Huawei SmartLi 2.0 User Manual page 61

SmartLi 2.0
User Manual
Figure 4-20 Taking out the fire extinguisher cylinder
Step 5 Check the cylinder and all components for any damage, abrasion, or corrosion. If
there is any visible abrasion or corrosion, replace the damaged components and
all corroded components.
Step 6 Observe the pressure gauge on the fire extinguisher cylinder.
●
●
Step 7 Send the fire extinguisher cylinder to a station to fill extinguishant.
Heptafluoropropane or perfluorohexanone is recommended. The required amount
is 3 kg. The screw thread specification of the filler port is M10x1.
● In the process of assembling and filling, ensure that the valve, container, and
● Do not remove the container valve and its components. For other operations,
● If you have any questions about filling extinguishant, contact technical support.
Table 4-4 Mapping between temperatures and pressures
Temperatu
re (°C)
0
10
20
25
30
Issue 10 (2022-04-30)
If the pointer reading is 0 MPa, the cylinder is empty. Perform steps 7 and 8
to fill extinguishant onsite.
If the pointer reading is greater than 1.1 MPa, the cylinder is filled with
extinguishant. In this case, skip steps 7 and 8.
NO TICE
other parts are clean and not contaminated.
follow the extinguishant filling specifications of the station.
Recommended Pressure
12 bar (1.2 MPa)
14 bar (1.4 MPa)
17 bar (1.7 MPa)
18.5 bar (1.85 MPa)
20 bar (2.0 MPa)
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4 Installation and Cable Connection
Allowed Pressure Range
11–13 bar (1.1–1.3 MPa)
13–15 bar (1.3–1.5 MPa)
16–18 bar (1.6–1.8 MPa)
17.5–19.5 bar (1.75–1.95 MPa)
19–21 bar (1.9–2.1 MPa)
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