ICON iSOLAR PDP Series User manual

iCON iSOLAR 4” PDP Instruction Manual 1
Auto Restart Pump Controller
4” Helical Solar Pump
BIA-PDP4 Solar 900 - 808695
BIA-PDP4 Solar 1200 - 808696
BIA-PDP4 Solar 1500 - 808697
iSOLAR V3 or Pro Controller must be used with motor.
*Controller not included with pump purchase
*iSOLAR V3 controller
Item code: 805989
*iSOLAR Pro controller
Item code: 805893
OR

2iCON iSOLAR 4” PDP Instruction Manual
1. Contents
1. Contents ............................................................................................ 2
2. Glossary ............................................................................................. 2
3. Introduction ....................................................................................... 3
4. ISO 7010 Symbols used in this manual.............................................. 3
SECTION ONE – Specifications and Features .......................................... 4
5a. iSOLAR Motor features and specifications ................................... 4 - 6
SECTION TWO – Installation Guide .......................................................... 7
6a. Warnings and Cautions before starting ........................................... 7
6b. Solar array installation................................................................ 8 - 9
6c. iSOLAR V3 Controller installation notes ........................................ 10
6d. Electrical Connections................................................................... 10
6e. Controller Operation ...................................................................... 11
6f. iSOLAR PDP4 pump installation notes..................................... 12 - 15
6g. Cable Jointing.................................................................................. 16
SECTION THREE – Pump operation ....................................................... 17
7a. Operation summary and commissioning ................................... 17 - 18
SECTION FOUR – Troubleshooting......................................................... 19
8a. Trouble shooting - Overview ..................................................... 19 - 21
8b. Trouble shooting chart..................................................................... 22
9. Warranties – Terms and Conditions................................................... 23
2. Glossary
Term Definition
Voc (V)
Volts - open circuit, nothing connected
Vmpp (V) or Vmp
Volts - maximum power point, under load
Isc (A)
Amps - short circuit
Impp (A) or Imp
Amps - maximum power point
DC Power in W
Vmp x Impp

iCON iSOLAR 4” PDP Instruction Manual 3
3. Introduction
Welcome to the iCON iSOLAR revolution!
The 4” Helical Rotor iSOLAR PDP4 increases the scope and flexibility of the iSOLAR
product suite. Employing the same proven, highly efficient and innovative iSOLAR
M220HR motor, the addition of a progressive cavity helical rotor wet end exploits
the versatility of the motor’s operating range to deliver water even when solar
conditions are less than optimum.
The iSOLAR 4” PDP can be installed down a bore, in a tank or fitted to a pontoon
to supply from an open body of water.
No more external energy costs! Just harvest the sun to move your water.
Progressive Cavity / Helical Rotor pumps can produce extremely high pressures
and all electrical energy must be treated with care. Stay safe and get the important
details right so you can enjoy the benefits of your purchase for many years to come.
4. ISO 7010 Symbols used in this manual
Warning - Electrical safety
Warning – Potential consequences of use outside of
intended application(s). Includes environmental condition
warnings.
Mandatory warning
Warning to disconnect power
Read carefully

4iCON iSOLAR 4” PDP Instruction Manual
SECTION ONE – Specifications and Features
5a. iSOLAR Motor features and specifications
The iSOLAR M220HR is a truly innovative rare earth, permanent magnet motor design
which can be powered with either AC or DC power.
The motor has an internal two stage electronic frequency converter and electronic motor
management programmed with MPPT and Vector control logic to select the best operating
point for the pump, based on the input energy available. The motor speed will vary from 0
to 3600 rpm depending on the load and available power input to deliver water in the most
efficient manner.
A helical rotor provides better system efficiency, more suitable for small flows and high
head applications. The stator is a special wear resistant rubber developed for Australasian
conditions with a chrome plated screw (rotor).
•Performance and service life of the system will be seriously reduced in water
containing a sand loading greater than 100g/m3.
•Water temperature has an impact on pump performance. Recommended
water temperature of 10°to 40°C.
•Maximum axial thrust 3000N.
•The maximum submergence depth is 150m.
The iSOLAR Motor internal electronics are capable of the following functions:
1. Accepts AC or DC power
2. MPPT (maximum power point tracking)
3. Vector control
4. Dry run protection
5. Reverse protection
6. Over-head protection
7. Over-load protection
8. Over-current protection
9. Lost-Phase protection
10. Missing-voltage protection
11. Over-power protection
12. Low voltage protection
13. Stall protection
Dry run protection is provided by the mandatory fitment of a low-level
water float included with each pump.
iSOLAR M220HR Motor Input Energy Limitations
Voltage Current
60 – 380Vmp
60 - 440Voc
12 Amp DC (Isc) Direct Current i.e. Solar
90 – 280V AC
Single Phase
10 Amp AC Alternating Current i.e. Generator or Mains Supply

