Chemigem DM50 Comment utiliser
POOL CONTROLS - Domestic Operating of the DM50, T60 and TL70
PCS-H002 Rev A Page 1
CHEMIGEM
AUTOMATIC POOL CHEMISTRY
MANAGEMENT CONTROLLER
STARTING & OPERATING
DM50, T60 AND TL70
POOL CONTROLS A division of Beaumar Nominees Pty Ltd
251 Balcatta Rd, Balcatta, Western Australia, 6021
Telephone (09) 344 7044 FAX (09) 345 1816
POOL CONTROLS - Domestic Operating of the DM50, T60 and TL70
PCS-H002 Rev A Page 2
DM50 CONTROLLER
POOL CONTROLS - Domestic Operating of the DM50, T60 and TL70
PCS-H002 Rev A Page 3
Key Description
1 Power on indicator light
Glows when power is being supplied to the controller.
2Switch
Switched to left shuts off Chlorine circuit.
When switched to right shuts off pH circuit.
To operate both circuits this switch must be in the centre position.
3 Chlorine Control Knob
Sets the required level of sanitisation. Normally set to the “12 o’clock“ position, with the
white indicator vertically upright.
4 Chlorine “Feed waiting light”
Glows green when Chlorine levels in the pool water are lower than that set by the control
knob. Will flash on and off when the Chlorine solenoid valve is open. (normally 6-8 seconds every 3
minutes)
POOL CONTROLS - Domestic Operating of the DM50, T60 and TL70
PCS-H002 Rev A Page 4
Key Description
5 Low Chlorine warning light
Glows red when Chlorine in the pool water is considerably lower than the level set by the control
knob.
6Switch
Switch to turn the warning alarm for Low Chlorine on and off.
The warning alarm sounds a continuous tone when the red Low Chlorine Light (5) above is
illuminated.
7 Excess Chlorine warning light
Glows red when Chlorine levels in the pool water are considerably higher than the levels set by the
control knob (3).
NB There is no warning alarm which sounds when Chlorine is high.
8 pH Control Knob
Sets the required level of pH. Normally set to the “12 o’clock” position, with the white indicator
line vertically upright.
POOL CONTROLS - Domestic Operating of the DM50, T60 and TL70
PCS-H002 Rev A Page 5
Key Description
9 Acid “Feed waiting light”
Glows green when the pH level in the pool water is higher than that set by the control knob (8).
Will flash on and off when the Acid solenoid valve is open. (Normally 5 -7 seconds every
3 minutes)
10 High pH warning light
Glows red and flashes on and off when pH in the pool water rises above pH 8.7. When this light
flashes the pH circuits are locked and Acid will not feed - See (12) Acid override button.
A warning alarm sounds an intermittent tone in step with the flashing of the red light.
11 Low pH warning light
Glows red and flashes on and off when pH in the pool water falls below pH 6.7. When this light
flashes the pH circuits are locked and again Acid will not feed.
A warning alarm sounds an intermittent tone in step with the flashing of the red light. To turn
off warning tones see section on setting Chemical Levels.
POOL CONTROLS - Domestic Operating of the DM50, T60 and TL70
PCS-H002 Rev A Page 6
Key Description
12 Acid override button
When pressed will disengage the pH lock-out mechanism in the case of high pH only - thus
permitting the Chemigem to feed Acid again. Overriding the lockout mechanism will only last
until the main pump for pool water circulation is turned off next.
When pressed this button also opens the Acid valve which allows the owner to manually add Acid.
POOL CONTROLS - Domestic Operating of the DM50, T60 and TL70
PCS-H002 Rev A Page 7
TIME CLOCK
UNDERWATER LIGHT SWITCH
Transformers available in 22V or 32V
T60 CONTROLLER TL70 CONTROLLER
Please note that the same controller used for the DM50 is used on both the TL70 and T60 - see diagram for DM50 for more
details on that face.
Introduction
POOL CONTROLS - Domestic Operating of the DM50, T60 and TL70
PCS-H002 Rev A Page 8
The Chemigem controller is designed to measure and automatically adjust the free Chlorine and pH
(Acid) levels in your water. These levels will be set by You using the control knob(s) on your Chemigem.
Once you have set your levels you should leave the controller to adjust them automatically.
Setting the levels
To begin with, set the control knobs with the white indicator lines in the 12 o’clock position. This will
give approximately 3.00 parts per million (ppm) Chlorine and pH 7.7.
Note a) The 12 o’clock position gives approximately 3.0 ppm Chlorine level when stabiliser is 50 ppm,
but if stabiliser is less than 30 ppm the same setting will only maintain approximately 1.0 ppm Chlorine.
Chlorine and Acid will feed for a period of 5 - 8 seconds every 3 minutes until the required levels are
reached. The first time a Chemigem operates on a pool it will take 45 - 60 minutes to fully adjust the
level of pH and Chlorine. Thereafter it will normally restore the required levels in 15 - 20 minutes, so
ensure that the pump is running for long enough to carry out these adjustments.
Calibration
POOL CONTROLS - Domestic Operating of the DM50, T60 and TL70
PCS-H002 Rev A Page 9
The day following the installation of your Chemigem, and after the pool pump has been running for 30
minutes, check the level of Chlorine and pH with a good quality test-kit. If either of the levels are not
exactly where you want them, alter the settings of the control knobs a little. Clockwise will direct the
Chemigem to raise the chemical levels and vice versa.
Notes : -
a) Altering the settings tells the controller what You want. The controller will only bring about
the changes as the pump circulates the pool water.
b) Chemigems are able to add chemicals quickly to adjust levels upwards, but cannot remove any
chemicals which are in excess. High levels may take several days to reduce.
c) Remember increasing the level of Acid reduces the pH values.
What the Chlorine indicator lights mean
POOL CONTROLS - Domestic Operating of the DM50, T60 and TL70
PCS-H002 Rev A Page 10
Note : If any red warning lights are on - test with a reliable test kit.
Green feed light “on”
This indicates that the free Chlorine level in the pool is below the level set by the control knob and
feeding will take place every 3 minutes until the required level is reached. When the green feed light is
flashing the Chlorine valve is open and Chlorine is being sucked from the drum into the line.
Red low light “on” and Chemigem alarm sounding. (Left hand light)
This indicates the free Chlorine level in the pool is considerably lower than the settings but the Chemigem
will still be able to restore the level in a short period of time. The warning tone (alarm) may be switched
off if it is annoying, but remember to switch it back on again when the levels of Chlorine have been
restored.
Low Chlorine levels could be due to the following : -
1) Initial switching on of the unit
2) Chlorine drum is empty.
3) The control knob having been turned clockwise to increase the Chlorine level.
4) The filter has been off for a long period of time on a hot day.
5) The stabiliser level is very low or non existent and causing a high rate of Chlorine loss.
NB : Stabiliser level is recommended to be 50 - 70 ppm.
6) Poor circulation.
If the symptoms persist (the low alarm continues) then the following could be the cause:-
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