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Everything you wanted to know about Autosave controls …
PLEASE NOTE: INSTALLATION, CONNECTION AND ANY MAINTENANCE SHOULD BE CARRIED OUT BY A SUITABLY QUALIFIED PERSON IN ACCORDANCE WITH CURRENT AND LOCAL REGULATIONS
How does the Autosave work? 
We have an old Autosave unit marked W/AS that is not working ...
What are the pros and cons of Battery versus Mains versions?
Is there a battery operated Autosave with a remote solenoid valve?
How can I calculate savings on my water bill?
Can I install an Autosave upside-down?
Can I remove the front cover to assist installation?
How do I check to see if my Autosave control is working?
Nothing happens at all when I connect the battery or turn electricity on ...
The LED blinks briefly once per second, but it does not flush ...
The LED flashes each time it detects someone but does not open the valve ...
The valve does not open long enough to fill the cistern ...
How do I reset Autosave to setup mode?
Is there an easy way to empty the cistern when commissioning?
My Autosave valve is passing water all the time ...
My Autosave makes a buzzing sound whenever the valve opens!
Is there anything I can do to avoid damage by vandals?
If you cannot find the answer to your problem we are always happy to give free support and advice on our products. Contact our technical department on 01603 720999
How does the Autosave work?
Cisterns filled by the traditional trickle cock method waste thousands of litres of water each year by flushing the urinal 24 hours a day, 365 days per year regardless of whether or not the facility is being used!
The Autosave works by flushing the urinal 'On Demand'. When occupancy is detected in the toilet area, the cistern will fill and flush after a preset time period, irrespective of how many people use the toilet during that time. If the toilet is unused i.e. at night or weekends, the Autosave will initiate a hygiene flush every 12 or 24 hours (programmable) to keep the bowl fresh and stop the traps from furring up.
We have an old Autosave unit marked W/AS that is not working ...
Manufacture of these models ceased in 1992. Spare parts are no longer available, however, in accordance with our environmental policy we will continue to provide support as far as we are able.
If unserviceable we would recommend replacement with an Autosave M01 with a built-in PIR sensor for exposed cistern or an Autosave M02 with remote sensor for installations with concealed cistern.
What are the pros and cons of Battery versus Mains versions?
The battery operated Autosave B01 & B02 are simple to install and ideally suited where a mains supply is not readily available, moreover 4 standard AA alkaline cells will provide 3–4 years use before they need replacing. A flashing Led will indicate low battery status.
The Mains versions (M01 & M02) whilst initially slightly more expensive are a fit and forget solution - furthermore when power is removed the solenoid valve closes (fail safe) and there is no need to reset when the power is restored.
Is there a battery operated Autosave with a remote solenoid valve?
Yes, the Autosave B02 is a remote valve option. The solenoid valve is supplied pre-wired with a 3m length of cable - which provides great flexibility in installation.
How can I calculate savings on my water bill?
By purchasing an Autosave with integral digital counter, actual numbers of flushes and hence quantity of water used can readily be calculated and monitored over a period of time. Refer to your water bill for local costs.
Savings of up to 80% can be achieved giving a payback time of typically 6 to 12 months.
Can I install an Autosave upside-down?
Yes, in situations where the supply pipe is close to the ceiling, mount the Autosave
upside-down with the valve uppermost. The front cover may also be rotated to enable the label to be read correctly.
Can I remove the front cover to assist installation?
Yes, the front covers of both battery and mains versions are designed to be removed for installation or servicing. Simply grip wires above connector on the inside of the front cover and carefully ease off the connector, wiggling sideways if necessary.
Be careful when re-connecting to ensure connectors are not mis-aligned and that the locking barb on the free connector locates against the grip on the fixed connector.
How do I check to see if my Autosave control is working?
Autosave B01, B02 Unscrew the front cover, disconnect batteries then connect again. If the cistern fill time has been set the Autosave will always do a fill and flush cycle upon connecting the batteries. If it does not do this read on…..
