Description of controller
2 2
2.1 Specifications
Electrical specifications:
Mains voltage 230VAC +/- 10%
Mains frequency 50...60Hz
Power consumption 2VA
Switched power
Electronic relay R1 min.20W...max.120W for AC3
Mechanical relay R2 460VA for AC1 / 185W for AC3
Internal fuse 2A slow-blow 250V
Protection category IP40
Protection class II
Sensor inputs 3 x Pt1000, 1xVortex Flow sensor
Measuring range PT1000 -40°C up to 300°C
Measuring range VFS 0°C-100°C(-25°C/120°C short term)
2l/min -40 l/min (VFS2-40)
Permissible ambient conditions:
Ambient temperature
for controller operation 0°C...40°C
for transport/storage 0°C...60°C
Air humidity
for controller operation max. 85% rel. humidity at 25°C
for transport/storage no moisture condensation permitted
Other specifications and dimensions
Housing design 2-part, ABS plastic
Installation methods Wall installation, optionally panel installation
Overall dimensions 163mm x 110mm x 52mm
Aperture installation
dimensions 157mm x 106mm x 31mm
Display Fully graphical display, 128 x 64 dots
Light diode Multicolour
Operation 4 entry keys
Temperature sensors: (may not be included in the scope of supply)
Collector or boiler sensor Pt1000, e.g. immersion sensor TT/S2 up to 180°C
Storage tank sensor Pt1000, e.g. immersion sensor TT/P4 up to 95°C
Pipe-mounted sensor Pt1000, e.g. pipe-mounted sensor TR/P4 up to 95°C
Vortex ow sensor ow and temperature measuring
Sensor leads PT1000:2x0.75mm² extendable up to 30m max.
VFS: prolongable to 3 m max.
Temperature resistance table for Pt1000 sensors
°C 0 10 20 30 40 50 60 70 80 90 100
Ω 1000 1039 1077 1116 1155 1194 1232 1270 1308 1347 1385
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