Webasto DBW 2020 Workshop Handbook

('
\
m Technical data
1.2 Permissible dimensions
H ea ter
DBW2010 DBW2020
DBW300,
DBW2
01 2 DBW2022
Fuel line:
0 imernal mm
6 1) 61) 6 1)
Lengthmax. m 10
10
1Q
Suction lift max. m
2
2)
2 2) 2 2)
Combust. air: 0 internal
mm 44or 80 80 80
.Length max.
m .
5
5 5
Beodsmax. 270°
270°
270°
Exhaust:
0 internal mm 38
70. or80 70 or 80
Length max. m 5 5 5
Bends max.
270•
210· 210·
Water:
3
)
0 internal mm 18 38 38
Min. heating circuit capacity
4
)
I 10 10
10
Differences
in temperature tJ. t
K (•C)
15 10 10
1.3 Technical data of water circulating pumps
Water c ir culating pumps U4810 U 4814
Fl ow rate 1 /h
1 600 5200
(against
0. 15 bar) (against 0.2 bar)
Nominal
vo ltage
v-
12 or 24
Operating voltage
V- ·
10 ... 14
or 20 . .. 24
,
Rated input
w 25 104
Nominal speed
min-
1
5000
'
4000 •
Dimensions:
Le ngth mm 173 221
Breadth mm 94 108
Height
mm
\
77
/'
105
Weight kg 0.8 2
\-- 1
Recommended
for heater: \
DBW2010
DBW2020
DBW2012 DBW300
/\
DBW350
Chara ct eristic of water circulating pumps (12 an d 24 V ol t) at nominal speed
bar
AP
AP
Q 3150 700 1080 1, 00 17&0 2100 2.4&0 2800
Q
Water circulating pump U 4810
F low rate
(with water at 20°
C)
bar
' 1,0
:0, 1
0,1
· 0,1
,o,e
o .•
o .•
0,3
0.2
0,1
-- ........ 1~
. _ __ ..., _
, '-• . . '·, Ii.. . I/
0 lOOO 2000 3000 .tOO() eooOfOOO '· ,ooo ~
Q
1.-
. Water circulating pump U. 48.16
- - Resistance to flow
(with pump stationary)
. ; ~ .
DBW350
61)
10
·.2
2)
80
5
210·
70
5
210·
38
10
10
U48 16
6000
.- 11 -
1
)
Other dimensions- on
request.
2
)
If the max. suction head
is reached,
we suggest
the installation
of a
valve.
3
)
Inside diameter must be
dimensioned sufficient.
4) Max . values for vehicles
out of the StVZO.
(against 0.4 bar)
6
) .
Choice of water cir.cula-
ting pump depends on
resistance of water
circuit.
A P
24
20 ... 28
215
5300
295
113
114
4.75
DBW2020
DBW300
DBW350
bar
1,0 ·
......
o.•
, , 124~
0,1
0,7
, .
o, ~
O,t
o,•
o,3
....
0,2
....
.. ,
0
-t-• · ,- ~~ - -""_· . +-+--+--+-+-41 ► 1 / h
'. o 1000 2000 l<lOO .ooo !'000 0000 1000 aooo
0
Water 'circulatlng pump U 4814
t:,. p: Pressure differences between the
bo th connection pipes of the pump
(1 bar= 14,5 lb/ in
2
= 33 ft . water lift).
www.butlertechnik.com
www.butlertechnik.com

Webasto DBW 2020 Specifications

General

Brand	Webasto
Model	DBW 2020
Category	Water Heater
Language	English