Download VOKERA Syntesi e Technical data

Contents
Design principles and operating sequence
1.1
Principle components
1.2
Mode of operation (at reset)
1.3
Mode of operation (Heating)
1.4
Mode of operation (DHW)
1.5
Safety devices
1.6
Optional accessories
Technical data
2.1
Central heating
2.2
Domestic hot water
2.3
Gas pressure
2.4
Expansion vessel
2.5
Dimensions
2.6
Clearances
2.7
Connections
2.8
Electrical
2.9
Flue details (concentric)
2.9A
Flue details (twin pipes)
2.10
Efficiency
2.11
Pump duty
2.12
Emissions
General requirements (UK)
3.1
Related documents
3.2
Location of appliance
3.3
Gas supply
3.4
Flue system
3.5
Air supply
3.6
Water circulation
3.6.1
Pipework
3.6.2
Automatic by-pass
3.6.3
Drain cocks
3.6.4
Air release points
3.6.5
Expansion vessel
3.6.6
Filling point
3.6.7
Low pressure sealed system
3.6.8
Frequent filling
3.7
Electrical supply
3.8
Showers
3.9
Mounting on a combustible surface
3.10
Timber framed building
3.11
Inhibitors
General requirements (EIRE)
3.A1
Related documents
3.A2
Location of appliance
3.A3
Gas supply
3.A4
Flue system
3.A5
Air supply
3.A6
Water circulation
3.A6.1 Pipework
3.A6.2 Automatic by-pass
3.A6.3 Drain cocks
3.A6.4 Air release points
3.A6.5 Expansion vessel
3.A6.6 Filling point
3.A6.7 Low pressure sealed system
3.A6.8 Frequent filling
3.A7
Electrical supply
3.A8
Showers
3.A9
Mounting on a combustible surface
3.A10
Timber framed building
3.A11
Inhibitors
3.A12
Declaration of conformity
Installation
4.1
Delivery
4.2
Contents
4.3
Unpacking
4.4
Preparation for mounting the appliance
4.5
Fitting the flue
4.5.1
Concentric flue
4.5.2
Concentric horizontal flue 60/100 mm
4.5.3
Concentric vertical flue 60/100 mm
4.5.4
Concentric horizontal flue 80/125 mm
4.5.5
Concentric vertical flue 80/125 mm
4.5.6
Twin flue system
4.6
Connecting the gas and water
4.6.1
Gas
4.6.2
Flow and return
4.6.3
Cold water inlet
4.6.4
Hot water outlet
4.6.5
Safety valve
4.6.6
Condense pipe
4.7
Electrical connections
4.7.1
Casing removal
4.7.2
Appliance terminal block
4.7.3
Connecting the mains (230V) input
4.7.4
Connecting the Vokera time clock
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Commissioning
5.1
Gas supply installation
5.2
The heating system
5.3
Initial filling of the system
5.4
Initial flushing
5.5
Filling the hot water system
5.6
Pre-operation checks
5.7
Initial lighting
5.7.1
Checking burner pressures
5.8
Final flushing of the heating system
5.8.1
Inhibtors
5.9
Setting the boiler operating temperature
5.9.1
Setting the domestic hot water temperature
5.10
Setting the system design pressure
5.11
Regulating the hot water
5.11.1 Changing the flow restrictor
5.11.2 Regulating the central heating system
5.12
Final checks
5.13
Instructing the user
Servicing instructions
6.1
General
6.2
Routine annual servicing
6.3
Replacement of components
6.4
Component removal procedure
6.5
Pump assembly
6.6
Safety valve
6.7
Automatic air release valve
6.8
Water pressure switch
6.9
Pressure gauge
6.10
Primary thermistors
6.11
High limit thermostat
6.12
Printed circuit board
6.13
Gas valve
6.14
Integral time switch
6.15
Electrode, burner thermostat, burner & injectors
6.16
Flue fan
6.17
Main heat exchanger
6.18
Air pressure switch
6.19
Flow restrictor
6.20
DHW flow switch
6.21
DHW heat exchanger
6.22
Valve actuator
6.23
Divertor valve assembly
6.24
Secondary thermistor
6.25
Automatic by-pass
6.26
DHW non-return valve
6.27
Expansion vessel
6.27.1 Expansion vessel removal
6.27.2 Expansion vessel removal
6.28
Latent heat collector
6.28A
Dismantling the latent heat collector
6.29
Condense trap removal
Checks, adjustments and fault finding
7.1
Checking appliance operation
7.2
Appliance mode of operation
7.2.1
Selector switch in the off position
7.2.2
Selector switch in the hot water only position
7.2.3
Selector switch in the heating & hot water position
7.2.4
Appliance functions
7.2.5
Heating mode
7.2.6
DHW mode
7.3
Checking and adjusting burner pressure
7.3.1
Setting the maximum burner pressure
7.3.2
Setting the minimum burner pressure
7.4
Combustion analysis test
7.5
Checking the expansion vessel
7.6
External faults
7.6.1
Installation faults
7.7
Electrical checks
7.7.2
Short circuit test
7.7.3
Polarity check
7.7.4
Reversed polarity or supply fault
7.7.5
Resistance to earth check
7.8
Fault finding
7.9
Fault codes
Wiring diagrams
8.1
External wiring
8.2
Typical control applications
8.3
Vokera time clock
8.4
Vokera remote control
8.5
Vokera room thermostat
8.6
Other controls
Exploded diagrams
Table 1 - 5
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