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 ..
Indoor Unit Installation Drawings How to attach the indoor unit Hook the claws of the bottom frame A Mounting plate to the mounting plate. If the claws are difficult to hook, remove the front grille. Clip How to remove the indoor unit Bottom frame Push up the marked area (at the lower part of the front grille) to...
Preparation before Installation Removing and installing front panel • Removal method Hook fingers on the tabs on the left and right of the main body, and open until the panel stops. Slide the front panel sideways to disengage the rotating shaft. Then pull the front panel toward you to remove it. •...
Preparation before Installation How to set the different addresses When two indoor units are installed in one room, the two wireless remote controllers can be set for different addresses. 1) Remove the metal plate electrical wiring cover. (Refer to the When connecting to an HA system.) 2) Cut the address jumper (JA) on the printed circuit board.
Refrigerant Piping Work , install as described in the installation manual supplied with the multi outdoor unit. With a multi indoor unit Flaring the pipe end (Cut exactly at 1) Cut the pipe end with a pipe cutter. right angles.) Remove burrs.
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 panel is completely level, and mark the boring points on the wall.
Indoor Unit Installation Laying piping, hoses, and wiring 4-1. Right-side, right-back, or right-bottom Remove pipe port cover piping here for right-side piping 1) Attach the drain hose to the underside of the refrigerant pipes with adhesive vinyl tape. Right-back piping Remove pipe port cover 2) Wrap the refrigerant pipes and drain hose together here for right-bottom piping...
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.
Page 14
Two-dimensional bar code is a code for manufacturing. 3P276866-1B M10B202A (1012) HT...