Samsung HH175ECM Installationshandbuch PDF herunterladen (Seite 20)

Increasing fan speed

E-20

The vertical axis is the external static pressure(mmAq) while the horizontal

axis represents the AIR FLOW(m

/min).

The characteristic curves for ‘HH’, ‘H’, ‘Med’, and ‘Low’ fan speed controller

are shown.

The nameplate values are shown based on the ‘H’ air flow.

If external static pressure is too great, the air flow volume may drop too

low as explained above.

How to Read Diagram

◆

HH : DIP Switch OFF position(High speed)

H : At shipment(Normal speed)

Model

External static pressue(mmAq)

HH105ECM

HH140ECM

HH175ECM

HH175EZM

Min.

Normal

Max.

Range of static pressure

Without air filter

Air Flow (m

/min)

10 15 20 25 30 35 40 45

Maximum Air Flow

Minimum Air Flow

Static pressure (mmAq)

Without air filter

Air Flow (m

/min)

20 25 30 35 40 44

Static pressure (mmAq)

Without air filter

Air Flow (m

/min)

15 20 25 30 35 40 45 50 55 60

Minimum Air Flow

Maximum Air Flow

Static pressure (mmAq)

SW03

K1 K2 K3 K4

OFF

Normal speed

High speed

Switch No.

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 Position Function

HH175ECM/175EZMHH140ECMHH105ECM

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 29 30

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