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Summary of Contents for Saunier Duval ISOTWIN CONDENS F 35 E
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Page 1: Instructions For Use
HIGH EFFICIENCY CONDENSING COMBINATION BOILER Instructions for use Installation and servicing ISOTWIN CONDENS F 35 E... -
Page 2: Guarantee Registration
GUARANTEE REGISTRATION Thank you for installing a new Saunier Duval appliance in your home. Saunier Duval appliances are manufactured to the very highest standard so we are pleased to offer our customers a Comprehensive Guarantee. This product is guaranteed for 24 months from the date of installation or 30 months from the date of manufacture, whichever is the shorter, for parts. -
Page 4: Table Of Contents
General points .................2 Documents ................2 Safety ..................2 Gas Leak or Fault ................2 Safety regulations and recommendations ..........2 Guarantee / Responsibility ............3 Appliance use ................4 Servicing .................4 Recycling .................4 Appliance use ................6 Control panel ..................6 Commissioning and lighting ...............6 Temperature adjustment ..............7 Turn the boiler off ..............7 Fault finding ................7 Frost protection ...............8... -
Page 5: General Points
NOx and CO2 emissions. instructions of the present manual. ISOTWIN CONDENS F 35 E boiler has a 3 Safety double use (heating + instantaneous hot water). Gas Leak or Fault This appliance of the room-sealed type is equipped with a flue exhaust and air... -
Page 6: Guarantee / Responsibility
We, Saunier Duval, undertake to repair or • Do not change: replace parts free of charge which... -
Page 7: Appliance Use
IMPORTANT: The appliance serial number thrown together with domestic waste must be quoted on all correspondence/ but eliminated according to the current contact made with Saunier Duval. regulations. This guarantee is in addition to your statutory and other legal rights, which will not be excluded or diminished by the return of the guarantee registration card. -
Page 9: Appliance Use
8 Appliance use Control panel Legend Operating indicator Display of the measured temperature in Display of the available pressure in the the heating circuit heating circuit On/off switch Operating mode selection Heating temperature adjustment DHW temperature adjustment Commissioning and lighting •... -
Page 10: Temperature Adjustment
Temperature adjustment 9 Turn the boiler off • Push the switch (6) until the “O” symbol 8.3.1 Domestic hot water temperature appears. adjustment The appliance is no longer supplied The domestic hot water must be set at with electric power. max 63°C. -
Page 11: Frost Protection
To obtain service, please call decrease the setpoint temperature on your installer or Saunier Duval service. your room thermostat. • If you leave home for a long period, see chapter “Draining of the appliance”... - Page 12 Installation and servicing Index Comments on the instructions ..........11 Appliance description ............11 Data label ..................11 Mandatory WARNING for EEC countries ......... 11 Block diagram ..................12 Appliance location ..............13 Safety instructions and regulations ........14 Safety instructions ................14 Regulations ..................15 Appliance installation ............16 Recommendations before mounting ..........16 Dimensions ..................18...
- Page 13 Gas conversion ..............34 Maximum rate ..................34 Minimum rate ...................35 Reactivation ..................35 Fault finding ................36 Control / Commissioning ............38 User information ..............38 Spare parts ................38 Maintenance ................39 14.1 Casing ....................39 14.2 Hydraulic block .................40 14.3 Heating Return Filter ................41 14.4 Condensate trap ................41 14.5 Combustion block ................42 Remplacement of parts ............44 15.1 Hydraulic block .................46...
