4
Symbols and safety precautions
6 720 812 418(2014/07)
OR30 OT Thermostat
1.2 Safety instructions
General safety instructions
▶ Follow the manual to ensure complete functionality.
▶ Install and use heaters and other accessories according to the manual.
▶ Accessories only can be installed by authorized installer.
▶ The accessories must not be connected to power supply of 220~240V.
▶ Before installing the accessories:
Interrupt power supply of heaters and other members of bus (220~240V AC).
▶ Please inform the working way of the accessories, and guide customers to
operate.
▶ Heater is switched on when freezing danger occurs, and comply with anti-freezing
tips.
Damage caused by operational errors
Operational errors may cause personal injury and/or property damage.
▶ Ensure that children should not operate and/or play with the equipment under
unattended circumstances.
▶ Ensure that the equipment only can be touched by personnel who can operate the
equipment correctly.
Summary of Contents for OR30 OT
Page 16: ......
