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TECHNICAL CHARACTERISTICS
• Power supply: 230V AC ± 15% 50/60 Hz
• Charge reserve (in case of blackout): about 12 hours
• Output: bistable relay with changeover contact 5A / 250V AC
• Weekly programming with 3 settable temperatures: T1, T2, T3
• Daily resolution: 1h
• Switch-on delay set between 15, 30 or 45 minutes (independent for each hour)
• Measured temperature scale: 0°C ÷ + 50°C
• Measured and displayed temperature resolution: 0.1°C
• Temperature regulation range: 2.0°C ÷ + 50°C
• Measurement update: every 20 seconds
• Measurement accuracy: ± 0.5 ° C
• Temperature regulation:
– on/off with adjustable differential between 0.1°C and 1°C
– proportional with settable band and regulation period
• Operating mode: heating (winter) or conditioning (summer)
• Configurable display backlighting
• Display of relative humidity (regulation is not allowed)
• Displayed ranges: 20% ÷ 90% RH
• Accuracy: 1% RH
• Automatic winter time/summer time
• Keypad lock with password for installation in public places
• Wall installation (or covering the box 503)
• Terminal block for cables with section of 1.5 mm
• Operating temperature: 0°C ÷ +50°C
• Operating humidity: 20% ÷ 90% non condensing
• Storage temperature: -20°C ÷ +65°C
• Degree of protection: IP: XXD
Compliance with Community Directives
2014/35/EU (LVD)
2014/30/EU (EMCD)
is declared with reference to the following harmonized standards:
EN 60730-2-7, EN 60730-2-9
REFERENCE STANDARDS
- 52 -
OB326800 Chronothermostat User Manual
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