Autosave M01, M02 Turn off the electricity supply (remove fuse from spur). If the cistern fill time has been set the Autosave will always do a fill and flush cycle when the power is restored. If it does not do this read on…..
Note: All Autosave controls purchased after August 2007 (with oval decal) have the new Magi-test function. Simply swipe the square above the sensor to initiate a fill & flush cycle.
Nothing happens at all when I connect the battery or turn the electricity on ...
Autosave B01, B02 The LED should flash briefly each time the battery is connected. If not, test batteries are in good condition. Printed circuit boards of 'iss 6' and earlier have fuses fitted.These will blow if the batteries are connected in reverse! Replace with 1A 20x5mm quick blow glass type.
Autosave M01, M02 The LED should flash briefly each time the electricity is turned on. If not, check the incoming supply at the terminals and also the fuse (in vertical fuseholder) near the mains terminal block. Replace if necessary with a 250mA 20x5mm quick blow glass type.
The LED blinks briefly once per second, but it does not flush ...
If the batteries have come to the end of their life (they usually last 3 to 4 years) the LED will blink to indicate that replacement is necessary. (Under normal circumstances the LED does not come on at all in order to reduce battery consumption and to deter attention by vandals). After approximately 2 weeks the Autosave will close the valve as a fail-safe feature, the LED will continue to flash until the batteries are totally exhausted.
The LED flashes each time it detects someone but does not open the valve ...
If this happens the Autosave is still in setup mode and requires the cistern fill time (valve opening) to be set. Please see installation instructions.
The valve does not open long enough to fill the cistern ...
The Autosave should be setup at installation so that the valve opens long enough to fill the cistern and start flushing. If this does not happen check that the isolation service valve is fully open and if necessary reset the Autosave and set the cistern fill time again. See instructions !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
How do I reset Autosave to set-up mode?
Autosave B01, B02 Disconnect battery then press and hold blue FILL button whilst re-connecting the battery. Upon releasing the button, LED will flash twice to confirm set-up mode.
Autosave M01, M02 Turn on electricity to Autosave, valve will click open. Press and hold blue FILL button until valve opens (takes approx. 4 seconds. LED will flash twice to confirm set-up mode.
Is there an easy way to empty the cistern when commissioning?
Autosave B01, B02 Yes, proceed with setting the fill time by pressing and releasing blue fill button, valve will open and LED will flash continuously as cistern fills. As soon as cistern starts to flush disconnect battery then briefly re-connect and disconnect battery. This will allow the cistern to empty, close the valve and abort the sequence. Once the cistern is empty you can proceed with setting the cistern fill time.
Autosave M01, M02 Yes, proceed with setting the fill time by pressing and releasing blue fill button, valve will open and LED will flash continuously as cistern fills. As soon as cistern starts to flush turn off power to Autosave. This will allow the cistern to empty and abort the sequence. Once the cistern is empty you can proceed with setting the cistern fill time.
My Autosave valve is passing water all the time ...
Autosave B01, B02 Utilise latching solenoid valves which requires short pulses to open and close them - indicated by an audible click. When the batteries are connected the valve will always CLOSE first of all and then OPEN a few seconds later to start a fill and flush cycle.
If water flows when the valve has closed then the valve may have failed due to a long period of use in a hard water area. A replacement valve body kit with instructions is available from Watersavers.
Autosave M01, M02 Turn off the electricity supply. If water still flows then the valve may have failed due to a long period of use in a hard water area. A replacement valve body kit with instructions is available from Watersavers.
My Autosave makes a buzzing sound whenever the valve opens!
Autosave M01, M02 Mains operated solenoid valves often have a characteristic buzz or hum which is perfectly ok. Where silence is important we would recommend installing a battery operated Autosave.
Is there anything I can do to avoid damage by vandals?
To protect your Autosave from attack by vandals, we can supply a protective wire cage as an accessory. This tough steel mesh cage can be retro fitted to all Autosave controls.
If you cannot find the answer to your problem we are always happy to give free support and advice on our products. Contact our technical department on 01603 720999
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