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Page 14: Comments On The Instructions
It is important 0086. that no alteration is made to the appliance, without permission, in writing, from Saunier Duval. Any alteration that is The CE mark on this appliance shows not approved by Saunier Duval could compliance with:... -
Page 15: Block Diagram
Block diagram... -
Page 16: Appliance Location
Legend Flue outlet Filter on cold water inlet Main heat exchanger Filling system Burner Filter on heating circuit Ignition and control electrode Heating isolating valve Domestic cold water isolating valve Gas control valve Heating isolating valve DHW storage vessel Gas isolating valve Condensate drain DHW pump Overheat safety thermostat... -
Page 17: Safety Instructions And Regulations
Saunier important that no alteration is made to the Duval guarantee. appliance, without permission, in writing, from Saunier Duval. The following safety instructions must Any alteration not approved by Saunier be imperatively followed during the Duval, could invalidate the certification,... -
Page 18: Regulations
Engineers document IGE/UP/7/1998. If The Gas Safety (Installation and Use) in doubt seek advice from the local gas Regulations. undertaking or Saunier Duval. The appropriate Buildings Regulations The installation is subject to building either The Building Regulations, The regulation approval, notify the Local Building Regulations (Scotland), The Authority of intention to install. -
Page 19: Appliance Installation
5 Appliance installation chapter “Technical Data” at the end of this instruction manual. All the dimensions in this chapter are expressed in mm. The piping route should be designed in such a way that it avoids any air locks Recommendations before and make purging of gas from the system mounting easier. - Page 20 5.1.3 Tundish discharge clear visibility at one or these of these locations. Examples of acceptance The internal safety valves, 24 and 36 have discharge arrangements are: been tee’d together and the discharge pipe run so that it exits at the right hand Ideally below a fixed grating and above bottom of the boiler (see chapter «Block the waterseal in a trapped gully.
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Page 21: Dimensions
5.1.4 Water treatment Dimensions In the case of an existing installation, it is Essential that prior to installing the new boiler the system is thoroughly flushed. For optimum performance after 3 0 1 installation of a new system, the boiler and its associated central heating system should also be flushed. - Page 22 • Remove front panel, unscrew and remove the two retaining screws from the bottom of the front panel. Remove front panel by lifting up and forward. • To remove the self adhesive wiring diagram label from the document envelope, fit the self adhesive wiring diagram label to the inside of the front panel, put front panel in a safe place to avoid damaging it.
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Page 23: Gas And Water Connection
Gas and water connection • Before undertaking any operation, • Do not use any solvents that could carefully clean the pipes with an damage the heating circuit. appropriate product in order to remove • Take care when soldering pipes as the impurities such as filings, welds, heat could damage the seals and cause different oils and greases that may... - Page 24 Legend angular bush to weld Ø 15 + nut 1/2" Connection pack 1 : Pressure test point Heating flow pipe: angular bush to weld Hanging bracket Ø 22 + nut 3/4" Heating return pipe: angular bush to weld Ø 22 + nut 3/4" Connection pack 2 : Gasket 3/4"...
- Page 25 Legend Domestic hot water safety valve Tundish Drain cock Biconical ring Filling loop extension knob Gasket Nozzle Discharge valve for PRV (BLUE) on Inner tee domestic hot water circuit Biconical ring coupling Nut (x2) Biconical ring Gasket (x2) Discharge pipe for PRV (RED) on Gasket (x2) heating circuit Union coupling...
- Page 26 Valve outlet size Minimum size Minimum size of Maximum resistance Resistance of discharge discharge pipe allowed expressed as created by to tundish D1 D2 from tundish a length of straight pipe each elbow i.e. no elbows or bends or bend G 1/2”...
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Page 27: Connection To The Condensate Trap
The float of the condensate trap also ensures fume tightness. Therefore, it is not necessary to add water in the condensate trap. Saunier Duval’s horizontal flue automatically provides a 3° angle that enables the return of the condensates to the appliance. - Page 28 Position of the flue to a boundary alongside Position terminal the terminal Horizontal flues above adjacent ground or balcony level directly below an opening, air brick, from surface or a boundary opening windows facing the terminal above an opening, air brick, facing terminals 1200 opening windows...
