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Ferroli OPTIMAX HE PLUS 18 S, Instructions For Use, Installation And Maintenance, Page: 32 / 38

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Ferroli OPTIMAX HE PLUS 18 S Instructions For Use, Installation And Maintenance Download Page 32

32

OPTIMAX HE PLUS 18 S

Cod. 3540L826 - 04/2009  (Rev. 00)

4.3 Hydraulic diagram

fig. 28

Key

7

 Gas 

inlet

10

 CH 

flow

11

 CH 

return

14

 

Pressure Relief valve

16

 

Premix fan assembly

32

 Pump

36

 

Automatic air vent

44

 Gas 

valve

56

 Expansion 

vessel

114

 

Water pressure switch

154

 

Condensate outlet pipe

161

 Heat 

exchanger

186

 Return 

sensor

193

Siphon

241

 Automatic 

by-pass

278

 

Double sensor ( Heating)

56

44

14

32

11

10

7

241

114
36

186

161

278

193

154

16

Summary of Contents for OPTIMAX HE PLUS 18 S

Page 1: ...TRUCTIONS FOR USE INSTALLATION AND MAINTENANCE OPTIMAX HE PLUS 18 S wall mounted gas fired pre mix condensing system boiler cod 3540L826 04 2009 Rev 00 G C n 41 267 27 Seasonal Efficiency SED BU K ban...

Page 2: ...d engi neer The appliance may not be used for purposes other than those for which it was explicitly designed Any other use is considered improper and therefore dan gerous Incorrect installation and us...

Page 3: ...ter connections 11 2 4 Connection to the gas system 13 2 5 Electrical Connections 13 2 6 Flue system 16 2 7 Condensate outlet connection 22 3 SERVICE AND MAINTENANCE 24 3 1 Adjustments 24 3 2 System s...

Page 4: ...boiler is totally room sealed from the installation room the air needed for combustion is drawn from outside The boiler also includes a modulating speed fan modulating gas valve pump expansion vessel...

Page 5: ...on 5 Display LCD 6 Reset 7 On Off push button 8 Domestic Hot Water symbol 11 Multi function indication 12 Degrees indication 13 Central Heating mode operation 14 Central Heating symbol 15 Burner on an...

Page 6: ...es the Air purge function During the first 5 seconds the display shows the software version of the pcb Open the gas cock on the boiler and purge the air from the pipework upstream of the gas valve Whe...

Page 7: ...function automatically whenever the external controls are calling for heat 1 4 Adjustments Heating temperature setting To set the system flow temperature use the CH push buttons Part 3 and 4 fig 1 It...

Page 8: ...ion must be reset manually by pressing the reset Part 6 fig 1 for 1 second Other faults F indication cause temporary shutdowns that are automatically reset as soon as the value causing the fault comes...

Page 9: ...tion can cause damage or physical injury for which the manufacturer declines any re sponsibility This appliance must be installed strictly in accordance with these instructions and regulations The Gas...

Page 10: ...wall The wall fixing must ensure a stable and effective support for the appliance using the bracket and fixings supplied If the unit is enclosed in a cupboard or moun ted alongside there must be space...

Page 11: ...circumstances Do not use the water system pipes to earth electri cal appliances Before installation carefully flush all the pipes of the heating system to remove residues or impurities that could aff...

Page 12: ...ains water supply The use of mains water to charge and pressurise the system directly is conditional upon the Local Water Byelaws Again any such connection must be disconnected after use Ensure the fi...

Page 13: ...te If the boiler is installed on an existing system any unsuitable additives must be removed by tho rough cleansing All systems should be cleansed according to B S 7593 Note In hard water areas treatm...

Page 14: ...ter of 8 mm Access to the electrical terminal block Follow the instructions given in fig 13 to access the electrical connection terminal block The layout of the terminals for the various connections i...

Page 15: ...ms please see fig 15a 15b and 16a 16b OPTIMAX S Plan Wiring diagram OPTIMAX FERROLI BOILER D H W Zone Valve C H Zone Valve Auto air vent 4 3 2 1 Junction Box N E L Terminal 5 SWITCH LINE 1 2 3 4 5 6 7...

Page 16: ...x from boiler Remove Link between terminals 5 6 Pipe layout 2 6 Flue system The unit is type C with a sealed chamber and forced draught the air inlet and flue outlet must be connected to one of the fo...

Page 17: ...meet the various installation requirements Please refer to our Product range guide or the price list Standard concentric flue installation Horizontal flue installation 1 Define the position for insta...

Page 18: ...e the required amount of 1mtr flue extensions part number 1KWMA56U inserting them spigot down ensuring the seals are well lubricated with silicone grease not supplied and correctly located into the so...

