Dontek V2 Series Service manual

INSTALLATION INSTRUCTIONS
Controller Mounting
Find a suitable location to mount the control box. Ideally as with all pool equipment it should
be installed out of direct weather and no closer than 3 meters from the waters edge. Lift up
the two mounting tabs and use two appropriate screws to mount the control box to the wall,
keeping in mind that the power cable is 1. m long and should be plugged directly into a
general power outlet, not into an extension lead.
Pressure Switch for Retro-Fit (Booste ) Systems - Optional
If the V2 Controller is to be fitted to a Retro-Fit (Boosted) System the mains power cable is
to be plugged into its own power point and the Pressure Switch is to be fitted between the
main Filter Pump and Filter in a vertical or horizontal position and plugged into the left hand
plug socket beneath the controller. This will ensure that the booster pump only activates if
the main pool pump is operating. When a Pressure Switch is to be used the controller must
have this function turned on. To do this ensure the power is turned off to the unit, press and
hold the up and down buttons together while the power is switched on, release and a 33 will
briefly be displayed followed by a 44 for normal summer mode or 55 for tropical mode. To
switch off the pressure switch mode simply repeat the process and the unit will display the
44 or 55 only.
Pool Sensor
For stand alone systems with separate suction and return the pool sensor must be fitted into
the suction line of the solar boost pump, preferably in a position out of direct sunlight. For
retro-fit systems the pool sensor must be fitted in the suction line of the main filter pump or
between the outlet of the filter and before the take off Tee fitting for the solar boost pump.
It is recommended that a 14.5mm hole be drilled in the PVC pipe, this can be carried out
using a Dontek PD01 grinding drill or a small pilot hole can be drilled and a 14.0mm drill-bit
used spinning in a counter clockwise direction to minimize the chance of shattering pipe.
Insert the grommet into the pipe and gently push in the black sensor barb. The green sensor
plug is to be fitted to the centre plug socket.
Roof Sensor
Roof sensors must be fitted into a small piece of solar collector or equivalent and attached to
the roof. The best location is within arms length of the guttering edge of the house or shed
as long as the sensor end is not shaded and is on a roof of similar aspect of the main
collector run. It must not be fitted on top of the solar collector or fitted to high points on
the roof like Ridge Capping as false readings will be detected.
Keep in mind that it is of the utmost importance to keep the roof sensor as short as possible
as this will assist in the longevity of the sensor and controller in the event of electrical storm
activity and power surges. Sensor cables must not be run parallel to power cables and run
lengths should be less than 50m. Cable ties should be used to fasten the sensor cable to the
cold water inlet pipe making sure that the ties are approximately 10mm from PVC fittings.
Cable ties should be tightened only firm, over tightening can cause breaks in the outer PVC if
not careful. If the cable is to be run under ground a conduit must be used to protect the wire
and there is to be no cable joins within, ends of conduit must be sealed to prevent water
ingress. Any excess cable shoul be remove an re-fitte ensuring that the wire
en s are tinne with sol er. The sensor plug is to be fitted to the right hand socket.
Notes
All excess cable must be removed; coils of cable are not permitted under any circumstances and must not
be tied to 240V wiring. If the cable is to be extended with non genuine cable a size of 14/020 should be
used. Any cable joins must be sol ere an this inclu es where the cable enters the terminal
block at the case base. Heat shrink is to be used over soldered joints to eliminate moisture ingress. If the
cable end is to be refitted to the plug sockets then the polarity must be observed as incorrect polarity will
show an error as stated in Fault Diagnosis. The sensor cable with the thin white trace is the positive and
should be fitted to the right hand cable entry when the screws are in a vertical position.
Once cables have been correctly fitted the unit can be turned on.
Fault Diagnosis
In the event of a sensor or cable failure, the display will indicate the type of failure as follows;
ROOF SENSOR.
A display of 99 indicates a broken or disconnected sensor cable or open circuit sensor.
A display of indicates wrong polarity connection or short-circuited cable or sensor.
A display of 9 indicates a high sensor reading out of normal operating range.
A display of 00/03 indicates an over extended or coiled sensor cable. (When powered up with up button
pressed)
A flashing display of 44 or 55 may also indicate an over extended, coiled sensor cable or a corrupt sensor.
POOL SENSOR
A display of 77 indicates a broken or disconnected sensor cable.
A display of 66 indicates wrong polarity or short-circuited sensor cable.
