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3.5 Drainage
• Make sure the drainage line is gradually lower than the drainage pan, so drainage line must
be downward sloping for easy drainage.
3.6 Fan
• MB types have inflow fans, MW types have outflow fans.
• Before the first start-up make sure fan is completely rotatable and able to run freely.
• All models have axial fans as standard.
Model
S4E250-AI02-01
VNT 25-40 Ø254-28º
MB
S4E300-AS72-37
VNT 34 45 Ø300-34º
MW
S4E300-AS72-80
3.7 Refrigerant Charge
• Product is charged with a nitrogen holding charge (6 bar pressure). For this reason, inside of
tubes should be cleaned out with vacuum before charging with refrigerant.
Figure 6.8 Example of recommended drainage line
Min.
Working
Fan
Tempera
ture
ºC
-25
-40
-40
-40
-25
Max.
Working
Temperature
ºC
55
40
60
40
70
10
Number
Protection
of
Class
Poles
IP44
4
IP41
4
IP44
4
IP41
4
IP44
4
56808001-02
Fan
Diameter
250
254
300
300
300
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