General
1
We reserve the right to make technical modifications
Buderus Ltd. • http://www.buderus-domestic.co.uk
Servicing manual Gas condensing boiler Buderus 500-24/S, 500-24/C and 500-28/C • Issued 02/2006
9
box 7
Key to terms
Item 1:
Ionisation electrode
Item 2:
Glow ignitor
Item 3:
Automatic air vent
Item 4:
Safety sensor
Item 5:
Clamp for heat exchanger cover
Item 6:
Plate heat exchanger
Item 7:
Condensate trap
Item 8:
Flow NTC sensor
Item 9:
DHW flow regulator
Item 10: Pressure gauge
Item 11: Concentric flue gas adaptor
Item 12 Fan
Item 13: Frame
Item 14: Gas/Air unit
Item 15: Sight glass
Item 16: Gas valve
Item 17: Heat exchanger
Item 18: Gas supply pipe
Item 19: Identification plate of boiler
Item 20: Air silencer tube
Item 21: Flue gas pipe
Item 22: Flue gas safety temperature limiter (STL)
Item 23: Pump 15-50
Item 24: Pressure relief valve discharge pipe
Item 25: Syphon
Item 26: Identification plate showing gas category
Item 27: Connection block
Item 28: DBA control panel
Item 29: RTH converter / junction box
box 8
General points
A
WARNING!
DANGER OF FATAL ACCIDENT
FROM EXPLOSIVE FUMES
If you smell gas
z
There is a danger of explosion.
z
No naked lights. No smoking. DO NOT use a naked
light to detect possible leaks.
z
DO NOT operate any device that is likely to produce
sparks.
z
DO NOT operate electrical switches of any kind
(including telephones, plug-in devices and
doorbells)
z
Shut off the gas supply at the main valve.
z
Open doors and windows.
z
Warn other occupants of the building (but DO NOT
use the house intercom or doorbells).
z
Contact the gas supplier from a telephone located
outside the building.
z
If you detect an audible gas leak, evacuate the
building immediately, prevent other persons from
entering, and notify the police and fire service
immediately (from a telephone OUTSIDE the
building).
H
WARNING!
DANGER OF FATAL ACCIDENT
due to electric shock
A
CAUTION!
General information on maintenance work.
I
USER INSTRUCTIONS
Instructions for optimum usage, correct adjustment of
the boiler and other useful information.
A
CAUTION!
Use eye protection, inhalation protection, hearing,
gloves, shoes etc. on the right time.