User manual LG CW-C51GU

[. . . ] Power supply and indoor unit connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2. Setting of Contact Signal Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3. Setting the desired temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 4. [. . . ] Control mode setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 5. Indoor unit monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2 Dry contact for communication Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. I Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. WARNING CAUTION This symbol indicates the possibility of death or serious injury. This symbol indicates the possibility of injury or damage. I Meanings of symbols used in this manual are as shown below. Be sure not to do. Be sure to follow the instruction. WARNING I During installation Do not touch the board when the power is connected. Always request for installation of the product to the service center or the installation service provider. · It can cause a fire, electric shock, explosion and injury. Install the product on flat surface and install anchoring screws at more than 2 places. Otherwise the central controller may not be anchored properly. Do not tighten anchoring screws too tightly. It may cause malfunction of the central controller. Owner's & installation manual 7 Setting and using method Setting and using method You must press the RESET switch when you are completed with all the settings to reflect the settings. 1. Power supply and indoor unit connection I When using the Dry contact for communication independently Indoor unit PCB CN_INDOOR I When using with the central controller (Only when the indoor unit PCB is a non-communication model) Indoor unit PCB CN_INDOOR CN_PI485 PI485: Connect to central controller 8 Dry contact for communication Setting and using method 2. Setting of Contact Signal Input I For no power contact point signal input LG does not supply this section (Local supply) I For power contact point signal input LG does not supply this section (Local supply) Owner's & installation manual 9 Setting and using method 3. Setting the desired temperature I When setting the desired temperature of the Dry contact for communication : When operating the indoor unit, set the desired temperature according to the TEMP_SW setting. [. . . ] Setting of Contact Signal Input I For no power contact point signal input LG does not supply this section (Local supply) I For power contact point signal input LG does not supply this section (Local supply) Owner's & installation manual 9 Setting and using method 3. Setting the desired temperature I When setting the desired temperature of the Dry contact for communication : When operating the indoor unit, set the desired temperature according to the TEMP_SW setting. When the indoor unit is unlocked, the desired temperature can be reset by other controller 1) Turn on the TEMP_SETTING switch of SETTING_SW. 2) Use the TEMP_SW to set the temperature as shown below. Desired temperature setting table TEMP SW 0 setting Temperature setting(°C) 18 TEMP SW 8 setting Temperature setting(°C) 26 1 19 2 20 SETTING_SW 3 21 4 22 5 23 6 24 7 25 9 27 A 28 B 29 C 30 D 30 E 30 F 30 1) Turn off the TEMP_SETTING switch of SETTING_SW. When operating the indoor unit initially in Dry contact for communication, set the desired temperature to 18°C. 10 Dry contact for communication SETTING_SW I When not using the desired temperature setting of Dry contact for communication Setting and using method 4. [. . . ]