Wall hung, fanflue, roomsealed, high efficiency gas boiler User manual and Installation instructions Inovia ERP Models G.C. Appl. No. Inovia 25S ERP 41-583-30...
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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.
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 •...
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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.
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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.
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.
APPLIANCE DESCRIPTION APPLIANCE DESCRIPTION 2 Gas supply label 3 C.h. flow valve Overview 4 Gas inlet valve 5 C.h. return valve The model and serial number of the boiler 6 Condensate drain pipe are printed on bottom right side. 7 Main circuit drain valve 8 C.h.
APPLIANCE DESCRIPTION LCD general features heating flow timer) 18 LCD display For the boiler technical informations refer to the section "TECHNICAL INFORMATION" to page 24. 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.
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APPLIANCE DESCRIPTION The ignition of the INFO menu input key, the arrow, M, enabled. and the month (1 or Indicate the status 2) indicates the next of the scheduling re- due date for mainte- quest. nance. Flashing: The flashing of the comfort program symbol, the arrow, M in process;...
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APPLIANCE DESCRIPTION Constantly illuminat- FUNCTION ed: remote control connected. Flame detection error Flashing: request (An flashing + error from remote control flashing number). in process. Constantly illuminat- ed: pump active. Faulty c.h. temp. probe The icon remains on NTC (return). for post-circulation.
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APPLIANCE DESCRIPTION FUNCTION FUNCTION In the case of incorrect Boiler chimney pressure the value is sweep in function. visualised with a flash- The activation of the ing symbol. chimney sweep occurs When pressure configuring the "param- achieved the symbol eter P09=01" and is remains on for 15 s and visualized: then disappears.
Warnings Installer or an Approved Engineer. Biasi UK Ltd support the Benchmark This appliance is provided with a built in anti- initiative. The Benchmark Checklist is freeze system that operates the boiler when located at the back of this manual and the temperature is below 5 °C.
INSTRUCTIONS FOR USE If you experience any difficulty with the operation of the boiler, switch off the Stand-by boiler immediately at the fused spur iso- Hyphens are turned lation switch and contact your Installer on in sequence to or an approved Service Engineer. simulate running Air introduced into the boiler during this fill- ing process will vent through the automatic...
INSTRUCTIONS FOR USE To exit programming, hold down key 17 for 5 Signal given by the LCD display: seconds (all changes will be saved) or wait • The heating hot water flow "set" temper- 60 seconds. ature and the symbol flash.
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INSTRUCTIONS FOR USE Adjusting the c.h. temperature with the must be obtained. external temp. probe installed When the external temp. probe (optional) N.B.: The scheduling of the heating brackets is installed your boiler automatically adjusts does not affect possible requests for system the temperature of the c.h.
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INSTRUCTIONS FOR USE 15 (decrease) to programme the first on time (P1 on). To confirm once time has been set press key 17 (ok). Press key 12 to go back to days which will be flashing. Press key 9 to scroll to (1-7) and screen will show (P1 off).
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INSTRUCTIONS FOR USE Press keys 9 or 10 (Fig. 2.16) to programme the forced heating function Minimum 1 hour to Maximum 30 days (The above example has been set for ch on for 1 day) (Fig. 2.19). Fig. 2.19 12 13 Press key 17 briefly to save (Fig.
INSTRUCTIONS FOR USE Fig. 2.21 To exit programming without making any changes press key 15 and 16 (Fig. 2.16) at the same time for 2 seconds or wait 60 sec- onds. Extinguishing Close Press the key for 2 seconds 12 (Fig. 2.22) position until the symbol appears on the...
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...
USEFUL ADVICE • condensing heat exchanger; may be necessary to repeat the resetting • burner; operation several times so as to remove the • exhaust fume duct and flue; air present in the pipe work. • pressurisation of the expansion tank; Safety lock-out may occur even in case of a •...
USEFUL ADVICE The pressure has gone down ue of the parameter appear on the display It is necessary to top up the appliance with (Fig. 3.6). water again, so as to raise the pressure to an adequate level as described in the sec- tion "Refilling procedure"...
TECHNICAL INFORMATION Hydraulic specifications additional 1 m. The hydraulic specifications represents the Total capacity pressure (available head for the central heating system) as a function of the flow Pre-load pressure rate. Useful capacity Pression (bar) 0,50 Maximum volume of water in 0,45 the system * 0,40...
