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  5. Instructions For Use, Installation And Maintenance

Fer FERtech 18 OV Instructions For Use, Installation And Maintenance

Summary of FERtech 18 OV

  • Page 1

    Fertech 18 ov instructions for use installation and maintenance cod. 3540u291 - 11/2009 (rev. 00) 8 seasonal efficiency (sedbuk) band a g c n° 41-267-38.

  • Page 2

    Fertech 18 ov 2 cod. 3540u291 - 11/2009 (rev. 00) • read the warnings given in this manual thoroughly. They provide important information for safe instal- lation, use and maintenance • by law the instruction manual must be left with the end user. • if the appliance is sold or transferred to another ...

  • Page 3

    3 fertech 18 ov cod. 3540u291 - 11/2009 (rev. 00) 1. Operating instructions .................................................................4 1.1 introduction ............................................................................................................4 1.2 control panel ...............

  • Page 4

    Fertech 18 ov 4 cod. 3540u291 - 11/2009 (rev. 00) 1. Operating instructions 1.1 introduction dear customer, thank you for choosing fertech 18 ov, a fer wall-mounted boiler of the latest generation, featuring advanced design and cutting-edge technology. Fertech 18 ov is a high-efficiency condensing p...

  • Page 5

    5 fertech 18 ov cod. 3540u291 - 11/2009 (rev. 00) 1.2 control panel eco/comfort reset 1 14 11 7 6 5 4 3 2 15 13 8 12 fig. 1 1 = domestic hot water temperature setpoint decreasing push button (not used) 2 = domestic hot water temperature setpoint increasing push button (not used) 3 = central heating ...

  • Page 6

    Fertech 18 ov 6 cod. 3540u291 - 11/2009 (rev. 00) 1.3 turning on and off without main power supply to avoid damage caused by freezing during long shutdowns in winter, it is advisable to drain all water from the system. Ignition ensure the power is on to the appliance. For the first 120 seconds, the ...

  • Page 7

    7 fertech 18 ov cod. 3540u291 - 11/2009 (rev. 00) when the boiler is turned off with this key, the p.C.B is still powered, heating operation is disabled and the display is off however the frost protection will still be active. To totally isolate close the gas cock ahead of the boiler and disconnect ...

  • Page 8

    1.6 faults in the unlikely event of an operating problem, or component failure, the display flashes and a fault identification code appears. Fertech 18 ov 8 cod. 3540u291 - 11/2009 (rev. 00) 1.5 maintenance it is strongly recommended to carry out annual maintenance of the boiler and heating system. ...

  • Page 9

    9 fertech 18 ov cod. 3540u291 - 11/2009 (rev. 00) 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 heat- ing system and/or a w...

  • Page 10

    Fertech 18 ov 10 cod. 3540u291 - 11/2009 (rev. 00) minimum a b d 2,5 cm 20 cm 60 cm (via an openable panel) c 30 cm table 1 fig. 9 a a b d c 2.2 boiler location the unit’s combustion chamber is sealed off from the installation room and therefore requi- res no compartment ventilation. The installatio...

  • Page 11

    11 fertech 18 ov cod. 3540u291 - 11/2009 (rev. 00) fig. 10 2.3 boiler water connections the heating capacity of the unit should be previously established by calculating the building’s heat requirement according to current regu- lations. For good operation and long life of the boiler, the plumbing sy...

  • Page 12

    Fertech 18 ov 12 cod. 3540u291 - 11/2009 (rev. 00) fig. 11 make up water this appliance is designed to work on an open vented fully pumped heating system only, (see fig 12 page 13). The make up of water must be made via a suitably sized cold feed and expansion tank installed to the current regulatio...

  • Page 13

    13 fertech 18 ov cod. 3540u291 - 11/2009 (rev. 00) to dhw taps min. 2 m max. 150 mm isolating valve drain flow return open vent motorised valve 22 mm dhw isolating valve ch pump automatic by-pass motorised valve 22 mm ch balancing valve 15 mm 22 mm indirect cylinder indirect coil missing 45° 500 mm ...

  • Page 14

    Fertech 18 ov 14 cod. 3540u291 - 11/2009 (rev. 00) 2.5 electrical connections the unit must be installed in conformity with current national and local regulations. Connection to the electrical supply the boiler must be connected to a single-phase, 230 volt-50 hz electric supply. The unit’s electrica...

