Table of Contents
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Installation and Servicing
Ecosy 2
SB 28E
G.C. No. 41-920-30
Condensing
System Boiler
This is a Cat I
Reference in these instructions to British Standards and Statutory
Regulations/Requirements apply only to the United Kingdom.
For Ireland the rules in force must be used.
The instructions consist of three parts, User, Installation and Servicing Instructions, which includes the Guarantee Registration
Card. The instructions are an integral part of the appliance and must, to comply with the current issue of the Gas Safety
(Installation and Use) Regulations, be handed to the user on completion of the installation.
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
In the centre pages are to be found your Guarantee Registration Card, which we recommend you complete and
If this card is missing you can obtain a copy or record your registration by telephoning the Heatcall Customer
Our Guarantee gives you peace of mind plus valuable protection against breakdown by covering the cost of:
All replacement parts
All labour charges
All call-out charges
One Contact Local Service
Instructions for Use
To b e l e f t w i t h t h e u s e r
Appliance
2H
Guarantee Registration
to offer our customers a Comprehensive First Year Guarantee.
return as soon as possible.
Service number 01773 828100.
REGISTER YOUR SAUNIER DUVAL APPLIANCE
FOR 1ST YEAR GUARANTEE PROTECTION
CALL 0208 247 9857
Customer Services:
Tel: (01773) 828100
Fax: (01773) 828070
Hepworth Heating Ltd.,
Nottingham Road, Belper, Derbyshire. DE56 1JT
General/Sales enquiries:
Tel: (01773) 824141 Fax: (01773) 820569
221879A.03.01
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Table of Contents
Related Manuals for Saunier Duval Ecosy 2 SB 28E
Summary of Contents for Saunier Duval Ecosy 2 SB 28E
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Page 1: Instructions For Use
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 First Year Guarantee. In the centre pages are to be found your Guarantee Registration Card, which we recommend you complete and return as soon as possible. -
Page 2: Important Information
Contents CONTENTS DESCRIPTION SECTION PAGE No. Introduction INSTRUCTIONS Operating the Boiler FOR USE General Information INSTALLATION Boiler Position Flue Location and Ventilation INSTRUCTIONS Heating System Installation Preparation Flue Preparation Boiler Fixing Gas, Water and Condensate Conns. Electrical Connections Commissioning Servicing SERVICING Fault Finding INSTRUCTIONS... -
Page 3: Operating The Boiler
The boiler will not work without an electrical supply. To obtain service call your installer or Heatcall (Saunier Duval's own service organisation) using the telephone number given on Normal operation of the boiler should resume when the electrical the front page of these instructions. - Page 4 Operating the Boiler User Controls If in doubt, contact you installation/servicing company for advice. As a safety feature the boiler will stop working if the condensate The boiler is factory preset to supply central heating up to 70 drain becomes blocked. The display will repeatedly flash ‘ ’...
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Page 5: Installation Instructions
1 Installation Instructions CONDENSATE SIPHON Condensate Drain BOILER Connection INSIDE WALL FIXING FACE REFER TO THE WALL TEMPLATE FOR PIPE DIMENSIONS Diagram 1.1 1.1 Installation Alternatively connection can be made through an unswitched shuttered socket and 3A fused 3 pin plug. Where no British Standards exists, materials and equipment should be fit for their purpose and of suitable quality and The mains supply cable and other cables connected to the... -
Page 6: General Information
1 General Information TABLE 1 C.H. Max NOMINAL HEAT INPUT 32.5 11.7 GROSS Btu/h 110,890 39,920 NOMINAL HEAT OUTPUT 28.6 10.0 Btu/h 97,583 34,120 COND. HEAT OUTPUT 30.0 11.3 Btu/h 102,360 38,556 BURNER MANIFOLD SUCTION mbar -4.8 -0.5 PRESSURE -1.92 -0.2 HOT(APPROX) BURNER... -
Page 7: Boiler Position
2 Boiler Position 2.1 Location The boiler is not suitable for fitting outdoors. Any electrical switch or boiler control using mains electricity must be positioned so that it cannot be touched by a person using a bath or shower. The boiler must be mounted on a flat wall which is sufficiently robust to take its weight, refer to Table 2. -
Page 8: Flue Location And Ventilation
3.3 Terminal Position There are several flueing options available for the The minimum acceptable siting dimensions for the terminal Ecosy 2 SB 28E, e.g. horizontal, vertical and twin flue. from obstructions, other terminals and ventilation openings are shown in diagram 3.4. - Page 9 3 Flue Location and Ventilation 3.4 Terminal Guard A terminal guard is required if persons could come into contact with the terminal or the terminal could be subject to damage. If a terminal guard is required, it must be positioned to provide minimum of 50mm clearance from any part of the terminal and be central over the terminal.
