Daikin RXY10MY1- Installation Manual

English 4 5. The space around the unit is adequate for servicing and the mini-mum space for air inlet and air outlet is available.(See the “Installation Space Examples” for the minimum space requirements.) Installation Space Examples • The installation space requirement shown in figure 2 is a refere...

5 English 6. REFRIGERANT PIPING NOTE • All field piping must be installed by a licensed refrigeration technician and must comply with relevant local and national regulations. • After piping work is complete, do not under any circumstances open the shutoff valve until “7. FIELD WIRING” and “10. CHECK...

English 6 13. High side equalizer accessory pipe (1) 14. L type accessory joint (1) 15. L type accessory joint (2) 16. Liquid side accessory pipe (2) 17. Low side equalizer accessory pipe (2) 18. Gas side accessory pipe (1) 19. High side equalizer accessory pipe (2) 20. Installation for multi system...

7 English (4) If the piping length between the outside units exceeds 80 in., cre-ate a rise of 8 in. or more in the gas piping under a length of 80 in. from the outside unit multi connection piping kit. 5. Branching the refrigerant pipingHeed the restrictions below when installing the refrigerant br...

English 8 6-5 Example of connection Example of connection (Connection of 8 indoor units) (*1) “ ” Indicate the Outside unit multi connection piping kit. (*2) In case of multi outdoor system, re-read “outside unit” to “the first Outside unit multi connection piping kit” as seen from the indoor unit. ...

9 English Outside unit multi connection piping kit and Refrigerant branch kit selection Pipe size selection • Refrigerant branch kits can only be used with R410A. • When multi outdoor system are installed, be sure to use the special separately sold Outside unit multi connection piping kit. (BHFP22P1...

English 10 Required Conditions Example Dr a wings 1. It is necessa y to increase the pipe siz e betw een the first br anch kit and the final br anch kit. (Reducers m ust be procured on site) Ho w e ve r, the pipes that are same pipe siz e with main pipe m ust not be increased 2. For calculation of T...

11 English 7. FIELD WIRING NOTE • All field wiring and components must be installed by a licensed elec-trician and must comply with relevant local and national regulations. • Be sure to use a dedicated power circuit. Never use a power supply shared by another appliance. • Never install a phase advan...

English 12 NOTE • Open the knock holes with a hammer or the like. • After knocking out the holes, we recommend you remove any burrs and paint them using the repair paint to prevent rusting. (Refer to figure 18-1, 2) • When passing wiring through the knock holes, remove burrs around the knock holes a...

13 English • When two wires are connected to a single terminal, connect them so that the rear sides of the crimp contacts face each other. Also, make sure the thinner wire is on top, securing the two wires simultaneously to the resin hook using the included clamp (1). 7-6 Procedure for Wiring Inside...

English 14 <Air tight test> Pressurize the liquid pipe, gas pipe, and equalizer pipe from the ser-vice ports of each shutoff valve to 550 psi (do not pressurize more than 550 psi). If the pressure does not drop within 24 hours, the sys-tem passes the test.If there is a pressure drop, check for...

15 English Tightening torque The sizes of the shutoff valves on each model and the tightening torque for each size are listed in the table below. <Size of Shutoff Valve> (Refer to figure 28) 1. Service port 2. Cap 3. Hex holes 4. Shaft (valve body) 5. Seal section To open 1. Remove the cap and...

19 English 13-3 Checks After Test Run Perform the following checks after the test run is complete. • Record the contents of field setting. → Record them on the accessory “REQUEST FOR THE INDICA-TION” label.And attach the label on the back side of the front panel. • Record the installation date. → Re...