1 Overview
• 4 relay outputs, 5 Pt1000 temperature sensor inputs
• 2 inputs for analogue Grundfos Direct Sensors™ temperature sen-
sors
• 2 PWM outputs for speed control of high-efciency pumps
• 26 basic systems to choose from
• Drainback option
• Unit °F and °C selectable
Technical data
Inputs: 5 inputs for Pt1000 temperature sensors, 2 analogue Grundfos Direct
Sensors™, 1 V40 impulse input,
Outputs: 3 semiconductor relays, 1 electromechanical relay, 2 PWM outputs
Switching capacity:
1 (1) A 240 V~ (semiconductor relay)
2 (1) A 240 V~ (electromechanical relay)
Total switching capacity: 4 A 240 V~
Power supply: 100 … 240 V~ (50 … 60 Hz)
Supply connection: type Y attachment
Standby: 0.57 W
Temperature controls class: I
Energy efciency [%]: 1
Mode of operation: type 1.B.C.Y action
Rated impulse voltage: 2.5 kV
Data interface: RESOL VBus
®
, SD card slot
VBus
®
current supply: 35 mA
Functions: function control, operating hours counter, tube collector function,
thermostat function, speed control, heat quantity measurement, etc.
Housing: plastic, PC-ABS and PMMA
Mounting: wall mounting, also suitable for mounting into patch panels
Indication / Display: System-Monitoring-Display, for visualisation of the systems,
16-segment display, 7-segment display, 8 symbols, operating control LED (direction-
al pad) and background illumination
Operation: 7 push buttons at the front of the housing
Protection type: IP 20 / DIN EN 60529
Protection class: I
Ambient temperature: 0 … 40 °C
Degree of pollution: 2
Dimensions: 198 x 170 x 43 mm
upper fastening point
lower fastening point
170
198
43