CLCH-SVX03C-EN
51
Coil Piping and Connections
Figure 46. Drain pan trapping for module under negative pressure
Figure 47. Drain pan trapping for module under positive pressure
Normal operation
L
H
J
L
=
H
+
J
+ pipe diameter
where:
H
= 1 inch for each inch of negative
pressure* plus 1 inch
J
= 1/2
H
*Negative pressure = total unit static
pressure at worst case (loaded filters)
minus external pressure
K
H
L
L
=
H
+
K
+ pipe diameter
where:
K
= 1/2 inch (minimum)
H
= 1/2 inch plus the total unit
static pressure at worst case
(loaded filters)