- Page 29 H*: This dimension comply with the 5.7.2 Vertical concentric flue building regulations, but it may need to Ø 60/100 be increased to avoid wall staining and (C33 type installation) nusance from pluming depending on site conditions. 5.7.1 Horizontal concentric flue Ø...
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Page 30: Electrical Connection
The mains cable integrated in the boiler is specific: if you want to change it, order it exclusively from Saunier Duval service. 1 8 8 Maximum flue index: 150 Pa This value is reached with 2 elbows, the separator and the maximum duct length (L1+L2) of 40 m. -
Page 31: Wiring Diagram
Wiring diagram Legend Overheat thermostat Main board User interface Gas valve Main reset switch Heating return thermistor Chassis earth Heating flow thermistor Fuse Water pressure sensor Three way valve Water flow sensor Ignition module DHW pump DHW temperature sensor Heating pump Ignition and controle electrode... -
Page 33: Commissioning
6 Commissioning 7 Specific adjustments • Slide the switch until the “I” symbol Heating circuit adjustment appears. This flow rate will be adjusted according to The operating indicator on the control the system calculations. panel turns on: the boiler is ready to When it is delivered, the (1) integrated operate. - Page 34 Output/pressure curve 1000 1400 Heating circuit flow rate (l/h) Legend Speed III By-pass fully shut Open 1/4 turn Open 1/2 turn Open 2 turns Speed II By-pass fully shut Open 1/4 turn Open 1/2 turn Speed I By-pass fully shut Open 1/2 turn...
- Page 35 Access to the boilers technical • When “0” and “ ” appear, use the data (for professional and After keys + or - until “96” appears on the Sales Service use only) indicator. The access to the boilers technical data •...
- Page 36 outdoor thermostat : Move the reference point of the regulation slopes by moving COD. 7 regulation slope the parameter from -9 to 10. reference point Select an operating mode: 0 - normal operation. COD. 8 burner forcing 1 - forcing at P. mini. 2 - forcing at P.
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Page 37: Draining Of The Appliance
As an option, a chargeable boiler only commissioning service can be provided by Saunier Duval Service by calling telephone number located at the begining of the manual (customer service). Tools required to make the conversion are a 2 mm Allen key and an electricians screwdriver. -
Page 38: Minimum Rate
• Attach combustion analyser to the • Ensure that the gas analyser is set to combustion test point. the correct fuel setting - Propane. • Turn on the mains electrical supply and • Attach combustion analyser to the turn on the gas service clock. Switch combustion test point. -
Page 39: Fault Finding
SAUNIER DUVAL’s After boiler and noise of water chute inside the Sales Service. radiators could appear. -
Page 41: Control / Commissioning
• Start the appliance according to the spare parts from SAUNIER DUVAL should indications of the operating instructions be used when repairing and servicing the and check whether it runs. -
Page 42: Maintenance
14 Maintenance 14.1.2 Right side panel Warning! • Remove the front panel (5). • Before starting the maintenance of the • Remove the right side panel retaining appliance, read carefully the chapter screws (7). “Safety instructions”. • Remove the right side panel (6). 14.1 Casing 14.1.3 Inner front panel... -
Page 43: Hydraulic Block
14.2 Hydraulic block Legend “Foaming” filter DHW pump retaining screws Low water pressure sensor retaining DHW pump motor clip Heating pump retaining screws Low water pressure sensor Heating pump motor Sanitary exchanger retaining screws Cold water filter retaining clip Sanitary exchanger Cold water filter Flow sensor Filling tap retaining clip... -
Page 44: Heating Return Filter
14.2.1 Cold water filter 14.4 Condensate trap • Turn off the cold water main inlet. • Relieve the filter retaining clip (5). • Remove the cold water filter (6) and clean it. 14.2.2 “Foaming” filter The “foaming” filter improves the heating circuit gas purging operation. -
Page 45: Combustion Block
14.5 Combustion block S 1 0 4 1 5... - Page 46 Legend Heat exchanger retaining screws Spring leaf Gasket Viewing window Viewing window gasket Heat exchanger hydraulic coupling Viewing window circlip Gasket Gasket Ignition module Ignition and controle electrode gasket Mixing arm retaining screws Ignition and controle electrode Gasket Ignition and controle electrode Gas valve connector retaining screw connector Gas valve connector retaining plate...
