Related Manuals for Biasi Inovia 25C
Summary of Contents for Biasi Inovia 25C
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Page 1: Installation Instructions
Wall hung, fanflue, roomsealed, high efficiency gas boiler User manual and Installation instructions Inovia Models G.C. Appl. No. Inovia 25C 47-583-32 Inovia 30C 47-583-33 Inovia 35C 47-583-34... - Page 2 This allows a gain of useful heat that otherwise would be lost. Biasi UK Ltd is a licensed member of the Benchmark Scheme which aims to improve the standards of installation and commissioning of domestic heating and hot water systems in the UK and to encourage regular servicing to optimise safety, efficiency and performance.
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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 future. 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, con- tain any hazardous materials or substances such as asbestos, mercury or C.F.C.’s. The ap- pliance packaging does not contain any substances, which may be considered a hazard to health.
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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.
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Page 7: Table Of Contents
7.17 Checking the condensate drain pipe ..74 Technical data Inovia 25C ....32 7.18 Instructing the user..... . . 74 Technical data Inovia 30C . -
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 29. 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. When pressure achieved the symbol Flue probe intervention remains on for 15 s and lockout.
- 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 d.h.w.; hP = minimum heating; cP = maximum heating;...
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Page 14: Instructions For Use
In- Warnings staller or an Approved Engineer. Biasi UK Ltd support the Benchmark initia- tive. The Benchmark Checklist is located This appliance is provided with a built in anti- at the back of this manual and should be... -
Page 15: Ignition
INSTRUCTIONS FOR USE If you experience any difficulty with the op- eration of the boiler, switch off the boiler Stand-by immediately at the fused spur isolation Hyphens are turned switch and contact your Installer or an ap- on in sequence to proved Service Engineer. -
Page 16: Circuit Temperature
INSTRUCTIONS FOR USE The display will indicate: for hour and minutes for the day of the week (1=Mon, ..., 7=Sun) Fig. 2.8 for day and month Hot water production functioning only • Press the key 14 for 2 seconds until the for the year symbol appears on the display Fig. - Page 17 INSTRUCTIONS FOR USE Signal given by the LCD display: • The heating hot water flow "set" tempera- ture and the symbol flash. The back- ground of the display is illuminated (Fig. 2.11). Fig. 2.12 Adjusting the c.h. temperature with the ex- ternal temp.
- Page 18 INSTRUCTIONS FOR USE The second zone on the other hand is man- scheduling, hold down key 11 until groups aged independently from the remote (so it al- (1÷5), (1÷6), (1÷7), (6÷7) are displayed (flash- ready has its own time brackets). ing), then confirm by pressing key 14.
- Page 19 INSTRUCTIONS FOR USE Timed manual heating function When using this function, it is possible to tem- porarily exclude the automatic programme without modifying it (see "Setting the heating time brackets for zone 1 (room/TA zone)" a pag. 17) and to activate/disable the heating Fig.
- Page 20 INSTRUCTIONS FOR USE Press key 14 (Fig. 2.19) to modify the function status: - oFF = timed manual heating function disa- bled; - ch on = timed manual heating function ac- tive; once the programming phase Fig. 2.23 has been completed, the symbols will flash;...
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Page 21: Temperature
INSTRUCTIONS FOR USE D.h.w. temperature symbol flashes (Fig. 2.26). The temperature of the d.h.w. can be adjusted by acting on keys 11 (increase) and 12 (re- duce) (Fig. 2.9) from a minimum of about 35°C to a maximum of about 60°C. Press one of the two keys once to display the "set"... - Page 22 INSTRUCTIONS FOR USE built in 3 star comfort function that the first d.h.w. draw off point is at a sufficient distance to avoid excessively hot water being delivered to the draw off point. Setting the 3 star preheating function time brackets For preheating, the scheduling will be the same for all days.
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Page 23: Extinguishing
INSTRUCTIONS FOR USE Fig. 2.34 If a long period of inactivity is envisioned: • Switch off the electricity supply to the boiler, 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. -
Page 24: 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 25: 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 26: 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 27 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...
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Page 28: 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 29: Technical Information
TECHNICAL INFORMATION TECHNICAL INFORMATION Overview Fig. 4.1 - 29 -... -
Page 30: 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 31 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...
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Page 32: Technical Data Inovia 25C
TECHNICAL INFORMATION Technical data Inovia 25C Heat input Central heating 20,0 Min/Max flow temperature settings* °C 25 - 85 Nominal net central heating BTU/h 68243 Maximum pressure 25,0 Nominal net domestic hot water BTU/h 85304 Minimum pressure 22,2 Nominal gross... - Page 33 TECHNICAL INFORMATION Gas supply pressures Flue design mbar Boiler type 2000 B23P C13 C33 C43 C53 C63 C83 Natural G20 1700 ø Coaxial 60/100 2500 ø Twin split pipes 80/80 3000 ø Roof 80/125 Propane G31 2000 Nominal heat flow rate 20,0 (A) (E) 3500...
- Page 34 TECHNICAL INFORMATION contents - domestic hot water Nominal heat input 25,0 (A) (E) content with gas G20 (range 9,3 - 9,9 min - max) content with gas G31 (range 10,0 - min - max) 10,9 Minimum heat input (A) (E) content with gas G20 (range 8,7 - 9,3 min - max)
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Page 35: Technical Data Inovia 30C
TECHNICAL INFORMATION Technical data Inovia 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 Nominal gross central heating BTU/h 94687 27,0... - Page 36 TECHNICAL INFORMATION Gas supply pressures Flue design mbar Boiler type 2000 B23P C13 C33 C43 C53 C63 C83 Natural G20 1700 ø Coaxial 60/100 2500 ø Twin split pipes 80/80 3000 ø Roof 80/125 Propane G31 2000 Nominal heat flow rate 25,0 (A) (E) 3500...
- Page 37 TECHNICAL INFORMATION contents - domestic hot water 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)
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Page 38: Technical Data Inovia 35C
TECHNICAL INFORMATION Technical data Inovia 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 27,0... - Page 39 TECHNICAL INFORMATION Gas supply pressures Flue design mbar Boiler type 2000 B23P C13 C33 C43 C53 C63 C83 Natural G20 1700 ø Coaxial 60/100 2500 ø Twin split pipes 80/80 3000 ø Roof 80/125 Propane G31 2000 Nominal heat flow rate 30,0 (A) (E) 3500...
- Page 40 TECHNICAL INFORMATION contents - domestic hot water Nominal heat input 34,0 (A) (E) content with gas G20 (range 9,3 - 9,9 min - max) content with gas G31 (range 10,0 - min - max) 10,9 Minimum heat input (A) (E) content with gas G20 (range 8,7 - 9,3 min - max)
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Page 41: Hydraulic Specifications
The by-pass is calibrated to a differential pressure of about 0.3-0.4 bar. Model Inovia 25C Pression (bar) Expansion vessel 0,50 0,45 Note: this boiler is designed for opera-... -
Page 42: General Requirements
GENERAL REQUIREMENTS GENERAL REQUIREMENTS plete a “Declaration of Conformity” to indicate compliance to I.S.813.2002. This appliance must be installed by a competent person in accordance with the Gas Safe (installation & Use) Regula- tions. Benchmark places responsibilities on both manufacturers and installers. The Related documents purpose is to ensure that customers are provided with the correct equipment for... -
Page 43: Flue System
GENERAL REQUIREMENTS the current ETCI rules for electrical instal- Pluming may easily occur at the terminal. lations. Where possible, terminal position which could cause a nuisance should be avoided. Where a room-sealed appliance is in- The minimum acceptable spacing from stalled in a room containing a bath or the terminal to obstructions and ventilation shower, any electrical switch or appli-... -
Page 44: Gas Supply
GENERAL REQUIREMENTS N Horizontally from a terminal in Air supply the same wall The room in which the boiler is installed O Above the roof pitch with roof does not require a purpose provided air slope less than or equal to 30° vent. -
Page 45: Water Circulation (C.h.)
GENERAL REQUIREMENTS at least 2.5° (45 mm/m) away from the A Boiler boiler; E Sink • the number of bends and joints should be F Open end of condensate drainage pipe kept at minimum; direct into gully below grating but above •... -
Page 46: Domestic Water
GENERAL REQUIREMENTS mum flow of 200-300 lts/hr through the main ommended that a 3 bar pressure reducing heat exchanger. valve be fitted to the incoming mains wa- If you are installing a system that includes ter supply and a mini expansion vessel in- stalled on the domestic circuit. -
Page 47: Water Treatment
GENERAL REQUIREMENTS 5.10 Water treatment ditions of the overvoltage category III. Alter- C.h. circuit natively it can be used a 3A fused three pin Where a new boiler is fitted to a new sys- plug and unswitched shuttered socket outlet both complying with BS 1363. -
Page 48: 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 49: 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 50: 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 51: 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 52: 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 53 INSTALLATION ready angled. Additional bends at 45° or 90° (Fig. 6.8 C) The following kits to be connected to the Coaxial bends Ø 60/100 mm. boiler are available: These bends when used with the pipe re- duce the maximum length of the flue pipe Wall flue exhaust kit (Fig.
