Daikin VRV III RXYQ-PY1K, Installation Manual

Page 1: ...INSTALLATION MANUAL RXYQ8P7Y1K RXYQ10P7Y1K RXYQ12P7Y1K RXYQ8P7YLK RXYQ10P7YLK RXYQ12P7YLK System air conditioner...

Page 2: ...XYQ16 32 2 1 h1 h2 a 10 mm b 300 mm c 10 mm d 500 mm a 50 mm b 100 mm c 50 mm d 500 mm a 200 mm b 300 mm a 10 mm b 300 mm c 10 mm d 500 mm e 20 mm a 50 mm b 100 mm c 50 mm d 500 mm e 100 mm a 200 mm b...

Page 3: ...OUT D UNIT TO MULTI UNIT A1P 3 A B C F1 F2 F1 F2 Q1 Q2 Q1 Q2 A1P 4 4 5 6 2 1 3 Q1 Q2 7 5 3 4 1 6 6 2 2 TO IN D UNIT F1 F2 DS1 1 2 3 4 OFF ON O U T I N F1 F2 P1 P2 P1 P2 1 A B C A B C 1 DS1 1 2 3 4 OF...

Page 4: ...for their installation 1 1 Combination The indoor units can be installed in the following range Always use appropriate indoor units compatible with R410A To learn which models of indoor units are com...

Page 5: ...5 35 RXYQ24 RXYQ12 RXYQ12 300 780 39 RXYQ26 RXYQ8 RXYQ8 RXYQ10 325 845 42 RXYQ28 RXYQ8 RXYQ10 RXYQ10 350 910 45 RXYQ30 RXYQ8 RXYQ10 RXYQ12 375 975 48 RXYQ32 RXYQ10 RXYQ10 RXYQ12 400 1040 52 RXYQ34 RXY...

Page 6: ...easures in order to prevent that the outdoor unit be used as a shelter by small animals Small animals making contact with electrical parts can cause malfunctions smoke or fire Please instruct the cust...

Page 7: ...G 1 Packaging material 2 Opening large 3 Belt sling 4 Opening small 40x45 5 Protector NOTE Use a belt sling of 20 mm wide that adequately bears the weight of the unit NOTE Use filler cloth on the fork...

Page 8: ...size is not available stick to the original pipe diameter which may result in a small capacity decrease 6 3 Pipe connection Be sure to perform a nitrogen blow when brazing and to read the paragraph C...

Page 9: ...on into the piping side Pattern 1 Pattern 2 Prohibited patterns change to pattern 1 or 2 1 Pinched piping 2 Stop valve 3 Service port 4 Point of melting the brazing metal Precautions when connecting f...

Page 10: ...e than 500 mm of straight section can be ensured Improper installation may lead to malfunction of the outdoor unit 6 Piping length restrictions Make sure to perform the piping installation within the...

Page 11: ...be used with R410A How to select the refnet joint When using refnet joints at the first branch counted from the outdoor unit side Choose from the following table in accordance with the capacity of the...

Page 12: ...es must be doubled except main pipe and the pipes that not increase the pipe size a b 2 c 2 d 2 e 2 f 2 g 2 h i j k l m n p 1000 m Indoor unit to the nearest branch kit 40 m h i j p 40 m The differenc...

Page 13: ...side stop valve Gas side stop valve Performing the airtightness test and vacuum drying Valve A must always be shut Otherwise the refrigerant in the unit will pour out Close Open Open Close Close NOTE...

Page 14: ...stor current limiting S1NPH Pressure sensor high S1NPL Pressure sensor low S1PH S2PH Pressure switch high T1A Current sensor A6P A7P SD1 Safety devices input V1R Power module A3P A4P A8P V2R Diode bri...

Page 15: ...prevent malfunctioning of the earth leakage breaker itself Earth leakage breakers that are especially designed for protecting ground faults must be used in conjunction with main switch and fuse for us...

