Johnson Pump AQUA JET WPS 3.4 12/24 V DC Manual De Instrucciones página 10

ENGLISH
5. Refill tank with potable water.
6. Open all faucets and run until
bleach has been purged.
Wiring table
–
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
2.5 mm
2
4 mm
6 mm 2
2
10 mm
WPS 5.0
Wire size
2.5 mm 2
4 mm 2
6 mm 2
10 mm 2
2
16 mm
* 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
Max
0.2 m
Terminal
+
Switch
fuse
Pump
Max wire
lenght* in m
12 V 24 V
# 14 AWG 7.7
# 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,
unnecessary reduce your battery power.
Caution
Do not use pump for any other liquids
34.3
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.