Daikin RXYMQ36PVJU- Manuals

3 English 2-1 Combination The indoor units can be installed in the following range. • Be sure to connect a dedicated indoor unit. See the catalog for indoor unit models which can be connected. • Total capacity/quantity of indoor units 〈 Outdoor unit 〉 〈 Total capacity of indoor units 〉 〈 Total quant...

English 4 4. SELECTING INSTALLATION SITE (1) Select an installation site where the following conditions are satisfied and that meets with your customer’s approval. • Places which are well-ventilated.• Places where the unit does not bother next-door neighbors.• A locations where small animals will no...

5 English 2. Series installation (up to two units) (Refer to figure 8-[4]) Relation of dimensions of H, A, and L are shown in the table below. (in.) Note) 1. Get the lower part of the frame sealed so that air from the outlet does not bypass. 2. Only two units at most can be installed in series. Patt...

English 6 6. FIELD WIRING CAUTION To the electrician • Do not operate until refrigerant piping work is completed. (If operated before complete the piping work, the compressor may be broken down.) • Be sure to install a ground fault circuit interrupter. (This unit uses an inverter, so install the gro...

7 English <Precautions when laying power wiring> • Wiring of different thicknesses cannot be connected to the power ter- minal block. (Slack in the power wiring may cause abnormal heat.) • Use sleeve-insulated round pressure terminals for connections to the power terminal block. When none are ...

English 8 Vacuum pump • Use extreme caution to prevent pump oil from flowing backwards through the system when the pump is stopped. • Use a vacuum pump which can evacuate to –14.6PSI. 7-2 Selecting piping material • Use pipes that have no contaminants adhered to their inner surfaces (such as sulfur,...

9 English • If a torque wrench is not available, there is a place where the tight- ening torque will suddenly increase if a normal wrench is used to tighten the flare nut.From that position, further tighten the flare nut the angle shown below. • After all the piping has been connected, use nitrogen ...

English 10 7-7 Example of connection Example of connection (Connection of 8 indoor units Heat pump system) Branch with refnet joint Branch with refnet joint and refnet header Branch with refnet header ab c d e f g hi j k l m n 12 34 56 7 8 H2 H1 p Outdoor unit REFNET joint (A-G) Indoor units (1-8) H...

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 (“Shutoff valve operation procedure”) for the location of the service port.) [Procedure]Pressurize from the liquid pipes and gas pipes to 550PSI (an...

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 accor- dance with the inst...

13 English • During the operation, monitor the outdoor unit operation status and check for any incorrect wiring. <Precautions During Check Operation> • If operation is performed within 12 minutes of the indoor and outdoor units being turned on, H2P will light up, and the com-pressor will not r...

English 14 [Remote controller displays malfunction code](Check on a remote controller connected to the indoor unit.) • When using a central controller, see the installation manual or ser- vice manual which came with the central controller. [If nothing is displayed on the remote controller] • There m...

15 English B. Where there is a room division but there is an opening between the rooms sufficiently large to permit a free flow of airback and forth. (Where there is an opening without a door or where there are open-ings above and below the door which are each equivalent in size to0.15% or more of t...