Daikin VRV IV-S Installer And User Manual Download Page 51

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13 Technical data

Installer and user reference guide

RXYSQ8~12TMY1B
VRV IV-S system air conditioner
4P404225-1B – 2016.03

A1P

X1M (A1P)

Y1S
X1M
i

d
e

Y1E
f

Y2E

S1PH

M1C

M2F

M1F

Y2S

Heat exchanger

Subcool heat exchanger

Switch box

Oil separator

Service port (high pressure)

Service port (refrigerant charge)

Stop valve (liquid)

Stop valve (gas)

Cable tie mountings (to fix the field wiring with cable ties to
ensure stress relief)

Switch box cooling

Accumulator

Fan

A1P

Printed circuit board (main)

M1C

Motor (compressor)

M1F-M2F

Motor (upper and lower fan)

S1PH

High pressure switch

X1M

Terminal strip (power supply wiring)

X1M (A1P)

Terminal strip (transmission wiring)

Y1E

Electronic expansion valve (main)

Y2E

Electronic expansion valve (subcool heat exchanger)

Y1S

Solenoid valve (4‑way valve)

Y2S

Solenoid valve (oil)

Summary of Contents for VRV IV-S

Page 1: ...Installer and user reference guide VRV IV S system air conditioner English Installer and user reference guide VRV IV S system air conditioner RXYSQ8TMY1B RXYSQ10TMY1B RXYSQ12TMY1B...

Page 2: ...Using the stop valve and service port 18 6 4 6 To remove the pinched pipes 19 6 4 7 To connect the refrigerant piping to the outdoor unit 20 6 4 8 To connect the refrigerant branching kit 21 6 5 Chec...

Page 3: ...2 1 Symptom The system does not operate 67 20 2 2 Symptom Fan operation is possible but cooling and heating do not work 67 20 2 3 Symptom The fan strength does not correspond to the setting 68 20 2 4...

Page 4: ...e unit contact your dealer NOTICE Improper installation or attachment of equipment or accessories could result in electric shock short circuit leaks fire or other damage to the equipment Only use acce...

Page 5: ...ere is no oxygen in the system Refrigerant may only be charged after performing the leak test and the vacuum drying In case re charge is required refer to the nameplate of the unit It states the type...

Page 6: ...y electric noise to avoid unnecessary opening of the earth leakage protector NOTICE Precautions when laying power wiring Do not connect wiring of different thicknesses to the power terminal block slac...

Page 7: ...ion about Unpacking and handling the units Removing the accessories from the units Removing the transportation stay Keep the following in mind At delivery the unit must be checked for damage Any damag...

Page 8: ...12 HP 25 4 mm g Cable tie 3 2 4 To remove the transportation stay Only for RXYSQ10 12 NOTICE If the unit is operated with the transportation stay attached abnormal vibration or noise may be generated...

Page 9: ...nd is depending on both outdoor unit model and indoor unit model combinations VRV direct expansion DX indoor units air to air applications SA RA Sky Air Residential Air direct expansion DX indoor unit...

Page 10: ...location where the hot cold air discharged from the unit or the operation noise will NOT disturb anyone Heat exchanger fins are sharp and injury is possible Choose an installation location where ther...

Page 11: ...nd or to contact your dealer for further advice 5 2 3 Securing safety against refrigerant leaks About safety against refrigerant leaks The installer and system specialist shall secure safety against l...

Page 12: ...ation exceeds the maximum concentration level a ventilation opening to the adjacent room shall be made Formula F G H F Total volume of refrigerant in the refrigerant system G Size m3 of smallest room...

Page 13: ...between outdoor unit and first refrigerant branch kit When the equivalent pipe length between outdoor and indoor units is 90 m or more the size of the main pipes both gas side and liquid side must be...

Page 14: ...290 290 x 390 KHRQ22M64H INFORMATION Maximum 8 branches can be connected to a header 5 3 5 Refrigerant piping length and height difference The piping lengths and height differences must comply with t...

