Page 3 - English; Safety Precautions; • The following safety symbols are used throughout this manual:; WARNING; • Be sure to use the supplied or specified installation parts.; CAUTION
1 ■ English Safety Precautions • Read these Safety Precautions carefully to ensure correct installation.• This manual classifies the precautions into WARNING and CAUTION. Be sure to follow all the precautions below: they are all important for ensuring safety. WARNING ...............Failure to follow...
Page 4 - Accessories; • Before choosing the installation site, obtain user approval.; Wireless remote controller.
■ English 2 Accessories – , Choosing an Installation Site • Before choosing the installation site, obtain user approval. 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 inta...
Page 5 - Installation Tips; Removing and installing front panel.; Removing and installing front grille.; • Removal method; When there is no work space because the unit is close to ceiling; • Installation method; How to set the different addresses.
3 ■ English Installation Tips 1. Removing and installing front panel. • Removal method 1) Place your fingers in the indentations on the main unit (one each on the left and right sides), and open the panel until it stops. 2) Continue to open the front panel further while sliding the panel to the righ...
Page 6 - Indoor Unit Installation Drawings
■ English 4 Indoor Unit Installation Drawings A M4 × 16L D Wireless remote controller E Remote controller holder Before screwing the remote controller holder to the wall, make sure that control signals are properly received by indoor unit. Service lid Opening service lid Service lid is opening/closi...
Page 7 - Indoor Unit Installation; Installing the mounting plate.; Recommended mounting-plate retention spots and Dimensions
5 ■ English Indoor Unit Installation 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...
Page 8 - Boring a wall hole and installing wall embedded pipe.
■ English 6 2. Boring a wall hole and installing wall embedded pipe. • For walls containing metal frame or metal board, be sure to use a wall embedded pipe and wall cover in the feed-through hole to prevent possible heat, electrical shock, or fire. • Be sure to caulk the gaps around the pipes with c...
Page 9 - • Replacing onto the left side; How to replace the drain plug and drain hose.
7 ■ English Indoor Unit Installation 3-2. Left-side, left-back, or left-bottom piping. 1) Attach the drain hose to the underside of the refrigerant pipes with adhesive vinyl tape. 2) Be sure to connect the drain hose to the drain port in place of a drain plug. 3) Shape the refrigerant pipe along the...
Page 10 - When connecting to a wired remote controller.; Figure 1: Removing the cover from
■ English 8 4. Wiring. 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 corre- sponding terminals. 3) Connect the earth wires to the corresponding terminals.4) Pull wires to make sure that they are secure...
Page 11 - Figure 2: Preparing the accessory; Cut-outs for the connection cords
9 ■ English Indoor Unit Installation 5-5. Prepare the accessory (separate product) [Figure 2]. 1) Remove the cover from the accessory (separate product).2) Insert the connection cord into connector “S21” (white) in the accessory (separate product).3) Route each of the connection cords through the cu...
Page 12 - Refrigerant Piping Work; Flaring the pipe end.
■ English 10 6. Drain piping. 1) Connect the drain hose, as described right. 2) Remove the air filters and pour some water into the drain pan to check the water flows smoothly. 3) If drain hose extension or embedded drain piping is required, use appropriate parts that match the hose front end. [Figu...
Page 14 - Trial Operation and Testing; Trial operation and testing.; such as louver movement, are working properly.
■ English 12 Trial Operation and Testing 1. 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 he...