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9

Maxima 35 C

2. INSTALLATION

2.1 General Instructions

This device must only be used for the purpose for which it is specially designed. This unit is 
designed to heat water to a temperature below boiling point and must be connected to a hea-
ting system and/or a water supply system for domestic use, compatible with its performance, 

characteristics and its heating capacity. Any other use is considered improper.
BOILER INSTALLATION MUST ONLY BE PERFORMED BY QUALIFIED PERSONNEL, IN ACCORDANCE 
WITH ALL THE INSTRUCTIONS GIVEN IN THIS TECHNICAL MANUAL, THE PROVISIONS OF CURRENT 
LAW, THE RECOMENDATION OF BS STANDARDS, ANY LOCAL REGULATIONS AND THE RULES 
OF COMPEDENT WORKMANSHIP.
Incorrect installation can cause damage or physical injury for which the manufacturer declines 
any responsibility.

This appliance must be installed strictly in accordance with these instructions 
and regulations:

 

 

The Gas Safety Regulations (Installations & Use).

 

The Local Building Regulations.

 

The Building Regulations (Part L).

 

The Buildings Standards (Scotland - Consolidated) Regulations.

 

British Standards Codes of Practice:

B.S.  5440  Part 1  

Flues

B.S.  5440  Part 2  

Air supply

B.S.  5449  FORCED CIRCULATION HOT WATER SYSTEMS
B.S.  6798  INSTALLATION OF GAS FIRED HOT WATER BOILERS
B.S. 6891 GAS 

INSTALLATIONS

B.S.  7671  IEE WIRING REGULATIONS
B.S.  4814  SPECIFICATION FOR EXPANSION VESSELS
B.S.  5482  INSTALLATION OF LPG
B.S.  7593  TREATMENT OF WATER IN DOMESTIC HOT WATER CENTRAL HEATING SYSTEMS
B.S.  5546  INSTALLATION OF HOT WATER SUPPLIES FOR DOMESTIC PURPOSES

Model Water Bye Laws
B.S.  5955-8 PLASTIC PIPEWORK INSTALLATION

For Northern Ireland the rules in force apply

Summary of Contents for MAXIMA 35 C

Page 1: ...CE 0063 B0 3924 wall mounted gas fired pre mix condensing combination boiler MAXIMA 35 C cod 3544452 3 05 2005 Seasonal Efficiency SEDBUK band A 90 9 G C N 47 267 33 INSTRUCTIONS FOR USE INSTALLATION...

Page 2: ...iance Do not attempt to repair or carry out any other operation on the appliance directly Contact Ferroli or a qualified engineer only Repairs or the replacement of components must be carried out excl...

Page 3: ...12 2 4 Connection to the gas system 14 2 5 Electrical Connections 14 2 6 Flue system 17 2 7 Condensate outlet connection 23 3 SERVICE AND MAINTENANCE 25 3 1 Adjustments 25 3 2 Initial start up 25 3 3...

Page 4: ...emperature sensors a safety thermostat and a low pressure sensor Thanks to the twin microprocessor control and adjustment system with advanced self diagnosis unit operation is for the most part automa...

Page 5: ...set the boiler press Reset 5 fig 1 The shutdown condition is indicated by the fault blinking and RESET being displayed 6 Power key Turning the boiler on and off on green light on button pushed in 7 Ho...

Page 6: ...n the appliance is in Winter operation with a demand from external controls 24 Delay time symbol Appears when the appliance is in Standby after Heating operation 26 Delay time symbol Appears when the...

Page 7: ...ture usetheD H W control knob Turning it clockwise increases the temperature turning it anticlockwise decreases it When adjusting the control knob the display will flash for 5 seconds and display the...

Page 8: ...s 1 6 Faults In the unlikely event of an operating problem or component failure the display flashes and a fault identification code appears Faults marked with the letter F cause temporary shutdowns th...

Page 9: ...age or physical injury for which the manufacturer declines any responsibility This appliance must be installed strictly in accordance with these instructions and regulations The Gas Safety Regulations...

Page 10: ...irective no 90 396 for all gas units including those with a so called sealed chamber Therefore the place of installation must be free of dust flammable materials or objects or corrosive gases The room...

Page 11: ...porary filling loop is shown in fig 4 Ensure the filling point is on the return pipe to the boiler Attention is drawn to the Model Water Byelaws Fittings manufactured from duplex alpha beta brass are...

Page 12: ...working BS 7593 Building regs Doc L Make the connections to the appliance as shown in fig 5 Key 1 System flow 22 mm with isolation valve fitted 2 DHW outlet 15 mm with isolation valve fitted 3 Gas in...

