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  5. Instructions For Use Installation And Servicing

Vaillant ecoMAX pro SERIES Instructions For Use Installation And Servicing

Summary of ecoMAX pro SERIES

  • Page 1

    To be left with the user instructions for use, installation and servicing ecomax pro wall hung condensing boilers for traditional open vented systems gb 18 e 28 e.

  • Page 2

    Table of contents instructions for use, installation and servicing ecomax pro 2 page 1 list of contents . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.1 contents included with ecomax pro boiler . . . 4 2 introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.1 general inform...

  • Page 3

    Table of contents instructions for use, installation and servicing ecomax pro 3 page 15 servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 15.1 general . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 15.2 spark electrode . . . . . . . . . . . . . . . . . . . ...

  • Page 4

    1 list of contents instructions for use, installation and servicing ecomax pro 4 1 list of contents 1.1 contents included with ecomax pro boiler ensure that all contents are included before commen- cing installation. Fig. 1.1: items supplied with unit (ecomax pro) 1 2 3 4 5 6 7 8 9 item quantity des...

  • Page 5

    Important information 2 instructions for use, installation and servicing ecomax pro 5 2 introduction 2.1 general information thank you for choosing a vaillant boiler. The information given in this booklet will enable you to obtain the best performance from your boiler. The benchmark logbook should b...

  • Page 6

    2 important information 2.12 boiler casing do not remove or adjust the casing in any way, as incorrect fitting may result in incorrect operation or failure to operate at all. 2.13 condensate drain the condensate drain, see section 10.3, must not be modified or blocked. 2.14 pluming from flue termina...

  • Page 7

    2 important information operating the boiler 3 instructions for use, installation and servicing ecomax pro 7 3.3 user controls slide the on / off control down to the i position to turn on the boiler. The operating indicator will illuminate (green) to show that the boiler is on. The temperature of th...

  • Page 8

    4 general information instructions for use, installation and servicing ecomax pro 8 4 general information important notice the boiler is supplied in one pack and the flue is supplied separately. This boiler is factory set for use on natural gas (g20), ecomax pro 28e only can be field adjusted for us...

  • Page 9

    4 general information water system 5 instructions for use, installation and servicing ecomax pro 9 4.5 electrical supply the boiler must be earthed. All system components shall be of an approved type and all wiring to current i.E.E. Wiring regulations. In ie refe- rence should be made to the current...

  • Page 10

    Water system 5 instructions for use, installation and servicing ecomax pro 10 5.5 inhibitor attention is drawn to the current issue of bs 5449 and bs 7593 on the use of inhibitors in central heating systems. If an existing system is to be reused take special care to drain the entire system, includin...

  • Page 11

    Water system 5 instructions for use, installation and servicing ecomax pro 11 5.9.3 pressure gauge a pressure gauge with a set pointer and covering at least 0 to 4 bar (0 to 60 lb/in2) shall be fitted perma- nently to the system in a position where it can be seen when filling the system. 5.9.4 domes...

  • Page 12

    6 boiler location and ventilation instructions for use, installation and servicing ecomax pro 12 fig. 6.1 * * * * increase to 25mm clearance from comb ustible material. † minimum clearance from permanent surfaces † a removable compartment door can be placed at least 5mm in front of the appliance. 5 ...

  • Page 13

    Flue 7 instructions for use, installation and servicing ecomax pro 13 7.2 flue termination the following details refer to both flue systems. A. The terminal must be positioned such that the pro- ducts of combustion can disperse freely at all times. B. In certain weather conditions a plume of water v...

  • Page 14

    7 flue installation preparation 8 instructions for use, installation and servicing ecomax pro 14 1) in addition, the terminal should not be nearer than 150mm to an opening in the building fabric formed for the purpose of accommodating a built-in element such as a window. 2) dimension b,c and d; thes...

  • Page 15

    8 installation preparation boiler fixing 9 instructions for use, installation and servicing ecomax pro 15 fig. 8.3 to allow for the flue passing through the wall at this angle a 127 mm hole should be drilled irrespective of internal or external installation. If necessary remove the template whilst d...

  • Page 16

    10 gas, water and condensate connections instructions for use, installation and servicing ecomax pro 16 10 gas, water and condensate connections 10.1 gas connection before connection check the supply of local gas. The gas supply can be connected from below, or through the wall at the rear of the boi...

  • Page 17

    Flue preparation and installation 11 instructions for use, installation and servicing ecomax pro 17 11.2 extension pipes refer to figs. 11.3 and 11.4. Note maximum permitted flue lengths. When extension pipes are required please note the length of the extensions, which should be taken into account w...

  • Page 18

    11 flue preparation and installation instructions for use, installation and servicing ecomax pro 18 11.4 flue attachment to boiler lubricate the internal rubber seal of the flue outlet on the boiler with a suitable lubricant. Push and twist the flue adapter into position on top of the boiler and sec...

  • Page 19

    Electrical connections 12 instructions for use, installation and servicing ecomax pro 19 disconnect and remove the test cable from the terminal strip and discard. Connect both the mains supply and switched live from the external controls (room thermostat and, if applica- ble, frost thermostat) into ...

