WEBASTO DBW SERIES HEATERS TECHNICAL DATA
Technical Data
General Information
Where no threshold values are specified,
technical data are understood to include
standard tolerances for heater units of ± 10%
at ambient temperature of + 20 °C (+ 68 °F)
and at nominal voltage.
Electrical components:
Control unit, fan and circulation pump
motors, solenoid valve, igniter box, heater
cartridge, nozzle pre-heater and timer are
voltage sensitive components. Temperature
limiter, overheat fuse, control thermostat,
flame sensor and switches are voltage
independent components.
Heater DBW 2010 DBW 2020 DBW 300
Mark of conformity ~ S 129 ~ S 136 ~ S 164
Heater design principle High pressure fuel atomizing nozzle
Heat output kW/h (BTU/h) 13.1 (45,000) 23.3 (80,000) 30 (104,000)
Fuel Diesel #1, Diesel #2, Arctic grade and Kerosene
Maximum fuel consumption l/h (US gal/h) 1.5 (0.4) 3.0 (0.79) 4.0 (1.05)
Rated nominal voltage V 12 or 24
Operating voltage V 10 ... 14 or 20 ... 28
Nominal power consumption W 60 120 130
(without circulation pump)
Permissible operating ambient °C (°F) - 40 ... + 60 (- 40 … + 140)
temperature range
(heater, control unit, circulation pump)
Permissible storage temperature °C (°F) + 85 max. (+ 185)
Permissible operating pressure bar (psi) 0.4 ... 2.0 (06 … 29)
of coolant system
Minimum capacity of circuit l (US. Gal) 10.00 (2.64)
CO
2
in exhaust at nominal voltage Vol.-% 10.5 ... 11.0
CO in exhaust at nominal voltage Vol.-% 0.2 maximum
Dimensions of heater length mm (in.) 584 (23”) 680 (26-23/32”)
width mm (in.) 205 (8-1/6”) 240 (9-1/2”)
height mm (in.) 228 (10”) 279 (10-29/32”)
Weight (without enclosure) 15 kg (33 lbs.) 22 kg (48 lbs.)
Heater Data
Refer to adjacent table
Table 4: Heater Data
31
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