Danfoss VLT HVAC Design Guide

6 Application Examples
6.1.1 Start/Stop
Terminal 18 = start/stop par. 5-10 Terminal 18 Digital Input [8] Start
Terminal 27 = No operation par. 5-12 Terminal 27 Digital Input [0] No
operation
(Default coast inverse
Par. 5-10 Terminal 18 Digital Input = Start (default)
Par. 5-12
Terminal 27 Digital Input = coast inverse (default)
Illustration 6.1: Terminal 37: Available only with Safe Stop
Function!
6.1.2 Pulse Start/Stop
Terminal 18 = start/stop par. 5-10 Terminal 18 Digital Input [9] Latched
start
Terminal 27= Stop par. 5-12 Terminal 27 Digital Input [6] Stop inverse
Par. 5-10 Terminal 18 Digital Input = Latched start
Par. 5-12 Terminal 27 Digital Input = Stop inverse
Illustration 6.2: Terminal 37: Available only with Safe Stop
Function!
VLT
®
HVAC Drive Design Guide 6 Application Examples
MG.11.B9.02 - VLT
®
is a registered Danfoss trademark 119
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