  • Page 15

    15 fertech 18 ov cod. 3540u291 - 11/2009 (rev. 00) fig. 13 the user must never change the unit’s power cable. If the cable gets damaged, switch off the unit and have it changed only by professionally qualified personnel. If changing the electric power cable, use only “har h05 vv-f” 3x0.75 mm 2 cable...

  • Page 16

    Fertech 18 ov 16 cod. 3540u291 - 11/2009 (rev. 00) central heating demand the heat demand can be controlled by the room thermostat (terminal 5-6) or by a switch line 230 v (terminal 5). Standard systems for a general pipe layout and wiring diagram on the “s” and “y” plan systems please see fig. 15a,...

  • Page 17

    17 fertech 18 ov cod. 3540u291 - 11/2009 (rev. 00) fig. 16b wiring diagram 4 3 2 1 junction box n l 1 2 3 4 5 6 7 8 9 10 programmer neutral live ch on dhw on dhw off blue white grey orange room thermostat cylinder thermostat n e l 240 vac honeywell v4073h mid position 3 way zone valve 2 1 c terminal...

  • Page 18

    Fertech 18 ov 18 cod. 3540u291 - 11/2009 (rev. 00) * = between 10 e 60 mm * = between 10 e 60 mm 80 95 50* 80 95 30 50* standard 041025g0 flue kit 186 134 30 p 125 s d s 50* l 30 95 s 50* p l d s 79 79 186 134 144 drill the wall 10÷20 mm more than the pipe diameter 186 144 drill the wall 10÷20 mm mo...

  • Page 19

    19 fertech 18 ov cod. 3540u291 - 11/2009 (rev. 00) pitch roof slate 1kwma82u 1kwma56u 950 50 950 50 50 950 50 041002x0 max. 6 mt 60/100 max. 16 mt 80/125 vertical terminal 1kwma83u 120 1000 125 10 vertical outlet fig. 17c reduction factors for bends 1 m 0,5 m 0,5 m 0,25 m table 2b maximum permissibl...

  • Page 20

    Fertech 18 ov 20 cod. 3540u291 - 11/2009 (rev. 00) ref. 2 4 5 36 29 1 vertical air pipe Ø80 vertical flue pipe Ø80 80 Ø vertical flue kit description equivalent loss 36 m 46,4 m 12,0 m 94,4 m total table 3 fig. 19 connection with 80 mm pipe system the unit can be connected to a system of separate ai...

  • Page 21

    21 fertech 18 ov cod. 3540u291 - 11/2009 (rev. 00) 1kwma86a 1kwma85a 1kwma84u air flue vertical horizont al vertical horizont al 1kwma65w 1kwma01w 1kwma83w • 1,00 m description pipe Ø 80 male-female bend 45° Ø 80 mm male - female bend 90° Ø 80 mm male - female description horozontial flue terminal h...

  • Page 22

    Fertech 18 ov 22 cod. 3540u291 - 11/2009 (rev. 00) minimum dimensions of flue terminal positions directly below an opening, air brick, opening windows, etc. Above an opening, air brick, opening windows, etc. Horizontally to an opening, air brick, opening windows, etc. Below gutters, soil pipes or dr...

  • Page 23

    23 fertech 18 ov cod. 3540u291 - 11/2009 (rev. 00) connection to collective flues or single flues with natural draught if you are then going to connect the fertech 18 ov boiler to a collective flue or a single flue with natural draught, the flue must be expressly designed by professionally qualified...

  • Page 24

    Fertech 18 ov 24 cod. 3540u291 - 11/2009 (rev. 00) external 32/40mm solvent weld pipework cement seal 100mm dia tube bottom sealed lime stone chippings ground level (either/or) hole depth 400mm 25mm 2 rows of 3x12 mm holes internal -300mm fig. 22 condensate discharge where possible the condensate sh...

  • Page 25

    25 fertech 18 ov cod. 3540u291 - 11/2009 (rev. 00) fig. 23 3. Service and maintenance 3.1 adjustments all adjustment and conversion operations must be carried out by qualified personnel such as fer tech- nical service. Fer declines any responsibility for damage or physical injury caused by unqualifi...

