4
en
1
overview
• 8 sensor inputs and 5 relay outputs
• Data logging, storing and firmware updates via SD memory card
• Pre-programmed optional functions such as: drainback option,
time-controlled thermostat function, thermal disinfection
• Up to 2 extension modules via VBus
®
connectable (21 sensors and 15
relays in total)
• 2 inputs for digital Grundfos Direct Sensors™
• 2 PWM outputs for speed control of high-efficiency pumps
• Automatic function control according to VDI 2169: flow rate and
pressure monitoring, warnings for too high
∆
T values, interchanged
flow and return pipes and night circulation
Technical data
Inputs: 8 (9) inputs for Pt1000, Pt500, or KTY temperature sensors, 1 V40 impulse
input, inputs for 2 digital Grundfos Direct Sensors™, 1 input for a CS10 irradiation
sensor
outputs: 4 semiconductor relays, 1 potential-free relay, 2 PWM outputs (switch-
able to 0-10 V)
Switching capacity:
1 (1) A 240 V~ (semiconductor relay)
4 (1) A 24 V / 240 V~ (potential-free relay)
Total switching capacity: 4 A 240 V~
Power supply: 100 … 240 V~ (50 … 60 Hz)
Supply connection: type Y attachment
Standby: 0,81 W
Temperature controls class: I
Energy efficiency contribution: 1 %
Mode of operation: Type 1.B.C.Y
Rated impulse voltage: 2.5 kV
Data interface: VBus
®
, SD card slot
VBus
®
current supply: 60 mA
Functions:
∆
T control, pump speed control, heat quantity measurement, operat-
ing hours counter for the relays, tube collector function, thermostat function, store
loading in layers, priority logic, drainback option, booster function, heat dump func-
tion, thermal disinfection function, PWM pump control, function control according
to VDI 2169 guidelines.
Housing: plastic, PC-ABS and PMMA
Mounting: wall mounting, also suitable for mounting into patch panels
Indication / Display: full graphic display, control lamp (directional pad) and back-
ground 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
170
198
43
Содержание BW/H Komfort HE
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