Foreword
www.webasto.us Webasto Product N.A., Inc. www.techwebasto.com
6
Symbol Identification
The purpose of safety symbols is to attract your attention to possible hazardous conditions. This manual uses a series of
symbols and signal words which are intended to convey the level of importance of the safety messages. The progression of
symbols is described below. Remember that safety messages by themselves do not eliminate danger and are not a
substitute for proper accident prevention measures.
Indicates an imminently hazardous situation which, if not avoided,
WILL result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided,
COULD result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided,
MAY result in minor or moderate injury or property damage.
It may also be used to alert against unsafe practices.
These symbols are used to alert the installer to important or useful information about proper
installation of the equipment.
Heater Description
DANGER
WARNING
CAUTION
OR
Fig. 1 Heater Description of DBW 2010
1 Electronic control unit
2 Motor
3 Electronic ignition coil
4 Coupler
5 Combustion air fan
6 Solenoid valve
7 Electrode holder
8 Outlet water pipe (1 in. OD.)
9 Inlet water pipe (1 in. OD.)
10 Ignition electrodes
11 Fuel nozzle
12 Overheat fuse
13 Control thermostat
14 Overheat limiter
15 Heat exchanger
16 Exhaust pipe
17 Combustion air swirler
18 Combustion tube
19 Flame detection photocell
20 Fuel pump (single line, no return)
21 Fuel connection pipe (JIC #4)
22 Combustion air intake
23 Reduction gearing
24 Nozzle preheat cartridge
25 Preheat thermostat
26 Bleed screw
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