VOKERA Linea Manual de servicio descargar pdf (Pagina 3)

Linea 24 & 28

1

These appliances are designed for use with a

sealed heating system only and are not in-

tended for use on an open vented system.

The provision of stored domestic hot water is

possible by the addition of an indirect cylinder

with 'S' or 'Y' plan controls.

An automatic range-rating facility is incorpo-

rated in the boiler for the central heating sys-

tem in conjunction with the electronic burner

modulation. The domestic hot water (dhw)

service utilises a motorised control combined

with a 3 port diverter valve to give hot water

priority which also benefits from a preheat

function.

The Vokèra Linea 24 & 28 are combined

central heating and domestic hot water appli-

ances. By design they incorporate full se-

quence electronic ignition, circulating pump,

expansion vessel, safety valve, temperature

gauge, pressure gauge and 3 port diverter

valve.

They are produced as room sealed appli-

ances suitable for wall mounting applications

only. They are provided with a fan powered

flue outlet with an annular co-axial combustion

air intake which can be rotated through 360

degrees. A vertical & twin flue option is avail-

able They are also suitable for S.E. duct instal-

lation.

SECTION 1 INTRODUCTION

Fig.1 General Layout

1 Flue Outlet

2 Air Intake & Restrictor Ring

3 Pressure Differential Switch

4 Silicone Pressure Tubes

5 Expansion Vessel

6 Main Heat Exchanger

7 Flow NTC

8 Electrode

9 Gas Valve & Ignition Control

10 Modulator Coil

11 Domestic Heat Exchanger

12 Domestic Hot Water Flow Switch

13 Status LED

14 Temperature Indicator

15 Central Heating Temperature Control

16 Combustion Switch

17 Timeclock Aperture (optional)

18 Pressure Gauge

19 Mode Selector Switch

20 Hot Water Temperature Control

21 Safety Valve

22 Pressure switch

23 Diverter Valve Motor

24 Pump

25 Automatic Air Release Valve

26 Main Burner

27 Combustion Chamber

28 Fan Assembly

29 Air Chamber (with front removed)

30 Flue Gas Analysis Test Point

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18

13

17

16

15

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