  • Page 20

    13 commissioning instructions for use, installation and servicing ecomax pro 20 13 commissioning note! During commissioning the overheat thermostat may trip before air is completely removed from the system. If this occurs the boiler can be reset by pushing the manual reset button on the overheat the...

  • Page 21

    Commissioning 13 instructions for use, installation and servicing ecomax pro 21 the boiler will then continue to fire until the user con- trols are satisfied. Note: after the first power up the firing sequence chan- ges. After one minute stabilisation time the boiler will ramp slowly to full rate ra...

  • Page 22

    14 conversion 14 natural gas to lpg conversion (ecomax pro 28e only) the ecomax pro 28e is able to be field adjusted for use on lpg – propane g31 gas. To enable conversion the use of a combustion analyser is necessary. Important! After converting from natural gas to lpg, recommission and check boile...

  • Page 23

    Conversion 14 instructions for use, installation and servicing ecomax pro 23 fig. 14.4 - again in screen ‘8’, set the appliance fan speed/bur- ner to minimum by pressing the ‘-‘ key until ‘1’ (burner to pmin) is shown on the right hand side of the screen. Press the ‘mode’ button again. Fig. 14.5 - c...

  • Page 24

    15 servicing instructions for use, installation and servicing ecomax pro 24 15 servicing 15.1 general to ensure the continued safe and efficient operation of the boiler it is recommended that it is checked and ser- viced as necessary at regular intervals. The frequency of servicing will depend upon ...

  • Page 25

    Servicing 15 instructions for use, installation and servicing ecomax pro 25 15.3 burner refer to figs. 15.2, 15.3, 15.4 and 15.5. Isolate the gas supply at the gas service cock. Disconnect the gas supply at the union nut of the gas service cock. Note! Do not disconnect at the gas valve. Remove the t...

  • Page 26

    15 servicing instructions for use, installation and servicing ecomax pro 26 15.4 combustion chamber and heat exchanger refer to fig. 15.2. Remove loose debris from combustion chamber using a soft brush and vacuum cleaner. Carefully flush any remaining debris through the condensate trap (ensure the w...

  • Page 27

    Combustion analysis 16 instructions for use, installation and servicing ecomax pro 27 16 combustion analysis note! The boiler is fitted with a combustion analysis test point. A suitable combustion analyser can be connected to this point to establish the com- bustion performance of the boiler. It is ...

  • Page 28

    16 combustion analysis fault finding 17 again in screen ‘8’, set the appliance fan speed/burner to minimum by pressing the ‘-‘ key until ‘1’ (burner to pmin) is shown on the right hand side of the screen. Press the ‘mode’ button again. Fig. 16.5 check the co 2 value, which should be 8.8 % ± 0.2 %. I...

  • Page 29

    Fault finding 17 instructions for use, installation and servicing ecomax pro 29 no. Description comments 18e 28e action 1 central heating maximum output set minimum to maximum product output (kw) 18 28 adjustable 2 flue system pressure loss no function adjustable 3 minimum temperature for set minimu...

  • Page 30

    17 fault finding instructions for use, installation and servicing ecomax pro 30 17.2 fault memory the fault memory stores details of the five most recent faults. To display the fault memory, proceed as follows; • with the interface in ‘normal’ mode, press and hold the ‘mode’ button ( ) for 10 second...

  • Page 31

    Fault finding 17 instructions for use, installation and servicing ecomax pro 31 code description comment f1 ignition fault (lockout) no gas; insufficient gas; incorrect gas valve adjustment; electrode defect; failed to light ignition lead defect; electronic igniter defective; check air inlet duct; c...

  • Page 32

    17 fault finding instructions for use, installation and servicing ecomax pro 32 fig. 17.3 fan control pcb / dc fan supply room stat frost stat 230 v interface pcb main pcb main user display interface br b 17.4 fault finding.

  • Page 33

    Short spare parts 18 instructions for use, installation and servicing ecomax pro 33 18 short spare parts 1 2 3 4 6 7 9 10 8 5 11 12 fig. 18.1 key no. Part no. Description 1 190260 fan assembly 2 090750 spark electrode 3 091258 igniter unit 4 053574 gas control valve 5 101771 heating flow & return nt...

  • Page 34

    19 boiler specification instructions for use, installation and servicing ecomax pro 34 ecomax pro ecomax pro 18 e 28 e units maximum ch heat input (net) 18.9 28.6 kw ch heat output (80/60 °c) 5.0 - 18.3 5.3 - 28.2 kw ch heat output (50/30 °c) 5.3 - 20.0 5.7 - 30.6 kw sedbuk band a a sap seasonal eff...

  • Page 35

    Instructions for use, installation and servicing ecomax pro 35.

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    83 4 9 3 9 gb 01 05 /2 004 · s ubject t o alt er ation head office: vaillant ltd. Service solutions 0870 6060 777 vaillant house trident close medway city estate rochester kent me2 4ez technical advice 01634 292392.