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  4. Pictor Dual
  5. Installation, Use And Maintenance Manual

Nova Florida Pictor Dual Installation, Use And Maintenance Manual

Summary of Pictor Dual

  • Page 1

    Ctn 24/rtn 24 ctfs 24/rtfs 24 ctfs 28/rtfs 28 installation use and maintenance gb ist 04 c 161 - 02 pictor dual.

  • Page 2

    Dear customer, thank you for choosing and buying one of our boilers. Please read these instructions carefully in order to install, operate, and maintain this equipment properly. Manufacturer recommends customers to contact authorized qualified personnel only for any maintenance and repair operations...

  • Page 3

    This instruction manual, which is an integral and indispensable part of the product, must be handed over to the user by the installer and must be kept in a safe place for future reference. The manual must accompany the boi- ler should it be sold or its possession transferred. This boiler must be use...

  • Page 4

    4 contents general information for the installer, maintenance technician and users page 3 1. Instructions for the user page 5 1.1 control panel page 5 1.2 operating the boiler page 6 1.2.1 switching on page 6 1.2.2 operation page 6 1.2.3 external temperature probe operation page 6 1.2.4 boiler shut-...

  • Page 5

    5 1. Power mains connection light (green) this light indicates that power supply to the boiler is on. 2. Indication light (red) when this light is on and fixed, this indicates that the temperature of the water in the heating system is between 25 and 35°c. When this light is flashing, it indicates th...

  • Page 6

    6 1.2 operating the boiler 1.2.1 switching on • open the gas stop cock. • connect power mains to the boiler (no.1 light on control panel turns on). • choose boiler mode by turning the “off/summer/winter/anti- freezing” selector (9). • adjust ch temperature adju- stment knob (11) to set the tem- pera...

  • Page 7

    7 when ch water temperature knob is set to min., ch water temperatu- re will always be min. Intermediate ch water tempera- ture knob settings from min. To max., gradual ch water tempera- ture increase from min. To max. Will be slower. E.G. When the knob is set to max. And external temperature is 12°...

  • Page 8

    8 2.1 technical characteristics the boiler is equipped with an atmospheric burner. The following versions are available: 24 model: heat output is 23.31 kw (tn) and 23.77 (tfs) 28 model: heat output is 28.6 kw c: central heating and dhw sup- ply r: central heating only (an exter- nal optional water c...

  • Page 9

    750 450 330 9 2.2 dimensions 2.3 hydraulic and gas connection layout pic. 4 ctn 24 pic. 5 1. Dhw temperature probe 2. Gas valve 3. Ch temperature probe 4. Burner nozzles 5. Burner 6. Ignition electrode 7. Safety thermostat 8. Plate heat exchanger 9. Extractor hood 10. Flue exhaustion safety thermost...

  • Page 10

    Ctfs 24/28 pic. 6 1. Dhw temperature probe 2. Gas valve 3. Ch temperature probe 4. Burner nozzles 5. Burner 6. Ignition electrodes 7. Safety thermostat 8. Mono-thermal heat exchanger 9. Sealed combustion chamber 10. Flue extraction fan 11. Flue pressure check 12. Flue pressure safety switch 13. Flue...

  • Page 11

    Rtfs 24/28 pic. 8 1. Expansion vessel 2. Gas valve 3. Burner nozzles 4. Expansion vessel loading valve 5. Ignition electrode 6. Heat exchanger 7. Sealed combustion chamber 8. Flue extraction fan 9. Flue pressure check 10. Flue system coaxial ducts 11. Flue pressure micro-switch 12. Flue pressure saf...

  • Page 12

    12 2.4 operating data burner pressures must be verified after a three minute boiler operation time ctn 24 – rtn 24 function max. Heat output (kw) min. Heat output (kw) heat input (kw) nozzle diametre (mm) min max gas mains pressure (mbar) burner pressure (mbar) methane gas g 20 25.7 23.31 9.85 20 1....

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    13 2.5 general characteristics electrical protection rating burner nozzles minimum ch flow rate minimum ch pressure maximum ch pressure minimum dhw pressure maximum dhw pressure dhw specific capacity ( ∆t 30 °c) electrical power supply – voltage / frequency power mains supply fuse maximum power cons...

  • Page 14

    14 3.1 installation standards this is a ii2h3+ category boiler and must be installed in compliance with laws and standards enforced in the country of installation. 3.2 installation 3.2.1 packaging boiler is shipped in a sturdy cardboard box. Remove b oiler from cardboard box and check its integrity....

  • Page 15

    15 1 2 c f r m g l pic. 9 m ch flow 3/4" 18 138 c dhw flow 1/2" 14 177 g gas intake 1/2" 18 138 f water mains intake 1/2" 14 177 r ch return 3/4" 18 138 Ø coupling Ø copper pipe length pic. 9 boiler wall hanging template.

