Page 2 - Wireless remote controller.; Accessories; Removal method; ; CAUTION; Installation method; How to set the different
1. Indoor unit. • The indoor unit should be sited in a place where: 1) the restrictions on installation specified in the indoor unit installation drawings are met,2) both air intake and exhaust have clear paths met,3) the unit is not in the path of direct sunlight,4) the unit is away from the source...
Page 3 - Indoor Unit Installation Drawings; sensor’s detection area.
Indoor Unit Installation Drawings Intelligent-eye Sensor (FTXS, FTKS only) 1) Do not hit or violently push the intelligent-eye sensor. This can lead to damage and malfunction.2) Do not place large objects near the sensor. Also keep heating units or humidifiers outside the sensor’s detection area. CA...
Page 4 - Installing the mounting plate.; mark the boring points on the wall.; Recommended mounting plate retention spots and dimensions; Boring a wall hole and installing wall embedded pipe.; prevent water leakage.
1. Installing the mounting plate. • The mounting plate should be installed on a wall which can support the weight of the indoor unit.1) Temporarily secure the mounting plate to the wall, make sure that the panel is completely level, and mark the boring points on the wall. 2) Secure the mounting plat...
Page 5 - Installing indoor unit.
Indoor Unit Installation (2) 3. Installing indoor unit. 3-1. Right-side, right-back, or right-bottom piping. 1) Attach the drain hose to the underside of the refrigerant pipes with an adhesive vinyl tape. 2) Wrap the refrigerant pipes and drain hose together with an insulation tape. 3) Pass the drai...
Page 6 - When connecting to an HA system.; , install as described in the installation; from the terminal block.) Doing so may cause electric shock or fire.; WARNING; With a Multi indoor unit
5. When connecting to an HA system. 1) Remove the front grille. (3 screws) 2) Remove the electrical wiring box. (1 screw) 3) Remove the metal plate electrical wiring cover. (4 tabs) 4) Attach the connection cord to the S21 connector and pull the harness out through the notched part in the figure. 5)...
Page 7 - Refrigerant Piping Work; pipe bender for bending.; Flaring the pipe end.
Refrigerant Piping Work 2. Refrigerant piping. 2-1. Caution on piping handling. 1) Protect the open end of the pipe against dust and moisture.2) All pipe bends should be as gentle as possible. Use a pipe bender for bending. 2-2. Selection of copper and heat insulation materials. • When using commerc...
Page 8 - Trial Operation and Testing; Trial operation and testing.
Trial Operation and Testing Test items Incomplete cooling/heating function No refrigerant gas leaks. Draining line is properly installed. Indoor and outdoor units are installed properly on solid bases. Refrigerant gas and liquid pipes and indoor drain hose extension are thermally insulated. Fall, vi...