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Page 47: Remplacement Of Parts
• Inspect the burner for any signs of 15 Remplacement of parts damage. Warning! • Inspect the sealing rings and replace if • Before starting the remplacement of necessary. parts, read carefully the chapter “Safety • Removal of the burner is not necessary instructions”. -
Page 49: Hydraulic Block
15.1 Hydraulic block Legend DHW pump retaining screws Heating safety valve retaining clip DHW pump motor Low water pressure sensor retaining Heating pump retaining screws clip Heating pump motor Filling device Cold water filter retaining clip DHW safety valve retaining clip Cold water filter DHW safety valve Filling tap... - Page 50 15.1.1 DHW pump or heating • Remove the low water pressure sensor (22). • Loosen the 4 pump retaining screws (1)/(3). 15.1.7 Three way valve • Remove the pump motor (2)/(4). • Remove the connector (26). 15.1.2 DHW exchanger • Remove the three way valve (21).
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Page 51: Combustion Block
15.2 Combustion block S 1 0 4 1 5... - Page 52 Legend Heat exchanger retaining screws Spring leaf Gasket Viewing window Viewing window gasket Heat exchanger hydraulic coupling Viewing window circlip Gasket Gasket Ignition module Ignition and controle electrode gasket Mixing arm retaining screws Ignition and controle electrode Gasket Ignition and controle electrode Gas valve connector retaining screw connector Gas valve connector retaining plate...
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Page 53: Dhw Storage Vessel / Expansion Vessel
• Remove the screw (25) and the electrode retaining screws (11). retaining plate (26) from the gas valve • Fit the new ignition and controle connector. electrode and the new gasket in the • Remove the gas valve connector (28). reverse order. - Page 54 • Refill, vent and pressurise the boiler. DHW expansion vessel retaining screw DHW expansion vessel • Check for leaks. Drain nozzle nut DHW storage vessel coupling DHW storage vessel 15.3.2 DHW expansion vessel DHW storage vessel coupling • Relieve the DHW expansion vessel coupling (8).
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Page 55: Condensate Trap
15.4 Condensate trap • Fit the new condenstae trap in the reverse order. 15.5 Control panel 15.5.1 Access to the printed circuit board Legend Switchbox protective cover retaining screw Legend Cover retaining plate on the switchbox Flexibles • Remove the 2 switchbox protective Float cover retaining screws (1). - Page 56 15.5.2 Main board • Fit the new main board in the reverse order. 15.5.3 User interface board Legend User interface board retaining clips Legend Main board harness connector Switchbox protective cover retaining User interface board screw User interface board retaining screws Cover retaining plate on the switchbox •...
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Page 57: Technical Data
16 Technical data Boiler type C13, C33, C53 Description Unit ISOTWIN CONDENS F 35 E Gas category 2H3P Heating Heating output at 80°C/60°C (P) 7.6 - 28 Efficiency calculated on net calorific value at 95.8 - 97.8 80/60°C Heating output at 50°C/30°C (P) 8.6 - 30.6... - Page 58 IPX4D Class CE number 1312 BP 4108 Technical data depending on the gas type Unit ISOTWIN CONDENS F 35 E Natural gas G 20 (1) Sanitary flow rate at maximum input 3.62 Heating flow rate at maximum input 3.02 Flow rate at minimum input 0.68...
- Page 62 Saunier Duval, Nottingham Road Belper,Derbyshire DE56 1JT Tel. 00 44 (0)1773 525914 Fax. 00 44 (0)1773 828070 www.saunier-duval.co.uk...
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