Chapter 4 – Smoke Control Section, Page 4-14__________________________________________________
Smoke Control – Maintenance (Cont.
Spare Cell Chart
(Recommended Quantities)
Size of Unit
Spare Cells
Outer Cell
Inner Cell
1 Cell Unit
2 Cell Unit
3 Cell Unit
4 Cell Unit
6 Cell Unit
8 Cell Unit
9 Cell Unit
12 Cell Unit
16 Cell Unit
1
1
1
1
1
1
1
1
1
0
1
2
3
2
3
2
3
3
Note: Some units are equipped with a
second row of ESP Cells, referred to as
double pass. Additional spare cells are
not recommended for double pass units
as the second pass does not get as dirty
as the first pass.
Figure 4-13-3
Typical Outer Cell
Inner Cell with Springs
Not Shown
Table T-4-14-1
