Page 2 - Installation of Outdoor Units 1
EDUS39-606A-N Installation of Outdoor Units 1 Installation ofOutdoor Units 1. Center of Gravity..................................................................... 2 2. REFNET Pipe System ........................................................... 3 2.1 Layout Example .................................
Page 3 - Center of Gravity; Installation of Outdoor Units
Center of Gravity EDUS39-606A-N 2 Installation of Outdoor Units 1. Center of Gravity RXYMQ36/48MVJU 4D047387
Page 4 - REFNET Pipe System; Layout Example; Sample systems
EDUS39-606A-N REFNET Pipe System Installation of Outdoor Units 3 2. REFNET Pipe System 2.1 Layout Example Use of the particular branch fitting appropriate to each individual unit type not only permits the pipes to be laid with ease but also increases the reliability of the system as a whole. Type of...
Page 5 - Field Refrigerant Piping; The tips for insulation; Both Gas, Liquid piping must be insulated.; REFNET Joints and Headers; REFNET Joints; For gas and liquid branch pipes
REFNET Pipe System EDUS39-606A-N 4 Installation of Outdoor Units 2.2 Field Refrigerant Piping 1. The following materials should be used for all refrigerant piping. Materials: Deoxidized phosphorous seamless copper pipe or equivalent 2. The tips for insulation Both Gas, Liquid piping must be insu...
Page 6 - REFNET Header
EDUS39-606A-N REFNET Pipe System Installation of Outdoor Units 5 When you are cutting an inlet or outlet pipe with a pipe cutter make sure that you make the cut in the center of the connection area. Branch pipes must be insulated in accordance with the handbook accompanying each kit. 2.3.2 REFNE...
Page 8 - REFNET Pipe
EDUS39-606A-N REFNET Pipe Installation of Outdoor Units 7 3. REFNET Pipe 3.1 REFNET Joint (Branch Kit) KHRP26M22T Gas Side Ins u lation Ins u lation ( u nit:in) Li qu id Side D3K03622C 1/2 4 3/4 5/8 1/2 7/8 3/4 5/8 5/8 1/2 5/8 3/4 3 1-1/2 15 13-1/3 3 3 3/8 3/8 1/4 3/8 1/4 1-1/2 9-7/8 11-1/2 KHRP26M3...
Page 10 - Safety Considerations RXYMQ-M; Improper connections or installation may result in fire.
EDUS39-606A-N Installation Installation of Outdoor Units 9 4. Installation 4.1 Safety Considerations RXYMQ-M Please read these SAFETY CONSIDERATIONS carefully before installing air conditioning equipment, and be sure to install it correctly. After completing installation, make sure the unit operatio...
Page 12 - Introduction; Cooling; Electrical specifications; Optional accessories; tion 6. REFRIGERANT PIPING WORK; Before Installation
EDUS39-606A-N Installation Installation of Outdoor Units 11 If the conventional refrigerant and refrigerator oil are mixed in the R-410A, the refrigerant may deteriorated. • Never perform outdoor unit piping connection work when it is raining. • The PCI Data Station is a class A product. In a domest...
Page 13 - Selection of Installation Location
Installation EDUS39-606A-N 12 Installation of Outdoor Units Setting the unit in place: Slowly set the outdoor unit in place by holding the handles pro-vided on the left and right sides as shown in the following fig-ures. NOTE • Take care so that hands and objects do not touch the fin on the rear. Be...
Page 15 - or more
Installation EDUS39-606A-N 14 Installation of Outdoor Units (2) When two or more outdoor units are installed side by side • When an obstruction is present on the both sides 40 or more 12 or more 8 or more • When an obstruction is present also in the upward area (1) When one outdoor unit is installed...
Page 16 - • Close the area under the frame so that the outlet air does; or more
EDUS39-606A-N Installation Installation of Outdoor Units 15 (1) When one outdoor unit is installed individually L 4 or more H 20 or more L>H (2) When two or more outdoor units are installed side by side 12 or more H L 40 or more L>H • When an obstruction is also present in the upward area(1) W...
Page 18 - CAUTIONS ON INSTALLATION; Washer; • If the unit is operated with the transport fittings attached,; Refrigerant Piping Work; • Installation tools:; Installation is not allowed.
