RYYQ+RYMQ+RXYQ8~20T7Y1BVRV IV System Air Conditioner4P329765-1 – 2012.09Installation and operation manual42 Outdoor unit multi connection piping kit.3 In order to control the cooling or heating operation from a centrallocation, the following option can be connected:- Cool/heat change over switch: KRC19-26A.- Cool/heat change over PCB: BRP2A81- With optional fixing box for the switch: KJB111A.4 To read out continuously the system pressure, the followingoption can be installed:- Digital pressure gauge kit: BHGP26A15 To instruct specific operation with an external input coming froma central control the external control adaptor (DTA104A61/62)can be used. Instructions (group or individual) can be instructedfor low noise operation and power consumption limitationoperation6 For VRV IV heat pump system it is also possible to make severalcommissioning field settings through a personal computerinterface. For this option EKPCCAB1 is required which is adedicated cable to communicate with the outdoor unit. Thesoftware for the user interface program can be downloaded fromthe Daikin extranet.3.3. Indoor capacity rangeTotal capacity of indoor units needs to be within the specified range.The connection ratio (CR): 50%≤CR≤130%.3.4. Scope of the manualThis manual describes the procedures for handling, installing andconnecting the VRV IV heat pump outdoor units. This manual hasbeen prepared to ensure adequate maintenance of the unit, and it willprovide help in case problems occur.3.5. Model identificationModel name: R(Y/X)(Y/M) Q4. Accessories4.1. Accessories supplied with this unitSee location 1 in the figure below for reference to where followingaccessories are supplied with the unit.See location 1 in the figure above for reference to where followingaccessories are supplied with the unit.Number of outdoor units connected2 3BHFQ22P1007 BHFQ22P1517INFORMATIONRefer to the technical engineering data for the latest optionnames.HP class ofoutdoor unit50%minimum CR100%nominal CR130%maximum CR8 100 200 26010 125 250 32512 150 300 39014 175 350 45516 200 400 52018 225 450 58520 250 500 65022 275 550 71524 300 600 78026 325 650 84528 350 700 91030 375 750 97532 400 800 104034 425 850 110536 450 900 117038 475 950 123540 500 1000 130042 525 1050 136544 550 1100 143046 575 1150 149548 600 1200 156050 625 1250 162552 650 1300 169054 675 1350 1755NOTICEWhen selecting the total capacity higher than mentioned inabove table, cooling and heating capacity will drop. Foradditional information see technical engineering data.INFORMATIONThe installation of the indoor unit(s) is described in theindoor unit installation manual provided with the indoorunits.CodeDescriptionR Y Y Q 18 T7 Y1 B (a)(a) For RXYQ, there is no restriction on use as multi module.R Outdoor air cooledY Y=Heat pump (continuous heating)X=Heat pump (no continuous heating)Y Y=Pair onlyM=Multi onlyQ Refrigerant R410A18 Capacity indexT7 VRV IV seriesY1 Power supply: 3N~, 380-415 V, 50 HzB European MarketItem QuantityInstallation manual and operation manual 1Additional refrigerant charge label 1Installation information sticker 1Fluorinated greenhouse gases label 1Multilingual fluorinated greenhouse gases label 1Piping accessory bag 111R(X/Y)(Y/M)Q14~20R(X/Y)(Y/M)Q8~12