
6 720 611 400 GB (03.11)
4
Details of the appliance
1
Details of the appliance
1.1
EC Declaration of Conformity
This appliance is in accordance with the applicable
requirements of the Gas Appliance Directive, Boiler Effi-
ciency Directive, Electromagnetic Compatibility Direc-
tive and the Low Voltage Directive.
1.2
Standard package
• Gas condensing combination boiler for central heat-
ing and domestic hot water
• Control panel cover
• Wall mounting frame
• Fixings (screws etc.)
• Set of documentation for appliance
• Pre-plumbing manifold
• Condensate drain pipe
• Filling loop.
1.3
Description of appliance
• Wall-mounted appliance.
• Natural gas models are low-emission appliances
• Multi function display
• Bosch Heatronic control system with integrated text
display for service functions and faults
• 3-channel - digital timer for one heating circuit
• Variable pump
• Automatic ignition
• Modulating control
• Full safety systems incorporating Bosch Heatronic
with flame ionisation monitoring, solenoid valves and
temperature sensors
• Concentric flue/air duct with testing point for
CO
2
/CO
• Regulated speed fan
• Pre-mix burner
• Temperature control for central heating
• Temperature sensor in domestic hot water
• Safety temperature limiter in 24 V electrical circuit
• Relief valve, pressure gauge, expansion vessel, Auto
air vent
• Flue gas temperature limiter (105 °C)
• Hot water priority circuit
• Motorised 3-way valve
• Plate-type heat exchange
• Condensate Trap.
PIN
CE-0085 BL0507
Category UK
II
2H 3P
Appliance Type
C
13
, C
33
Table 1