Page 13: ...roducts which must be used in accordance with the manufactures instructions for further information contact Feronx Manufacturing Co LTD Sentinel Division Tandern house Marlowe Way Betz Dearborn LTD Cr...

Page 14: ...installed in conformity with current national and local regulations Connection to the electrical grid The boiler must be connected to a single phase 230 Volt 50 Hz electric line The unit s electrical...

Page 15: ...t be taken with a direct connection to the mains or with batteries depending on the type of device isolation to mains fed clocks via a 3amp fused spur A fig 7 Terminal board wiring diagram D H W exclu...

Page 16: ...wire cable can be used The external sensor must be installed on the North North West wall or on the wall with most of the main living room The sensor must never be exposed to early morning sunshine a...

Page 17: ...d side By pressing the MODE key once the maximum boiler flow temperature curve can be set option of between 0 to 10 1 Maximum flow temperature of appliance 30 C 10 Maximum flow temperature of applianc...

Page 18: ...ooftop outlet as shown on the following drawings Numerous accessories are available on request to meet the various installation requirements Please refer to our flue manual or the price list Standard...

Page 19: ...ion factors for bends Concentric bend at 90 60 100 mm Concentric bend at 45 60 100 mm Concentric bend at 90 80 125 mm Concentric bend at 45 80 125 mm 1 m 0 5 m 0 5 m 0 25 m Table 2b Maximum permissibl...

Page 20: ...5 provide an equivalent loss in metres depending on the position of installation of the component with air intake or flue extraction vertical or horizontal The loss is called equivalent length since...

Page 21: ...ale female 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...

Page 22: ...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 300mm 600mm 300mm 300mm 1...

Page 23: ...le with a vertical progression and with no constrictions Have the ducts conveying the hot fumes adequately distanced or isolated from combustible materials Be connected to just one unit per floor for...

Page 24: ...outside see below drawing Any external run is subjet to freezing in severe weather conditions To avoid this the pipework should be installed to dispose of the condensate quickly with as much as possib...

Page 25: ...check the connection is gas tight 6 Apply the sticker contained in the conversion kit near the dataplate 7 Fit the combustion chamber and casing back on 8 Check inlet working pressure 9 Set CO2 mixtur...

Page 26: ...fuel consumption indicated on the gas meter corresponds to that given in the technical data table in chap 4 Check there is the right flow rate of hot water with the t stated in the chart The measurem...

Page 27: ...c In addition it is necessary to pay attention after performing all these operations to check and carry out all the phases of ignition and thermostat operation the gas valve and circulation pump After...

Page 28: ...ge full auto Check the system gas pressure Check and eventually replace the air trap 100 C Safety thermostat trips Flow sensor not active or located correctly No system circulation Check the correct p...

Page 29: ...or damaged or wiring broken Check the wiring or change the sensor Pressure sensor fault F43 Sensor damaged or wiring shorted Check the wiring or change the sensor Return sensor fault F44 Sensor damage...

Page 30: ...83 60 1 2 3 4 5 367 480 35 35 57 57 296 367 180 480 105 182 6 7 Key 1 System flow 22 mm with isolation valve fitted 2 DHW outlet 15 mm with isolation valve fitted 3 Gas inlet 22 mm with isolation val...

Page 31: ...rner 29 Flue outlet manifold 32 Heating pump 34 Heating flow sensor 35 Air separator 36 Automatic air vent 37 Cold water inlet filter 39 Water flow rate restrictor 44 Gas valve 49 Safety thermostat 56...

Page 32: ...Heating safety valve 16 Premix fan assembly 32 Heating pump 34 Flow temperature sensor 35 Air separator 36 Automatic air vent 44 Gas valve 49 Safety thermostat 56 Expansion vessel 130 D H W pump 136...

Page 33: ...length of separate flues D 80 meq Measurement given in equivalent linear metres cfr FERROLI calculation system Electrical power supply Max electrical power absorbed W Electric power drawn by the circ...

Page 34: ...Maxima 35 C 4 5 Diagrams Key 1 2 3 Pump selector positions Ferroli 15 60 A Boiler losses of head Head available for the system fig 20 0 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 Q m3 h QH Chart 6 5 4 3 2 1 0...

Page 35: ...34 49 X1 X2 230 V 24 V 186 191 X5 246 136 X1 X12 X11 X7 X6 N L 230 V F2A DISPLAY 4 6 Wiring diagram fig 21 Key 16 Fan 32 Heating pump 34 Heating flow temperature sensor 44 Gas valve 49 Safety thermos...

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...

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Page 40: ...t Staffordshire DE14 3HD Tel 08707 282 885 Fax 08707 282 886 ALL SPECIFICATIONS SUBJECT TO CHANGE Please note to avoid incurring unnecessary expense in the event of a boiler shut down check this in no...

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