38
3.3.4 Step 3 - Connect the Feed Water Supply
Feed Water Supply Connections - A feedwater supply with a minimum pressure of 2 (29 psi) bar should be
connected to the 15mm spigot.
3/4" Blanking Plug
28mm Drain
Connection
42mm Overflow
Connection
Air Flow
Drain Connection - The Evaporative Module drain and overflow should be connected to the main building
drain. The drain must be trapped to prevent back siphonage. 50 mm (2”) upstands must be fitted to improve
gravity drain as shown in the picture above.
Warning: The
HE2
“
OEM Direct Feed
” versions, unlike the
HE2 MC3
, do NOT incorporate, as
standard, methods to control the growth of micro-organisms (including the bacterium which
causes Legionnaire’s disease). When designing or installing an air handling system that incor-
porates an “
OEM HE2
”, appropriate micro-organisms and microbial control methods MUST be
considered and this should only be undertaken by suitably qualified persons. A risk assess-
ment MUST also be undertaken in relation to control of micro-organisms and microbial
growth, especially Legionnaires disease. If in doubt and for further information, contact your
Condair distributor
.
Содержание HE2
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