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Installation
Locate the pump in a dry location.
1. If the pump is mounted vertically, the motor shall
face up.
2. Mark screw positions and drill pilot holes
(see drilling template page 16).
3. Mount the pump using stainless steel screws
taking care not to over compress the vibration
dampening rubber feet.
4. Reinforced, high-pressure flexible tubing is
recommended. If rigid pipe is used, a length
(minimum 9"/225 mm) 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.
5. Use stainless steel hose clamps to secure tubing
to quick disconnect fittings and other hose barbs
in the system.
NOTE: A strainer must be installed in line before the
pump intake, to prevent debris from entering pump
and interfering with proper functioning of valves.
Electrical installation
1. The pump must be installed according to SS-EN
ISO 10133 (Small craft – Electrical system –
Extra low voltage DC installation for continous
current). Note: The fuse must be
ignition protected.
2. The motor is equipped with built in thermal
protection to prevent the motor from overheating.
The protection is automatically restored when the
motor is cooled.
3. If the pump is connected with separate earth
lead, this should be yellow/green and connected
to the motor base.
4. See the wiring table for correct installation.
Negative wire must be black. Choose wire size in
accordance with total wire length.
5. The wire connections must be sealed with a
marine sealant.
NOTE: Before installation with 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.
WPS-Manual.indd
Wiring table
Max 8"
(0.2m)
Terminal
+
–
fuse
Black
Green/yellow
Other electrical devices, e.g. switch, circuit break-
er, must be installed between the pump and the
positive (+) lead on the battery (on the red wire).
Wiring dimensions
(based on 3% voltage drop)
3.4
Wire size
14 GA
(2.5mm
)
2
12 GA
(4mm
)
2
10 GA
(6mm
)
2
6 GA
(10mm
)
2
5.0
Wire size
14 GA
(2.5mm
)
2
12 GA
(4mm
)
2
10 GA
(6mm
)
2
6 GA
(10mm
)
2
4 GA
(16mm
)
2
* The wire length is the total distance from the
battery to the pump and back to the battery.
It is recommended to use a relay with a light
wire from main cable to switch to shorten the
main leaders.
Red
Pump
Max wire
length* in feet (m)
25 (7.7)
40 (12.3)
61 (18.5)
101 (30.8)
Max wire
length* in feet (m)
17 (5.2)
27.6 (8.4)
41.3 (12.6)
68.9 (21)
110.2 (33.6)
/1/0 11:0: PM
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