User manual

GB
Page GB-37
Technical specifications (thermostat)
Supply voltage: Via data bus
(Protective extra low voltage acc. to EN 60730)
Power consumption: 300 mW
Bus interface: RS 485
Ambient temperature: 0..0,50 °C
Storage temperature: -25..0.60 °C
Protection type acc. to EN 60529: IP 20
Protection type acc. to EN 60730: III
Approval according to: VDE 60 730
Casing dimensions (WxHxD): 90 x 138 x 28 mm (WxHxT)
Casing material: ABS, antistatic
Electrical connections: 2-wire mode with screw-plug connection
Recommended connecting cable: screened, 0.6 mm Ø, 2-strands
Maximum permitted cable length: 50 m
Data storage and timer
reserve at time of delivery: min. 5 years
Accuracy of internal clock: ± 2 s/day
Display: alphanumeric plain text with symbols
and light after pressing a key
Weight: approx. 150 g
Electrical connection (thermostat)
ABS
B
A
Important: The two wires of the data
bus (A, B) may not be mixed
up by mistake !
Socket (unit removed)
8A520900_GB.qxp 11.11.2004 14:42 Seite 37