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en
1 Overview
• Especially designed for the speed control of high-efciency pumps
• 1 input for a VFD Grundfos Direct Sensor
TM
• System-Monitoring-Display
• Up to 4 Pt1000 temperature sensors
• Semiconductor relay for pump speed control
• HE pump control
• Heat quantity measurement
• Commissioning menu
• Function control
• Drainback option
• Unit °F and °C selectable
Technical data
Inputs: 4 Pt1000 temperature sensors, 1 VFD Grundfos Direct Sensor
TM
Outputs: 1 semiconductor relays, 1 PWM output
PWM frequency: 512 Hz
PWM voltage: 10.5 V
Switching capacity: 1 (1) A 240 V~ (semiconductor relay)
Total switching capacity: 1 A 240 V~
Power supply: 100 … 240 V~ (50 … 60 Hz)
Supply connection: type Y attachment
Standby: 0.58 W
Mode of operation: type 1.C.Y action
Rated impulse voltage: 2.5 kV
Data interface: RESOL VBus
®
VBus
®
current supply: 35 mA
Functions: function control, operating hours counter, speed control, drainback
option and heat quantity measurement
Housing: plastic, PC-ABS and PMMA
Mounting: wall mounting, mounting into patch panels is possible
Indication / Display: System-Monitoring-Display for visualisation of systems,
16-segment and 7-segment display, 8 symbols for indication of system status
Operation: 3 push buttons at the front
Ingress protection: IP 20 / EN 60529
Protection class: I
Ambient temperature: 0 … 40 °C
Pollution degree: 2
Dimensions: 172 x 110 x 46 mm
110
30
62
172
46
130
Upper fastening
Lower fastening
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General