iCON iSOLAR 4” PDP Instruction Manual 5
5b. V3 Controller functions and specifications
The iSOLAR M220HR motor can operate connected directly to a suitable power source.
The motor internal electronics provide some level of control and protection. The motor
runs when energy is available. In this state there is NO control over when the motor runs.
Used in conjunction with the V3 controller, the system has greater levels of protection
and additional functions which increase convenience for the user while improving the
reliability and durability of the pump. It has a display which shows the motor power
consumption.
When an alternative power source is available the controller can switch from AC to DC
and back. Connected to a compatible auto-start generator, the controller will manage the
generator operation automatically. Contact White International for details.
The controller enables connection of external control devices such as floats or pressure
switches to automatically maintain tank levels or stop the pump when no water is
available. Primarily, the controller prevents the motor from starting excessively.
The V3 controller is weather-proof (IP65) and intended for outdoor use.
Installation in direct sunlight, however, should be avoided.
V3 Controller functions
•Manual pump switching ON / OFF
•Three modes of operation
oAC MODE: power supplied from a Generator or Mains power
oDC MODE: power supplied from a Solar Array or Battery storage
oAUTO MODE: Automatic switching from DC to AC
•LED indication of Power On, Pump On, Pump Off
•LED Indication of operation interruption
•Motor power consumption display
•Over-voltage protection
•Automatic start and stop of a compatible generator
(contact White International for details of this option)
V3 Controller specifications
•The V3 Controller is designed, developed and
manufactured for use with the iSOLAR motor only
•AC and DC compatible
•AC voltage input range Single phase 90 – 280 VAC.
•DC voltage input range 60 – 380 Vmpp/440Voc.
•Accepts up to 3 inputs

6iCON iSOLAR 4” PDP Instruction Manual
Notes:

iCON iSOLAR 4” PDP Instruction Manual 7
SECTION TWO – Installation Guide
6a. Warnings and Cautions before starting
Please read the manual fully and carefully before starting.
Retain the manual for future reference.
Any changes or modification to the wiring must be carried out
by competent, skilled and suitably qualified personnel only.
Solar panels create electrical energy when exposed to light.
Always treat solar panels as live and handle with care.
The iSOLAR PDP4 motor has internal capacitors that MUST be
allowed to discharge before handling. A
llow 2 minutes for
stored energy to dissipate before handling the pump/motor.
Never open the cover while controller is
connected to an
electrical supply. Disconnect and allow 2 minutes for the
internal electronics to discharge before opening the cover.
The controller is IP65 rated but should not be exposed to direct
sunlight. Install the controller where it has excellent ventilation
away from direct sunlight or exposure to adverse weather.
Solar arrays are an attractive earth path for lightning strikes.
Ensure the panels and controller are well earthed.
Helical rotor pumps must be used in a clean water, sediment-
free environment. Even a small amount of sand may lead to
screw wear, jamming or performance degradation.
This appliance is not intended for use by persons (including
children) with reduced physical, sensory or mental capabilities,
or lack of experience and knowledge, unless they have been
given supervision or instruction concerning use of the appliance
by a person responsible for their safety. Children should be
supervised to ensure that they do not play with the appliance.

8iCON iSOLAR 4” PDP Instruction Manual
6b. Solar array installation
The power supply from a DC power source such as solar panels can cause
SERIOUS HARM or DEATH from electrocution
•Use appropriate safety procedures when working on any system component
•Only suitable qualified personnel should carry out electrical connection/disconnection
•Off-grid electrical equipment is subject to applicable regional and national electrical
standards
•Always treat solar panels as LIVE and handle with care
•Use correctly rated electrical cable and connectors
Solar Panels and their mounting systems (where applicable) are supplied separately and
with their own instructions for positioning and assembly.
Always connect the solar panels in series respecting the Max VOC and Max Amperage
of the motor and controller Excessive voltage or current can cause serious harm or
irreparable damage voiding warranty.
DC Volts: 60 to a Maximum of 380 Vmpp / 60 - 440 Voc
DC Amps Max 12A ISC
AC Volts: 90 to a maximum of 280 Volts single phase
AC Amps Max 10A
Connecting solar panels in Series results in the following:
•Output Wattage multiplies by the number of panels
•Output Voltage multiplies by the number of panels
•The Output Amperage remains the same as a single panel
Example panel spec:
310W Panel, 40.3 Voc, 33.4 Vmpp, Impp 9.58A, Isc 10.2 A
4 panels in series:
4 x 310W = 1240W, 4 x 40.3Voc = 161.2 Voc, 4 x 33.4 Vmp = 133.6 Vmp, 10.2 A Isc
6 panels in series:
6 x 310W = 1860W, 6 x 40.3Voc = 241.8 Voc, 6 x 33.4 Vmp = 200.4 Vmp, 10.2 A Isc
Adding more panels can effectively extend the length of the pumping day however the
pump output is constrained by the wet-end design and maximum pump motor rpm.