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Page 10: Heating System
The circulation pump is integral with the boiler. high pressure loss an additional bypass valve must be fitted to The Ecosy 2 SB 28E is fitted with a UPS 25-60 pump. A the heating circuit to ensure that under no circumstances does performance curve is shown in diagram 4.1. - Page 11 4 Heating System 4.6 Water Treatment 4.7 Draining Tap For optimum performance after installation, the boiler and its A draining tap must be provided at the lowest points of the associated central heating system should be flushed in system, which will allow the entire system to be drained. accordance with BS7593:1992 using a cleanser such as Sentinel The flow and return isolation valves are provided with drain X300 or X400, or Fernox Superfloc.
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Page 12: Installation Preparation
5 Installation Preparation 5.1 Wall Mounting Pack 5.5 Wall Mounting Jig and Hanging Bracket Fixing The wall mounting pack contains everything required to pre- plumb the boiler, including the wall mounting jig, hanging The wall mounting jig supplied is suitable for the system boiler bracket, wall template, screw pack and safety valve discharge and combination boiler versions of the Ecosy 2. - Page 13 6 Flue Preparation 6.1 Flue Length X + 196 ( AIR DUCT ASSEMBLY) All dimensions are in mm. For a rear flue, measure the distance from the outside wall face BOILER to the boiler mounting wall. Check that the flue length will be MOUNTING suitable, see diagram 3.1 for a standard flue system.
- Page 14 6 Flue Preparation Fit flue elbow ‘G’ to air pipe ‘B’ and flue duct ‘A’. A small amount 6.6 Flue Attachment To Boiler of lubricant can be applied to the rubber seals in the elbow to Refer to section 7 and fix the boiler in position prior to completing facilitate this.
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Page 15: Boiler Fixing
7 Boiler Fixing Boiler Fixing Having previously secured the wall mounting jig and hanging bracket to the wall, lift the boiler into position in the following DRAIN manner. To assist in the lifting of the boiler, remove the front POINT panel. -
Page 16: Electrical Connections
8 Gas, Water, and Condensate Connections Make sure that the drain points on the isolating valves are positioning towards the front of the boiler, also that the drain and CONDENSATE operating screw heads are accessible. SIPHON 8.3 Safety Valve Discharge The pipe from the safety valve must not discharge above an entrance, window or any type of public access area. - Page 17 9 Electrical Connections 9.2 Heating System Controls 9.3 Frost Thermostat This boiler has its own frost protection device to protect the Mains electricity must NOT be connected to the black boiler. Additional frost protection may be required for exposed electrical connector plug. pipework.
- Page 18 1 in Instructions for Use. The Ecosy 2 SB 28E has a multifunctional single digit display The fan should start and after a few seconds the ignition will and two control buttons labelled ‘mode’ and ‘reset’, see diagram commence.
- Page 19 10 Commissioning Repeated pressing of the 'mode' button gives the display PROTECTIVE sequence shown in diagram 10.4. If a different option is required, repeatedly press the ‘mode’ button until the required symbol is shown, and then press and hold the ‘mode’ button for two seconds. The decimal point will flash to confirm selection.
- Page 20 10 Commissioning Control Options Minimum Input Lock There are two control options available: Normal mode and This function allows the service engineer to lock the appliance Holiday mode, see diagram 10.4. into delivering minimum heat input to enable accurate combustion Normal mode uses the central heating temperatures selected.