TECHNICAL INFORMATION Technical data Inovia 25S ERP Heat input Central heating 25,0 Min/Max flow temperature settings* °C 25 - 85 Nominal net (A) BTU/h 85304 27,8 Maximum pressure Nominal gross BTU/h 94687 Minimum pressure Minimun net BTU/h 20473 23,0 Available head (in 1000 l/h)
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TECHNICAL INFORMATION Ø mm Flue gas figures Gas restrictors references /100 Nominal heat input 25,0 (A) (E) Natural G20 content with gas G20 9,0 -9,8 Propane G31 content with gas G20 Air/gas mixer restrictors CO content with gas G20 238,0 Fuch- Exhaust temperature °C...
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TECHNICAL INFORMATION Model(s): Inovia 25S ERP Condensing boiler: Low-temperature boiler (**): B1 boiler: Cogeneration space heater: If yes, equipped with a supplementary heater: Combination heater: Item Symbol Value Unit Item Symbol Value Unit Seasonal space heating Rated heat output η...
GENERAL REQUIREMENTS GENERAL REQUIREMENTS competent person in accordance with the Gas Safe (installation & Use) Regula- tions. Related documents The installation of this appliance must be in Benchmark places responsibilities on accordance with the relevant requirements both manufacturers and installers. The of the current Gas Safe (Installation &...
GENERAL REQUIREMENTS should be so situated that it cannot be touched by a person using the bath or shower. The location must permit the provision of an adequate flue and termination. For unusual locations special procedures may be necessary and BS 6798 gives de- tailed guidance on this aspect.
GENERAL REQUIREMENTS lation for cooling for this particular product. Q From, above or to side of an However consideration must be given to opening clearance requirements for maintenance (section "Precautions for installation" to * Wherever practicable to do so, the flue page 36) and under no circumstances must should be extended beyond the perim- stored articles be allowed to come into con-...
GENERAL REQUIREMENTS For Ireland (IE), refer to I.S.813.2002. Connection of condensate drainage pipe to internal soil and vent stack. Pipework Copper tubing to BSEN 1057 is recom- mended for water pipes. Jointing should be Condensate either with capillary soldered or with com- drain pression fittings.
GENERAL REQUIREMENTS Expansion vessel completion, to ensure flux residues, swarfs, The appliance has an integral sealed expan- oils and other installation debris is removed. sion vessel to accommodate the increase of Where a new boiler is fitted to an existing water volume when the system is heated.
INSTALLATION INSTALLATION drain must be connected to a suitable drain, or discharge in a safe manner. Warnings The electrical wiring must conform with cur- rent Regulations, in particular: The use of gas appliances is • the boiler must be earthed using the cor- subject to statutory control;...
INSTALLATION tralising gases present in the water. We recommend the use of a suitable uni- versal inhibitor 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).
INSTALLATION CORRECT system for installing • Connect the pipe 8 (Fig. 6.4) from the pressure relief valve to the safety dis- charge pipework. • Fit the condensate drain 6 (Fig. 6.4) in to the drainage pipework. • See also section 5.7 in this manual. Fig.
INSTALLATION INCORRECT system for installing Wall flue exhaust kit (Fig. 6.8 A) Type C 90° 45° Fig. 6.8 Coaxial pipe Ø 60/100 mm with a nominal length of 915 mm. This kit allows the flues to be exhausted in the rear wall or at the side of the boiler. The minimum length of the pipe must be no less than 0.5 m, whilst the maximum with Fig.
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INSTALLATION Exhaust intake split pipes kit Ø 80 mm Type C (Fig. 6.9) - (Fig. 6.10) - (Fig. 6.11) This kit allows the flue exhaust to be sepa- rated from the air intake. The terminals can be inserted in the rele- vant chimneys planned for such purpose, or discharge fumes or pick up air directly from the wall.
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INSTALLATION Useful static pres- sure at nominal heat 25 kW input Overheated flue 25 kW °C Maximum recircula- 90° =--- 0,85 m tion of CO in the 25 kW 0,95 ø 60 mm suction duct 45° =--- 0,65 m Roof flue exhaust kit (Fig. 6.12) 90°...
INSTALLATION 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. 90° =--- 0,85 m Electric connection ø 60 mm •...
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INSTALLATION • Identify the terminal block cover lid "R" (Fig. 6.17) and open it. Remote External Probe Electric power supply Fig. 6.17 Ambient Electric power supply connection thermostat • Connect the electric power supply ca- ble coming from the fused spur isolation switch to the power supply terminal block Fig.
INSTALLATION Room thermostat (230V rating) Fig. 6.22 Fig. 6.20 Room thermostat with delay resistor (230V rating) 6.10 Connecting the room thermo- stat or zone valves Use the clamps indicated in Fig. 6.18 to connect the ambient thermostat. Remove the electric jumper present be- tween “1 and 3”...
