background image

10

3. installation

Make sure any rolling ladders are positioned 
securely, that they are suitably strong, that the steps 
are intact and not slippery and that the ladders are 
fi tted with handrails on either side of the ladder and 
parapets on the landing.

Personal injury caused by falling from a height.

During all work carried out at a certain height 
(generally with a difference in height of more than two 
metres), make sure that parapets are used to surround 
the work area or that individual harnesses are used to 
prevent falls. The space where any accidental fall may 
occur should be free from dangerous obstacles, and 
any impact upon falling should be cushioned by semi-
rigid or deformable surfaces.

Personal injury caused by falling from a height.

Make sure the workplace has suitable hygiene and 
sanitary conditions in terms of lighting, ventilation 
and solidity of the structures.

Personal injury caused by knocks, stumbling etc.

Protect the appliance and all areas in the vicinity of 
the work place using suitable material.

Damage to the appliance or surrounding objects 
caused by falling splinters, knocks and incisions.

Handle the appliance with suitable protection and 
with care.

Damage to the appliance or surrounding objects from 
shocks, knocks, incisions and squashing. 

During all work procedures, wear individual 
protective clothing and equipment.

Personal injury caused by electrocution, falling 
splinters or fragments, inhalation of dust, shocks, 
cuts, puncture wounds, abrasions, noise and vibration.

Place all debris and equipment in such a way as 
to make movement easy and safe, avoiding the 
formation of any piles which could yield or collapse.

Damage to the appliance or surrounding objects from 
shocks, knocks, incisions and squashing.

All operations inside the appliance must be performed 
with the necessary caution in order to avoid abrupt 
contact with sharp parts.

Personal injury caused by cuts, puncture wounds and 
abrasions.

Reset all the safety and control functions affected 
by any work performed on the appliance and make 
sure they operate correctly before restarting the 
appliance.

Explosions, fi res or asphyxiation caused by gas leaks 
or an incorrect fl ue gas exhaust. Damage or shutdown 
of the appliance caused by out-of-control operation.

Before handling, empty all components that may contain 
hot water, carrying out any bleeding if necessary.

Personal injury caused by burns.

Descale the components, in accordance with the 
instructions provided on the safety data sheet of the 
product used, airing the room, wearing protective 
clothing, avoid mixing different products, and protect 
the appliance and surrounding objects.

Personal injury caused by acidic substances coming 
into contact with skin or eyes; inhaling or swallowing 
harmful chemical agents. Damage to the appliance or 
surrounding objects due to corrosion caused by acidic 
substances.

If you detect a smell of burning or smoke, keep clear 
of the appliance, disconnect it from the electricity 
supply, open all windows and contact the technician.

Personal injury caused by burns, smoke inhalation, 
asphyxiation.

3.2. Safety regulations

Key to symbols:

Failure to comply with this warning implies the risk of 
personal injury, in some circumstances even fatal
Failure to comply with this warning implies the risk 
of damage, in some circumstances even serious, to 
property, plants or animals.

Install the appliance on a solid wall which is not 
subject to vibration.

Noisiness during operation.

When drilling holes in the wall for installation 
purposes, take care not to damage any electrical 
wiring or existing piping.

Electrocution caused by contact with live wires. 
Explosions, fi 

res or asphyxiation caused by gas 

leaking from damaged piping. Damage to existing 
installations. Flooding caused by water leaking from 
damaged piping.

Perform all electrical connections using wires which 
have a suitable section.

Fire caused by overheating due to electrical current 
passing through undersized cables.

Protect all connection pipes and wires in order to 
prevent them from being damaged.

Electrocution caused by contact with live wires. 
Explosions, fi res or asphyxiation caused by gas leaking 
from damaged piping. Flooding caused by water 
leaking from damaged piping.

Make sure the installation site and any systems to 
which the appliance must be connected comply with 
the applicable norms in force.

Electrocution caused by contact with live wires 
which have been installed incorrectly. Damage to the 
appliance caused by improper operating conditions.

Use suitable manual tools and equipment (make sure 
in particular that the tool is not worn out and that 
its handle is fi xed properly); use them correctly and 
make sure they do not fall from a height. Replace 
them once you have fi nished using them.

Personal injury from the falling splinters or fragments, 
inhalation of dust, shocks, cuts, pricks and abrasions. 
Damage to the appliance or surrounding objects 
caused by falling splinters, knocks and incisions.

Use electrical equipment suitable for its intended use 
(in particular, make sure that the power supply cable 
and plug are intact and that the parts featuring rotary 
or reciprocating motions are fastened correctly); 
use this equipment correctly; do not obstruct 
passageways with the power supply cable, make sure 
no equipment could fall from a height. Disconnect it 
and replace it safely after use.