Page 19: ...provide an equiva lent loss in linear metres depending on the position of installation of the component with air intake or flue extraction vertical or horizontal Thelossiscalled equivalentlength sinc...

Page 20: ...Description Horozontial flue terminal Horozontial air terminal Vertical flue terminal 1 1 1 6 2 1 2 1 8 1 5 2 0 Equivalent losses in metres linear 5 2 Air Flue Vertical Horizontal Vertical Horizontal...

Page 21: ...wall Vertically from a terminal on the same wall From an opening in the car port e g door window into the dwelling Above ground roof or balcony level 300mm 300mm 300mm 200mm 75mm 200mm 150mm 100mm 300...

Page 22: ...rmissible with a vertical progression and with no constrictions Have the flue conveying the hot fumes adequately distanced or isolated from combustible mate rials Be connected to just one unit per flo...

Page 23: ...as the condensate has a ph value of 4 slightly acidic Where it is not possible to terminate internally the condensate discharge pipe may be run outside see below drawing Any external run is subject t...

Page 24: ...as follows 1 Remove the casing 2 Open the sealed chamber 3 Release the fixing clip C and remove the gas pipeA from the fan venturi assembly 4 Replace the nozzle B inserted in the gas pipe with that c...

Page 25: ...nd spin the pump Ensure the flue system is correctly fitted including terminal locations Ignition Open the gas valve upstream of the boiler Purge the air from the installation pipework to the applianc...

Page 26: ...erminal end piece and ducts must be free of obstructions and leaks The gas and water systems must be sound The burner and exchanger must be clean The electrodes must be free of scale and correctly pos...

Page 27: ...check and carry out all the phases of ignition and thermostat operation the gas valve and circulation pump After these checks make sure there are no gas leaks Combustion analysis It is possible to an...

Page 28: ...trode wiring Main board defective Check the PCB A03 High limit protection Flow sensor not active or correctly located Check the correct positioning and operation of the flow sensor No system circulati...

Page 29: ...ensor Sensor damaged or wiring broken Check the wiring or change the sensor F15 Fan problem Tachometer signal interrupted fan connection Check the wiring and fan Fan damaged debris in fan Check the fa...

Page 30: ...ections Key 1 System flow 22 mm with isolation valve fitted 3 Gas inlet 22 mm with isolation valve fitted 5 System return 22 mm with isolation valve fitted c w filter 6 Pressure Relief Valve fig 26 72...

Page 31: ...Flue Collar 32 Pump 36 Automatic air vent 44 Gas valve 56 Expansion vessel 81 Ignition electrode 191 29 56 22 81 82 161 14 186 36 114 32 145 11 44 7 154 10 241 196 19 278 5 16 201 82 Ionisation elect...

Page 32: ...14 Pressure Relief valve 16 Premix fan assembly 32 Pump 36 Automatic air vent 44 Gas valve 56 Expansion vessel 114 Water pressure switch 154 Condensate outlet pipe 161 Heat exchanger 186 Return sensor...

Page 33: ...rective Table 10 Gas injector G20 Natural Gas Gas injector G31 Propane Electrical protection rating IP Power voltage frequency V Hz X5D 230 50 98 3 97 3 105 4 107 2 109 1 Max working pressure in heati...

Page 34: ...HE PLUS 18 S Cod 3540L826 04 2009 Rev 00 4 5 Diagrams Head available for the system fig 29 Key 1 2 3 Pump selector positions A Boiler losses of head 0 1 2 3 4 5 6 7 0 500 1 000 1 500 2 000 Q l h H m H...

Page 35: ...l 81 Spark Electrode 82 Ionisation electrode 101 Main p c b 103 Relay 104 Fuse F 3 15 amp 114 Water pressure switch 186 Return temperature sensor 191 Exhaust temperature sensor 202 Transformer 230V 24...

Page 36: ...ED FOR THE DOMESTIC HOT WATER MODE MEASURE RECORD GAS RATE ft3 hr MAXIMUM BURNER OPERATING PRESSURE IF APPLICABLE mbar COLD WATER INLET TEMPERATURE C HOT WATER OUTLET TEMPERATURE C WATER FLOW RATE lts...

Page 37: ...TS SIGNATURE SERVICE 3 DATE ENGINEER NAME COMPANY NAME TEL No CORGI ID CARD SERIAL No COMMENTS SIGNATURE SERVICE 4 DATE ENGINEER NAME COMPANY NAME TEL No CORGI ID CARD SERIAL No COMMENTS SIGNATURE SER...

Page 38: ...down check this is not caused by lack of electricity supply gas supply or low water pressure before calling our Customer Service Helpline Lichfield Road Branston Industrial Estate Burton Upon Trent S...

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