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Pressure and capacity data
(based on water at +20°C/68°F and at
full voltage of the motor)
WD 2.9
Pressure
Bar
kPa Psi
0
0
0
0,4
40
5,8
0,8
80
11,6 8,1
1,2
120 17,4 7,3
1,6
160 23,2 6,7
2,0
200 29
2,4
240 29
2,8
280 40,6 4,1
Fuse required
WD 3.5
Pressure
Bar
kPa Psi
0
0
0
0,5
50
7,3
1,0
100 14,5 11,4
1,5
150 21,8 11,0
2,0
200 29,0 10,6
2,5
250 36,3 10,2
3,0
300 43,5 9,9
3,5
350 50,8 9,6
4,0
400 58,0 9,3
4,5
450 65,3 9,1
Fuse required
WD 5.2
Pressure
Bar
kPa Psi
0
0
0
0,5
50
7,3
1,0
100
14,5 16,6
1,5
150
21,8 15,5
2,0
200
29
2,5
250
36,3 13,4
3,0
300
43,5 12,4
3,5
350
50,8 11,4
4,0
400
58
4,5
450
65,3 9,7
5,0
500
72,5 8,7
Fuse required
Installation and maintenance
Installation
Locate the pump in a dry location.
If the pump is mounted vertically, the
motor shall face up.
Original instructions
Flow
Amp. draw
l/min USGPM
12V
9,4
2,4
2,5 A 1,1 A
8,8
2,3
3,3 A 1,4 A
2,1
4,0 A 1,8 A
1,9
4,6 A 2,1 A
1,8
5,2 A 2,4 A
5,8
1,5
5,8 A 2,7 A
4,9
1,3
6,4 A 3,0 A
1,1
6,9 A 3,2 A
10 A
Flow
Amp. draw
l/min USGPM
12V
12,2
3,2
2,6 A 1,2 A
11,5
3,0
3,5 A 1,6 A
3,0
4,2 A 2,1 A
2,9
5,2 A 2,5 A
2,8
5,9 A 2,8 A
2,7
7,0 A 3,3 A
2,6
7,7 A 3,7 A
2,5
8,8 A 4,0 A
2,5
10,0 A 4,5 A
2,4
10,4 A 4,8 A
20 A
Flow
Amp. draw
l/min USGPM
12V
18,9
5
3,6 A
17,8
4,7
5 A
4,4
6,6 A
4,1
7,8 A
14,5
3,8
9,1 A
3,5
10,4 A
3,3
11,7 A
3
13 A
10,6
2,8
13,8 A
2,6
14,8 A
2,3
15,9 A
20 A
Mark screw positions and drill pilot ho-
les (see drilling template page 48).
Mount the pump using stainless steel
screws and with the accompanying
washers (over the rubber feet); taking
care not to over compress the vibration
dampening rubber feet.
24V
Reinforced, high pressure flexible tubing
is recommended. If rigid pipe is used, a
length (225 mm/9 inches minimum) of
flexible tubing shall be installed between
the pump and the rigid pipe. This will
address noise and/or damage caused
by vibration transmitted to rigid pipe.
Use stainless steel hose clamps to se-
5 A
cure tubing to quick disconnect fittings
and other hose barbs in the system.
A strainer must be installed in line be-
fore the pump intake, to prevent debris
24V
from entering pump and interfering with
proper functioning of valves.
Electrical installation
The pump must be installed according to
ISO 10133 (Small craft – Electrical sys-
tem – Extra low voltage DC installation for
continuous current). Note: The fuse must
10 A
be ignition protected.
The motor is equipped with built in
thermal protection to prevent the mo-
tor from overheating. The protection is
automatically restored when the motor
24V
is cooled.
1,7 A
If the pump is connected with separate
2,4 A
earth lead, this should be yellow/green
3 A
3,6 A
and connected to the motor base.
4,2 A
See the wiring table (next page) for
4,8 A
correct installation. Negative wire must
5,2 A
5,7 A
be black.
6,2 A
Choose wire size in accordance with
6,5 A
total wire lenght (see table next page).
7 A
The wire connections must be sealed with
10 A
a marine sealant.
N o t e : B e f o r e i n s t a l l a t i o n w i t h
electrical control systems, check that
equipment to be used is of sufficient
rated capacity to accept amperage draw
of motor. Low voltage will cause motor
to overheat.
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