Akw P12 User manual

Please read all instructions before installation and leave this document with the end user for future reference as
it contains important warranty information
P12 Shower Waste Pump
INSTALLATION MANUAL

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2
TABLE OF CONTENTS
Table of Contents
Specification .........................................................................................................................................................................3
Dimensions............................................................................................................................................................................4
Main Components................................................................................................................................................................5
Plumbing Zone......................................................................................................................................................................6
Preparing the Pump .............................................................................................................................................................7
Plumbing Connections .................................................................................................................................................. 8 - 9
Setting Flow Direction .......................................................................................................................................................10
Electrical Installation..........................................................................................................................................................11
Commissioning Checks ....................................................................................................................................................12
Troubleshooting..........................................................................................................................................................13 - 14
Notes.....................................................................................................................................................................................15
Contact Us ...........................................................................................................................................................................16

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3
SPECIFICATION
Specication
P12 Shower Waste Pump
Specification
Shower Compatibility
Electric Shower
Mixer Shower
Maximum Capacity 12 lpm
Ingress Protection IPX4
Inlet Connectors 22 mm
Outlet Connectors 22 mm
Max. Outlet head 2 m
Max. Inlet lift 350 mm
Variable Speed Yes (with P12D Controller)
Compatible Wastes 22 mm Outlet
Inlet/outlet direction Selectable
Supply 24v DC

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4
DIMENSIONS
Dimensions
133.2
209.5
92.0
66.0
196.2
337.3
Mounting Dimensions
160
23
129

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5
MAIN COMPONENTS
Main Components
Conrm you have all the correct parts required. Ensure the volume of water from the shower does not exceed
the pumps drainage capacity. Note: Increased Head/Lift conditions will affect the pump’s performance.
Box Contents
Main Components
Pump Terminals
Latch
Cover
Pump
Wall Plate
Assembly
Inlet and Outlet
Connections
Wall Plate
Pump Motor
P12 Flexible Installation Kit -
Standard (see page 8)
X1 FS-X062 Flow Switch,
X2 Push-Fit Fittings
X1 Y Filter
X2 FS-X062 Flow Switch,
X4 Push-Fit Fittings
X2 Y Filter
Mixer Shower Electric Shower
OR

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PLUMBING ZONE
Plumbing Zone
This product is rated IPX4 and suitable to be installed within Zone 1 or Zone 2 of a shower room only if
these instructions are fully complied with. It must not be fitted within Zone 0.
The unit must be located away from the direct line of water jets.
Zone 1 lies above Zone 0 up to a minimum of 2.25m or to the height of the fixed shower head from the
finished floor level, which ever is greater.
If the shower has no tray then zone 1 extends to 1.2m around the fixed shower head.
Zone 2 is the area extending 0.6m beyond Zone 1 and up to the same height as Zone 1.
Diagram for guidance only - please refer to BS7671 for further details.

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7
PREPARING THE PUMP
Preparing the Pump
Preparing Pump for mounting
1) Remove cover
2) Unscrew and open bracket with a 5 mm hexagonal key, then twist pipe connectors to unlock pump
3) Remove Pump from mounting plate
Fit to a finished surface.
Pipe connections must be easily accessible and
a clearance of 100 mm around the base and
sides is recommended. Using the back plate as a
template mark the fixing holes.
Drill and plug the wall taking care there are no
hidden cables or pipes. Use all the screw fixing
positions.
Mount the backplate to the finished surface and
attach pump component. Ensure it is secure by
locking the pipe connectors, closing the bracket
and tightening the bolt.

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PLUMBING CONNECTIONS
Plumbing Connections
Note: Item 1 will need cutting down to create two hoses.
Illustrations below show the waste outlet direction going from
Left to Right - to change the direction, see page 10.
P12 Flexible Installation Kit - Standard (Stock Code: 05PP21)
Installation - Tray
Installation - Former
Item No. Title Qty.
1 3 m Flexible Hose 1
2 Ø43 mm Straight Solvent
Weld Coupler ABS
1
3 22 mm Pipe 2
4 Flexible Hose Collar 1
5 Pipe Coupling Kit 1
6 Hose Clamp 20-32 mm 4
43 mm Solvent
Weld Pipe
43 mm Solvent
Weld Pipe
Waste Tray
Former
Floor
Waste
Floor
Use item 4 to protect the
exible pipe when detailing
the oor covering

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9
PLUMBING CONNECTIONS
Plumbing Connections
350 mm max.
LIFT
2 m max.
HEAD
Shower Head
Shower Tray/Waste
MINIMISE PIPEWORK LENGTH WHEREVER POSSIBLE.
DO NOT LEAVE EXCESS PIPE COILED UP BENEATH SHOWER TRAY
OR
For best performance locate within 1m (39in) of shower and minimise the number of
lifts, bends and the length of all pipes connecting the pump to the waste outlet pipe.
Note: Increased Head/Lift conditions will affect the pump’s performance.
CAUTION
CAUTION
READ INSTRUCTIONS
BEFORE INSTALLING
THIS PRODUCT
Important: pipe connections must be easily accessed and pipework must be secured to prevent vibration and
noise.