Personal injury caused by falling splinters or 
fragments, inhalation of dust, knocks, cuts, puncture 
wounds, abrasions, noise and vibration. Damage to 
the appliance or surrounding objects caused by falling 
splinters, knocks and incisions.

Make sure any portable ladders are positioned 
securely, that they are suitably strong and that the 
steps are intact and not slippery and do not wobble 
when someone climbs them. Ensure someone 
provides supervision at all times.

Personal injury caused by falling from a height or cuts 
(stepladders shutting accidentally).

Содержание NEXT SFT 14

Страница 1: ... and Servicing instructions Important This appliance is a domestic gas fired hot water heater and is intended for domestic use only NEXT INSTANTANEOUS MULTIPOINT GAS WATER HEATER TYPE C NEXT SFT 14 Country of destination GB IE ...

Страница 2: ...instructions 4 2 1 Control panel 4 2 1 2 Display 4 2 2 Initial set up 2 3 Ignition procedure 5 2 4 Water temperature adjustment 5 2 5 Bath Function 5 2 6 Switchinf off procedure 6 2 7 Appliance shut off conditions 6 2 8 Anti freeze protection 6 2 9 Change gas type 7 2 10 Maintenance 7 ...

Страница 3: ...cted piping Explosions fires or intoxication caused by gas leaking from disconnected piping Do not damage the power supply cable Electrocution from live uninsulated wires Do not leave anything on top of the appliance Personal injury caused by an object falling off the appliance as a result of vibrations Damage to the appliance or items underneath it caused by the object falling off as a result of v...

Страница 4: ...utton 3 4 Temperature Buttons Used to select hot water delivery temperature 5 Display 1 2 3 4 5 Water temperature indication C Signal error codes Water demand in progress Flame presence signal Fan active The display visualises the set temperature Reset procedure in progress Air pressure switch error see 5 1 ...

Страница 5: ...50 C by pressing button 4 again the temperature is increased in steps of 5 C up to a maximum of 65 C WARNING The factory set temperature is 42 C Pay attention when adjusting water temperature higher than 50 C burns may occur during the draw off phase 2 5 Bath Function The Bath function can be used to specify an amount of hot water to be dispensed at a selected temperature While the appliance is in...

Страница 6: ...lled where pipes are subjected to freezing it is recommended to empty it Proceed as indicated below Turn the outer electrical switch to the OFF position Close the gas isolation valve Close the cold water inlet isolation valve Open the DHW taps until both the appliance and pipes are completely emptied To fill the appliance again open the cold water inlet isolation valve together with DHW taps until ...

Страница 7: ...7 2 user instructions ...

Страница 8: ...18 4 Commissioning 19 4 1 Gas supply installation 19 4 2 Checking electricity supply 19 4 3 Lighting the appliance 19 4 4 Setting the gas pressure 19 4 4 1 Supply pressure check 19 4 4 2 Checking the maximum pressure 19 4 4 3 Checking the minimum pressure 20 4 4 4 Completion 20 4 5 Gas settings table 20 4 6 Changing the type of gas 20 5 Appliance shut off conditions 21 5 1 Table summarising error ...

Страница 9: ...nd ionisation safety devices they have a modulating burner and are connected to the mains water supply they provide domestic hot water Their self contained combustion chambers with fans for the intake of external air and the extraction of combustion products allow them to operate totally independently from the room in which they are installed 10 ELECTRICAL POWER SUPPLY AND CONTROL Supplies the wat...

Страница 10: ...stances If you detect a smell of burning or smoke keep clear of the appliance disconnect it from the electricity supply open all windows and contact the technician Personal injury caused by burns smoke inhalation asphyxiation 3 2 Safety regulations Key to symbols Failure to comply with this warning implies the risk of personal injury in some circumstances even fatal Failure to comply with this war...

Страница 11: ...Nominal flow rate ΔT 35ºC l min 10 2 D H W minium flow rate l min 2 Water pressure maximum bar 6 Water pressure minimum bar 0 1 Flue fumes temperature at Maximum nominal heat input C 155 0 Flue fumes temperature at Minimum nominal heat input C 75 4 Ø Flue outlet Air intake 60 100 Dimensions Height Casing mm 563 Width Casing mm 350 Depth Casing mm 130 Power supply voltage frequency V Hz 230 50 Power ...

