Technical Information
35
15 Technical Data
Except where limit values are specified, the technical data below refer to
the usual heater tolerances of ± 10 % at an ambient temperature of
+20 °C and at the rated voltage.
15.1. Technical data of circulation pump
15.2. Technical data of metering pump
Circulation pump 4847 Econ
Volume flow rate [l/h] toward 0.1 bar approx. 900
Nominal voltage [V] 12
Operating voltage range [V] 9 to 16.5
Nominal power consumption [W] 14
Dimensions of circulation pump [mm] Max. length 95
Diameter 48.5
Weight [kg] approx. 0.3
Metering pump DP2 DP30.2
Fuel Petrol Diesel
Nominal voltage [V] 12 12
Perm. pre-pressure on intake side
[bar]
-0.1 to +1.5 -0.2 to +0.2
Pumping quantity [ml/h] at perm.
operating temperature and
clocking of 1 Hz
228 228
Perm. operating temperature [°C] -40 to +20 -40 to +20
Perm. ambient temperature
during operation [°C]
-40 to +20 -40 (-20 for PME)
to +20
1317098B_EA_TT_ZEC_DE_EN_ZH.book Page 35 Tuesday, July 3, 2012 1:08 PM