  • Page 26

    Fertech 18 ov 26 cod. 3540u291 - 11/2009 (rev. 00) 3.2 system start-up commissioning must be performed by qualified personnel. Checks to be made at first ignition, and after all maintenance operations that involved discon- necting from the systems or an intervention of a safety device. Before lighti...

  • Page 27

    27 fertech 18 ov cod. 3540u291 - 11/2009 (rev. 00) 3.3 maintenance the following operations are strictly reserved for qualified personnel, such as corgi registered engineers or fer engineers. Seasonal inspection of the boiler and flue it is advisable to carry out the following checks at least once a...

  • Page 28

    Fertech 18 ov 28 cod. 3540u291 - 11/2009 (rev. 00) fig. 24 fig. 25 opening the casing to open the boiler casing, you need to follow the sequence given below and the instructions of fig. 24. 1 using a screwdriver, fully unscrew and remove the 2 screws “a ” 2 open by lowering the panel “b ” 3 lift and...

  • Page 29

    29 fertech 18 ov cod. 3540u291 - 11/2009 (rev. 00) 3.4 troubleshooting fault diagnosis in the event of operating problems or trouble, the display will flash and a fault identification code appears. There are faults that in order to restore operation the reset button must be pressed (ref.6 - fig. 1);...

  • Page 30

    Fertech 18 ov 30 cod. 3540u291 - 11/2009 (rev. 00) fault possible cause cure f13 flue sensor fault sensor damaged or wiring shorted check the wiring or change the sensor sensor damaged or wiring broken check the wiring or change the sensor f14 flow sensor fault sensor damaged or short circuited chec...

  • Page 31

    31 fertech 18 ov cod. 3540u291 - 11/2009 (rev. 00) 4. Technical characteristics and data 4.1 dimensions and connections key 1 system flow (22 mm compression union) 3 gas inlet (22 mm with isolation valve fitted) 5 system return - 22 mm compression union fig. 26 66 120 45 20 280 144 35 280 320 45 50 ...

  • Page 32

    Fertech 18 ov 32 cod. 3540u291 - 11/2009 (rev. 00) 4.2 general view and main components fig. 27 5 room sealed compartment 7 gas inlet 10 ch flow 11 ch return 16 premix fan assembly 19 combustion compartment 22 main burner 29 flue collar 44 gas valve 186 201 191 29 22 81 82 161 7 154 196 19 278 5 16 ...

  • Page 33

    33 fertech 18 ov cod. 3540u291 - 11/2009 (rev. 00) 4.3 hydraulic diagram fig. 28 key 7 gas inlet 10 ch flow 11 ch return 16 premix fan assembly 44 gas valve 154 condensate outlet pipe 161 heat exchanger 186 return sensor 193 siphon 278 double sensor (safety + heating) 10 7 186 161 278 154 16 11 193 ...

  • Page 34

    Fertech 18 ov 34 cod. 3540u291 - 11/2009 (rev. 00) 4.4 technical data table maximum working temperature in heating °c total boiler water content litres weight empty kg max electrical power absorbed w 85 1 19 50 max. Ch heat input max. Natural gas flow rate (g20) natural gas supply pressure (g20) max...

  • Page 35

    35 fertech 18 ov cod. 3540u291 - 11/2009 (rev. 00) key 16 fan 44 combination gas valve 62 time clock (optional) 81 spark electrode 82 ionisation electrode 101 main p.C.B. 103 relay 104 fuse f3.15 amp 186 return temperature sensor 191 exhaust temperature sensor 202 transformer 230v-24v 203 supply lea...

  • Page 36

    Benchmark controls to comply with the building regulations, each section must have a tick in one or other of the boxes time & temperature control to heating room t/stat & programmer/timer programmable roomstat time & temperature control to hot water cylinder t/stat & programmer/timer combi boiler he...

  • Page 37: Service Interval Record

    Service interval record it is recommended that your heating system is serviced regularly and that you complete the appropriate service interval record below. Service provider. Before completing the appropriate service interval record below, please ensure you have carried out the service as described...

  • Page 40

    Phone numbers: installer service engineer because of our constant endeavour for improvement details may vary slightly from those quoted in these instructions. All specifications subject to change please note - to avoid incurring unnecessary expense, in the event of a boiler shut down, check this is ...