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Summary of Contents for Protherm 23 BTVE
- Page 1 Wall hung combination boiler PROTHERM 23 BTVE User, Installation and Servicing Instructions...
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Page 2: Table Of Contents
PROVITHERM 23 BTVE The boiler serial number is marked on the label attached to the inside of the drop down door. Refer to the ‚Introduction‘ section for a description of the basic functions of the boiler. The ‚Users‘ section describes how to safely operate the boiler. -
Page 3: Instructions For Use Introduction
Dear Customer, You have become an owner of a wall-hung combination boiler. The boiler PROVITHERM 23 BTVE with forced flue gas removal is designed for heating up the central heating water (CH) in central-heating systems in flats, family houses, workshops, offices, etc. and as a flow heater of domestic hot water (DHW). We believe it will serve you to your full satisfaction –... -
Page 4: Control And Signalling
USER INSTRUCTIONS Control and Signalling Your Provitherm 23 BTVE boiler has been factory configured to operate at the heart of an existing installation. However, because many installations are specially designed, do not hesitate to contact your installer who will be able to ensure that you get the best performance from your installation, by adjusting the heating circuit’s max-... -
Page 5: Boiler Start And Switch-Off
The boiler can be cleaned with a wet cloth and then dried and polished with a dry cloth. Never use any abrasives or thinners. WARRANTY CONDITIONS The warranty on PROVITHERM 23 BTVE boilers is provided as specified in the Guarantee Certificate, Service Booklet and under conditions specified in these Instructions for Use and Instructions for Installation (in chapters Introduction, Boiler installation). -
Page 6: Introduction
INSTALLATION INSTRUCTIONS Introduction The Provitherm 23 BTVE boiler is a wall mounted modulating combination boiler with electronic ignition providing central heating and instantaneous hot water. The boiler is of the I2H category for use with Natural Gas (G20). The boiler has a fan assisted balanced flue which both discharges the products of combustion to and draws the combustion air from the outside of the room. -
Page 7: Dimensions And Pressure Available
Net lift weight (boiler only) ....36 kg Gross lift weight (boiler and packaging) ..37 kg Diagram 3 Diagram 4 PROVITHERM 23 BTVE... -
Page 8: Technical Parameters
TECHNICAL DATA – PROVITHERM 23 BTVE Heating Heat input (max) NET Q ..........25 kW / 85,300 BTU/H Heat input (min) NET Q . -
Page 9: Boiler Schematic
Expansion vessel Filling system Ignition electrode Discharge safety valve (3 bar) Burner Heating filter Flame sense electrode Pump Heating flow Heating thermistor Domestic hot water outlet Ignition module By-pass Cold water inlet Gas valve Heating return Diagram 5 PROVITHERM 23 BTVE... -
Page 10: Terminal Position
PROVITHERM 23 BTVE... -
Page 11: Heating And Hot Water Design
HEATING SYSTEM DESIGN Heating System Design • The Provitherm 23 BTVE is compatible with any type of installation. • Heating surfaces may consist of radiators, convectors or fan assisted convectors. • Pipe sectional areas shall be determined in accordance with normal practices, using the output/pressure curve (diagram1). - Page 12 PROVITHERM 23 BTVE...
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Page 13: Boiler Installation
Connect the system pipework to the copper connections on the fixing jig observing the correct flow and return format as shown in diagram 9. Do not subject the isolating valves to heat. Additional expansion Boiler vessel (if required) Filling device Domestic water Bypass valve Control valve Drain point Heating Diagram 9 circuit PROVITHERM 23 BTVE... -
Page 14: Flue Gas And Air Ducts
For each 90° flue bend fitted, reduce overall flue length by 1 m. For each 45° flue bend fitted, reduce overall flue length by 1/2 m. Diagram 11 Standart top outlet flue Standart top outlet flue 90° elbow Extension pipe PROVITHERM 23 BTVE... -
Page 15: Vertical Flue Installation
For vertical flue lengths between 4 and 9 m, remove the restrictor (R). For each 90° flue bend fitted, reduce overall flue height by 1 m. For each 45° flue bend fitted, reduce overall flue height by 1/2 m. Diagram 12 PROVITHERM 23 BTVE... - Page 16 FLUE CONFIGURATIONS Diagram 13 PROVITHERM 23 BTVE...
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Page 17: Electrical Part
3. Test the polarity of the mains. The installer is requested to advise and give guidance to the user of the controls scheme used with the boiler. CONNECTIONS TO THE AIR PRESSURE SWITCH Air flow switch take-off Electrical contacts Diagram 17 PROVITHERM 23 BTVE... -
Page 18: Commencing Boiler Operation
5. Leave cap ( A ) on automatic air vent on top of pump open, see dia- gram 19. 6. Open various hot water taps to bleed system. 7. Ensure the display indicates a system pressure of 1.5 bar adjust if necessary, see diagram 23. Diagram 23 PROVITHERM 23 BTVE... - Page 19 • Water valves (DHW, heating) are open; • The boiler’s cord is plugged in. Bypass The Provitherm 23 BTVE boiler has a built-in bypass. This must be adjusted according to the requirements of the sys- tem, refer to the flow rate pressure curve (diagram 1). The boiler is supplied with the built-in bypass open a half a turn.
