Meridian 5.24 Installationshandbuch

1 5.24 and 5.32 N3V CONDENSING GAS – FIRED WALL MOUNTED STAINLESS STEEL BOILER Heating only or with external tank and Solar System INSTRUCTIONS

10 . N.B.: in systems with zones with different temperatures, the factor available with the low temperature room thermostat closed goes from 0.5 t

11 Table 4 code fault Type of block F1 No start-up or no flame detected Manual resetting is required F2 Safety thermostat intervenes Manual res

12 N.B.: do not activate the solar system if the optional 2 sensor kit has not been installed because this may cause the system

13 1.8 Definitive dismantling. In the event of the boiler definitive dismantling, it is to be performed by qualified personnel. Make sure that also t

14 2 INSTALLER INSTRUCTIONS 2.1 Boiler installation 2.1.1 General rules The boiler installation is intended to be fixed and it must be carried out by

15 Clearances shall provide provision for service access and protection from combustible surfaces. Minimum clearances from combustible su

16 2.4 Condensate drainage system. The condensate produced inside the boiler must be drained. Therefore the boiler is provided with a con

17 Professionally qualified personnel shall verify that the electric supply system is adequate to the apparatus maximum power (140 W please see

18 SRSSSE (optional)SSPSSBSF158121012639Kit 2 sonde SolarSystemmorsetti a vite esterniPSspina esterna Key CR - Remot contro (optional) EA – ignition

19 Adjustment trimmer PBC P4: maximum fan speed P5:fan speed during ignition P2:minimum fan speed P7: thermo setpoint or k factor setting with e

2 WARNING Before filling the heating system , new or existing, is necessary to check that it will

20 potentiometer. In this way, you can adjust the flow temperature ±5°C by keeping the curve slope adjusted on trimmer P7 as described in Chap. 1. T

21 no control on the boiler functions which depend on the control panel commands. If the boiler has to operate at low temperature

22 An example of a hydraulic diagram for mixed temperature systems is given below. A mixing system as SILE TBA/TBA-M, must be used. The

23 BY PASSCONDENSA 5.24 - 3.15SBLOCCO 2.11 Filling the condensate drainage system. Take off the plug on the condensate drainage system and fill it w

24 BY PASSIIIIIICONDENSA 5.32T AAMB.M1M2 M3V1 V2 V3TA1 TA2 TA3N LN L N L220/240 V. 220/240 V. 220/240 V. 2.14 Zone system

25 Fig. 9 2.17 Safety valve Hot Water Storage tank (where used) The safety valve with is calibrated at 8 bar pressure. During the heating of the

26 Slope 5mm/m to the bottom *** In positioning the terminals, distances must be no less than 500 mm when they are near to materials

27 cutting an extension of 1 m at the required dimension. The air/flue duct must be installed on a perfectly horizontal position since it alre

28 Vista A11071245Ø12815950120Ø6039Ø102Ø62Ø100Ø6087 A) Concentric air/flue ducts for roof outlet with PP outlet inner, ø 60/100 mm B) Lead

29 2.23 Separate air inlet/flue outlet system. Type C43 Please see also the specific catalogue "Air/flue Kits" - KIT AC for further informa

3 INDEX INDEX... 3 BOILER

30 or 1 m. extensions as necessary for a total of 18 linear meters. Pay particular attention to the catches as they must guarantee the complete seali

31 Ø80Ø80Sigillare con maltadi cementoSigillare con siliconeo malta di cementoInclinare verso l'alto di 5 mm/m.Inclinare verso ilbasso di 5 mm/m

32 opening has to have a net section not smaller than the ventilation door and it is to be protected by means of grilles or similar devices • in o

33 2 1 Display in solar mode: - When solar function starts a solar system icon light up . - For 10 seconds after the solar pump activat

34 3 SERVICING INSTRUCTIONS 3.1 First start-up tests. Before starting up the boiler, check that: ♦ the fuel delivery line complies with current stan

35 This is a safety parameter which blocks the solar circulator functioning when the tank boiler is greater than the parameter. For

36 to the time and temperature reached. It is set to ON for multi-zone systems controlled by thermostats/programmable thermostats. I

37 Gas Pressure Regulation Models 5.24 & 5.32 Natural Gas CO2 at Max Input CO2 at Min Input Model 5.24 9.3% 9.0% Model 5.32 9.7% 9.3%

38 3.3.1 Measurement and adjustment of percentage of CO2. per MERIDIAN 5.24 e 5.32 (valve system + mixer Honeywell) To set the CO2 value, do the fol

39 AB 3.3.2 Measurement and adjustment of percentage of CO2 for MERIDIAN 3.15 (valve system + mixer SIT) The adjustment of the gas valve and cons

4 3 SERVICING INSTRUCTIONS ... 34 3.1 First start-up tests. ...

40 ⇒ adjust by turning the screw only 1/8 turn and waiting for at least 1 minute after every turn for the value to stabilise; ⇒ Proceed as follows

41 iii. the selector from the Off position to the Reset position. b) A number for the parameter selected with the sanitary knob is shown on the lef

42 • Check the soundness of the gas circuit • Check that there is no presence of water leakage from the boiler internal connections • Check that

43 fig. 4 fig. 5 - To remove the heat exchanger and the burner : a) Screw out the four screws from the heat exchanger sides b) ta

44 3.14 Problems, causes and solutions. The burner ignites and then blocks (code 1 on the display) The burner doesn’t

45 SOLUTIONS 2) Check and replace defective parts 13) check the efficiency of the safety thermostat. If it works the boiler is overheating: ch

46 Filtro acqua termoFiltro acqua sanitaria12345678910111213141516171819 A2021222324252526272829 A30 A31323334353638Condensa 3.15 - 5.24 - 5.32 N3V30

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48 Legenda Esploso N° Code Component description Mod N° Code Component description Mod 1 907610203 Water gauge Ø37 scale 0-4 bar

49 3.15 Warranty This warranty is valid provided that all the appropriate rules and standard procedures for the installation and use have been strict

5 BOILER DIAGRAM AND LEGEND MERIDIAN 5.24 e 5.32 N3V 2827262930333231353419 203 bar22 2324255891076342116 1715141311122118 1)Flue /air outlet ducts

6 CHARACTERISTICS, DIMENSIONS AND TEMPLATES 76543284585016868Ø60/100236450250280 (mod.5.32)B1376914511342Ø804065 659142654865169113571.366035Ø12335vi

7 1 USER INSTRUCTIONS 1.1 General warnings. This instruction Booklet constitutes an integral and essential part of the product. Make sure

8 1.2 First start-up. Before the first start-up, please check that the system is properly filled with water and that it has pressure 1 ÷ 1.3 bar, the

9 When using an external sensor, the flow temperature is automatically calculated according to the external temperature and the K coefficient that