iCON iSOLAR 4” PDP Instruction Manual 9
6b. Solar array installation cont.
SOLAR ARRAY
•The Solar array must face True North.
•The solar panel angle should correspond to the latitude of the site.
Consult the instructions supplied with the solar array to assist your
decision regarding the best angle for your situation.
As a rule of thumb, solar panels should be more vertical during winter to gain
most of the low winter sun, and flatter during summer to maximize the output.
•Protect the array and controller from stock.
•Any shading whatsoever will reduce the solar panel(s) performance so locate the
panels with this in mind. Panel shadowing is like “open circuiting” a panel.
•Dust or bird droppings will impair the array energy output. Keep panels clean.
•Ensure the array is earthed to ground in the event of lightning strike
To minimise energy losses the following chart provides recommended cable sizes. If
calculating your own cable size, maximum voltage drop allowable is 3%.
ROOF MOUNT ARRAY (NZ Only):
Because the most common structure is a wooden frame, the panels and
mounting system have no direct path to earth. In the event of lightning strike,
the earth path is entirely via the combiner box.
•Install a minimum 6mm2 earth strap to a ground stake.
GENERATOR SIZING:
Total kW of the solar array, multiplied by 1.1 then divided by 0.8
= minimum kVa required from the generator.

10 iCON iSOLAR 4” PDP Instruction Manual
6c. iSOLAR V3 Controller installation notes
Controller and DC input power isolator
•Install the controller where it is shielded from adverse weather and out of direct
sunlight. Mounting in the lee of the array or inside an additional enclosure is
recommended.
•Earth the controller body to ground.
6d. Electrical Connections
Any electrical alterations or additional connections should be carried out by a
suitably qualified technician.
Ensure the controller is isolated before removing the cover to access the low
voltage circuit connections.
The controller is IP65 rated but should not be exposed to direct sunlight. Install the
controller where it has excellent ventilation away from direct sunlight or exposure
to adverse weather. Installation inside a separate open fronted enclosure is
suggested.

iCON iSOLAR 4” PDP Instruction Manual 11
6e. Controller Operation
No.
Name
Function
Power AC The V3 controller is connected to AC Power
Power DC The V3 controller is connected to DC Power
Auto The controller is in Automatic Mode with a bias to DC power.
If insufficient energy is available, the controller will switch to AC mode
AC The pump will run only on AC power
DC The pump will run only on DC power
Pump On Pump in operational mode
Pump Off Pump set to inactive state
1
6
2
3
4
5
7
The display LEDs illuminate to
indicate the available power
source (1,2) the control mode
(3,4,5)
and the operational
state (6,7)
If the low level or discharge
pipe controls are active the
TANK FULL
(TWL)
or TANK
EMPTY (WWL) will illuminate

