1
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The Syntesi e appliance is a high-efficiency combination
boiler with outputs to heating & DHW.
The appliance – by design – incorporates electronic
ignition, circulating pump, expansion vessel, safety valve,
pressure gauge, and automatic by-pass.
This appliance is not suitable for use with LPG.
The Syntesi e is produced as room sealed, category
II2H appliances, suitable for internal wall mounting
applications only. It 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
INTRODUCTION
various horizontal or vertical applications. The Syntesi e
appliance can also be used with the Vokera twin flue
system.
The Syntesi e appliance is approved for use with C12 &
C32 type flue applications.
This appliance is designed for use with a sealed system
only; consequently they are not intended for use on open
vented systems.
Fig. 1
Fig.1 General Layout
1
Safety Valve
2
Pressure Switch
3
Diverter Valve Motor
4
Domestic Heat Exchanger
5
Pump
6
Automatic Air Release Valve
7
Main Burner
8
Electrode
9
Main Heat Exchanger
10
Latent Heat Collector
11
Condense Sensor
12
Flue Gas Analysis Test Point
13
Flue Outlet
14
Air Intake
15
Differential Analog Pressure Switch
16
Silicone Tube
17
Fan Assembly
18
Combustion Chamber
19
Burner Temperature Control
20
Expansion Vessel
21
Transformer
22
Gas Valve
23
Modulator Coil
24
Condense Trap
25
Domestic Hot Water Flow Switch
26
Hot Water Temperature Control
27
Mode Selector Switch
28
Status LED
29
Temperature Indicator
30
DHW Request LED
31
Central Heating Temperature Control
32
Combustion Switch
33
Timeclock Aperture (optional)
34
Pressure Gauge
34
33
32
26
27
29
30
28
31