Details Of The Appliance; Ec Declaration Of Conformity; Standard Package; Description Of Appliance - Worcester benchmark ZWB 7-25 R 25 HE Design, Installation And Servicing Instructions

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.
PIN
Category
UK
Appliance Type
Table 1
1.2

Standard package

• Gas condensing combination boiler for central heat-
ing and domestic hot water
• Wall mounting frame
• Fixings (screws etc.)
• Set of documentation for appliance
• Pre-plumbing manifold
• Condensate drain pipe.
4
CE-0085 BL 0507
II
2H 3P
C , C
13 33
1.3

Description of appliance

• Wall-mounted appliance, siting not dependent on
room size
• Natural gas models are low-emission appliances
• Multi function display
• Bosch Heatronic control system
• 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 /CO
2
• 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
• Three-speed central heating pump with automatic
vent
• Relief valve, pressure gauge, expansion vessel
• Flue gas temperature limiter (105 °C)
• Hot water priority circuit
• Motorised 3-way valve
• Plate-type heat exchange
• Condensate Trap.
6 720 611 441 GB (03.11)