Increasing Fan Speed - Samsung DH094EAM Installation Manual

Increasing fan speed

K1 K2 K3 K4
SW03
Range of static pressure
External static pressure(mmAq)
Min. Normal
0 4
16
E-
If external static pressure is too great(due to long extension of ducts, for
example), the air flow volume may drop too low at each air outlet.
This problem can be solved by increasing the fan speed using the following
procedure.
Switch No.
K3
How to Read Diagram
1 The vertical axis is the external static pressure(mmAq) while the horizontal
axis represents the AIR FLOW(CMM).
2 The characteristic curves for 'HH', 'H', 'Med', and 'Low' fan speed controller
Max.
are shown.
8
3 The nameplate values are shown based on the 'H' air flow.
4 If external static pressure is too great, the air flow volume may drop too
low as explained above.
N N N N o o o o t t t t e e e e
Without air filter
12
10
8
6
4
2
0
5
Switch Position
ON
OFF
HH : DIP Switch OFF position(High speed)
H : At shipment(Normal speed)
HH
H
Maximum Air Flow
M
L
Minimum Air Flow
10 15 20
Air Flow (CMM)
Function
Normal speed
High speed
25 30