Page 15: ...net joint Refnet header BP box 1 8 VRV DX indoor units 11 18 RA DX indoor units 5 4 Preparing electrical wiring 5 4 1 About electrical compliance This equipment complies with EN IEC 61000 3 12 provide...

Page 16: ...the indoor unit 6 2 Opening the units 6 2 1 About opening the units At certain times you have to open the unit Example When connecting the refrigerant piping When connecting the electrical wiring Whe...

Page 17: ...t does not become slippery in case of ambient freezing temperatures If you install the unit on a frame install a waterproof plate within 150 mm of the bottom side of the unit in order to prevent the i...

Page 18: ...h the pipe 1 month Pinch or tape the pipe Indoor unit Regardless of the period INFORMATION Do NOT open the refrigerant stop valve before checking the refrigerant piping When you need to charge additio...

Page 19: ...amage it After handling the stop valve make sure to tighten the stop valve cover securely For the tightening torque refer to the table below Check for refrigerant leaks after tightening the stop valve...

Page 20: ...e sure that the field installed piping does not touch other pipes the bottom panel or side panel Especially for the bottom and side connection be sure to protect the piping with suitable insulation to...

Page 21: ...int mounted horizontally 6 5 Checking the refrigerant piping 6 5 1 About checking the refrigerant piping Refrigerant piping works are finished The indoor units and or outdoor unit were already powered...

Page 22: ...stallation manual for more details Leak test and vacuum drying should be done before the power supply is set to the unit If not see also the flow chart earlier described in this chapter see 6 5 1 Abou...

Page 23: ...ermining how much you have to charge additionally 2 Charging additional refrigerant pre charging and or charging 3 Filling in the fluorinated greenhouse gases label and fixing it to the inside of the...

Page 24: ...frigerant R410A tank siphon system e Vacuum pump f Liquid line stop valve g Gas line stop valve A Valve A B Valve B C Valve C 2 Open valves C and B 3 Pre charge refrigerant until the determined additi...

Page 25: ...ated greenhouse gases 2 1 1 1 2 2 kg tCO2 eq GWP kg 1000 kg kg GWP XXX RXXX a f c d e a If a multilingual fluorinated greenhouse gases label is delivered with the unit see accessories peel off the app...

Page 26: ...copper wires Make sure the field wiring complies with the applicable legislation All field wiring must be performed in accordance with the wiring diagram supplied with the product NEVER squeeze bundl...

Page 27: ...nd fasten the terminal with the appropriate tool b a a Stranded conductor wire b Round crimp style terminal Use the following methods for installing wires Wire type Installation method Single core wir...

Page 28: ...b a b 2 3 1 In case of RXYSQ10 12 a b a Power supply cable b Transmission wiring cable Connecting to the frame When cables are routed from the unit a protection sleeve for the conduits PG insertions c...

Page 29: ...n off site on PC and afterwards upload the configuration to the system See also 7 2 9 To connect the PC configurator to the outdoor unit on page 36 Mode 1 and 2 Mode Description Mode 1 monitoring sett...

Page 30: ...de 2 Initialisation default situation NOTICE Be sure to turn on the power 6 hours before operation in order to have power running to the crankcase heater and to protect the compressor Turn on the powe...

Page 31: ...Mode 2 in case of RXYSQ8 You can change the value of setting 2 8 Te target temperature during cooling operation to 4 8 C as follows Action Button display 1 Start from the default situation 2 Select mo...

Page 32: ...its F1 F2 communication line Setting Value Description 1 14 Shows the latest malfunction code When the latest malfunction codes were reset by accident on an indoor unit user interface they can be chec...

Page 33: ...40 Shows the current cooling comfort setting For more information see setting 2 81 1 41 Shows the current heating comfort setting For more information see setting 2 82 7 2 8 Mode 2 Field settings In...

Page 34: ...refrigerant circuit so the reclaim of refrigerant or vacuuming process can be done properly 0 default binary 1 default Deactivated 1 binary 2 Activated To stop the refrigerant recovery vacuuming mode...

