: General Requirements

    GENERAL REQUIREMENTS GENERAL REQUIREMENTS Location of appliance Our Company supports the Benchmark The appliance may be installed in any room initiative. The Benchmark Log Book is or internal space, although particular atten- located at the back of this manual and tion is drawn to the requirements of the cur- should be completed by the Installing/ rent I.E.E.

  • Page 39: Gas Supply

    GENERAL REQUIREMENTS H From external corners discharges into an other room or space as Above ground or balcony lev- an outhouse or lean-to. It is important that el*** the position of the terminal allows a free J From a next door boundary 2500 passage of air across at all times.

  • Page 40: Air Supply

    GENERAL REQUIREMENTS is available both to the boiler and the other with a 75 mm seal to comply with BS 6798: appliance when they are in use at the same 2008. time. The schematic diagrams of possible con- nections are given in Fig. 5.2 and Fig. 5.3. Pipework must be of adequate size.

  • Page 41: Water Circulation (C.h.)

    GENERAL REQUIREMENTS to avoid freezing. Connection of condensate drainage pipe downstream of a sink waste trap Particular attention should be paid to pipes passing through ventilated spaces in roofs and under floors. Condensate drain 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...

  • Page 42: Domestic Water

    GENERAL REQUIREMENTS turn valve, without the approval of the Local premature scaling of the heat exchanger. Water Authority. Domestic water Mains water feed: hot water supply The domestic section of the boiler is de- The domestic water installation must be in signed to withstand an internal domestic accordance with the relevant recommenda- water pressure of 10 bar.
  • Page 43 GENERAL REQUIREMENTS carried out by a competent person and be in accordance with the current I.E.E. Regula- tions and any local regulations which apply. Reference should be made to the current ETCI rules for electrical installations. For Ireland (IE), refer to I.S.813.2002. The boiler is supplied for connection to a 230 V~ 50 Hz supply.

  • Page 44: Installation

    INSTALLATION INSTALLATION The electrical wiring must conform with cur- rent Regulations, in particular: Warnings • the boiler must be earthed using the cor- The use of gas appliances is rect bonding clamp. subject to statutory control; it is • a fused spur isolation switch, must be in- essential to observe the current stalled near to the boiler that allows com- regulations and laws in force...

  • Page 45: Installing The Bracket

    INSTALLATION 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. Installing the bracket Precautions Before mounting the bracket, check that the dimensions for fitting the exhaust fume duct are complied with (refer to the leaflet includ- ed with the flue kit, packed separately).

  • Page 46: Overall Dimensions

    INSTALLATION Overall dimensions Joints The boiler respects the following dimen- The boiler uses the following fittings: sions: Pipe sizes Functions (o.d) Ø80 Ø80 Ø80 Gas, c.h. return, c.h. flow ø 22 D.c.w. inlet ø 15 Ø100 D.h.w. outlet ø 15 Pressure relief valve ø...

  • Page 47: Fitting The Flue System

    INSTALLATION 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);...

  • Page 48: Choice Of Flu

    INSTALLATION CORRECT system for installing INCORRECT system for installing Fig. 6.6 Fig. 6.7 A = air intake A = air intake S = flue exhaust S = flue exhaust Choice of flu The flue exhaust/air intake can be installing in the mode: Refer to the sheet provided with the pre- selected kit, in separate packaging.
  • Page 49 INSTALLATION ready angled. These bends when used with the pipe re- The following kits to be connected to the duce the maximum length of the flue pipe boiler are available: For the bend of 45° loss 0,5 m Wall flue exhaust kit (Fig. 6.8 A) For the bend of 90°...
  • Page 50 INSTALLATION Type C For the bend of 45° loss 0,9 m For the bend of 90° loss 1,65 m 90° Type C 90° 45° 45° Ø 125 Fig. 6.10 Fig. 6.11 TYPE If using pipes and terminals by other manu- Extensions are available for reaching the facturers (Type C ), it is necessary that...

  • Page 51: Electric Connection

    INSTALLATION 90° =--- 0,85 m ø 60 mm 45° =--- 0,65 m 90° =--- 1 m ø 60/100 mm 45° =--- 0,5 m Fig. 6.12 In the last section, the fumes are expelled through a vertical section. Extensions and elbows can be added to ex- tend the kit’s length.
  • Page 52 INSTALLATION Remote External Probe Electric power supply Fig. 6.14 Electric power supply connection Ambient • Connect the electric power supply ca- thermostat ble coming from the fused spur isolation switch to the power supply terminal block of the boiler Fig. 6.15 keeping the same Fig.

