1
Compact
INTRODUCTION
Fig.1 General Layout
1 Flue Analysis Test Point
2 Pressure Tube Negative
3 Fan Assembly
4 Heat Exchanger
5 Secondary thermistor
6 Combustion chamber
7 Burner
8 Expansion vessel
9 Water pressure switch
10 Domestic Hot Water Flow Switch
11 Gas Valve
12 Timeclock
13 CH position
14 Fault indicator led
15 Mode selector switch
16 DHW position
17 Pressure gauge
18 Safety valve
19 Pump
20 Auto air vent
21 Electrode
22 High limit thermistor
23 Primary thermistor
24 Air chamber (with cover removed)
25 Air pressure switch
26 Auto by pass (fig. 2)
27 Water flow restrictor (fig. 2)
The Vokera Compact range of appliances are combined
central heating and domestic hot water boilers, which –
by design – incorporates full sequence electronic ignition,
circulating pump, expansion vessel, safety valve,
pressure gauge, automatic by-pass, and mechanical time
clock.
Compact is produced as a room sealed appliance, suitable
for wall mounting applications only. Compact is provided
with a fan powered flue outlet with an annular co-axial
combustion air intake that can be rotated – horizontally –
through 360 degrees for various horizontal or vertical
applications, and can also be converted for use with a
rear flue outlet. Compact can also be used with the
Vokera twin flue system.
This appliance is designed primarily for use with sealed
systems; consequently it is not intended for use on an
open vented system.
Fig. 1
35
150
95
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