Page 35: ...e power consumption limitation operation no external control adaptor is required to perform power consumption limitation If the system always needs to be running under power consumption limitation con...

Page 36: ...which is also related to the outdoor ambient conditions E g when your system is operating in cooling you do not need as much cooling under low outdoor ambient temperatures e g 25 C as under high outd...

Page 37: ...d to go up to 46 C on temporary base depending on the situation When the request from the indoor units becomes more moderate the system will eventually go to the steady state condition which is define...

Page 38: ...porating temperature Quick Powerful Mild Room temperature evolution A B C D E F A Indoor unit set temperature B Operation start C Operating time D Mild E Quick F Powerful 7 3 4 Example Automatic mode...

Page 39: ...abnormal noises and vibrations when starting up the unit Field wiring Be sure that the field wiring has been carried out according to the instructions described in the chapter 6 8 Connecting the elect...

Page 40: ...ay on the user interface of indoor units Steps during the automatic system test run procedure Step Description Control before start up pressure equalisation Cooling start up control Cooling stable con...

Page 41: ...case of problems Show the user what to do in relation to maintaining the unit 10 Maintenance and service NOTICE Maintenance must be done by an authorised installer or service agent We recommend to do...

Page 42: ...ted 2 Evacuate the system with a vacuum pump 3 Press BS1 in case of RXYSQ8 or BS3 in case of RXYSQ10 12 to stop vacuuming mode 10 4 2 To recover refrigerant This should be done by a refrigerant reclai...

Page 43: ...circuit A1P X29A Check connection on PCB or actuator Suction temperature sensor malfunction R2T A1P X30A R7T A1P X30A Check connection on PCB or actuator Liquid temperature sensor after subcool HE mal...

Page 44: ...ck connection on PCB or actuator Discharge temperature too high R21T Stop valve closed Refrigerant shortage Open stop valves Check refrigerant amount recharge unit Compressor casing temperature too hi...

Page 45: ...ck Q1 Q2 wiring System test run abnormal ending Execute test run again Warning faulty wiring to Q1 Q2 Check Q1 Q2 wiring Malfunction code faulty wiring to Q1 Q2 Check Q1 Q2 wiring Too many indoor unit...

Page 46: ...it RXYSQ8 dimensions in mm 191 142 67 95 940 223 30 16 55 350 160 95 61 55 145 160 30 68 89 84 68 19 48 44 53 90 13 67 80 54 395 47 52 1430 54 95 60 320 89 620 151 19 16 96 30 345 355 h h h 3D068441G...

Page 47: ...98 80 19 95 53 626 633 89 3D083088A f f g a b d h f c e i j a Gas pipe connection brazing 10 HP 22 2 12 HP 25 4 b Liquid pipe connection brazing 10 HP 9 5 12 HP 12 7 c Service port high pressure in th...

Page 48: ...000 500 B D 100 1000 B D E HB HD HB HU 250 1000 1000 500 HU HB HU 250 1250 1000 500 HB HU HB HD HD HU 100 1000 1000 500 HU HD HU 200 1000 1000 500 HD HU 200 1700 1000 500 HU a b 100 100 c d e eB eD A...

Page 49: ...2 A1 If there is danger of drainage dripping and freezing between the upper and lower units A2 Then install a roof between the upper and lower units Install the upper unit high enough above the lower...

Page 50: ...efrigerant charge f Stop valve gas g Stop valve liquid h Cable tie mountings to fix the field wiring with cable ties to ensure stress relief i Subcool heat exchanger j Accumulator k Fan A1P Printed ci...

Page 51: ...t refrigerant charge g Stop valve liquid h Stop valve gas i Cable tie mountings to fix the field wiring with cable ties to ensure stress relief j Switch box cooling k Accumulator l Fan A1P Printed cir...

Page 52: ...alve g Heat exchanger h Service port high pressure i Oil separator j Capillary tube 2 k Service port refrigerant charge M1C Compressor M1F M2F Fan motor R1T Thermistor air R2T Thermistor suction 1 R3T...