12 iCON iSOLAR 4” PDP Instruction Manual
6f. iSOLAR PDP4 pump installation notes
White International shall not be held responsible for damage caused by
improper installation, use of incorrect cable specifications, negligent or careless
handling, lightning, improper voltage supply, corrosion due to impure water,
wear caused by sand, gravel or other abrasives in the water being pumped.
•Only suitable qualified personnel should carry out electrical connection/disconnection
•Off-grid electrical equipment is subject to regional and national electrical standards
•The iSOLAR PDP4 motor has internal capacitors that MUST be allowed to discharge before
handling. Allow 2 minutes for stored energy to dissipate before handling the pump/motor
The water source must be clean water free from contamination such as dirt, dust, loose
rocks, decaying organic matter or any other foreign bodies that could block the intake.
Sand greater than 100g/m3will accelerate wear and shorten the lifespan of
progressive cavity, helical rotor pumps such as the PDP4. Warranty does not cover
failure or wear due to abrasives in the water. The stator and rotor are considered wear
parts and will require replacing as pump performance diminishes with age.
GENERAL PRECAUTIONS
•Never support the weight of the pump by the drop cable/safety rope or by the
power cable. An unstrained safety rope must be connected to the bore pump
suspended on poly pipe. This line should be fastened to the lifting hook of the
pump. The other end should be fastened at the top of the bore casing/cap.
•Fit the low-level float to ensure the pump switches off should the water level
reach 150mm above the pump suction inlet.
An absent or inactive low water level float will result in damage should the
pump run dry voiding warranty.
•A check valve must be installed on the pump outlet or at the well head.
Additional check valves for heads greater than 80 metres may be necessary.
These will reduce water hammer shocks to the pump.
PUMP SHROUDING
A shroud is essential if the current drawn by the motor is above 2kW. The optimum
cooling will be achieved by a water velocity of 80mm/sec past the motor.
Estimated motor consumed wattage = total wattage of the solar array and less 30%.
PDP4 minimum and maximum flows
Minimum
(lpm)
Maximum
(lpm)
Recommended flow inducer I.D to cool
motor at minimum flow rate
PDP4 Solar 900
3
12
102mm ID
PDP4 Solar 900: Flow inducer sleeve optional due to low power draw
PDP4 Solar 1200
7
25
107mm ID
PDP4 Solar 1500
11
46
112 mm ID
Example: If the total size of the solar array is 3000W, less 30% = 2100W.
At peak power, it is expected to be above 2kW, so fit a shroud.

iCON iSOLAR 4” PDP Instruction Manual 13
6f. iSOLAR PDP4 pump installation notes cont.
•For best lifespan and reliability, a vertical installation is preferred
•If installed horizontally, pump side needs to be higher than the motor
•The motor bleed hole must be in the upright position when installed
Borehole installations
•Damage to pump or motor caused by abrasive or corrosive water is not
covered by the Warranty.
To prevent damage to the pump by aggressive water, an analysis of the bore
water should be carried out prior to installation to ensure pump suitability.
•The bore must be clean before installation. A helical pump
must NEVER be used to bail a new bore. Warranty does not
cover failure or wear due to abrasives in the water.
•Know the total depth of the bore and ensure that the pump
does not rest on the bottom or in sand. Ensure 1.5 metres
clear below the pump to the bottom of the bore.
•Know the pumping level (drawdown level) of the bore and
ensure that the pump is always submerged.
Minimum water level should always be 150mm above the
pump inlet.
In-tank installations
•The pump can be installed vertically or horizontally.
•Fit the non-return valve to the top of the pump.
•Rigid piping is recommended to prevent the pump twisting.
•Include a flushing or scour valve on the base of tank to enable
periodic cleaning of the tank bottom to minimise silt build-up.
•Pump side needs to be higher than the motor – motor bleed hole must be
positioned upwards to avoid airlock.
Pumping from an open body of water – Pond or Stream
•Vertical installation ensures best lifespan, but it is acceptable to
sling the pump horizontally.
•Ensure the water is drawn constantly from below the
Water surface and without contamination.
•A simple, buoyant method of mounting the pump is
to build a pontoon from PCV fittings.
Note: Sand content not to exceed 100g/m3 of water pumped

