Combined standby pump and compressor control (Inquire about availability)
The AHD 408 E-K stand-by pump and compressor controller is a microprocessor-controlled device for independent control and monitoring of an electric pump and an electric compressor pair with a standby circuit and black-out function.
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Compact pump and compressor control for control station, control panel or control box installation
Front dimensions 72 mm x 144 mm, installation depth 216 mm
Protection class IP 20 (front, with IP 54 attachment)
Weight approx. 1.0 kg
24 V DC power supply +30%/-25%
selector switch for main pump or main compressor and switch for starting up the respective pump or compressor control system,
LED indicator for operation of the main or standby pump or compressor, standby alarm and normal pressure indicator for each pair of pumps or compressors integrated in the front of the device
After switching on, pressure build up by standby pump, then switching to operation with main pump
Automatic start of the standby pump in case of pressure failure with standby alarm
Control of the compressor pair depending on the state of three pressure switches for low, medium and high pressure
Reset the standby alarm via a power switch
Blackout function (LED display in the front of the device) with shutdown of all pumps and compressors and configurable, delayed start when the network returns to avoid overload
lamp test button
Text field in the front of the device is easy to replace
Relay outputs for pump and compressor contactors: potential-free contacts, max. 250 V AC, 3 A
Collective alarm and collective alarm repetition, potential-free contacts, max. 48 V DC/AC, 1 A
All connections on 24-pin terminal strip on the back of the device
Inputs separated from other electronics via optocouplers