EDUS39-606A-N Installation Installation of Outdoor Units 17 (2) When two or more outdoor units are installed side by side A L 60 or more 24 or more 120 or more H The dimensional relationship between H, L, and A is as shown in the table below. CAUTIONS ON INSTALLATION • Before installation, confirm t...
Page 21 - Installation
Installation EDUS39-606A-N 20 Installation of Outdoor Units 4.6 Example of connection Example of connection (Connection of 5 indoor u nits) Branc h with REFNET joint Branc h with REFNET joint and REFNET header Branc h with REFNET header a b cd ef g h 12 34 5 H2 H1 i O u tdoor u nit REF N ET joint (A...
Page 22 - Airtight test and vacuum drying; Additional refrigerant charge; How to fill a tank with a siphon attached.; SERVICE PRECAUTIONS
Installation EDUS39-606A-N 21 Installation of Outdoor Units 4.7 Airtight test and vacuum drying All units are checked for leaks by the manufacturer. Confirm that the valves are firmly closed before airtight test or vacuum drying.To prevent entry of any impurities and ensure sufficient pres-sure resi...
Page 23 - Electrical Wiring Work; Spanner
EDUS39-606A-N Installation Installation of Outdoor Units 22 1. Open the gas line stop valve (leaving the liquid line stop valve, valve A in the diagram above, close) and perform the operation to add the refrigerant. 2. Once the appropriate amount of refrigerant is in, press the confirmation button (...
Page 24 - Connection example of whole system wiring; Branch switch
Installation EDUS39-606A-N 23 Installation of Outdoor Units CAUTION • Do not operate the air conditioner until the refrigerant pip- ing work is completed. Operating the air conditioner before the refrigerant piping work is completed may damage the compressor. • Install a ground leakage circuit break...
Page 25 - Power supply wiring connection procedure; WARNING; This clamp is unnecessary when not; When using shield wire; CAUTION
EDUS39-606A-N Installation Installation of Outdoor Units 24 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 leakage circuit breaker. • You must install a g...
Page 26 - Transmission wiring connection procedure; • If excessive force is applied while connecting a cable; Use the conductor; Setting the cooling/heating operation; External Control Adaptor for the Outdoor Unit; • Up to 5 branches are available in the wiring between; Branch
Installation EDUS39-606A-N 25 Installation of Outdoor Units Transmission wiring connection procedure • If excessive force is applied while connecting a cable to the terminal block on the PC board, the PC board may be damaged. A B C A B C F 1 F 2 F 1 F 2 A B C F1 F1 F2 F2 F1 F2 F1 F2 F1 F2 F1 F2 F1 F...
Page 27 - Checks after Completion of Work; Power on and check operation; Caution
EDUS39-606A-N Checks after Completion of Work Installation of Outdoor Units 26 5. Checks after Completion of Work After completing the work, make sure to confirm the follow-ing items: 1. Connection of drain piping and removal of transport fittings: Refer to Section 5. CAUTIONS ON INSTALLATION . 2. C...
Page 28 - Checks in normal operation; When a malfunction code is displayed in the remote controller
Checks after Completion of Work EDUS39-606A-N 27 Installation of Outdoor Units • Check Operation Cautions: If the air conditioner is started within about 12 minutes after the power of the indoor/outdoor unit is turned on, the H2P indicator lights and the compressor do not run. • Confirm that the LED...
Page 29 - Checks after Completion of Work; Caution for Refrigerant Leaks; DANGER
EDUS39-606A-N Checks after Completion of Work Installation of Outdoor Units 28 NOTE: • If nothing displays on the remote controller, 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. • After...
Page 30 - Direction of the refrigerant flow; Procedure for checking maximum concentration; Opening between rooms
Checks after Completion of Work EDUS39-606A-N 29 Installation of Outdoor Units Compliance to the local applicable regulations and standards for the maximum allowable concentration level is required. Direction of the refrigerant flow Room where refrigerant leak has occurred (outflow of all the refrig...
Page 31 - Slim Ceiling Mounted Duct Type
EDUS 39 - 600 - F2 AMERICAS FXDQ-M Slim Ceiling Mounted Duct Type 1645 Wallace Drive, Suite 110 Carrollton, TX75006 [email protected] www.daikinac.com EDUS39-606A-N Printed in U.S.A. 05/2007 AMERICAS May 2007
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