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10
SETTING FLOW DIRECTION
Setting Flow Direction
Select the direction using the
table shown and connect the
pump cable to the P12 using
the spades and wire end to the
control interface.
Connection Flow Direction
A to A and B to B Left to Right
B to A and A to B Right to Left
Control Interface
SENSOR 1
0 S +
SENSOR 2 AUX PUMP
0 S +
AB
P12 Pump
A
B
Pump Cable
Pump Cable

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11
ELECTRICAL INSTALLATION
Electrical Installation
The pump unit must be located on a vertical surface with the waste water inlet/outlet connections horizontal
at the bottom of the unit.
The unit must be located away from the direct line of water jets.
Cable to and from the pump must be run directly out of zone 1 by the shortest route into the vertical surface.
Cables must be protected against mechanical damage and sealed against water ingress.
The clearance behind the unit and separation from the wall must be minimal and the gap must not be sealed.
No cable joints may be made in zone 1.
The outer cover must be correctly fitted.
Mixer Shower
Mains Supply
Consumer unit
30mA RCD
5A double-pole
un-switched fused
spur
Sensor cables Flow Switches
Filter
Isolating valves
Controller and Pump
Mixer Shower
Electric Shower
Electric Shower
Mains Supply
Consumer unit
30mA RCD
Isolating valve
Filter
Wired connection option -
Showers with pump control
output
Controller and Pump
Wireless Pump Interface option -
compatible AKW showers only
Flow Switch option - Showers
without pump control output
5A double-pole
un-switched fused
spur

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COMMISSIONING CHECKS
Commissioning Checks
As a general precaution and check before installation, always ensure the supply pipework to the
shower has been fully purged with at least 20 litres (2 buckets) of water through it before the flow
switch is installed. Any building debris in the water supply will adversely affect the switch function
and may also damage the shower heater/mixer.
Install pump according to these instructions.
Failure to do so may void warranty
Brush out all dust, grit and debris
from shower tray
Thoroughly clean out waste
Confirm shower water supply pipework is flushed
before connecting to the shower switch via the filter
Refer to Controller Manual for Controller
Commissioning

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13
TROUBLESHOOTING
Troubleshooting
Reported Fault Possible Causes Checks/Actions
Pump does
not activate
when shower is
turned on.
Flow switch(s)/sensor(s)
not connected properly.
Note: Status LED on the
controller will ash when
receiving a valid ow signal.
External switch/sensor installation
Check switch/sensor installation and integrity
of wiring.
Electric Shower with integral switch/sensor
Check integrity of wiring between shower and
controller.
Refer to shower manual for correct settings.
Electric Shower wireless connection
Refer to shower manual for correct settings
and installation of wireless module.
Refer to controller manual for correct settings
and installation of wireless module.
Incorrect controller setup. Refer to controller manual and conrm menu
settings.
Flow switch(s) blocked. Check lter is tted before ow switch and
that neither lter nor switch is blocked.
Insufcient ow rate to
activate ow switch.
Check for minimum ow rate of 2lpm (electric
shower) / 4lpm (mixer shower).
Connection from controller
to pump broken.
Check wiring integrity.
Faulty pump motor. Replace unit.
Pump ow rate
too fast/too
slow or delay
time/run-on
time too long/
too short.
Incorrect controller
setting(s).
Refer to controller manual for correct settings.
Continued...

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TROUBLESHOOTING
Troubleshooting
Reported Fault Possible Causes Checks/Actions
Pump starts but does
not draw water.
Air leak or blockage in
pump inlet pipework.
Attach temporary exible hose to inlet
side of pump. Spray shower into a
bucket, insert hose to bucket and check
pump discharge.
If OK, check installed pipework to
pump.
Blockage in pump outlet
pipework.
Attach temporary exible hoses to
inlet and outlet sides of pump. Spray
shower into a bucket. Insert inlet hose
to bucket and check for discharge
with outlet hose inserted to a second
bucket.
If OK, check installed pipework from
pump.
Flow direction reversed. Swap polarity of electrical connection
to pump.
Faulty Pump. Replace unit.

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15
NOTES
Notes

© AKW Medi-Care Limited 2023
Orders & Quotes
01905 823 299
[email protected]
General Enquiries
01905 823 298
[email protected]
Technical Enquiries
01905 560 219
[email protected]
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01905 823 262
[email protected]
Fax
01905 823 297
AKW
Pointon Way, Hampton Lovett
Droitwich Spa, WR9 0LR
www.akw-ltd.co.uk
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Warranty
Warranty applies only to manufacturing or material
defects, conditional on the one-time correct installation
of the product. It does not apply to:
• Inappropriate use or accidental damage.
• Damage or defects that result from incorrect installation.
• Lack of maintenance including the build up of grime
or damage resulting from inappropriate cleaning.
• Damage or defects that result from repairs or
modications undertaken by unauthorised persons.
• General wear and tear through usage and does not
apply to surface nishes.
Warranty period starts from the date of installation.
See the T&Cs on our website for further information.
Select 1 of 2 ways to activate your warranty
1. Scan using your Smart Device
2. Visit Online
akw-ltd.co.uk/warranty-information
What to do if something goes wrong?
In the event that you encounter a problem with this
product, follow the trouble shooting guide if applicable,
then contact your local installer. If the issue is still
unresolved, contact AKW Technical Enquiries who will
provide further advice and arrange for a maintenance
engineer to visit if necessary. None of the foregoing
affects your statutory rights.
Contact Us
22-012-032-01