This symbol indicates important information where there is no risk to people or property. Additional symbols Symbol Explanation ▶ Step in an action sequence Cross-reference to another part of the document • List entry – List entry (second level) Table 1 6 720 812 418(2014/07) OR30 OT Thermostat...
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. OR30 OT Thermostat 6 720 812 418(2014/07)
• Set the parameter of CH and DHW water • Control the flame so as to make the room temperature comfortable 3.5 Cleaning ▶ Use wet cleaning cloth to wipe the housing of controller. Must not use irritant or corrosive detergent. 6 720 812 418(2014/07) OR30 OT Thermostat...
The standard mounting holes are at the back of thermostat, and user can install the thermostat on the wall with them. Open the thermostat and install the thermostat according to the letters given by the follow picture. 6720812418-01.1O Wall-hung boiler Fig. 3 6 720 812 418(2014/07) OR30 OT Thermostat...
5.3 Installation steps ▶ Finger-tighten the middle part of three edges of back cover, as shown in the figure, to make the three edges recessed, and then remove back cover(see Fig. 4). Fig. 4 OR30 OT Thermostat 6 720 812 418(2014/07)
Page 11
▶ Drill two installing holes on the wall, and push swell plastic button in holes. Use screws to fix back cover onto wall surface,(see as Fig. 5) (Distance between two holes is 60mm, please try to make uniform height). Wall space 6720812418-02.1O Fig. 5 6 720 812 418(2014/07) OR30 OT Thermostat...
Page 12
12 Installation ▶ Use a screwdriver to connect OT cable to product connector base, as shown in Fig. 6 (Regardless of cable positive and negative electrodes). Fig. 6 OR30 OT Thermostat 6 720 812 418(2014/07)
Page 13
Installation | 13 ▶ Fix the product on the back cover, as shown in Fig. 7. Fig. 7 6 720 812 418(2014/07) OR30 OT Thermostat...
▶ Press up(P8) and down(P9) key together to enter temperature correction and then the battery icon will flash up on the LCD. ▶ Adjust the value by “up(P8)”and “down (P9)”key. If the temperature difference is not very obvious, this function is not recommended. OR30 OT Thermostat 6 720 812 418(2014/07)