Carrier 39S handleiding

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Carrier

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Handleiding

Table 6 — VFD Parameters — Control Option A, B, C (Keypad or 4-20 mA Control Signal)

a,b,c

NOTE(S):

a. Control Option “A” indicates factory settings for VFD ready for 4-20 mA proportional fan speed signal. Fan speed control is automatic by field-provided 4-20 mA signal.

b. Control Option “B” indicates factory settings for VFD with exterior mounted keypad. Fan speed control is manual and controlled at the keypad.

c. Control Option “C” indicates factory settings for VFD with potentiometer (dial). Fan speed control is manual and is set at the potentiometer.

CONTROL OPTION

PARAMETER INDEX PARAMETER FUNCTION SETTING

A B/C

X X

1611

(ACS310-320)

Parameter View 3 (Long View)

X X

n/a

(ACS55 ONLY)

Parameter View — Menu PAr S/

PAr L

PAr L (Long View)

X X 1001 Start/Stop Command 1 (DI1)

X X 1003 Motor Direction 1 (Forward)

X X 1104 Min. Frequency 10 Hz

X X 1105 Max Ref. Frequency See Table 8

X X

1109

(ACS55 ONLY)

Local Reference Source 1 (Keypad)

X X 1201 Constant Speed Selection 0 (No Constant Speed)

1301

(POTENT. ONLY)

Minimum AI1 0%

1301

(4-20mA ONLY)

Minimum AI1 20%

X X 1601 Run Enable 1 (DI1)

X X 1608 Start Enable 1 (DI1)

X X 1610 Display Alarms 1 (Yes)

X X 2003 Max Motor Current See Table 8

X X 2008 Maximum Output Drive Frequency See Table 8

X X 2606 Switching Frequency 16 kHz

X X 9905 Motor Nominal Voltage

115 (for 115V) or 230 (for 208-230V) or

460 (for 460V)

X X 9906 Motor Nominal Current See Table 8

X X 9908 Motor Nominal Speed 3500

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