Danfoss VLT Programming Guide

0-74 DST/Summertime
Option: Function:
Choose how Daylight Saving Time/Summertime should be handled. For manual DST/Summertime
enter the start date and end date in par. 0-76
DST/Summertime Start and par. 0-77 DST/Summer-
time End
.
[0] * Off
[2] Manual
0-76 DST/Summertime Start
Range: Function:
Application
dependent*
[Application dependant] Sets the date and time when summertime/DST starts. The date is programmed in the format se-
lected in par. 0-71
Date Format .
0-77 DST/Summertime End
Range: Function:
Application
dependent*
[Application dependant] Sets the date and time when summertime/DST ends. The date is programmed in the format selected
in par. 0-71
Date Format .
0-79 Clock Fault
Option: Function:
Enables or disables the clock warning, when the clock has not been set or has been reset due to a
power-down and no backup is installed.
[0] * Disabled
[1] Enabled
0-81 Working Days
Array with 7 elements [0] - [6] displayed below parameter number in display. Press OK and step between elements by means of
▲
and
▼
buttons on
the LCP.
Option: Function:
Set for each weekday if it is a working day or a non-working day. First element of the array is
Monday. The working days are used for Timed Actions.
[0] * No
[1] Yes
0-82 Additional Working Days
Array with 5 elements [0] - [4] displayed below parameter number in display. Press OK and step between elements by means of
▲
and
▼
buttons on
the LCP.
Range: Function:
Application
dependent*
[Application dependant] Defines dates for additional working days that normally would be non-working days according to
par. 0-81
Working Days .
0-83 Additional Non-Working Days
Array with 15 elements [0] - [14] displayed below parameter number in display. Press OK and step between elements by means of
▲
and
▼
buttons
on the LCP.
Range: Function:
Application
dependent*
[Application dependant] Defines dates for additional working days that normally would be non-working days according to
par. 0-81
Working Days .
VLT
®
HVAC Drive Programming Guide 3 Parameter Description
MG.11.C9.02 - VLT
®
is a registered Danfoss trademark 47
3

Danfoss VLT Specifications

General

Frequency	50/60 Hz
Enclosure	IP20, IP21, IP55, IP66
Series	VLT
Control Technique	Flux Vector Control
Output Voltage	0-Vinput
Control Method	Fieldbus
Communication Interface	PROFIBUS, CANopen
Protection Features	Overload, Overvoltage, Undervoltage, Short Circuit, Ground Fault
Cooling Method	Liquid Cooled
Storage Temperature	-25°C to +70°C
Relative Humidity	5-95% non-condensing
Altitude	Up to 1000m (3280ft) without derating, up to 4000m (13120ft) with derating
Operating Temperature	-10°C to +50°C (14°F to 122°F)