Daikin RMXS48LVJU- Manuals

Page 2 - English; CONTENTS; • The following safety symbol is used throughout this manual:; DANGER; • Safely dispose of the packing materials.

1 English CONTENTS 1. SAFETY PRECAUTIONS ........................................................ 1 2. INTRODUCTION...................................................................... 3 2-1. Combination ...................................................................... 32-2. Standard operation...

Page 3 - WARNING; If the gas leaks and builds up around the unit, it may catch fire.

English 2 WARNING • Installation shall be left to the authorized dealer or another trained professional. Improper installation may cause water leakage, electrical shock, fire, or equipment damage. • Install the air conditioner according to the instructions given in this manual. Incomplete installati...

Page 4 - PRECAUTIONS ON REFRIGERANT PIPING; The indoor units can be installed in the following range.; -2 Standard operation limit; Normal operation; -4 Electrical properties; Standard operation limit; Cooling; Remarks

3 English 2. INTRODUCTION 1. This series uses R410A new refrigerant. Be absolutely sure to comply with “ 7. PRECAUTIONS ON REFRIGERANT PIPING ”, because even greater caution is needed to prevent impurities from entering R410A (mineral oils and water). 2. The design pressure is 478 PSI (3.3 MPa), whi...

Page 5 - -5 Standard supplied accessories; BEFORE INSTALLATION

English 4 2-5 Standard supplied accessories Make sure that the accessories shown below are all present. (The accessories can be found behind the front panel.) (Refer to figure 30) 1. Accessories 2. Screw for front panel 3. Front panel 2-6 Option accessory • Refrigerant branching kit * See “ 7. PRECA...

Page 7 - PRECAUTIONS ON INSTALLATION; -1 Wiring connection example for whole system

English 6 5. PRECAUTIONS ON INSTALLATION • Install making sure the unit is level and the foundation is sturdy enough to prevent vibration noise. • In accordance with the foundation drawing in figure 10, fix the unit securely by means of the foundation bolts.(Prepare 4 sets of M12 foundation bolts, n...

Page 8 - -2 How to lay the power supply wiring and trans-; Precautions when knocking out knock holes; -3 How to connect the power supply wiring; CAUTION; Good

7 English 6-2 How to lay the power supply wiring and trans- mission wiring Let the power supply wiring and transmission wiring with a conduit pass through one of the knockout holes on the front or side cover, and let the transmission wiring with a conduit pass through another knockout hole. • For pr...

Page 10 - Note; -6 Heat insulation of piping

9 English • When connecting the pipings downward, remove the knock-out by making 4 holes in the middle on the each side of the knockout with a drill. (Refer to figure 22) 1. Dril 2. Center area around knockout hole 3. Knockout hole 4. Slit • After knocking out the knock-out, it is recommended to app...

Page 11 - -7 Example of connection; Example of connection; indoor unit

English 10 7-7 Example of connection Example of connection (Connection of 7 units heat pump system) Branch with refnet joint Maxim um allo w ab le length Allo w ab le length after the br anch ∗ 2 Br anch kit are recommanded to set as possib le as near the BP units . c, d, e are recommanded to be as ...

Page 12 - -8 Air tight test and vacuum drying; Servicing port

11 English 7-8 Air tight test and vacuum drying After doing the piping, perform the following inspections. Be sure to use nitrogen gas. (See the figure (“Stop valve operation procedure”) for the location of the service port.) [Procedure]Pressurize from the liquid pipes and gas pipes to 478 PSI (3.3 ...

Page 13 - ADDITIONAL REFRIGERANT CHARGE; -1 Before adding refrigerant; Location of “Cautions on Service” plate.; The back of front panel

English 12 8. ADDITIONAL REFRIGERANT CHARGE WARNING • When leaving the unit with the power on, be sure to switch with another person doing the installation or close the front panel. 8-1 Before adding refrigerant • Make sure the following work and inspection is complete, in accordance with the instal...

Page 14 - 0-1 Power On–Check Operation; after the check operation if

13 English 10. TEST RUN This unit is equipped with a crank case heater to ensure smooth startup. Be sure to turn the power on at least 6 hours before operation in order to have power running to the crank case heater. WARNING When leaving the unit with the power on, be sure to switch with another per...

Page 15 - CAUTION FOR REFRIGERANT LEAKS; Direction of the refrigerant flow

English 14 • When using a central controller, see the installation manual or service manual which came with the central controller. CAUTION To the pipe-layer, To the electrician After the test run, when handing the unit over to the customer, make sure the front panel on the unit and all screws are a...

Page 17 - figure 8

[1] [2] Z Z 40 (1,000) or more 12 (300) or more 4 (100) 4 (100) figure 8 figure 9 12 figure 16 7 1 4 3 4 2 2 5 6 L 2 L 1 17 8 1314 16 9 17 15 12 10 11 1 [1] [2] 40 (1,000) or more 80 (2,000) or more 8 (200) or more 24 (600) or more 4 (100) or more 60 (1,500) or more 120 (3,000) or more H A L unit : ...