14 iCON iSOLAR 4” PDP Instruction Manual
6f. iSOLAR PDP4 pump installation notes cont.
PRESSURE PIPE SELECTION
The iSOLAR PDP has a helical rotor. This type of pump can generate extremely high
pressures, particularly if they continue to operate in a no-flow / dead-head
situation.
Model
Hmax
Approx. pressure Bar/PSI
PDP4 Solar 900
300m
29.41 bar / 426.6 PSI
PDP4 Solar 1200
200m
19.61 bar / 282.4 PSI
PDP4 Solar 1500
140m
13.73 bar / 199.1 PSI
•Select and use suitably pressure rated water delivery piping.
•It is essential to fit a switching device to the delivery line to prevent closed head
operation.
•Open loop pipe systems minimise risk.
PRESSURE PIPE SIZING
The iSOLAR PDP4 range has modest output flows of so the resulting pipe friction losses
are low. The correct pipe sizing allows for the possibility of very long delivery piping.
The following table is a ‘worst possible case’ example. The pressure loss values per
100m of pipe length are for 16 bar rated pressure supply pipe at 3 flow rates.
Friction loss per 100m of pipe
Pipe size 10 lpm 20 lpm 40 lpm
MD 25 PN16
2.88 m
9.83 m
33.58 m
MD 32 PN16
0.90 m
3.06 m
10.47 m
MD 40 PN16
0.31 m
1.05 m
3.59 m
MD 50 PN16
0.10 m
0.36 m
1.22 m
LOW VOLTAGE, LOW-LEVEL FLOAT (dry-run protection - See Page 10.)
•The low-level float MUST be fitted into the TWL circuit to prevent dry running.
Installing a PDP4 pump without the low-level float voids warranty.
•The low-level float must be a minimum of 150mm above the pump inlet
If the float shuts the pump down due to a lack of water, the LED on the
controller display labelled ‘TANK FULL’ will illuminate.
When the water level rises the pump will restart after a 10-minute delay
PUMP MOTOR EARTHING
The iSOLAR M220HR motor cable has an earth lead which MUST be connected to
the Earth (ground circuit) of the V3 controller. If operating or testing the pump,
ensure the motor is well earthed to prevent a lethal shock hazard
If unsure, increasing the
pipe size by one size will
result in a substantial
reduction to the pipe
friction losses.

iCON iSOLAR 4” PDP Instruction Manual 15
6f. iSOLAR PDP4 pump installation notes cont.
Never perform insulation resistance checks using a megohmmeter as this can
damage the internal motor electronics.
Installation without the low-level
water float will void warranty.
Fitment of a pressure switch or
destination float level is strongly
recommended
Maximum Pump Submergence is 150m

16 iCON iSOLAR 4” PDP Instruction Manual
6g. Cable Jointing
Jointing kit contents:
4 x Item Crimp Connectors (BP025)
4 x Item 10mm x 60mm HEAT SHRINK TUBE with RESIN
1 x Item 25mm x 305mm HEAT SHRINK TUBE with RESIN
To ensure a properly sealed joint, a Heat Gun capable of > 275oC is required to
shrink the insulation sleeving (items 2 and 3).
1. Remove 100mm of outer insulation from each cable to be joined, taking care not to
damage secondary insulation.
2. Reduce the three wires of each cable to the dimensions shown in Fig.1, ensuring that
the wire colours align as Fig.2.
3. Slip item (3) over one end of the cable and item (2) over each of the three wires before
using item (1) Crimp Connector to join wires as shown in Fig.2. Complete all crimps and
locate item (2) over the completed crimps before commencing to heat shrink the
individual connections.
4. Locate item (3) centrally over the three wires and commence to shrink from one end
as shown in Fig.3.
When sleeving is shrunk to its maximum, the cable join is complete.

iCON iSOLAR 4” PDP Instruction Manual 17
SECTION THREE – Pump operation
7a. Operation summary and commissioning
•Ensure all electrical connections are joined correctly and there are no bare wires.
•Ensure any output valves fitted to the system are open.
•Check that the pump is completely immersed,
•Check the DC input isolator is switched on.
The POWER AC or POWER DC LED will illuminate when there is energy available.
Select the mode of operation: Auto, AC or DC (upper blue button)
The AUTO, AC or DC LED will illuminate to indicate the selected power mode
In auto mode, the controller will select the power source to run the pump depending on
input signals. Bias is always DC power source.
When the system is using AC power, the AC led light pulses in 10 sec intervals
When the system is using DC power, the DC led light pulses in 10 sec intervals
Note – When switching between modes, the motor needs to dissipate the energy stored
within the internal capacitors. This process takes 2 minutes. Repeated switching between
modes restarts the dissipation cycle, causing extended delays before the pump will run.
Press ON/OFF button to commence operation (lower red button)
The PUMP ON LED will illuminate.
The controller will assess the available energy. If the minimum threshold is met the
controller display will count down from 120 (seconds) to dissipate any internal stored
energy. This process cannot be sped up.
The controller will give a quiet click at the end of the countdown cycle and 16 seconds
later the motor will attempt to run.
As the motor starts, the display will indicate the energy the motor is consuming.
A
B