Страница 12: ...h 7 Overheat thermostat 8 Modulator Gas valve 9 Thermal fuse 10 Water flow switch 11 Outgoing water temperature sensor 12 Inlet water temperature probe B C D 1 2 3 4 5 6 7 8 9 11 12 13 10 Legend 1 Heat exchanger 2 Overheat thermostat 3 Detection Electrode 4 Burner 5 Fan 6 Outgoing water temperature sensor 7 Air pressure switch 8 Safety valve 9 Cold water inlet filter 10 Water flow switch 11 Inlet wat...

Страница 13: ...inimum clearances In order to allow easy access to the appliance for maintenance operations The appliance must be installed in accordance with the clearances stated below The following elements are supplied with the heater 1x 15mm gas inlet isolation tap complete with washer 1x 15mmx1 2 swivel nut 90 brass connector for the hot water outlet complete with washer 1x 15mm cold water inlet isolating v...

Страница 14: ...f Ireland in accordance with the following codes of practice I S 813 Domestic Gas Installations Avoid installing the appliance where the air inlet can be polluted by chemical products such as chlorine swimming pool area or ammonia hair dresser or alkaline products launderette 3 8 1 Flue Detailed information on flue assembly can be found in Section 4 Fitting the Flue The appliance must be installed ...

Страница 15: ...trol using main electricity should be situated so that it cannot be touched by a person using the bath or shower in line with current electrical regulations Where the installation of the appliance will be in an unusual location special procedures may be necessary the current edition of BS 5546 should be consulted In the event that the appliance is to be installed in a timber framed building it sho...

Страница 16: ...r fully on Bleed any air from the water pipes by opening all the taps hot and cold Then turn off all the taps and check for water tightness Sealing the Gas Circuit IMPORTANT Test for tightness in accordance with current regulations 3 8 11 Connecting the Water Heater to the Electrical Mains The water heater is fitted with an electrical supply cable for a 220 230V 50Hz mains supply It is to be connec...

Страница 17: ...t least 5mm must be between the flue duct and structures or walls made of flammable materials When replacing an old appliance the flue must be changed Ensure the flue is not blocked that the exhaust duct joints are fitted correctly and do not leak products of combustion into the air inlet 3 9 1 Fitting the Coaxial Flue Ø 60 100 Horizontal Contents of flue 3318643 2X silicone o ring 60mm 1X elbow 90º 2X ...

Страница 18: ... all burrs 9 Insert the flue through the wall and slide the inner decorative collar on the flue pipe 10 Connect the flue to the elbow ensuring that the inner flue engages into the elbow by 23mm NOTE WHEN ENGAGING THE FLUE PIPE ENSURE THE LIP SEALS REMAIN IN POSITION 11 Secure the appliance and the flue pipe to the elbow using the clamps screws and seals 12 When installing the flue ensure it is installed...

Страница 19: ...ptor NOTE Pay attention not to dislodge the lip seals in the vertical starter when engaging it onto the appliance and when inserting the vertical flue kit Should extensions be required they are available in 1 metre lengths The vertical starter must always be connected directly to the appliance and the extensions installed between it and the vertical flue kit In the event that an extension piece need...

Страница 20: ...ipe onto the test nipple 3 Open the gas isolation valve 4 Activate the appliance by opening a D H W tap 5 Press the SW3 button on the P C B the appliance is forced to maximum power The display will show CH CH and a value from 9 to 9 Default value 0 6 The burner pressure should correspond to the value shown in the Gas Settings table If it does not correspond adjust the potentiometer P2 To save the ...

Страница 21: ...nd minimum rate see 4 5 Gas settings table Note Permissible tolerance 5 10 4 4 4 Completion Once installation is complete commission the appliance as instucted in Section 4 page 19 Instruct the end user on the following How to switch off the appliance quickly and indicate the position of the electrical supply isolator Explain to the end user that if the appliance is not to be used for long periods...

Страница 22: ...ply Verify the electrical connection to the main unit Problem detected on the electronic card or fuse Replace the card or fuse A 1 A 1 No flame detected Gas isolation valve closed Open the valve and follow the activation procedure Check the ignition electrode Check the detection electrode A 2 A 2 Overheating A temperature higher than 85 C has been detected Check the water pressure A 3 A 3 Air press...

Страница 23: ... fan 9 Remove and clean the burner injectors 10 Replace all components turn on the appliance and check correct operation 11 Check the gas inlet pressure and correct working pressures high and low fire as described in Section 4 4 12 Check the gas rate 13 Check the water flow rate 14 Check the combustion CO CO2 as described below 15 Advise the customer of the correct use of the appliance 16 Complete t...