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INSTALLATION Connecting the zone valves controlled this zone with the same remote control. by the ambient thermostat Moreover, should another zone controlled by an ambient thermostat be present it is possible to regulate both zones with a dif- Ambient ferent delivery temperature. Thermostat In order to achieve this setting it is neces- sary to enter into the programming (load en-...
INSTALLATION Auxiliary card Frost thermostat (230V rating) terminal board Room thermostat Zone with anticipating valve resistor L (NO) (230V rating) L (NC) Fig. 6.27 Fig. 6.29 To remotely connect utilise the terminals in- dicated in Fig. 6.32. 6.12 Connecting a system boiler to a cylinder 6.11 External frost protection Two schematic wiring diagrams are given in...
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INSTALLATION supply. In this case, when the boiler is switched off some important features like the antifreeze system, the monitoring of the boiler by the operation lights, the post circulation of the pump, etc. are completely deactivated. For these reasons it is advisable to use the first diagram (Fig.
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INSTALLATION Cylinder Room thermostat thermostat GRYE Electric supply Room thermostat Frostat terminal block HW ON HW OFF MAINS Programmer 230V a.c. Switched 3 Amp fused, spur Mid- position diverter valve GRYE Room thermostat Cylinder thermostat 10 way junction box MAINS 230V a.c.
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INSTALLATION Cylinder Room thermostat thermostat GRYE Electric supply Room thermostat Frostat terminal block HW ON HW OFF MAINS Programmer 230V a.c. Switched 3 Amp fused, spur Mid--- position diverter valve GRYE Room thermostat Cylinder thermostat 10 way junction box MAINS 230V a.c.
INSTALLATION 6.13 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. • Humid walls or walls subject to the forma- Remote tion of mildew. •...
INSTALLATION Hydraulic plant examples Allow the cables to exit the boiler by using the relevant cable clamps S (Fig. 6.20). Top zone + low temperature zone. 6.16 Example of hydraulic plants External probe with hydraulic separator (optional) The hydraulic separator creates a reduced load loss zone that renders the primary cir- cuit and secondary circuit hydraulically in- dependent.
COMMISSIONING COMMISSIONING 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. Ensure that the Benchmark Checklist is satisfactorily completed during the com- missioning process.
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COMMISSIONING INHIBITION (Primary Heating Circuit) breather pipe exchanger 19 in Fig. 7.3 con- nect a small draining pipe to the hose nozzle On the final refilling of the heating system it to drain water out. is important to ensure the system water is treated with a suitable scale and corrosion in- hibitor in accordance with the manufacturers instructions.
An alternative, to the removal of the flue el- pressure table in the "Technical Data" sec- bow, pour the water through the flue sampling tion (pag. 28 Inovia 25S ERP. point (Fig. 7.8). • Close well the pressure point 32 in Fig. 7.9.
12 13 limits for the boiler is given in "Technical Fig. 7.11 Data" section pag. 28 Inovia 25S ERP: CO contents / other flue gas figures) and com- The LCD display displays the boiler tempera- plete the Certificate of Exemption section...
COMMISSIONING Enabling functioning of the heating mode. external temperature probe by • Check the gas pressures and flow rates as shown in section "GAS CONVERSION" to the remote control page 67 of this booklet. Functioning with the external probe in the •...
COMMISSIONING C.h. flow temperature °C K=4 K=3 K=1,5 K=0,5 Fig. 7.16 External temperature °C Fig. 7.18 • Modify the programmed SET by acting on If the boiler is EQUIPED with the remote con- buttons until a setting of 60 is trol (optional) refer to Fig.
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COMMISSIONING keys 12 - 15 - 16 (Fig. 7.20) for 10 seconds at the same time until the letters P01 are displayed on the LCD display, indicating that "parameter 01, has been activated (Fig. 7.21). Fig. 7.23 • By pressing key 12 (Fig. 7.20) confirmation of the inserted value is obtained.
COMMISSIONING setting made with keys 15 and 16 for a K 1,5 This time can be changed by a minimum of is shown in Fig. 7.24. zero to a maximum of four minutes by acting on programming both from the panel controls Sequence for setting the K coefficient with and the remote control.
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COMMISSIONING display corresponds to 2.5 seconds). Ex. 17=42 seconds. • The writing P11 - SEt alternates on the dis- play (Fig. 7.30). Fig. 7.32 • Press buttons to display the "PM11" program of the pump post-circula- tion (Fig. 7.33). Fig. 7.30 •...
COMMISSIONING 7.12 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. 7.37 This time can be changed by a minimum of zero to a maximum of eight and a half minutes •...
