Honeywell SmartVFD HVAC MR4 User Manual page 122

HVAC A
PPLICATION
3.5.11 Group 3.9: Protections
Code Parameter
Response to Analog
M3.9.1
input low fault
Response to external
M3.9.2
fault
Response to Input
M3.9.3
phase fault
M3.9.4 Undervoltage fault
Response to output
M3.9.5
phase fault
Motor thermal protec-
M3.9.6
tion
Motor ambient temper-
M3.9.7
ature factor
Motor thermal zero
M3.9.8
speed cooling
Motor thermal time
M3.9.9
constant
Motor thermal loadabil-
M3.9.10
ity factor
M3.9.11 Motor stall fault
Underload fault (bro-
M3.9.12
ken belt/dry pump)
Response to Fieldbus
M3.9.13
communication fault
Slot communication
M3.9.14
fault
M3.9.15 Thermistor fault
M3.9.16 Soft fill timeout
Response to PID1
M3.9.17
supervision fault
Response to PID2
M3.9.18
supervision fault
Min Max Unit
0 4
0 3
0 3
0 1
0 3
0 3
-20.0 100.0 °C
5.0 150.0 %
1 200 min
0 150 %
0 3
0 3
0 4
0 3
0 3
0 3
0 3
0 3
Table 36. Protections settings
Default ID
0=No action
1=Alarm
2=Alarm, set preset fault fre-
0 700 quency (par. M3.3.19)
3=Fault (Stop according to
stop mode)
4=Fault (Stop by coasting)
0 = No action
1 = Alarm
2 701 2 = Fault (Stop according to
stop mode)
3 = Fault (Stop by coasting)
3 730 See above
0 = Fault stored in history
0 727
1 = Fault not stored in history
2 702 See M3.9.2
2 704 See M3.9.2
40.0 705 Ambient temperature in °C
Defines the cooling factor at
zero speed in relation to the
Varies 706 point where the motor is run-
ning at nominal speed with-
out external cooling.
The time constant is the time
within which the calculated
Varies 707
thermal stage has reached
63% of its final value.
100 708
0 709 See M3.9.2
0 713 See M3.9.2
3 733 See M3.9.1
2 734 See M3.9.2
0 732 See M3.9.2
2 748 See M3.9.2
2 749 See M3.9.2
2 757 See M3.9.2
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