- Page 21 10 Commissioning NOTE:- The SYMBOL (flashing decimal point) indicates the selected options BOILER TEMPERATURE (Decimal Point illuminated means boiler is firing) Press 'mode' - Press 'mode' - Do not use Press 'mode' - Press 'mode' - Press 'mode' - 55 C with adaptive control Press 'mode' - 70 C with adaptive control Central heating...
- Page 22 10 Commissioning 10.14 Instruct the User The operating sequence of the appliance during central heating can be checked against the following table. Instruct and demonstrate the lighting procedure and advise the user on the safe and efficient operation of the boiler. Instruct on and demonstrate the operation of any heating CENTRAL HEATING SEQUENCE TABLE system controls.
- Page 23 11 Servicing 11.4 Spark Electrode 11.1 General Remove the spark plug lead and two securing screws. Withdraw To ensure the continued efficient and safe operation of the the spark electrode and viewing window from the combustion boiler it is recommended that it is checked and serviced at chamber, see diagram11.3.
- Page 24 11 Servicing 11.5 Condensate Siphon SPARK ELECTRODE Place a container beneath the drain cap on the condensate SECURING SCREW siphon. (2 OFF) Carefully remove the cap at the base of the condensate drain trap, see diagram 8.1. Remove any solids found. Check for any debris in the outlet pipe of the condensate drain and clean as necessary.
- Page 25 11 Servicing 11.7 Casing Panel Removal SECURING During major servicing or replacement of parts it may be PLATE necessary to remove the boiler side panels to gain access. Remove the front panel and the control door. See section 10.6. To remove a side panel undo and remove the four screws securing the lower panel brackets to the boiler.
- Page 26 11 Servicing 11.9 Heat Exchanger - Major Servicing Refer to Fault Finding sections 12.1, (fault code .) and 12.4 before carrying out a major service of the heat exchanger. TORX SCREWS If it is suspected that the heat exchanger has become partially (6 OFF) blocked internally, proceed as follows.
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Page 27: Fault Finding
12 Fault Finding Black BLACK LOW Blue VOLTAGE PLUG Brown Room thermostat Green Clock/timer Yellow Frost thermostat Green/Yellow FLAME IGNITION AND White IONISATION ELECTRODE Orange 230V/50Hz Grey WHITE Red/White r/wh MAINS PLUG Blue/White bl/wh P.C INTERFACE AUTOMATIC CONTROL MODULE X1-1 CHASSIS X1-2 EARTH POINT... - Page 28 12 Fault Finding 12.1 Digital Display - Fault Codes Press the 'reset' button. If the fault code is not removed then an internal fault has If a fault has occurred during operation of the boiler the display occurred in the Automatic Control Module. will start flashing.
- Page 29 12 Fault Finding If after checking all previous points the error code is still present, 12.3 Thermistor Characteristics this suggests that the heat exchanger has become partially Both thermistors used on the boiler can be checked for accuracy blocked. See section 11.9 for major service of heat exchanger. against the chart below if their performance is suspect.
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Page 30: Replacement Of Parts
13 Replacement of Parts 13.1 General HEATING FLOW ELECTRICAL Replacement of parts must be carried out by a competent THERMISTOR CONNECTION person. (2 OFF) Before replacing any parts the boiler should be isolated from the mains electric supply and the gas should be turned off at the service cock on the boiler, see diagram 7.1. - Page 31 13 Replacement of Parts Undo and remove the two securing screws from beneath the RETAINING base panel. LUGS Remove the gas valve. After replacing the gas valve the combustion CO will need to be checked and adjusted if necessary, see section 11.6. 13.9 Fan Remove fan as described in section 11.3.
- Page 32 13 Replacement of Parts 13.18 Display PCB ELECTRICAL AIR PRESSURE Unscrew the two securing screws, one on the top front edge of CONNECTIONS SWITCH the base panel and the second on the bottom edge of the base panel. Carefully remove the ribbon wire plug from the display PCB.