Danfoss VLT HVAC Design Guide

3 VLT HVAC Drive Selection
3.1 Options and Accessories
Danfoss offers a wide range of options and accessories for the frequency converters.
3.1.1 Mounting of Option Modules in Slot B
The power to the frequency converter must be disconnected.
For A2 and A3 enclosures:
• Remove the LCP (Local Control Panel), the terminal cover, and the LCP frame from the frequency converter.
• Fit the MCB1xx option card into slot B.
• Connect the control cables and relieve the cable by the enclosed cable strips.
Remove the knock out in the extended LCP frame delivered in the option set, so that the option will fit under the extended LCP frame.
• Fit the extended LCP frame and terminal cover.
• Fit the LCP or blind cover in the extended LCP frame.
• Connect power to the frequency converter.
• Set up the input/output functions in the corresponding parameters, as mentioned in the section
General Technical Data .
For B1, B2, C1 and C2 enclosures:
• Remove the LCP and the LCP cradle
• Fit the MCB 1xx option card into slot B
• Connect the control cables and relieve the cable by the enclosed cable strips
• Fit the cradle
•Fit the LCP
A2, A3 and B3 enclosures A5, B1, B2, B4, C1, C2, C3 and C4 enclosures
VLT
®
HVAC Drive Design Guide 3 VLT HVAC Drive Selection
MG.11.B9.02 - VLT
®
is a registered Danfoss trademark 51
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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