Page 16: ...akage breaker 4 Outdoor unit 5 Indoor unit 6 Remote controller Power supply wiring sheathed cable outdoor 3 phase 380 415 V indoor 1 phase 230 V Transmission wiring sheathed cable 16 V 1 Electric wiri...

Page 17: ...16 branches are possible for unit to unit cabling No branching is allowed after branching See figure 16 Never connect the power supply to transmission wiring terminal block Otherwise the entire system...

Page 18: ...ying power wiring Do not connect wiring of different thicknesses to the power terminal block Slack in the power wiring may cause abnormal heat When connecting wiring which is the same thickness do as...

Page 19: ...ansmission wiring between outdoor and indoor unit outdoor and COOL HEAT selector etc 11 CHARGING REFRIGERANT The outdoor unit is factory charged but depending on the length of the piping when installe...

Page 20: ...d line stop valve 9 5 a a The model RXYQ12 supports field piping of 12 7 on the accessory pipe supplied with the unit Gas line stop valve 19 1 25 4 b b The model RXYQ10 supports field piping of 22 2 o...

Page 21: ...r the power is on via the service lid which is in the lid of the electric box Operate switches with an insulated stick such as a ball point pen to avoid touching the life parts Make sure to re attach...

Page 22: ...tton once if the LEDs combination is not as in the figure below 3 Press the button once 4 Hold the button down for 5 seconds or more 5 Charging mode judgement For automatic charging the charging must...

Page 23: ...d check the LEDs and check if the P9 code is displayed on the remote controller When the charging amount is little the PE code may not be displayed but instead the P9 code will be displayed immediatel...

Page 24: ...mode is not possible in some cases The unit will automatically select the cooling mode or heating mode for charging Continue with the manually charging in cooling mode OR in heating mode Charging in...

Page 25: ...e controller malfunction code display on page 22 H1P H2P H3P H4P H5P H6P H7P w c c w w w w BS4 TEST BS4 TEST BS1 MODE LED display Default status before delivery Micro computer operation monitor Mode R...

Page 26: ...form the overcharge judgement procedure again When there is no more overcharging of refrigerant detected restart the automatic refrigerant charging from 1 Start of automatic charging refrigerant as ex...

Page 27: ...uch as a ball point pen to avoid touching live parts Make sure to re attach the inspection cover 1 into the switch box cover 2 after the job is finished WARNING ELECTRIC SHOCK Caution when performing...

Page 28: ...selection on page 13 not installed factory setting 2 4 NOT USED DO NOT CHANGE THE FACTORY SETTING What to set with dip switch DS2 1 4 NOT USED DO NOT CHANGE THE FACTORY SETTING What to set with dip s...

Page 29: ...he external control adapter F power consumption limitation setting via the external control adapter G enabling function of the low noise operation level setting and or power consumption limitation set...

Page 30: ...pleted Normal operation will be possible after 5 minutes If a malfunction code is displayed on the remote controller correct the malfunction and perform the check operation again as decribed in Correc...

Page 31: ...tion will be prohibited 2 Cut off the power supply to the indoor units and the outdoor unit with the circuit breaker After the power supply to one side is cut off cut off the power supply to the other...

Page 32: ...such as the following calculate the volume of A B as a single room or as the smallest room 3 Calculating the refrigerant density using the results of the calculations in steps 1 and 2 above If the re...

Page 33: ...5 1 7 10 3 2 9 6 6 6 6 7 4 11 8 6 6 6 6 6 6 7 7 9 8 4 11 6 6 1 10 3 2 6 6 6 6 28 13 6 9 8 1 2 4 3 5 14 15 16 12 11 10 10 7 29 13 14 3 5 4 2 1 7 8 9 6 10 10 11 10 2 2 12 9 9 30 13 14 3 5 4 2 1 7 8 9 6...

Page 34: ...4PW41760 1 Copyright Daikin...