Parts overview
a
A
Pump head assembly
B
Valve assembly
C
Diaphragm assembly
D
Motor assembly
1
Pressure switch
1a
Pressure adjuster
1b
Bypass valve (auto)
1c
Inlet port (suction)
Troubleshooting
Problem
Suggestions
•
Check lines for kinks.
Pulsating flow.
•
Plumbing lines or fittings may be too small.
Pump cycles ON
•
Clean faucets and filters.
and OFF.
•
Check fittings for tightness (prevent air leaks).
•
Restricted inlet or discharge line.
•
Air leak in inlet line.
No pump dis-
•
Punctured pump diaphragm.
charge - failure
to prime but
•
Initial current supply (amps) not high enough to start the motor.
motor operates.
•
Debris clogging the valves.
•
Crack in the pump housing.
•
Loose or incorrect wiring.
•
No power supplied to the pump circuit.
•
Blown fuse or thermal protection triggered.
- Blown fuse: replace the fuse with one that is of the same type and specifica-
Motor does not
tion.
switch ON.
- Thermal protection triggered: switch power off, allow pump to cool down, re-
move the conditions triggering therrmal protection, then switch pump back on.
•
Failed pressure switch.
•
Damaged motor.
•
Punctured diaphragm.
•
Discharge line leak.
Pump does not
•
Defective pressure switch.
switch on when
•
Clogged valves in pump head.
all fixtures are
- Try pouring water into the inlet to separate (unstick) the valve and the valve
closed.
seat
•
Insufficient voltage.
•
Air leak at pump inlet.
•
Accumulated debris inside pump or housing.
Low flow / low
•
Worn pump bearing (possibly accompanied by loud noise).
pressure.
•
Punctured diaphragm.
•
Damaged motor.
•
Check if the mounting feet are screwed in too tightly.
•
If the mounting surface is flexible it may be vibrating.
Noisy
•
Check for loose parts, screws.
•
If the pump is plumbed with rigid piping, it may transmit noise.
This is a publication by Conrad Electronic SE, Klaus-Conrad-Str. 1, D-92240 Hirschau (www.conrad.com). All rights in-
cluding translation reserved. Reproduction by any method, e.g. photocopy, microfilming, or the capture in electronic data
processing systems require the prior written approval by the editor. Reprinting, also in part, is prohibited. This publication
represent the technical status at the time of printing.
Copyright 2023 by Conrad Electronic SE.
c
d
b
*2386386_v6_0323_02_dh_m_en
1d
Outlet port (discharge)
2
Pressure switch diaphragm
3
Pump head
4
Quick attach clip
5
Diaphragm
6
Rubber feet
7
Motor
Disposal
This symbol must appear on any electrical and electronic equipment placed on the EU market.
This symbol indicates that this device should not be disposed of as unsorted municipal waste
at the end of its service life.
Owners of WEEE (Waste from Electrical and Electronic Equipment) shall dispose of it separate-
ly from unsorted municipal waste. Spent batteries and accumulators, which are not enclosed by
the WEEE, as well as lamps that can be removed from the WEEE in a non-destructive manner,
must be removed by end users from the WEEE in a non-destructive manner before it is handed
over to a collection point.
Distributors of electrical and electronic equipment are legally obliged to provide free take-back of waste.
Conrad provides the following return options free of charge (more details on our website):
•
in our Conrad offices
•
at the Conrad collection points
•
at the collection points of public waste management authorities or the collection points set up by manu-
facturers or distributors within the meaning of the ElektroG
End users are responsible for deleting personal data from the WEEE to be disposed of.
It should be noted that different obligations about the return or recycling of WEEE may apply in countries
outside of Germany.
Technical data
Input voltage / current ........................... 12 V/DC, 15 A
Fuse ...................................................... 30 A
Protection class .................................... III
Ingress protection ................................. IPX5
Pressure setting .................................... 2.8 bar
Inlet pressure ........................................ max. 2 bar
Run dry safe ......................................... yes
Duty cycle ............................................. intermittent
Ignition protected .................................. no
Adjustable pressure switch ................... yes
Adjustable bypass ................................ no
Self priming ........................................... yes
Thermal protection ................................ yes
Pump type ............................................ diaphragm
Priming ................................................. 1.8 m suction lift
Fluid medium ........................................ fresh water, salt water
Fluid medium temp. .............................. max. 60 ºC
Discharge head .................................... min. 23 m
Wire lead .............................................. 1.5 mm
Flow rate ............................................... max. 1020 l/h
Hose connection ................................... ø19 mm
Operating/Storage temp. ...................... 0 to +40 ºC
Dimensions (W x H x D) ....................... 102 x 99 x 255 mm
Weight .................................................. 2180 g
2