Description LHCC
Specifications
Model LHCC Weather-controlled heating circuit controller for heating and cooling
systems
Temperature controller class VI
Energy efficiency 4%; When operating at min. 3 ° CALEONs or RC20
a energy efficiency of 5% is achieved
Standby loss 0.5 W
Request type heater On / off operation or modulating
Electrical specifications:
Power supply 100 - 240VAC, 50 - 60 Hz
Power consumption / standby 0.5 - 2.5 W/ 0.5 W
Total switched power 2 A
Switched power per relay 460VA
Internal fuse 1 2 A slow 250V
Protection Class IP40
Protection class / overvoltage category II / II
Inputs/Outputs Measuring range
Sensor inputs 6 Pt1000 -40 °C ... 300 °C
Sensor inputs VFS / RPS 2 Grundfos Direct Sensor 0°C-100°C (-25°C /120°C short term)
Outputs mechanical relay 4
of relay potential free 1 R4
mechanical relay R1 - R4 460VA for AC1 / 460VA for AC3
0-10V/PWM output V1 - V2 for 10 k Ω working resistance 1 kHz, level 10 V
+ Terminal/
Voltage output
+ Max. load by external devices 24V/6W (e.g. power supply of 3
°CALEON room controllers)
Max. cable length
VFS/RPS sensors <3m
CAN <3m; at >=3m, a shielded twisted-pair cable is to be
used and connected to the protective conductor on one side.
0-10V/PWM <3m
24 VDC <30 m
mechanical relay <10m
Interface
Fieldbus CAN
Permissible Ambient Conditions
for controller operation 0 °C - 40 °C, max. 85 % rel. humidity at 25 °C
for transport/storage 0 °C - 60 °C, no moisture condensation permitted
Other Specifications and Dimensions
Housing Design 2-part, ABS plastic
Installation Methods Wall installation, optionally panel installation
Overall dimensions 163 mm x 110 mm x 52 mm
Aperture installation dimensions 157 mm x 106 mm x 31 mm
Display Fully graphical display, 128 x 64 dots
Light diode multicolour
Real Time Clock RTC with 24 hour power reserve
Operation 4 entry keys
7
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