GDRD
GDRD



GDRD

Phase cut controller

 
Outdated series

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Info Datasheet Operation and installation instructions

GDRD

Phase cut controller

Features

Advantages

  • Cost-effective variant
  • Continuous control – provides more stable pressure ratios
  • Emergency operation possible

IP 20 protection rating

Control mode

  • The speed of the fans is set depending on the pressure or temperature.
  • One power output for switch cabinet installation
  • Continuous speed control
  • Voltage control
  • Power range: up to 87 A
  • Voltages: 3 x 400 V

Fan: AC (3~) voltage controllable

Area of application

  • Condenser –  pressure-dependent control
  • Drycooler – temperature-dependent control

Special features

Operational and fault signalling Night limiter Slave mode (external control value setting) 2 control systems Setpoint changeover Max. selection Bypass operation/safety-optimised application Optimum pressure or temperature control

Combination with switch cabinet

  • GWS wall switch cabinet (3ph)
  • GWS standalone switch cabinet (3ph)
  • External bus module

Accessory