  • Page 53: Connecting The Room Thermostat Or Zone Valves

    INSTALLATION Allow the cables to exit the boiler by using the relevant cable clamps Y (Fig. 6.17). Potential clean contacts of the Ambient Thermostat Fig. 6.18 Room thermostat (230V rating) Fig. 6.17 6.10 Connecting the room thermo- Fig. 6.19 stat or zone valves Use the clamps indicated in Fig.
  • Page 54 INSTALLATION Connecting the zone valves controlled Connection of a remote controlled zone by the ambient thermostat valve Connecting a zone valve to the terminal of the auxiliary card and the remote control to Ambient the specific terminals it is possible to control Thermostat this zone with the same remote control.

  • Page 55: External Frost Protection

    INSTALLATION 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. Frost Thermostat (230V rating) 14 15...

  • Page 56: Installation Of The External Temperature Probe

    INSTALLATION 6.12 Installation of the external temperature probe (optional) The external probe must be installed on the external wall of the building avoiding: • Direct radiation of solar rays. Remote • Humid walls or walls subject to the forma- tion of mildew. •...

  • Page 57: Example Of Hydraulic Plants With Hydraulic

    INSTALLATION The route of the remote control cable must Hydraulic plant examples follow the route indicated in Fig. 6.16. Allow the cables to exit the boiler by using Top zone + low temperature zone. the relevant cable clamps Y (Fig. 6.17). External probe 6.15 Example of hydraulic plants with hydraulic separator...

  • Page 58: Commissioning

    COMMISSIONING COMMISSIONING appliance for leaks. Warnings The commissioning of this boiler and sys- tem must only be undertaken by a Gas Safety registered engineer in accordance with the requirements of the Gas Safe In- stallation and Use Regulations and be ap- proved by Gas Safe.

  • Page 59: Condensate Pipe And Traps

    COMMISSIONING • Replace the pump plug. • Continue filling the system. The actual read- ing should ideally be 1,3 bar and not less than 0,3 bar. • Close all air release valves on the c.h. sys- tem. • Inspect the boiler and the system for water tightness and remedy any leaks discovered.

  • Page 60: Checking The Gas Supply Pressure

    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- tion (pag. 32 Activ A Plus 30C and pag. 35 Activ A Plus 35C). Fig. 7.4 •...

  • Page 61: Lighting The Boiler

    COMMISSIONING Certificate of Exemption section of the Benchmark. Important: after the checks all of the test points must be sealed. Lighting the boiler Some products incorporate an anti cycling time delay. It is normal when first switching the boiler on for the boiler to operate on heat- 14 15 ing for a few seconds then switch off.

  • Page 62: Enabling Functioning Of The External Temperature Probe By The Remote Control

    COMMISSIONING If after four ignition attempts (about four min- • Press button for more than 3 seconds to utes) the boiler does not function and a code enter in mode. that precedes the letter E and the writing RE- SET appear on the LCD display, it indicates that the safety lock-out has stopped the boiler.

  • Page 63: Setting The K Coefficient Of The External Temperature Probe

    COMMISSIONING displayed, wait for the number programmed C.h. flow temperature °C to flash (Fig. 7.14). K=1,5 K=0,5 Fig. 7.14 External temperature °C Fig. 7.16 • To exit programming, press button . The K coefficients is a parameter that increas- es or reduces the boiler flow temperature when the outside temperature changes.
  • Page 64 COMMISSIONING 14 15 Fig. 7.17 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- Fig.

  • Page 65: Setting The Pump Speed

    COMMISSIONING 7.12 Setting the pump speed The temperature trend when changing the setting made with keys 17 and 18 for a K 1,5 The pump management parameter (P03) is is shown in Fig. 7.21. factory set to automatic (02). In other words, at the maximum speed in normal operation Sequence for setting the K coefficient with and at the average speed in preheating, anti-...

  • Page 66: Setting The Pump Post-Circulation

    COMMISSIONING eter, indicating entry in “parameter 03” (Fig. and the remote control. 7.26). • 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"...
  • Page 67 COMMISSIONING display corresponds to 2,5 seconds). Ex. 17=42 seconds. • The writing P11 - SEt alternates on the dis- play (Fig. 7.31). Fig. 7.33 • Press buttons to display the "PM11" program of the pump post-circula- tion (Fig. 7.34). Fig. 7.31 •...

  • Page 68: Selecting The Reignition Frequency

    COMMISSIONING 7.14 Selecting the reignition fre- quency When the boiler functions in normal on/off heating mode, the minimum time between two ignitions is set at three minutes (re-ignition fre- quency). Fig. 7.38 This time can be changed by a minimum of zero to a maximum of eight and a half minutes •...

  • Page 69: Checking The Ignition Device

    COMMISSIONING minutes. Each step increased or decreased corre- sponds to 2 seconds. • To modify the programmed SET, act on but- tons and wait for the number programmed to flash (Fig. 7.43). Fig. 7.40 • Press buttons at the same time to enter transparent programming (Fig.

