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ECOSY

Heating and hot water for the professionals

ECOSY 24 E, ECOSY 5B 24 E is CAT
II2H3+ appliances

ECOSY 28 E, ECOSY 5B 28 E is CAT
I2H appliances

01773 828100

I N   W A R R A N T Y

T E C H N I C A L   H E L P L I N E

01773 828400

Summary of Contents for ECOSY 24 E

Page 1: ... ECOSY Heating and hot water for the professionals ECOSY 24 E ECOSY 5B 24 E is CAT II2H3 appliances ECOSY 28 E ECOSY 5B 28 E is CAT I2H appliances 01773 828100 IN WARRANTY TECHNICAL HELPLINE 01773 828400 ...

Page 2: ... Connections plate 10 Piping system installation 10 Heating system design 11 Domestic hot water system design 12 Boiler location 12 Boiler installation 13 Flue installation 14 15 Electrical installation 16 Commissioning 17 Operating safety devices 18 Settings 19 Changing gas type 20 USERS SECTION Mandatory warning for CEE countries Warning This appliance is designed approved and inspected to meet ...

Page 3: ...evices are all fitted within the boiler The boiler can be installed against either an external wall or on an adjacent inside wall that is the flue system will pass directly to the rear or to either side to the terminal fitted on the outside wall face The installation must be carried out by a competent person in accordance with the relevant requirements of The Building Regulations The Water Byelaws...

Page 4: ...ot water PUSH BUTTON TO POSITION TO SET THE BOILER TO WINTER MODE Make sure that The boiler is connected to the electrical supply The boiler gas service cock is open The pressure gauge reads between 1 and 2 bar PUSH IN BUTTON TO START BOILER OFF ON PUSH IN BUTTON IN SUMMER POSITION TO STOP THE BOILER Assuming that any remote heating controls are calling for heat the above procedure is all that is ...

Page 5: ...mode 1 6 5 enter 2 6 0 2 6 0 2 Press or button to set the desired hot water temperature from 40 C to 65 C factory set at 65 C Hab 198a Setting heating temperature Note 1 In case of under floor heating systems the CH flow temperature can be set to between 20 C and 45 C contact the Saunier Duval Technical Helpline 01773 828400 6 7 0 set mode 6 8 5 1 6 5 mode 1 6 0 3 Press or button to set the desire...

Page 6: ...o select the setting that you wish to change see table below 3 Press or button to adjust the settings according to the table below 4 Press Enter button and then press Mode button twice to exit from the programming mode into the display mode 3 0 1 B Programming mode Programme Setting 1 Domestic hot water temperature adjustable from 40 C to 65 C factory set at 65 C 2 Domestic hot water comfort level...

Page 7: ... boiler Always ensure that adequate frost protection is given to the entire system where necessary Draining and filling Caution The boiler is installed as part of a sealed system which must only be drained and filled by a competent person Heating safety valve CAUTION A safety valve with a discharge pipe is fitted to these boilers The valve MUST NOT BE TOUCHED except by a com petent person If the v...

Page 8: ... 30 C temperature rise l min 11 4 13 3 Maximum supply pressure bar 8 8 Electrical supply V 230 230 230 230 Maximum absorbed power W 115 115 132 132 ECOSY 24 E ECOSY SB 24 E TECHNICAL DATA Ø Burner injector mm 4 9 4 9 5 6 5 6 Supply pressure mbar 20 20 20 20 Gas rate maximum m3 h 2 6 2 6 3 0 3 0 Gas rate minimum m3 h 0 7 0 7 0 9 0 9 Natural gas G20 10 kPa 1 mWG Available pressure between heating fl...

Page 9: ...Cylinder ECOSY 24 E 28 E only 17 Cylinder automatic air vent ECOSY 24 E 28 E on ly 18 Central heating return thermistor 19 Domestic hot water thermistor ECOSY 24 E 28 E only 1 3 4 5 6 8 7 9 10 11 16 12 15 2 17 18 13 14 19 Hab 205 DIMENSIONS Diagram 4 The boiler is delivered in three separate packages the boiler itself the fixing jig the flue system ECOSY 24 E Net weight 68 kg Gross weight 72 kg EC...