Page 53: ...ressure i Check valve j Oil separator k Capillary tube 2 l Accumulator m Service port refrigerant charge M1C Compressor M1F M2F Fan motor R1T Thermistor air R21T Thermistor discharge R3T Thermistor su...

Page 54: ...GRN YLW BLK BLU WHT RED GRN 2D094434 1 t t t t t t t F1 F2 3 MS 3 MS 3 WHT RED WHT RED WHT RED TO MULTI UNIT TO OUT D TO IN D INDOOR OUTDOOR Note 5 TERMINAL OF M1C LAYOUTOF M1F M2F M1C L1R EL COMPO BO...

Page 55: ...r R2 R3 Resistor R24 Resistor current sensor A4P A5P R95 Resistor current limiting R1T Thermistor air R2T Thermistor suction 1 R3T Thermistor discharge R4T Thermistor heat exchanger de icer R5T Thermi...

Page 56: ...HT RED WHT RED WHT RED X4A WHT L2B BLK R8T t t t t t t MS 3 3D094435 1 MS 3 MS 3 TO OUT D TO IN D TERMINAL OF M1C DETAIL OF El COMPO BOX LAYOUT OF M1F M2F M1C X1M EL COMPO BOX OUTER SHELL EL COMPO BOX...

Page 57: ...rmistor suction R4T Thermistor heat exchanger liquid pipe R5T Thermistor liquid pipe R6T Thermistor subcool heat exchanger R7T Thermistor heat exchanger de icer R8T Thermistor M1C body R1 Resistor cur...

Page 58: ...Cooling T3 a Capacity 17 0 kW 20 0 kW 24 0 kW EER 2 93 2 85 2 79 Power input 5 80 kW 7 02 kW 8 60 kW Cooling T2 a Capacity 15 0 kW 17 0 kW 20 0 kW EER 2 81 2 50 2 51 Power input 5 34 kW 6 80 kW 7 97 k...

Page 59: ...level is an absolute value that a sound generates g Sound pressure level is a relative value depending on the distance and acoustic environment For more details refer to sound level drawings in the te...

Page 60: ...o be within the specified range The connection ratio CR 50 CR 130 HP class of outdoor unit 50 minimum CR VRV DX 80 minimum CR RA DX 100 nominal CR 130 maximum CR 8 100 160 200 260 10 125 200 250 325 1...

Page 61: ...d to connect Residential Air RA or Sky Air SA direct expansion DX indoor units f Residential Air RA direct expansion DX indoor units g User interface wireless dedicated depending on indoor unit type 1...

Page 62: ...ration the refrigerant cycle will reverse and energy from inside the building will be used to defrost the outdoor unit coil The indoor unit will indicate defrost operation on the displays Hot start In...

Page 63: ...interfaces as the master user interface The displays of slave user interfaces show change over under centralised control and slave user interfaces automatically follow the operation mode directed by t...

Page 64: ...ration methods Basic The refrigerant temperature is fixed independent from the situation It corresponds to the standard operation which is known and can be expected from under previous VRV systems Aut...

Page 65: ...se the air conditioner until a service person confirms that the portion where the refrigerant leaks is repaired 19 4 After sales service and warranty 19 4 1 Warranty period This product includes a war...

Page 66: ...ooting If one of the following malfunctions occur take the measures shown below and contact your dealer WARNING Stop operation and shut off the power if anything unusual occurs burning smells etc Leav...

Page 67: ...lfunction outdoor De icing temperature sensor malfunction outdoor Liquid temperature sensor after subcool HE malfunction outdoor Liquid temperature sensor coil malfunction outdoor Main code Contents G...

Page 68: ...en the system is in cooling operation or at a stop When the drain pump optional accessories is in operation this noise is heard A pishi pishi squeaking sound is heard when the system stops after heati...

Page 69: ...t and applicable for a certain product or domain Service company Qualified company which can perform or coordinate the required service to the product Installation manual Instruction manual specified...

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