HVAC A
PPLICATION
Honeywell
• 50
3.5.11
Group 3.9: Protections
Table 36. Protections settings
Code
Parameter
Min
Max
Unit
Default
ID
Description
M3.9.1
Response to Analog
input low fault
0
4
0
700
0=No action
1=Alarm
2=Alarm, set preset fault fre-
quency (par. M3.3.19)
3=Fault (Stop according to
stop mode)
4=Fault (Stop by coasting)
M3.9.2
Response to external
fault
0
3
2
701
0 = No action
1 = Alarm
2 = Fault (Stop according to
stop mode)
3 = Fault (Stop by coasting)
M3.9.3
Response to Input
phase fault
0
3
3
730 See above
M3.9.4
Undervoltage fault
0
1
0
727
0 = Fault stored in history
1 = Fault not stored in history
M3.9.5
Response to output
phase fault
0
3
2
702 See M3.9.2
M3.9.6
Motor thermal protec-
tion
0
3
2
704 See M3.9.2
M3.9.7
Motor ambient temper-
ature factor
-20.0
100.0
°C
40.0
705 Ambient temperature in °C
M3.9.8
Motor thermal zero
speed cooling
5.0
150.0
%
Varies
706
Defines the cooling factor at
zero speed in relation to the
point where the motor is run-
ning at nominal speed with-
out external cooling.
M3.9.9
Motor thermal time
constant
1
200
min
Varies
707
The time constant is the time
within which the calculated
thermal stage has reached
63% of its final value.
M3.9.10
Motor thermal loadabil-
ity factor
0
150
%
100
708
M3.9.11
Motor stall fault
0
3
0
709 See M3.9.2
M3.9.12
Underload fault (bro-
ken belt/dry pump)
0
3
0
713 See M3.9.2
M3.9.13
Response to Fieldbus
communication fault
0
4
3
733 See M3.9.1
M3.9.14
Slot communication
fault
0
3
2
734 See M3.9.2
M3.9.15
Thermistor fault
0
3
0
732 See M3.9.2
M3.9.16
Soft fill timeout
0
3
2
748 See M3.9.2
M3.9.17
Response to PID1
supervision fault
0
3
2
749 See M3.9.2
M3.9.18
Response to PID2
supervision fault
0
3
2
757 See M3.9.2
Содержание SmartVFD HVAC MR4
Страница 7: ...Honeywell 5 SAFETY ...
Страница 49: ...Honeywell 47 COMMISSIONING ...
Страница 78: ...STARTUP Honeywell 6 ...