Automist Smartscan Hydra
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DIOM Manual - version 3.01.0
Plumis Ltd Copyright © 2020. All Rights Reserved.
Page 95 of 116
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For the Authorised reseller Installer:
3.
ARI inspection
IMPORTANT!
A system inspection should be performed at least annually.
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Ensure that each head is clear from obstructions (1.5m on each side) and advise the client that if
this area is not kept clear of obstructions over 0.9m high it may hinder the operation of their fire
safety system. It is recommended you take pictures of each head including the surrounding area
(wide angle) for your records. If you find any head has been obstructed, issue the customer with a
non-compliance notice (on page 107), offer them a solution (relocating or adding an additional
head) and inform Plumis. This feedback helps Plumis keep our preferred positions principles are in
line with how people use their homes and can improve our recommendations for the future.
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Verify that there is no discolouration of the filter element.
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If a prepay meter is present specifically for Automist top it up with credit to a level beyond its
expected lifetime usage. The allocation of responsibility to check and top up the prepay meter
(either the Landlord or the Authorised Installer) should be captured in writing in a service and
maintenance contract. Calculation example if ten-year lifetime assumed:
1x head system has a ~ 2W, while 6x head system (max) has ~ 5W continuous power draw.
Running on standby continuously for 10 years would require:
6 watts X 24 hours = 144 watt-hours per day
0.144 kwh per day x 665 = 52.56 kwh per year
Therefore requiring a minimum of 525.6 kw for the 10 years
When the system is scanning and searching for a fire it draws 14W.
So let's assume our heads scan in a worst-case scenario for 7 days continuously in a year. 10
minutes for every false activation means we allocate for 1008 activations.
14 watts x 24 hours 336 watt-hours per day
0.336 kwh per day x 7 = 2.352 kwh per year
So we can add a further 23.52 kw for scanning
Finally, when operating it's a 1.8kW motor (for 30 mins). It's a motor so the current spikes at
start-up from normal 7A to 45A for 200ms, so I'm guessing the power spike might be 11kW for
200ms. If we assume our heads run under a worst-case scenario for a half-day continuously
during a 10-year period. This is a regularly triggering by a problematic tenant you are looking
so 24 activations which itself would raise a flag. That requires:
1.8kw x 12 = 21.6 kw for activations over the period
Standby power draw
525.26 kw
Scanning power draw
23.52 kw
Pumping power draw
21.6 kw
Total draw
570.72 kw
Cost for ten years if the current rate is 14p per kw
£79.80
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Determine whether any modifications have been carried out and the Design Specification is still
valid. If there has been a material alteration to the building, an increase in fire loading or a change