Page 10: ...ontinu ous fall and be routed to a position so that any dis charge of water possibly boiling or steam cannot create any danger to persons damage to prop erty or external electrical components and wiring Tighten all pipe connection joints Connect the safety valve discharge pipe to the boiler the discharge must be extended using not less than 15 m o d pipe to discharge in a visible position outside ...

Page 11: ... Ecosy SB 24 E SB 28 E 1 bar corresponding to a static head of 10 m w g and allows a maximum system volume of 215 l for an average temperature of 75 C and a maxi mum service pressure of 3 bar This pressure setting can be modified at commissioning stage if the static head differs An additional expansion vessel can be fitted to the system if required see diagram 8 Provision shall be made for a drain...

Page 12: ...the boiler is not installed immediately protect the various couplings to prevent any ingress of foreign materials e g plaster paint etc Terminal position The minimum acceptable spacings from the termi nal to obstructions and ventilation openings are shown in diagram 10 The boiler must be installed so that the terminal is exposed to the external air Should any doubt exist as to the permissible posi...

Page 13: ...odies and contaminants such as filings solder particles oil grease etc Note Solvent products could cause damage to the system Engage boiler upper part onto the hanging bracket Allow the boiler to seat down onto support plate Fit filter and washers strictly adhering to the se quential order and directions shown on diag 6 Ecosy 24 E 28 E or diag 7 Ecosy SB 24 E SB 28 E Connect the various couplings ...

Page 14: ...installations with internal access only Use a 125 mm diameter core drill Important Before cutting the hole for flues to the rear of boiler always cover fixing jig to make sure it is not damaged Calculation of flue cutting lengths Measure wall thickness e mm see diagram 14 For side flues measure distance from inside face of side wall to centre line of flue and subtract 293 mm for right hand flue or...

Page 15: ...the rubber sealing flange C against the inside wall From inside insert inner pipe E into outer pipe ensuring that groove on terminal end of pipe en gages into tongue on outer pipe end cap Engage boiler upper part onto hanging bracket Allow boiler to seat down onto support plate Fit filters and washers strictly adhering to the sequential order and directions shown on diagram 6 or 7 Connect the vari...

Page 16: ...fitted between the upper two terminals of the connector is left in place see diagram 18 a A 230V room thermostat can be used but do not make any connection to the compensating resistor see dia gram 18a ON NO ACCOUNT must any electrical voltage be applied to any of the terminals of the external controls plug For use with a timeswitch or timeswitch and room ther mostat see diagram 18 a ECOSY SB 24 E...

Page 17: ...se of the gases contained in the water of central heating system Gases driven towards the boiler will be automati cally released through the automatic air vents The gases trapped at the highest point of the sys tem must be released by bleeding the radiators On reaching maximum temperature the boiler should be turned off and the system drained as rapidly as possible whilst still hot Refill system t...

Page 18: ...a manual reset The display will show 9 25 blinking Check that the pump is operating the central heating isolating cocks are open and that there is circulation in the system 2 If the temperature difference between the cen tral heating flow and return pipes exceeds 40 C the boiler will stop for 2 5 minutes The display will show 9 alternaded with E 30 After this time the boiler will attempt to religh...

Page 19: ...to stabilise and check the CO2 value refer to table 4 To adjust the CO2 remove protective cap b from the gas valve see diagram 22 Turn the gas valve adjuster until the correct CO2 value is obtained according to table 4 Note This adjustment must only be carried out by a suitably qualified engineer Bypass The built in bypass must be adjusted according to the requirements of the system Refer to the f...

Page 20: ...ve the front cover of the appliance Loosen the upper gas union and unscrew the gas jet Screw the new jet in tightly after checking it again for size ant tighten the union once more Check the union for tightness using leak detector spray After the details accordingly on the plate showing gas type Conversion to a different type of gas only for ECOSY 24 E and ECOSY SB 24 E Note The appliances are nor...

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