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Page 20: Safety Devices
Frost protection The Provitherm 23 BTVE has a built in frost protection device that protects the boiler from freezing. If the boiler is to be left and there is a risk of frost, ensure that the gas and electrical supplies are left connected. The frost protection device will light the boiler when the temperature of the boiler water falls below 4°C. -
Page 21: Cleaning And Inspections
• Lower forwards to gain access to lower part of boiler. Sealed chamber cover • Unclip the two toggle clips holding the sealed chamber cover. • Lift cover up and off pins on the top of the boiler. PROVITHERM 23 BTVE... - Page 22 • Open the boiler drain valve (a). • Turn on one or more hot water taps. (a) Diagram 30 Note: Isolating cocks water and gas HEATING COLD HEATING FLOW are shown in the: OFF position not part of boiler WATER IN RETURN PROVITHERM 23 BTVE...
- Page 23 • Ease the fan down and forwards to remove. SPARK GAP SENSE GAP 4 mm Diagram 32 BURNER RETAINING SCREWS POWER EARTH SUPPLY LEAD BURNER LEADS GUIDE Diagram 34 AIR PRESSURE SWITCH SENSING TUBE FAN RETAINING SCREW PULL DOWN Diagram 33 PROVITHERM 23 BTVE...
- Page 24 Flue system INLET FILTER CLIP • Check externally to make sure that flue is not blocked HOUSING • Inspect flue system to make sure that all fittings are secure. Diagram 36 FILTER RETAINING CLIP FLAT FILTER Diagram 37 PROVITHERM 23 BTVE...
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Page 25: Replacement Of Boiler Parts
Central Heating Filter ELECTRICAL Before starting refer to the front of Section Impor- CONNECTORS tant information. It may be necessary to clean or replace the central heating filter, refer to section Routine cleaning and inspection. SENSING Diagram 39 TUBE PROVITHERM 23 BTVE... - Page 26 42. • Disconnect electrical connections from thermostat Diagram 42 • Unclip thermostat from flow pipe to the heat ex- changer. • When refitting electrical connections to replacement thermostat the polarity is not important. PROVITHERM 23 BTVE...
- Page 27 • Lower the control panel. • Remove the sealed chamber cover. • Remove the combustion chamber cover. • Drain down central heating water circuit and domestic hot water cuircuit of the boiler only. • Remove the fan. PROVITHERM 23 BTVE...
- Page 28 • Fit replacement PCB in reverse order to removal. Be careful not to trap any of the cables. Make sure that PCB connections are fully pushed onto replacement PCB. PCB (CONTROL BOARD) Diagram 45 CONTROL BOARD COVER PROVITHERM 23 BTVE...
- Page 29 • For ease of access if required remove the right hand side pan- PUMP ELECTRICAL • Undo four fixing screws and remove pump head. CONNECTION • Gain access to the pump electrical connection box and re- move cover. PUMP HEAD HEX HEAD SCREW Diagram 47 PROVITHERM 23 BTVE...
- Page 30 • Pull out the two slotted metal clips retaining the domes- WATER tic water inlet filter housing. FLOW • Remove domestic water inlet filter housing. SENSOR • Remove electrical connections from water flow sensor. • Pull off slotted metal clip and remove water flow sensor. PROVITHERM 23 BTVE...
- Page 31 Note: The washers must be kept for use on reassembly. Diagram 54 • Withdraw gas control valve assembly. • After fitting replacement gas control valve test for gas sound- ness. STEPPER MOTOR ELECTRICAL CONNECTION CONTROL VALVE PROVITHERM 23 BTVE...
- Page 32 • Remove the front panel • Lower the control panel. • Undo discharge pipe union nut. IGNITER • Pull out slotted metal clip from valve body and remove valve. UNIT Diagram 57 Diagram 56 DISCHARGE SAFETY VALVE PROVITHERM 23 BTVE...
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Page 34: Electrical Diagrams
PROVITHERM 23 BTVE - Electrical diagram Diagram 59 PROVITHERM 23 BTVE... -
Page 35: Defects
Refer to section18.10 to locate the overheat thermostat reset button. Depress the button to reset. FAULTY WATER PRESSURE SENSOR It is possible to replace the sensor with two 1kΩ resistors as shown in the OVERHEAT diagram. THERMOSTAT RESET BUTTON Diagram 60 Diagram 61 PROVITHERM 23 BTVE... - Page 36 Change the motor. Replace the control board (PCB). Domestic water flow To test: Use a new detector and connect it electrically in place of the faulty one. Blow through to simulate a demand for water. PROVITHERM 23 BTVE...
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