WEG bacnet CFW701 Quick Setup Manual - page 10

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CFW700 HVAC-R Drives 

10

Filter Maintenance Alarm

Warns about the need to replace 

the filter.

PROG

DEF

User

Description

Filter maintenance

P1050

2)

0

Δ

0 = disable

1 = enable and generates only alarm (A0770)

2 = enable and generates fault (F0771)

1)

P1051

5,000h

Filter maintenance time (0 to 32,000h)

P1052

2)

Ready parameter

Operation time for ilter maintenance

Notes: 1)   A0770 will be generated on keypad during motor deceleration and the fault      

F0771 after stopping the motor.

           2)  Set P1050 in “0” to reset the operation time for ilter maintenance alarm.

F0771

FAULT

1)

Stop the

system

P1051

Filter maintenance time (hours)

P1050 = 1

P1050 = 2

TIMER ON

P1052

2)

Operation time for filter maintenance

Time ON when the VFD is running

A0770

Alarm

Do not 

stop the

system

Notes: Δ Setting depends on application. 

1)  Set P1050 in “0” to reset the operation time for ilter maintenance alarm.