  • Page 70: Checking The Flue System

    80 of this manual. Reference figures are given in the "Technical must be serviced by a competent person at Data" section (pag. 32 Activ A Plus 30C and least once a year. pag. 35 Activ A Plus 35C) of this manual (Flue The user is responsible for keeping the docu- gas figures).

  • Page 71: Setting Record

    Gas type P 05 the LCD display and the value of the param- P 06 --------------- Not used eter (79=Activ A Plus 30C or 86=Activ A Plus C.h. flow max tem- 35C), indicating that ”parameter 12” (Fig. P 07 perature °C 7.48) has been activated.
  • Page 72 P01 are matic, after 15 minutes, or by cutting power. 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.

  • Page 73: Gas Conversion

    (Fig. 8.2), refer- Warnings ring to the "Technical Data" section page The commissioning of this boiler and 32 (Activ A Plus 30C) and page 35 (Activ system must only be undertaken by a A Plus 35C). Gas Safety Registered Engineer, quali-...
  • Page 74 GAS CONVERSION • 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 body.

  • Page 75: Maintenance

    MAINTENANCE MAINTENANCE Warnings The procedures detailed in this chapter must be carried out only by a Gas Safety Reg- istered Engineer. Thus you are advised to contact an Authorised Service Agent. For Ireland (IE), the servicing work must be carried out by a competent Person. For efficient and continuous operation of the 14 15 boiler you are advised to have, at least once...

  • Page 76: Dismantling The External Panels

    MAINTENANCE panel D by pulling it and pushing it towards the top so that it is freed from the top hous- ings (Fig. 9.6). Side panels Loosen screws "B - F" and "C - H" in Fig. 9.6 and remove the two side panels E and G by pulling towards the outside.

  • Page 77: Reassembly The External Panels

    MAINTENANCE Control panel Turn the controls panel I, as shown in figure Fig. 9.7, to access in an optimal manner the components inside the boiler. Fig. 9.7 Fig. 9.8 Reassembly the external panels Emptying the d.h.w. system Side panels Fit the external panels E and G in the reverse •...

  • Page 78: Emptying The C.h. System

    MAINTENANCE Cleaning the condensing prima- • Turn on the hot water taps and any drain ry exchanger and the burner cocks. Removing the fan burner unit 47 in Fig. 9.12. Emptying the c.h. system • Close the c.h. isolating valves (3 and 7 in Fig.

  • Page 79: Check The Pressure Of The Heating Expansion Vessel

    MAINTENANCE • The silicon gasket on the front panel of the the burner body), brush them using a bristle combustion chamber Fig. 9.13 has to be brush and remove the dirt using a suction de- changed when deteriorated and in any case vice.

  • Page 80: Checking The Flue Expulsion Pipe

    MAINTENANCE 9.10 Checking the flue expulsion pipe Model Activ A Plus 30C Have the integrity of the flue outlet pipe air in- Nominal heat input 25,0 (A) (E) take pipe, checked periodically, at least once Nominal efficency 97,4 a year. For all the above maintenance opera-...

  • Page 81: Visual Inspection Of Appliance

    MAINTENANCE 9.16 Setting the boiler chimney Unscrew the plug to clean inside the pipe. 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. •...
  • Page 82 MAINTENANCE tually range rated) output in heating mode (Fig. 9.23). Fig. 9.21 Chimney sweep function at minimum out- Fig. 9.23 put in heating mode • By pressing 18 (Fig. 9.19) it is possible to Chimney sweep function at maximum out- change power in chimney sweep mode: with put in domestic hot water mode the letters hP on the LCD display which al-...
  • Page 83 MAINTENANCE Winter Summer Fig. 9.25 - 83 -...
  • Page 84 NOTES - 84 -...
  • Page 85 NOTES - 85 -...

  • Page 86: Gas Boiler Commissioning Checklist

    BENCHMARK No. GAS BOILER COMMISSIONING CHECKLIST BOILER SERIAL No. NOTIFICATION No. CONTROLS To comply with the Building Regulations, each section must have a tick in one or other of the boxes TIME & TEMPERATURE CONTROL TO HEATING ROOM T/STAT & PROGRAMMER/TIMER PROGRAMMABLE ROOMSTAT TIME &...

  • Page 87: Service Interval Record

    SERVICE INTERVAL RECORD It is recommended that your heating system is serviced regularly and that you complete the appropriate Service Interval Record Below. Service Provider. Before completing the appropriate Service Interval Record below, please ensure you have carried out the service as described in the boiler manufacturer’s instructions.
  • Page 88 *1796221000* 17962.2100.0 2811 88A5 Biasi UK Ltd Commercial Road Leamore Enterprise Park WALSALL WS2 7NQ Sales Tel. 01922 714600 Tech. Service Tel. 01922 714636 www.biasi.co.uk...

This manual is also suitable for:

Activ a plus 35c

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