User manual LG LRTPC2031T

[. . . ] 5 Wiring example and how to set the remote controller. Check if the following accessories are included with your unit. Paper pattern for installation 1 piece Insulation for fitting 1 each Washer for hanging bracket 8 pieces for gas pipe for liquid pipe 125FM3HPQ 8 pieces 12 pieces 16 pieces Screws for fixing the paper pattern for installation 6 pieces Leave the unit inside its packaging until you reach the installation site. Where unpacking is unavoidable, use a sling of soft material or protective plates together with a rope when lifting, this to avoid damage or scratches to the unit. [. . . ] If higher or lower external static pressure is required, reset the external static pressure by repositioning the adaptors of the PC-board. ) Use anchors for existing ceilings, and a sunken insert, sunken anchors or other field supplied parts for new ceilings to reinforce the ceiling in order to bear the weight of the unit. For refrigerant piping of outdoor unit, refer to the installation manual supplied with the outdoor unit. Before rigging tubes, check which type of refrigerant is used. All field piping must be provided by a licensed refrigeration technician and must comply with the relevant local and national codes. Use a pipe cutter and flare suitable for the used refrigerant. Apply ether oil or ester oil around the flare portions before connecting. To prevent dust, moisture or other foreign matter from infiltrating the tube, either pinch the end, or cover it with tape. The outdoor unit is charged with refrigerant. Be sure to use both a spanner and torque wrench together when connecting or disconnecting pipes to/from the unit. Rig the drain piping as shown in the figure and take measures against condensation. Lower the switch box as shown in figure 11c. Put the wires through the wiring ports of the switch box cover before connecting them. 1 2 3 4 5 Small bottom plate Air filter holding plate Switch box Interchangeable plate Square hole (covered by the switch box cover) PRECAUTIONS 1 Observe the notes mentioned below when wiring to the power supply terminal board. - Do not connect wires of different gauge to the same power supply terminal. The unit is factory set for standard static pressure (X4A) at the time of shipping. 2 Keep total current of crossover wiring between indoor units less than 12 A. Branch the line outside the terminal board of the unit in accordance with electrical equipment standards, when using two power wiring of a gauge greater than 2 mm 2 (Ø1. The branch must be sheathed in order to provide an equal or greater degree of insulation as power supply wiring itself. 3 Do not connect wires of different gauge to the same grounding terminal. looseness in the connection may deteriorate the protection. Remote controller cords and wires connecting the units should be located at least 50 mm away from power supply wiring. [. . . ] After turning on the power, press FILTER SIGN RESET button. How to clean air outlet and outside panels clean with soft cloth. When it is difficult to remove stains, use water of neutral detergent. Clean the air inlet grille when it is shut. [. . . ]