- Page 54 INSTALLATION length of the pipes by: 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° Ø 125 45° Fig. 6.10 Fig. 6.11 TYPE Extensions are available for reaching the If using pipes and terminals by other manu- maximum height.
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Page 55: 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 56 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.
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Page 57: 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 58 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.
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Page 59: 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 60: 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 61: 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 62: 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 63: 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 64: 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 Inovia 25C, pag. 35 Inovia 30C and pag. 38 Inovia 35C). Fig. 7.4 •... -
Page 65: Lighting The Boiler
COMMISSIONING contents / other flue gas figures) and com- plete the 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 14 15 the boiler on for the boiler to operate on heat- Fig. -
Page 66: 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 67: 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 7.11 Setting the K coefficient of the when the outside temperature changes. - Page 68 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- matic, after 15 minutes, or by cutting power.
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Page 69: 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 70: 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 71 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 •...
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Page 72: 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 73: 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 74: Checking The Flue System
84 of this manual. Reference figures are given in the "Technical must be serviced by a competent person at Data" section (pag. 32 Inovia 25C, pag. 35 least once a year. Inovia 30C and pag. 38 Inovia 35C) of this The user is responsible for keeping the docu- manual (Flue gas figures). -
Page 75: Setting Record
17 or 18 until the letters P12 are displayed C.h. flow max tem- on the LCD display and the value of the pa- P 07 perature °C rameter (74=Inovia 25C, 78=Inovia 30C or Factory parameters 84=Inovia 35C), indicating that ”parameter P 08 reset 12”... - Page 76 LCD display and the value values. of the parameter (35=Inovia 25C, 36=Inovia • Exiting the “programming mode” is auto- 30C or 37=Inovia 35C), indicating that ”pa- matic, after 15 minutes, or by cutting power.
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Page 77: Gas Conversion
(Fig. 8.2), refer- Warnings ring to the "Technical Data" section pag. The commissioning of this boiler and 32 (Inovia 25C), pag. 35 (Inovia 30C) system must only be undertaken by a and pag. 38 (Inovia 35C). Gas Safety Registered Engineer, quali-... - Page 78 GAS CONVERSION activated. • 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.
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Page 79: 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 80: 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 81: 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 82: 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 83: Check The Pressure Of The Heating Expansion Vessel
MAINTENANCE 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. Caution: After any periodical servicing or dis- turbance the combustion chamber silicon seal Fig. -
Page 84: Checking The Flue Expulsion Pipe
MAINTENANCE 9.10 Checking the flue expulsion pipe Model Inovia 25C Have the integrity of the flue outlet pipe air in- Nominal heat input 20,0 (A) (E) take pipe, checked periodically, at least once Nominal efficency 97,4 a year. For all the above maintenance opera-... -
Page 85: Checking The Condensate Drain Pipe
MAINTENANCE The values in the tables are measured at the to page 64 of this manual. nominal useful power with factory calibration. 9.15 Water inhibitor concentration 9.12 Checking the condensate drain Where chemical products are used the level pipe of water treatment should be checked on an The condensate drain pipe 40 (Fig. - Page 86 MAINTENANCE Fig. 9.21 Chimney sweep function at minimum out- put in domestic hot water mode • Press keys 17 and 18 (Fig. 9.20) at the same time until the LCD display displays Fig. 9.23 the letters LP that alternate with the heating water temperature value (e.g.45), indicating the activation of the "chimney sweep func- Chimney sweep function at maximum out-...
- Page 87 MAINTENANCE at maximum output in domestic hot water mode" (Fig. 9.25). Fig. 9.25 • Press keys 14 - 17 - 18 (Fig. 9.20) at the same time again to exit the "chimney sweep mode" and return to the previously set boiler status (Fig.
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Page 88: List
Failure to install and commission according to the manufacturer’s instructions and complete this Benchmark Commissioning Checklist will invalidate the warranty. This does not affect the customer’s statutory rights. If yes, and if required by the manufacturer, has a water scale reducer been fitted? Condensing Boilers only The condensate drain has been installed in accordance with the manufacturer’s instructions and/or BS5546/BS6798 If the condensate pipe terminates externally has the pipe diameter been increased and weatherproof insulation fitted? -
Page 89: Service Record
service record It is recommended that your heating system is serviced regularly and that the appropriate Service Interval Record is completed. service Provider Before completing the appropriate Service Record below, please ensure you have carried out the service as described in the manufacturer’s instructions. - Page 90 NOTES - 90 -...
- Page 92 *1796221960* 17962.2196.0 1512 92A5 Biasi UK Ltd Commercial Road Leamore Enterprise Park WALSALL WS2 7NQ Sales Tel. 01922 714600 Tech. Service Tel. 01922 714636 www.biasi.co.uk...