COMMISSIONING 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. 7.42). Fig. 7.39 • Press buttons at the same time to enter transparent programming (Fig. 7.40).
Useful output (kW) Hand over this combined User & Installation manual and the Service manual to the end Inovia 25S ERP user and explain how to use the unit in both c.h. and d.h.w. modes. Take the User step by step through the lighting instructions.
16 until the letters P12 are displayed on C.h. flow max temper- the LCD display and the value of the param- P 07 ature °C eter (100=Inovia 25S ERP), indicating that ”parameter 12” (Fig. 7.47) has been acti- Factory parameters P 08 vated.
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P01 are matic, after 15 minutes, or by cutting power. displayed on the LCD display and the value of the parameter (41=Inovia 25S ERP), in- dicating that ”parameter 01” (Fig. 7.50) has been activated.
GAS CONVERSION GAS CONVERSION ring to the "Technical Data" section page 28 (Inovia 25S ERP). Warnings Gas restrictor The commissioning of this boiler and system must only be undertaken by a Gas Safety Registered Engineer, quali- fied to work on Liquefied Petroleum Gas...
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GAS CONVERSION 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. •...
MAINTENANCE MAINTENANCE Warnings The procedures detailed in this chapter must be carried out only by a Gas Safe- ty Registered 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 12 13 boiler you are advised to have, at least once...
MAINTENANCE panel D by pulling it and pushing it to- wards the top so that it is freed from the top housings (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.
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 Emptying the c.h. system panels • Close the c.h. isolating valves (3 and 5 in Side panels Fig.
MAINTENANCE indicated in Fig. 9.10. CLOSED Main circuit drain valve OPEN Fig. 9.10 • To make draining easier, unscrew the plug 29 of the automatic relief valve in Fig. 9.11. • A small quantity of water will remain in the d.h.w. heat exchanger after draining. If the boiler is being drained to prevent freezing, the d.h.w.
MAINTENANCE tle brush. More specific maintenance will be valuated and carried out by an Authorised Assistance Centre Technician. Caution: After any periodical servicing or disturbance the combustion chamber silicon seal Fig. 9.13 and the Air-gas duct gasket (Fig. 9.15) must be fully inspected and replaced at the discretion of the service engineer.
MAINTENANCE 71 and check that the expansion vessel with that following. pressure is not less than 1 bar. Model Inovia 25S ERP If the pressure is less, see to correct pres- Nominal heat input 25,0 (A) (E) surisation. Nominal efficency...
MAINTENANCE 9.12 Checking the gas supply pressure Check appliance for gas tightness. Recheck operational pressures as de- scribed in section "Checking the gas supply pressure" to page 55 of this manual. Fig. 9.20 Chimney sweep function at minimum 9.13 Water inhibitor concentration output in domestic hot water mode Where chemical products are used the level •...
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MAINTENANCE Fig. 9.22 Fig. 9.24 Chimney sweep function at maximum • Press keys 12 - 15 - 16 (Fig. 9.19) at the output in heating mode same time again to exit the "chimney • Press key 16 to vary the output in chimney sweep mode"...
BENCHMARK COMMISSIONING AND SERVICING SECTION It is a requirement that the boiler is installed and commissioned to the manufacturers instruc- tions and the data fields on the commissioning checklist completed in full. To instigate the boiler guarantee the boiler needs to be registered with the manufacturer within one month of the installation.
GAS BOILER SYSTEM COMMISSIONING CHECKLIST This Commissioning Checklist is to be completed in full by the competent person who commissioned the boiler as a means of demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference. Failuretoinstallandcommissionaccordingtothemanufacturer’sinstructionsandcompletethisBenchmarkCommissioningChecklistwillinvalidatethe warranty.Thisdoesnotaffectthecustomer’sstatutoryrights.
SERVICE RECORD It is recommended that your heating system is serviced regularly and that the appropriate Service Interval Record is completed. Service Provider BeforecompletingtheappropriateServiceRecordbelow,pleaseensureyouhavecarriedouttheserviceasdescribedinthemanufacturer’sinstructions. Alwaysusethemanufacturer’sspecifiedsparepartwhenreplacingcontrols. SERVICE 01 SERVICE 02 Date: Date: Engineername: Engineername: Companyname: Companyname: TelephoneNo: TelephoneNo: GassaferegisterNo: GassaferegisterNo: Atmax.rate: COppm AND CO ²...
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*1796221982* 17962.2198.2 0616 80A5 Biasi UK Ltd Commercial Road Leamore Enterprise Park WALSALL WS2 7NQ Sales Tel. 01922 714600 Tech. Service Tel. 01922 714636 www.biasi.co.uk...