Contents Safety Considerations ........1 Refrigerant Piping Work ........9 1. Flaring the pipe end ........... 10 Accessories ............3 2. Refrigerant piping............10 Choosing an Installation Site ......3 Installation Tips ..........11 1. Indoor unit ..............3 1. Removing and installing the upper front panel... 11 2.
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Daikin are used, fire or explosion may occur. • Do not install the air conditioner or heat pump in the • Do not use means to accelerate the defrosting process (if...
Indoor Unit Installation Diagram CAUTION • Do not hit or violently push the INTELLIGENT EYE sensor. This can lead to damage and malfunction. • Do not place large objects near the INTELLIGENT EYE sensor. Also keep heating units or humidifiers outside the sensor’s detection area.
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 plate is completely level, and mark the drilling points on the wall.
Installing the indoor unit • The recommended installation method is back piping. • When performing bottom piping or left side piping, refer to “3-2. Left-side, left-back, or left-bottom piping”. • Right side piping cannot be performed. • In the case of bending or curing refrigerant pipes, keep the following precautions in mind. Abnormal sound may be generated if improper work is conducted.
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Indoor Unit Installation How to remove the pipe port cover 1) Cut off the pipe port cover with a copping saw. Apply the blade of the copping saw to the notch, and cut off the pipe port cover along the uneven inner surface. •...
Wiring Refer to the installation manual for the outdoor unit also. WARNING • Do not use tapped wires, extension cords, or starburst connections, as they may cause overheating, electric shock, or fire. • Do not use locally purchased electrical parts inside the product. (Do not branch the power for the drain pump, etc., from the terminal block.) Doing so may cause electric shock or fire.
Indoor Unit Installation 9) In case of connecting to an adapter system, run the remote controller cable and attach the S21. (Refer to “5. When connecting to an HA system” on page 13.) 10) Attach the conduit mounting plate. 11) Shape the wires so that the service lid fits securely. 12) Attach the front grille.
With a multi indoor unit , install as described in the installation manual supplied with the multi outdoor unit. Flaring Flaring the pipe end Set exactly at the position shown below. Flare tool for 1) Cut the pipe end with a pipe cutter. Conventional flare tool R32 or R410A 2) Remove burrs with the cut surface facing downward,...
Installation Tips Removing and installing the upper front panel • Removal method CAUTION 1) Open the upper front panel. Do not attempt to push closed the front panel 2) Slide the front panel locks on the back of the front panel upward with the upper and lower front panels to release the locks (left and right sides).
7) Wear protection gloves and insert both hands Upper hooks under the front grille as shown in the figure. 8) Remove the front grille from the 3 upper hooks by pushing up the top side of the front grille, pull 8-1) Push up.
Installation Tips When connecting to an HA system (wired remote controller, central remote controller etc.) • Removal methods for metal plate Metal plate electrical electrical wiring box covers wiring box cover (A) 1) Remove the upper front panel and front Metal plate electrical wiring box cover (B) grille.
Trial Operation and Testing Trial operation and testing • Trial operation should be carried out in either COOL or HEAT operation. 1-1. Measure the supply voltage and make sure that it is within the specified range. 1-2. In COOL operation, select the lowest programmable temperature; in HEAT operation, select the highest programmable temperature.
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The two-dimensional bar code is a manufacturing code. 3P674703-1 M21B356 (2203) HT...
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