Safety Precautions • The precautions described herein are classified as WARNING and CAUTION. They both contain important information regarding safety. Be sure to observe all precautions without fail. • Meaning of WARNING and CAUTION notices WARNING ..Failure to follow these instructions properly may result in personal injury or loss of life. CAUTION ..
• If a service part is required, obtain and install the part indicated by the part number corresponding to the unit’s model name. Side cover for right-side piping Side cover for left-side piping Model name Part name Model name Part name Model name Part name Model name Part name FTXG25JV1BW FTXG25JV1BA FTXG25JV1BW FTXG25JV1BA FTXG35JV1BW FTXG35JV1BA FTXG35JV1BW FTXG35JV1BA 5003652 5003654 5003651...
Indoor Unit Installation Drawings A Mounting plate How to attach the indoor unit A Mounting Hook the claws of the bottom plate frame to the mounting plate. If the claws are difficult to hook, Clip remove the front grille. Front grille Bottom frame The mounting plate should be Screws...
Preparation before Installation Removing and installing front panel • Removal method 1) Hook fingers on the indentations on the left and right sides of the indoor unit, and open the front panel to a position higher than the horizontal level. 2) Raise the front panel lock tabs on the left and right sides, and slide the front panel locks upward.
Preparation before Installation 7) Wear protection gloves and insert both hands under the front grille as 1) Push up. shown in the illustration. Upper hooks 8) Remove the front grille from the 3 upper hooks by pushing up the top side of the front grille, pull the front grille toward you by holding both ends of the front grille, and dismount the front grille.
• Attachment methods of connection cord HA connector (S21) 1) Remove the metal plate electrical wiring cover. (Refer to the Removal methods of metal plate electrical wiring covers.) 2) Attach the connection cord to the S21 connector and pull the harness out through the notched part in the figure. 3) Replace the electrical wiring cover as it was, and pull the harness around, as shown in the figure.
Refrigerant Piping Work Refrigerant piping CAUTION • Use the flare nut fixed to the main unit. (To prevent cracking of the flare nut by aged deterioration.) • To prevent gas leakage, apply refrigeration oil only to the inner surface of the flare. (Use refrigeration oil for R410A.) •...
Indoor Unit Installation 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 unit is completely level, and mark the boring points on the wall.
Indoor Unit Installation Laying piping, hoses, and wiring • The recommended installation method is back piping. • When performing side piping (b), refer to 5. Side piping on page 10. Bind refrigerant pipe and drain hose In the case of bottom piping (c), refer to 6. Bottom piping on page 10. together with adhesive vinyl tape.
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9) While exercising care so that the inter-unit wire do not catch indoor unit, press the bottom edge of indoor unit with both hands until it is Inter-unit wire firmly caught by the mounting plate hooks. Secure indoor unit to the Mounting plate mounting plate with indoor unit fixing screws (M4 ×...
Indoor Unit Installation Wiring , install as described in the installation manual supplied with the multi outdoor With a multi indoor unit unit. 1) Strip wire ends (15mm). 2) Match wire colours with terminal numbers on indoor and outdoor unit’s terminal blocks and firmly screw wires to the corresponding terminals.
Trial Operation and Testing Trial operation and testing 1-1 Measure the supply voltage and make sure that it falls in the specified range. 1-2 Trial operation should be carried out in either cooling or heating mode. • In cooling mode, select the lowest programmable temperature; in heating mode, select the highest programmable temperature.