  • Page 16

    16 3.2.5 boiler room ventilation tn model boilers have open com- bustion chamber and can be con- nected to a chimney: combustion air comes from the room where the boiler is installed. Tfs model boilers have sealed combustion chamber. Combustion air is not drawn from boiler room therefore specific re...

  • Page 17

    17 450 750 330 Ø 130,8 131 232 7 mm 218 flue system connection dimensions for natural draught boiler pic. 11 2 Ø min. 2 Ø min. 1,5 m min. 1,5 m min. Ø Ø 2 Ø 2 Ø 1 m max. 1 m max. 3 % min. Slope 3 % min. Slope > 3 Ø > 3 Ø pic. 10

  • Page 18

    18 18 type c12 type c32 type c42 type c52 type c82 3.2.7 air/flue system ducts configuration: b22, c12, c32, c42, c52, c82. B22 this boiler is intended for connection to an existing flue system either internal or external to the boiler room. Combustion air is taken directly from the boiler room itse...

  • Page 19

    19 3.2.8 100/60 mm diametre coaxial duct air/flue system type c12 minimum permissible length of hori- zontal coaxial pipes is 0.5 metre not including the first elbow connected to the boiler. Maximum permissible length of horizontal coaxial pipes is 4 metre not including the first elbow connected to ...

  • Page 20

    20 3.2.9 80 mm diametre split duct air/flue system (pic. 14 and pic. 15) installation types c12 – c32 -. C42- c52- c82 rtfs 24 and ctfs 24 for installations with separate air intake and flue gas discharge ducts the split base kit (purchase code 0sdoppia03) must be employed. The kit consists of the f...

  • Page 21

    21 pic. 14 b kit 0sdoppia06 air intake terminal with anti-pulse device + grille air intake stub pipe air deflector air diaphragm Ø 51 mm not to be installed on this model flue gas discharge stub pipe for installations with separate air intake and flue gas discharge ducts the split base kit (purchase...

  • Page 22

    Split ducts system samples with models rtfs 24 and ctfs 24 flue gas diaphragm air deflector neoprene gasket sealing cap flue gas deflector pic. 14c Ø 80 mm flue gas discharge and air intake ducts configuration example n.1 (pic. 16) primary air intake and flue gas dischar- ge through two opposite out...

  • Page 23

    23 3.2.10 testing boiler efficiency 3.2.10.1 “chimney sweep” func- tion the boiler has “chimney sweep” function, to test boiler efficiency and in order to adjust burner per- formance. Set knob 9 (pic. 1) to winter, and room thermostat (if available) to on. While the boiler is operating, press spa bu...

  • Page 24

    24 3.2.11 gas mains connection gas supply pipe cross-section must be equal or greater than boiler gas pipe. Cross-section gas pipe size calculation depends on len- gth, layout pattern, gas flow rate. Gas pipe size is to be dimensioned accordingly. Comply with installation standards enforced in the i...

  • Page 25

    25 3.2.16 adjustable by-pass the boiler is equipped by an adjusta- ble by-pass. By-pass operation can be inhibited. Pic. 20 shows adjusting by-pass screw set for by-pass operation pre- clusion, pic. 20a shows adjusting by-pass screw set for by-pass ope- ration. 3.3 loading the system once all boiler...

  • Page 26

    3.5 wiring diagrams 3.5.1 connection layout relation between temperature (°c) and nominal resistance (ohm) of ch probe sr and dhw probe ss. T (°c) 0 2 4 6 8 0 27203 24979 22959 21122 19451 10 17928 16539 15271 14113 13054 20 12084 11196 10382 9634 8948 30 8317 7736 7202 6709 6254 40 5835 5448 5090 4...

  • Page 27

    27 3.6 adaptation for other gases and burner adjustment adapting the boiler from methane to lpg - remove the main burner - remove main burner nozzles from main burner replacing them by new gas type correct diametre nozzles. Warning! Always install copper gaskets. - re-install the main burner - on th...

  • Page 28

    28 26 4.1 preliminary checks before testing the boiler, it is recom- mended to carry out the following checks: - compliance of the installation with current standards. - flue evacuation ducts and ter- minal are implemented according to instruction. When the boiler is running no products generated by...

  • Page 29

    29 6. Troubleshooting boiler status malfunction probable cause solution the boiler has shut down, and red light no. 5 is flashing. Turn selector 9 to reset position in order to resume boiler operation burner does not ignite gas supply failure check gas pressure check gas network safety valve gas val...

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    31.

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    0libmuen06 uf f. Pubblicità fondital ist 04 c 161 - 02 ottobre 2006 (10/2006) the manufacturer reserves the right to implement any necessary and/or useful variation to products, without modifying fundamental characteristics. Fondital s.P.A. Via mocenigo, 123 25078 vestone (brescia) italy tel. +39 03...