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Wiring dimensions.
WPS 2.9
Wire size
1,5 mm²
# 16 AWG
2,5 mm²
# 14 AWG
4,0 mm²
# 12 AWG
6,0 mm²
# 10 AWG
WPS 3.5
Wire size
2,5 mm²
# 14 AWG
4,0 mm²
# 12 AWG
6,0 mm²
# 10 AWG
10 mm²
# 6 AWG
WPS 5.2
Wire size
2,5 mm²
# 14 AWG
4,0 mm²
# 12 AWG
6,0 mm²
# 10 AWG
10 mm²
# 6 AWG
16 mm²
# 4 AWG
* The wire length is the total distance from the
battery to the pump and back to battery. It is
recommended to use a relay with a light wire
from main cable to switch to shorten the main
leaders.
Maintenance
The system should be periodically, and at first
start, sanitized using the following procedure:
1. Fill the tank with a solution of household
bleach and potable water
(1 ml bleach/1 liter water).
2. Open all faucets and run until water
flowing smells of bleach.
3. Close all faucets.
4. Drain solution from tank.
5. Refill tank with potable water.
6. Open all faucets and run until bleach has
been purged.
Clean the filter periodically by removing the
white filter insert using the following proce-
dure:
10
1. Remove the end of the filter.
2. Pull out the white insert.
3. Clean the insert with bleach and a brush.
4. Put the insert back and screw back the end
Max wire
length* in m
12 V
24 V
5
21
Pressure adjustment of the accumulator tank:
8
34
1. Shut off the pumps.
13
55
2. Open a faucet to relieve the system
19
82
3. Adjust precharge pressure in tank with a
Max wire
length* in m
4. Start up the system according to start-up
12 V
24 V
5
21
8
34
13
55
Start-up procedure
19
82
After pump installation, using the following
procedure can start the system:
• Fill water tank with potable water.
• Open one tap.
Max wire
• Turn on the pump.
length* in m
• Close tap once water begins flowing.
12 V
24 V
• Open each additional tap until all air has
5
22
8
34
• Pump will shut off after taps are closed
12
52
20
86
31
138
Self-priming
Pump unit is self-priming up to 2 m/6.5 feet
for WPS 2.9 & 3.5 and 2.5 m/8.2 feet for
WPS 5.2. Intake lines must be airtight to en-
sure self-priming.
Dry running
Pump unit will not be damaged by shorter pe-
riod of dry running. It will, however, unneces-
sary reduce your battery power.
Accumulator tank
The accumulator tank incorporated in the sys-
tem is there to provide a smooth water flow
and reduce on/off cycling of the pumps. Less
wear and longer service life for the pump are
achieved. The accumulator tank is precharged
at 0.8 bar. The pressure should be checked
from time to time. (Look under maintenance)
of the filter taking notice of the rubber
gasket.
pressure.
ordinary tire gauge and tire pump at
valve in end of the tank.
procedure.
been purged from the system.
and pressure builds to the set point of the
pressure switch
Original instructions