Danfoss VLT HVAC Drive User Manual

Par. No. # Parameter description Default value 4 set-up Change during
operation
Conver-
sion index
Type
2-0* DC Brake 2-00 DC Hold/Preheat Current 50 % All set-ups TRUE 0 Uint8 2-01 DC Brake Current 50 % All set-ups TRUE 0 Uint16
2-02 DC Braking Time 10.0 s All set-ups TRUE -1 Uint16
2-03 DC Brake Cut-in Speed [RPM] ExpressionLimit All set-ups TRUE 67 Uint16
2-04
DC Brake Cut-in Speed [Hz] ExpressionLimit All set-ups TRUE -1 Uint16
2-1* Brake Energy Funct. 2-10 Brake Function [0] Off All set-ups TRUE - Uint8 2-11 Brake Resistor (ohm) ExpressionLimit All set-ups TRUE 0 Uint16
2-12 Braking Energy Limit (kW) ExpressionLimit All set-ups TRUE 0 Uint32
2-13 Braking Energy Monitoring [0] Off All set-ups TRUE - Uint8
2-15 Brake Check [0] Off All set-ups TRUE - Uint8
2-16 AC Brake Max. Current 100.0 % All set-ups TRUE -1 Uint32
2-17 Overvoltage Control [2] Enabled All set-ups TRUE - Uint8
6.2.3. 2-** Brakes
VLT
®
HVAC Drive Instruction Manual
6. How to program the adjustable frequency
drive
MG.11.A4.22 - VLT
®
is a registered Danfoss trademark 103
6

Danfoss VLT HVAC Drive Specifications

General

Type	VLT HVAC Drive
STO (Safe Torque Off)	Yes
Enclosure	IP20
Output Frequency	0-500 Hz
Brake Chopper	Built-in (depending on frame size)
EMC Filter	Built-in (depending on frame size)
Communication	Ethernet
Power Range	0.37 kW to 630 kW
Input Voltage	200-240V, 380-480V, 525-600V
Protection Features	Overload, Overvoltage, Undervoltage, Short Circuit, Ground Fault
Ambient Temperature	-10°C to +50°C (with derating above +40°C)
Storage Temperature	-25°C to +70°C
Relative Humidity	5-95% (non-condensing)
Cooling Method	Air-cooled