18 iCON iSOLAR 4” PDP Instruction Manual
7a. Operation summary and commissioning cont.
The internal electronics vary the pump running speed (and therefore flow output)
depending on the energy available by employing MPPT and Vector control to achieve
maximum efficiency.
Solar energy changes constantly especially on cloudy days. The display values will be
constantly changing as the pump adjusts to optimise the output based on the available
input power.
The display value indicates what the pump is currently consuming. It is not a measure of
solar array output. It is normal that the values are constantly changing.
Commissioning note:
It is common when commissioning a new installation that the available solar irradiation is
past the peak of the day or is compromised by cloudy or otherwise poor weather
Use a generator to check the installation. If the pump runs on AC power, it will run when
DC power is available.
Depending on the output of the generator vs the size of the array, the performance of the
pump when connected to the generator may be greater than maximum available from the
solar array. If a pressure switch is fitted to the discharge pipe it will be critical to ensure
the pump can attain the switch off pressure when connected to the solar array.
The low water level float must be installed as an interrupter in the control
circuit (TWL).Should it sense a lack of water the pump will shut down and the
LED on the controller labelled ‘TANK FULL’ will illuminate.
When the water level rises again the controller will count down from 600 (seconds). The
‘TANK FULL’ LED will switch off and the pump will commence its 120sec restart cycle.
Should the switch circuit TWL (float or pressure switch if fitted) stop the pump
running, the LED on the controller labelled ‘TANK FULL’ will illuminate.
When the pressure drops or float falls, the switch circuit opens again, and the controller
will first count down from 600 (seconds). The ‘TANK FULL’ LED will switch off and the
pump will commence its 120sec restart cycle.
To suspend operation, press ON/OFF.
The PUMP OFF LED will illuminate.
C
D
E

iCON iSOLAR 4” PDP Instruction Manual 19
SECTION FOUR – Troubleshooting
8a. Trouble shooting - Overview
Isolate all electrical sources before commencing any installation, servicing,
or repair on any component in the installation.
The iSOLAR PDP4 motor has internal capacitors that MUST be allowed to
discharge before handling. Allow 2 minutes for stored energy to dissipate
before handling the pump/motor.
The V3 Controller is used to switch AC and DC power supplies and can
automatically start a connected generator or switch between DC (Solar) or
AC (Generator / Mains) power sources at ANY time.
Ensure all energy sources and generator starting circuit is properly locked-
out before working on the system.
For the end-user, their expectation of how the pump should operate is often based
on conventional electric pumping systems.
In normal operation the iSOLAR M220HR motor is an ever-changing device as it constantly
adjusts itself to optimise the available power to maximise water delivery.
Every application is different, every power combination has an effect and environmental
conditions change how the pump operates. On sunny windy days with clouds blowing by
the pump operation can be positively erratic.
It may be that the ‘strange behaviour’ observed is simply the pump optimising the
available energy.
The best indication that there is a problem is if the water delivered per day is
dramatically less than normal.
Take the time to read the following information to gain an all-important understanding of
how the pump and controller are intended to operate.
Motor Internal electronics
The electronics inside the motor monitor current, rpm and electrical load. They adjust the
motor
according to the input power available .
If there is insufficient power for the motor to reach its target speed range (0 – 3600 rpm)
then the motor will shut down and begin its start-up cycle again.
Just because ‘the sun is shining’ does not automatically guarantee there is sufficient solar
energy for the pump to run, particularly early or late in the day.
If for example, the day is overcast, the pump may struggle to reach its optimum operating
range. The motor may have sufficient voltage but the overall wattage is too low to run the
motor at the necessary head so the motor will shut down and restart until the power is
stable. The same behaviour occurs if there is excessive start-up torque.

20 iCON iSOLAR 4” PDP Instruction Manual
8a. Trouble shooting – cont.
The motor does not know specifically why it is unable to run. Its internal programming is
intended to protect the pump should it be unable to operate within its safe duty range.
External factors such as insufficient flow (water starvation, excessive head/torque, or
other blockages) can also cause the motor to shut down so check entire system to ensure
the issue is not related to valving or piping etc.
V3 Controller
The controller does not directly contribute to the behaviour of the motor once it is running.
Rather the controller monitors the power available from the solar array and adds a greater
level of protection by allowing various control inputs (low level float and discharge pipe
pressure switch or destination float.
Section 7a, Pages 17 and 18 explains the start and stop procedures. The LED’s on the
display provide visual indication as to the operational state of the controller/motor.
•Check there is enough power at the controller (available Voltage and Amperage)
•Check for loose or poor DC voltage connections
•Check the inputs to the solar controller
To isolate the inputs - bridge the TWL (closed). Leave WWL open.
To eliminate the V3 iSOLAR controller as a possible cause of any unusual behaviour,
have a suitably qualified person connect the energy input from the solar array (DC) or
from a 240V AC power source directly to the motor.
Relay
Dials OFF
Filter Capacitor