Daikin RXYQ18PY1- Manuals

4 English 2-4 COMBINATION • This BS unit is only for systems for Models REYQ-P.It cannot be connected to systems for Models REYQ-M. • For series of applicable indoor units, refer to the catalog or other literature. • Select the BS unit to fit the total capacity (sum of unit’s capacity) and max. numb...

English 5 Note: The EL. COMPO. BOX mounting surface can be changed. For information on how to change the mounting surface, refer to “ 5. BS UNIT INSTALLATION” . NOTES • Study if the installation location is strong enough to hold the weight of the unit, and if necessary reinforce the area with a beam...

6 English 5. BS UNIT INSTALLATION Use only accessories and parts which are of the designated specification when installing. (1) When necessary, use the following procedure to change the EL. COMPO. BOX mounting surface. ( Refer to Fig. 4 ) 1) Remove the EL. COMPO. BOX lid. (2 screws)2) Remove the EL....

English 7 6. REFRIGERANT PIPING WORK • For instruction for installing piping between the outdoor unit and BS unit, selecting a refrigerant branch kit, and installing piping between the refrigerant branch kit and the indoor unit, refer to the installation manual and equipment design materials include...

8 English 6-2 PROTECTION AGAINST CONTAMINATION WHEN INSTALLING PIPES Protect the piping to prevent moisture, dirt, dust, etc. from entering the piping. NOTE Exercise special caution to prevent dirt or dust when passing piping through holes in walls and when passing pipe edges to the exterior. 6-3 PI...

English 9 Example of connection 2: When there is a branch downstream from the BS unit Table 1 Indoor unit total capacity and pipe size Table 2 Indoor unit connection pipe size * The BS unit downstream connection pipe sizes are shown below. If the pipe diameter differs from that of the indoor unit co...

English 11 6-6 PIPING INSULATION • After the gas leak inspection is completed, refer to the following figures and use the included insulation tube 3) and clamps 2) to apply the insulation. NOTES • Insulate all of the piping including the liquid pipes, HP/LP gas pipes, suction gas pipes, gas pipes, a...

12 English 7. ELECTRIC WIRING WORK 7-1 GENERAL INSTRUCTIONS • All wiring must be performed by an authorized electrician. • All field supplied parts and materials, electric works must conform to local codes. • Always ground wires. (In accordance with national regulations of the pertinent country.) • ...

English 13 NOTES • The above Table 3 of Electrical Characteristics refers to one BS unit. • See the Engineering data book for other details. 7-4 WIRING EXAMPLE • Here is shown a wiring example for one system transmission wiring. • Connect terminals F1 and F2 (TO IN/D UNIT) on the control PCB (A1P) i...

14 English NOTES • Use ring-type crimp style terminal for connections to the power terminal block. ( Refer to Fig. 6 ) Also, insulate the crimped area by attaching an insula-tion sleeve, etc.If these are not available, see the following section.(a) Wiring of different thicknesses cannot be connected...