Danfoss VLT HVAC 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 10000.00 s All set-ups TRUE -2 Uint32
21-63 Ext. 3 Differentation 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
6. How to programme the frequency converter VLT
®
HVAC Drive Operating Instructions
112 MG.11.A4.02 - 09.10.06. VLT
®
is a registered Danfoss trademark
6

Danfoss VLT HVAC Specifications

General

Enclosure Rating	IP20, IP21, IP54, IP55, IP66
Storage Temperature Range	-25°C to +70°C
Output Voltage Range	0-100% of supply voltage
Communication Protocols	Modbus RTU, BACnet, Ethernet/IP, Profibus DP
Ambient Temperature Range	-10°C to +50°C (without derating)
Relative Humidity	5% to 95% non-condensing
Altitude	Up to 1000 m without derating
Cooling Method	Air cooled
Application	HVAC systems, Pumps, Fans, Compressors
Voltage Range	200-240 V, 380-500 V, 525-600 V
Frequency Range	0 Hz to 590 Hz