A display of 67 indicates a sensor reading out of normal operating range.
Return to supplier for repair

WARRANTY – V2
This range of product is covered by a limited 3 year warranty against component
failure or faulty workmanship from the date of installation.
This warranty does not cover the temperature sensors supplied with the unit except
if they are found to be faulty at time of installation. Faulty units should be returned
in the first instance to the dealer from which the unit was purchased.
Damage to the unit due to misuse, power surges, lightning strikes or installation that
is not in accordance with the manufacturer’s instruction may void the warranty.
Valves and actuators are covered by a twelve month warranty at the discretion of
their manufacturer.
Warranty does not cover travel costs to or from installation site.
Return to supplier for repair
Customer Recor . (To be retained by the customer)
Dealer/Installer Name………………………………………………
Model Number………………………
Serial Number……………………….
Date Installed………………………..
…………………………………………………………………………
For service assistance phone [phone]
Dontek Electronics Pty Ltd
P.O. Box 239
Bayswater
Victoria 3153
www.dontekelectronics.com.au
MODEL V2 Series Digital Solar Controller
OPERATING INSTRUCTIONS
Your Solar Controller V2 should be left in normal Summer Mo e during the Pool Swimming Season,
this mode will be confirmed when first powered up as a 44 will be displayed. Set the desired pool limit
by pressing and holding the UP or Down Buttons. The display will show the pool temperature then flash
the limit setting and light, the pump light will be on when solar gain is available.
The V2 has a Winter Mo e, which turns the solar pump on for 3 minutes every 24 hours to assist in
the systems off-season maintenance. This may be entered by pressing and holding both the up and
down buttons together for 3 seconds, the display will go blank and the pump and limit indicators will
flash alternately. It will continue in this mode until either one of the buttons is pressed and held for 3
seconds, which will return the unit to normal run mode. When a flow switch is used ensure the winter
mode is activated during the filter run times only. If the power is interrupted during winter mode the
V2T will continue to count time accurately.
To assist in the cooling of an overheated pool the optional V2T has a Tropical Mo e. To set this
function first turn the unit off, then while holding the down switch pressed, turn the unit back on. The
display will briefly show 55 on the display to indicate the unit is in tropical mode. When in tropical mode
and the limit temperature is reached, which will be indicated by the limit light on solid, and the roof
temperature falls below the limit temperature (usually some time late at night) the pump will turn on
and pump pool water to the roof to cool it down. The pump will turn off when the pool water is cooled
to the limit setting. If a flow switch is fitted, the filter pump run time will need to be extended or set to
run at night time. To switch this function off, first turn the unit off, then while holding the down switch
pressed, turn the unit back on, the display will briefly show 44 on the display to indicate the unit is in
normal Summer Mode
Retro-Fit (Booste ) Systems - Optional
When Solar gain is achievable the V2 Controller detects constant water flow from the main filtration
system, the Pump light will flash for thirty seconds and then the solar boost pump will start. When filter
back washing is to be carried out the power to the V2 controller must be turned off. If Winter Mode is
to be selected, ensure that it is set during normal filter times and the main filter pump is running.
OPERATION
The V2 will turn the pump on when the roof temperature is higher than the pool (pipe) temperature by
°C. If a pressure switch is fitted the V2 will flash the pump light for 30 seconds when constant flow
from the main filter pump is first detected, then start the booster pump. When the pool temperature
reaches the limit setting the limit light will flash, it will remain in this state while the roof is hot to
prevent over heating the pool. The V2 will then wait for night time to pass and the roof to reach 40°C
the next day to start the process again, this is to prevent the solar starting to early in the morning. If
the roof does not achieve 40°C the following morning the system will break out of it’s hold mode 16
hours from when the pool first reached limit. These functions are to minimise pools from over heating
hence reducing water evaporation and consumption of chemicals. An auto flush program is incorporated
to ensure accurate pool temperature readings are obtained as the pool sensor is normally located well
away from the actual swimming pool and may sit in direct sunlight or in warm enclosures. When auto
flush is in wait mode the limit light will be on constant until the pump is turned on for a three minute
test, the pump light will flash until this test is over. The auto flush functions do not occur when the
pressure switch option is turned on as accurate water temperature is being read. The roof temperature
may be checked by first turning the power off to the unit and whilst holding the UP Button pressed,
turn the power back on. The roof temperature will be displayed until the UP Button is released.