Dontek SLH7 SV Instrucciones
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SLH7 SV – INSTRUCTIONS
CONTROLLER MOUNTING:
The controller enclosure must be firmly attached to a nearby solid fixture by either the two mounting lugs or direct
attachment though the controller. If mounting through the controller ensure the power cord is disconnected from the
mains supply then remove the enclosure front cover by turning the four corner locks so each arrow points to the 'O'
marked on the front cover. Insert two mounting screws diagonally through the oval holes in the enclosure, refit front
cover and turn the four corner locks to the 'I' position.
The power cable is 1.8m long and should be plugged directly into a general power outlet, not into an extension lead.
CIRCULATING PUMP:
The circulating pump plugs into the right hand 240Vac socket marked as PUMP and will be operating as indicated by
the PUMP ON LED. The left hand 240Vac socket marked as Auxiliary provides continuous power as indicated by the AUX
ON. LED. The maximum allowable combined current for both sockets is 10 AMPS @ 2400W.
HEATER INTERLOCK:
The heater interlock cable connects to the green socket marked RELAY1 which switches on the NO/C contacts when the
heater is to be turned on. The other end of the heater interlock cable connects in series (daisy chain) to the heater's
flow or pressure switch circuit (refer manufactures instructions). If the heater's flow/pressure switch circuit is 240Vac
then DO NOT connect the RELAY1 cable directly to the heater, a KIT02 needs to be used which is supplied with an
external 240V rated relay which will need to be connected in series with the flow/pressure switch by a licensed
electrician. Set the temperature setting on the heater 5°C above the desired water temperature to allow the SLH7 to
be in control without conflict.
VALVE:
The valve actuator is connected to the green socket marked VALVE, wired as described on the label. The valve is used
for selecting or bypassing the solar collector. Wire as per the label on the controller.
TEMPERATURE SENSORS:
The pool sensor must be fitted into the suction line of the pump, preferably in a position out of direct sunlight. 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 plug socket marked POOL.
Roof sensor must be fitted into a small piece of rubber collector material away from the main collector but on the same
aspect. Keep in mind that it is of the utmost importance to keep the roof sensor cable 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,
conduit ends must be sealed to prevent water ingress. Any excess cable should be removed and re-fitted ensuring that
the wire ends are tinned with solder. The sensor plug is to be fitted to the right hand socket marked ROOF.
DESCRIPTION:
The SLH7 SV is a swimming pool controller that heats a swimming pool by the use of an auxiliary heater or if solar gain
is available an automatic valve will divert water to the solar collectors.
The auxiliary heater (gas or heat pump) has a temperature limit setting (AUX LIMIT) and run time settings, the pool
will be heated to this limit by the auxiliary heater, in situations of high solar gain the controller activates an energy
saver mode, in energy saving mode the auxiliary heater is switched off regardless of pool temperature when the roof
temperature exceeds 15°C above the AUX LIMIT, once the energy saver mode is active the auxiliary heater remains
OFF until the roof temperature drops below the AUX LIMIT plus 10°C.
If solar gain is available the solar system will heat the pool to the solar limit (SOL LIMIT).
Solar has a time lockout that prevents heating outside the hours of 08:00 to 19:00 and can be changed (see note 6).
An automatic divert valve will divert water to the solar collectors when there is enough solar gain and will bypass the
collector when solar heating is no longer available.
Heating is performed to the temperature limit plus ½°C and once that temperature is achieved heating will no re-occur
until the temperature drops below the desired limit by ½°C or until the sample period has elapsed and the temperature
is at or below the limit.
SETTINGS MENU
All items on the LCD that flash are adjustable items, use the Up or Down buttons to modify the adjustable item. Press
Enter to accept the adjustable value.
To enter the SETTINGS MENU push either the up or down buttons and the following will be displayed;
SETTINGS MENU
1) MANUAL MODE
All menu items are shown below, use the Up or Down buttons to scroll to different items in the menu;
SETTINGS MENU
1) MANUAL MODE
2) TEMPERATURE
3) HEAT DEMAND
4) SOLAR MODE
5) SET CLOCK
6) SAVE & EXIT