Product details: 

Danfoss VLT HVAC basic drive fc111 series

Designed for OEM customers with multi pump control

Standard built-in HVAC software and hardware functions - reduce the investment cost of control system

Energy saving - lower operating costs

Enhanced design - longer service life

User friendly - save debugging and running costs

Built in DC bus reactor - no harmonic interference

Use the latest power electronics technology - more compact

0.37-90KW，380-480V

Mode 1: one pump and one relay. The operation of each pump is controlled by only one output of the frequency converter

Fixed mode: up to five pumps

Circulation mode: up to 4 pumps

Two relays and two programmable digital outputs are available

Mode 2: one pump with two relays. The operation of each pump is only controlled by the two outputs of the frequency converter, which controls the power frequency and frequency conversion operation respectively

No special PLC controller is required

Fixed mode: None

Circulation mode: up to 3 pumps

Two relays, two programmable digital outputs and two analog outputs are available