Danfoss VLT 6000 Instrukcja Obsługi Pobierz pdf (Strona 41)

Cascade Controller Option

■ Initial Setup

Instructions for programming Quick Menu items

1-20 are presented in Chapter 5, AFD and

Cascade Controller Card Setup . Parameters

1-20 must be programmed before programming

additional options described below.

Quick Menu 021 Par. 712 Motor Pump

Combinations

(PUMP COMBINATION)

Value:

(See options in table below)

Function:

The combinations of pumps and their rated capacities

are selected in this parameter. The lead pump (or

fan) with the cascade contol option must have a

capacity of 100% and its speed is controlled by the

AFD. This enables the highest accuracy in regulation

of the system. In Standard cascade control mode,

additional pumps can be either 100%, 200% or

300% relative to the AFD driven pump.

Description of choice:

Select the pump combination and capacities

from the choices offered.

Motor Pump Combinations

Value:

Additional Constant Speed Pumps Operated by Cascade Control

Display Option 100% Capacity 200% Capacity 300% Capacity

R6 @100%

1pumpcontrolledby

relay 6

R6, R7 @100% 2 pumps controlled by

relays 6, 7

R6-R8 @100% 3 pumps controlled by

relays 6, 7, 8

R6-R9 @100% 4 pumps controlled by

relays 6, 7, 8, 9

R6 @100%, R7 @200% 1pumpcontrolledby

relay 6

1pumpcontrolledby

relay 7

R6 @100%, R7, R8

@200%

1pumpcontrolledby

relay 6

2 pumps controlled by

relays 7, 8

R6, R7 @100%, R8

@300%

2 pumps controlled by

relays 6, 7

1 pump controlled by

relay 8

R6, R7 @100%, R8, R9

@300%

2 pumps controlled by

relays 6, 7

2 pumps controlled by

relays 8, 9

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