Daikin RZR42PVJU- Installation Manual

7 English (E) When outdoor units are installed in rows (on the rooftop, etc.) (1)When one outdoor unit is installed in each row (2)When two or more outdoor units are installed side by side The dimensional relationship between H, L and A is as shown in thetable below. 5. CAUTIONS ON INSTALLATION • Be...

English 8 NOTE • Maximum piping length between the outdoor and indoor unit is 230ft.• Installation tools: Make sure to use installation tools (gauge manifold charge hose,etc.) that are exclusively used for R410A installations to withstandthe pressure and to prevent foreign materials (e.g. mineral oi...

9 English • Be careful not to let the field piping come into contact with the compres-sor terminal cover.Adjust the height of the insulation material on liquid pipe when it has the possibility of getting in contact with the terminal. Also make sure that the field piping does not touch the mounting b...

English 10 • If the outdoor unit is not in operation and the total amount cannot be charged, follow the procedures for additional refrigerant charge shown below. • Make sure to use installation tools you exclusively use on R410A installations to withstand the pressure and to prevent foreign materi-a...

11 English CAUTION <To electrician> • Do not operate the air conditioner until the refrigerant piping work is completed. (Operating the air conditioner before the refrigerant piping work is completed may damage the compressor.) • Install a ground fault circuit interrupter. (The inverter is pro...

English 12 7-3 Power supply wiring connection procedure WARNING • Never connect power supply wiring to the terminal block for remote controller wiring as this could damage the entire system. Install a ground fault circuit interrupter. • It is obliged to install a ground fault circuit interrupter to ...

13 English 7-4 Transmission wiring connection procedure • If an excessive force is applied while connecting a cable to the terminal block on the PC board, the PC board may be damaged. CAUTION • For low-noise operation, it is necessary to install the optional “Exter- nal control adaptor for outdoor u...

English 14 9-1 Power on and check operation • Make sure to perform the check operation after installation. (If the air conditioner is operated using the indoor remote controller without performing the check operation, the malfunction code “U3” is dis-played in the indoor remote controller, and norma...

15 English (Check a malfunction code in the remote controller connected to the indoor unit.) • There might be a problem with the connection or transmission between the indoor unit and the remote controller.Check connections, and check for wire breakage. CAUTION <To piping technician><To ele...