Страница 24: ...d positioned Clean injectors and check correct size Burner for damage Heat exchanger clean fins are clean and unblocked No combustion products are recirculating causing vitiation 6 1 1 Replacement of parts The life of individual components vary and they will need servicing or replacing as and when faults develop The fault finding sequence chart in Section 6 4 will help to locate which component is t...

Страница 25: ...s A 2 Remove the silicon pipe from the APS B 2 Disconnect the electrical connection from the main pcb C 3 Release the 3 screws and disconnect the APS from the bracket D 1 Release the 2 the two fan fixing screws and remove the silicon pipe A 2 Disconnect the electrical connection from the main pcb B 2 Remove the fan C ...

Страница 26: ... Removing the ignitor 1 Disconnect the electrical connections A 2 Release the support bracket screw B 1 Remove the earth connection A 1 Release the 7 screws on the gas collector B 3 Release the screw also dismounts the igniter bracket C 4 Remove the gas collector D ...

Страница 27: ... C 6 1 7 Removing the ignition electrode 6 1 8 Removing the detection electrode 1 Release the 2 screws A 2 Remove the ignition electrode and disconnect the male female connector B 1 Release the 2 screws A 2 Remove the electrode and disconnect the electrical connection B ...

Страница 28: ...er temperature probe 1 Remove electrical connections A 2 Release the 2 screws and remove the overheat thermostat B 1 Remove the electrical connection A 2 Turn off the cold water isolation valve 3 Drain the appliance 4 Release the 2 screws and remove the hot water temperature probe B C ...

Страница 29: ...the cold water isolation valve and drain the appliance 3 Unscrew the 2 screws and remove the hot water temperature probe B 4 Remove the temperature probe C 1 Release the screw and disconnect the electrical connection A B 2 Turn off the cold water isolation valve and drain the appliance 3 Remove the clip from the pipe B 3 Remove the water flow switch C ...

Страница 30: ...nance 6 1 4 Removing the main P C B 1 Release the 2 screws and dismount the PCB A 2 Remove all electrical connections from the PCB B 6 1 13 Removing the inlet water filter 1 Release the filter A 2 Remove the filter B ...

Страница 31: ... maintenance 6 1 15 Removing the display P C B 1 Unhook the control panel and release the fixing screws A B 3 Release the 4 screws fixing the cover of the main PCB and remove the other connection cables C D E ...

Страница 32: ...at exchanger 1 Remove the gas collector as detailed in 6 1 5 2 Release the screw release the silicone pipe from the fan assembly and remove the gas valve A B 3 Disconnect all electrical connections C 1 Remove electrical connections A 2 Remove the gas collector and the ignitor B ...

Страница 33: ...er inlet and drain the applianc C D E 4 Remove the fan as detailed in paragraph 6 1 4 5 Release the 4 screws and dismount the heat exchanger burner and combustion hood F 6 Remove the elctrodes and the overheat thermostat 7 Remove the combustion hood from the heat exchanger G H ...

Страница 34: ...34 6 maintenance 8 Release the screws to dismount the burner from the heat exchanger I J ...

Страница 35: ...ed on 3 The electrical supply is turned on 1 Check replace connection cable 2 Check replace the air pressure switch 3 Check replace the printed circuit board 1 Check replace connection cable 2 Check replace the printed circuit board 1 Check air pressure switch 2 Check venturi pipes 3 Check fan efficiency 1 Check ignition electrode cable 2 Check replace ignition electrode 3 Check replace the P C B ...

Страница 36: ...D H W noisy operation Repeated shutdowns check gas pressure check water flow rate check the temperature sensors check heat exchanger check exchanger faulty or lime scale deposits low system water pressure check the gas pressures faulty detection electrodes check gas settings check flame detection electric circuit check the temperature sensor ...

Страница 37: ...5158036 211 Water Flow Sensor 65158445 303 Ignitor 65158405 307 Detection Electrode 65158248 308 Ignition Electrode 65158357 401 Gas Valve 6518231 501 Air Pressure Switch 10259000 503 Fan Assembly 65158259 601 PCB Main 65158542 603 PCB Display 65158540 604 Cable Display Panel 65158537 ...

Страница 38: ...38 6 maintenance ...

Страница 39: ...39 6 maintenance ...

Страница 40: ...as not been installed correctly and understand that any manufacturer s guarantee has been withdrawn On the 12 month anniversary of the appliance installation you must have it serviced to continue any guarantee offered into the following year Failure to do so will invalidate your guarantee and should an ARISTON engineer be required to attend and no proof of service documentation is made available t...

Отзывы: