Symbol Identification; Heater Description - Webasto DBW 2010 Installation Manual

6 Foreword

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,
DANGER
WILL result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided,
WARNING
COULD result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided,
CAUTION
MAY result in minor or moderate injury or property damage.
It may also be used to alert against unsafe practices.
OR

Heater Description

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.)
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These symbols are used to alert the installer to important or useful information about proper
installation of the equipment.
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
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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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