Danfoss VLT HVAC Drive User Manual

Par. No. # Parameter description Default value 4 set-up Change during
operation
Conver-
sion index
Type
21-6* Ext. CL 3 PID 21-60 Ext. 3 Normal/Inverse Control [0] Normal All set-ups TRUE - Uint8 21-61 Ext. 3 Proportional Gain 0.01 N/A All set-ups TRUE -2 Uint16
21-62 Ext. 3 Integral Time 10,000.00 s All set-ups TRUE -2 Uint32
21-63 Ext. 3 Differentiation Time 0.00 s All set-ups TRUE -2 Uint16
21-64 Ext. 3 Dif. Gain Limit 5.0 N/A All set-ups TRUE -1 Uint16
VLT
®
HVAC Drive Instruction Manual
6. How to program the adjustable frequency
drive
MG.11.A4.22 - VLT
®
is a registered Danfoss trademark 123
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