GIRD

Advantages

• Cost-effective variant
• Continuous control – provides more stable pressure ratios
• Controller with switch cabinet functions
• Can be mounted on the heat exchanger
• Ready to connect

IP 54 protection rating

Speed controller

• The speed of the fans is set depending on the pressure or temperature.
• Up to three power outputs
• Main switch

Control Mode

• Continuous speed control
• Voltage control
• Power range: up to 10 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
• Optimum pressure or temperature control

Controller with switch cabinet functions

No additional switch cabinet required

• Hood for weather protection
• GSW pressure sensor 25bar
• GSW pressure sensor 40bar
• GTF temperature sensor
• GHP / GHPF manual potentiometer/setpoints
• GGDFK3 noise filter
• GGDFKD3 noise filter duo