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5. Refill tank with potable water.
6. Open all faucets and run until
bleach has been purged.
Wiring table
Max 0.2
+
–
Black
Green/yellow
Other electrical devices, eg switch,
circuit breaker, must be installed between
the pump and the positive (+) lead on the
battery (on the red wire).
Wiring dimensions
(based on 3% voltage drop)
WPS 3.4
Wire size
2.5 mm
2
4 mm
2
6 mm
2
10 mm
2
WPS 5.0
Wire size
2.5 mm
2
4 mm
2
6 mm
2
10 mm
2
16 mm
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.
10
m
Terminal
Switch
fuse
Pump
Max wire
lenght* in m
12 V 24 V
# 14 AWG
7.7 34.3
# 12 AWG
12.3
# 10 AWG
18.5
# 6 AWG
30.8
Max wire
lenght* in m
12 V 24 V
# 14 AWG
5.2
# 12 AWG
8.4
# 10 AWG
12.6
# 6 AWG
21
# 4 AWG
33.6
Start-up procedure
After pump installation, the system
can be started by using the following
procedure:
• Fill water tank
• Open one tap
• Turn on pump
Red
• Close tap once water begins flowing
• Open each additional tap until all air
has been purged from system
• Pump will shut off after taps are
closed and pressure builds to the set-
point of the pressure switch
Self-priming
Pump is self-priming up to 2 m/6 ft. for
WPS 3.4 and 2.5 m/8.2 ft. for WPS 5.0.
Intake lines must be air-tight to ensure
self-priming.
Dry running
Pump will not be damaged by shorter
period of dry running. It will, however, un-
necessary reduce your battery power.
Caution
Do not use pump for any other liquids
than fresh-water and sea-water.
Temperature
Max liquid temperature: +50°C/+120°F
Max ambient temperature: +60°C/+140°F
Winterizing
If water is not drained from the system
during freezing temperatures, damage
is likely to be sustained in the plumbing
23
and in the pump. To prevent damage
follow the instructions beneath:
1. Drain water storage tank.
2. Open all taps.
3. Run pump until remaining water is
expelled.
4. Disconnect inlet and outlet tubes.
Original instructions
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