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S&S Northern Ltd. Wallace Francis House, Barnes Wallis Way, Buckshaw Village, Lancashire, PR7 7JN T. 01257 470983 www.snsnorthern.com 

 

 

Page left and right to access other operating pages  
Override will show either Start Manual Override or Cancel Manual Override.  
Home This is the default screen, this screen displays date, time and system status.  
Modes Use OK to switch between Normal 2 guard and single Permanent High Mode. Also displays power source and me-
ter readings.  
Audit The audit page records the maximum and minimum litres of water used in a period. The period can be half hour, 
one hour, guard period or 24 hours depending on system settings.  
Data will display the history of Minimum and Maximum Litres used in any 60 seconds.  
Events Log displays a record of events with times and dates.  
 
TO TEMPORARILY OVERRIDE THE GUARD LIMITS –  
From Home go left to Override. Press OK to Start Manual Override Countdown. To Cancel Override, go left again from 
Home page and press OK.  
The default override time is 30 minutes. This can be changed between 10 and 45 minutes. The override allows unlimited 
water to flow during this period.  
 
THE GUARD MENU  
To access the guard menu push both the Up and Down keys together for 2 seconds.  
HI GUARD VAL: Push OK to change and confirm the maximum value in litres/hour (default: 2)  
LO GUARD VAL: As above, but for when the property is occupied (default: 50)  
OVERRIDE TIME: Push OK to increase from 10 minutes to 45 minutes maximum (default: 30)  
METER READINGS: Push OK, navigate to match the actual water meter reading.  
DATE: Push OK to select and confirm the date. Use the Up and Down keys to adjust the date.  
TIME: Push OK to select and confirm the time. Use the Up and Down keys to adjust the time.  
MODE: Select mode: • DAILY - every day is the same • SEVEN DAY - day by day • WEEKEND/WEEKDAY - two settings for 
the whole week • ALARM – Automatic (for systems connected to an intruder alarm)  
SET HI/LO Times: Push OK to access the 7 day timer. To set the LOW GUARD start to finish periods use the navigation 
keys. If only one period is required set both 1 and 2 the same 
To Excit Guard Menu, push (left) at any time 
 
THE ENGINEERING MENU  
To access the engineering menu push the left, right and down keys together for 3 seconds.  
FLOW PER: Push OK to select between hourly , half hourly, guard and day metering (default: hour)  
PULSE: Push OK to select between one pulse per 1 litre, or one pulse per 10 Litres and one pulse per 100 Litres (default: 1 
litre)  
VALVES: Push OK to select valves, None; Both; Valve 1 only; or Valve 2 only (default: Both)  
METERS: Push OK to select meters, None; Both; Meter 1 only; or Meter 2 only (default: Both)  
LEAK: Push OK to select  
LEAK Settings. Close all; Close Single.  
CLOSE VALVE: Push OK to close the valve when a High Guard period is selected (default: No)  

Summary of Contents for ATWM

Page 1: ...ter meter If the volume of water reaches the pre set limit customer adjustable the system can isolate the mains water pipe therefore limiting the amount of water and leak damage INSTALLATION ITEMS NOT...

Page 2: ...y Ensure compound does not enter valve Avoid pipe strain by proper support and align ment Type PN16 mating flanges will be required on some models over 50mm E HELPFUL HINTS We recommend that AT WM is...

Page 3: ...The Output connections can be used to activate an external alarm auto dialler or connection to a BMS The AT WM controller monitors the water flowing ONE or TWO water meters or flow switches There are...

Page 4: ...and one solenoid valve If two are required the second set should be wired to the Valve 2 terminals Diagrams shown are for one water meter solenoid valve When two are required use Valve 2 terminals for...

Page 5: ...in litres hour default 2 LO GUARD VAL As above but for when the property is occupied default 50 OVERRIDE TIME Push OK to increase from 10 minutes to 45 minutes maximum default 30 METER READINGS Push...

Page 6: ...read the AT WM installation instructions for information on installing connecting and navigating around the menu system All values used in this guide are examples only and NOT definitive settings your...

Page 7: ...s is the higher value of the two for when the building is expected to use the most water Use left and right arrows to enter higher values faster We select ed 100 Press ok to exit back to menu STEP 4 O...

Page 8: ...annel 1 and select 1 only two meters fitted select both We selected both For 99 9 of installations you have now finished setting up An overview of the system as programmed above Between 6am and 6pm ev...

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