Daikin FXAQ12MVJU- Installation Manual

4 2-1 ACCESSORIES Check the following accessories are included with your unit. 2-2 OPTIONAL ACCESSORIES FOR THE FOLLOWING ITEMS, TAKE SPECIAL CARE DURING CONSTRUCTION AND CHECK AFTER INSTALLATION IS FINISHED. 1. Items to be checked after completion of work Name (1) Installation panel (2) Attachment ...

5 2. Items to be checked at time of delivery * Also review the “SAFETY CONSIDERATIONS” Points for explanation about operations 2-3 NOTE TO THE INSTALLER Be sure to instruct customers how to properly operate the unit (especially cleaning filters, operating different functions, and adjusting the tempe...

6 (2) Consider whether the place where the unit will be installed can support the full weight of the unit, and reinforce it with boards and beams, etc. if needed before proceeding with the installation. Also, reinforce the place to prevent vibration and noise before installing. (The installation pit...

7 (c) Secure the installation panel (1) to the wall using either screws or bolts. • If using the attachment screws for the installation panel (2), attach using at least 4 screws on eitherside (for a total of 8 screws (12 type), 9 screws (18, 24 type)) of the recommended installation cleatposition on...

8 (5) Point the pipe in the direction it will be passed out. For bottom-right and back-right piping (Refer to Fig. 6)• Wrap the drain hose and the refrigerant piping together with the insulat-ing tape (4) so that the drain hose is below the refrigerant piping. For left, bottom-left, and back-left pi...

9 (6) Hook the indoor unit onto the installation panel. (Refer to Fig. 9) • Placing buffering material between the wall and the indoor unit at this time will make work easier. For bottom-right and back-right piping • Pass the drain hose and the refrigerant piping to the wall. (7) Pass power supply w...

10 ■ When screwing in the indoor unit • Remove the front grill. (Refer to Fig. 7) • Secure the indoor unit to the installation panel (1) with the securing screws (6). (Refer to Fig. 11) 5. REFRIGERANT PIPING WORK 〈 For refrigerant piping of outdoor units, see the installation manual attached to the ...

11 • Refer to Table 1 for tightening torque. Table 1 Not recommendable but in case of emergency You must use a torque wrench but if you are obliged to install the unit without a torque wrench, you mayfollow the installation method mentioned below. After the work is finished, make sure to check that ...

12 CAUTION Be sure to insulate any field piping all the way to the piping connection inside the unit. Any exposed piping may cause condensate or burns if touched. 6. DRAIN PIPING WORK (1) Install the drain piping. (Refer to Fig. 16) • The drain pipe should be short with a downward slope and should p...

13 (2) Make sure the drain works properly. • After drain work is complete, perform a drain check by opening the front panel, removing the air filter , pouring water into the drain pan, and making sure water flows smoothly out of the drain hose. (Refer to Fig. 19) CAUTION Drain piping connections Do ...

14 7-3 SPECIFICATIONS FOR FIELD SUPPLIED FUSES AND WIRE • Allowable length of transmission wiring and remote controller wiring are as follows.(1) Outdoor unit - Indoor unit:Max.3280ft. (Total wiring length: 6560ft.)(2) Indoor unit - Remote controller:Max.1640ft. • Insulated thickness: 1/16” or more....

15 CAUTION Be sure to attach the sealing material and putty (field supplied) to hole of wiring to prevent the infiltration of water as well as any insects and other small creatures from outside. Otherwise a short-circuit may occur inside the electric parts box. When clamping the wirings, be sure no ...

16 [ PRECAUTIONS ] 1. Use round crimp-style terminals for connecting wires to the power supply terminal block. (Refer to Fig. 23) If unavailable, observe the following points when wiring. • Do not connect wires of different gauge to the same power supply terminal.(Looseness in the connection may cau...

17 8-2 WIRING EXAMPLE • Fit the power supply wiring of each unit with a switch and fuse as shown in the drawing. COMPLETE SYSTEM EXAMPLE (3 systems) 1. When using 1 remote controller for 1 indoor unit. (Normal operation) 2. For group control or use with 2 remote controllers

18 3. When including BS unit NOTE 1. A single switch can be used to supply power to units on the same system. However, branch switches and branch circuit breakers must be selected carefully. 2. Do not ground the equipment on gas pipes, water pipes, lightning rods or telephone ground wires. Improper ...

19 8-4 COMPUTERISED CONTROL (FORCED OFF AND ON/OFF OPERATION) (1) Wire specifications and how to perform wiring • Connect the input from outside to terminals T1 and T2 of the terminal block (6P). (2) Actuation • The following table explains FORCED OFF and ON/OFF OPERATIONS in response to Input A. (3...

20 9-1 SETTING AIR FILTER SIGN • Remote controllers are equiped with liquid crystal display air filter signs to display the time to clean air filters. • Change the SECOND CODE NO. according to Table 3 depending on the amount of dirt or dust in the room.(SECOND CODE NO. is factory set to “01” for air...