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6 Installation

Installer and user reference guide

RXYTQ8~16T7YF
VRV IV system air conditioner
4P388989-1B – 2016.02

Pre-charging refrigerant

Step 1

Calculate additional refrigerant charge amount: R (kg)

Refrigerant overcharge happened, recover

refrigerant to reach R=Q

Step 2

• Open valves C and B to the liquid line
• Execute pre-charging amount: Q (kg)

Step 3a

•  Close valves C and B
•  Charging is finished
•  Fill in the amount on the additional

refrigerant charge label

• Go to test run

Step 3b

Close valves C and B

R=Q

R>Q

R<Q

Continued on next page >>

p< p>

R410A

Charging refrigerant

Step 5

Proceed with manual charge

Step 6

Activate field setting [2-20]=1
Unit will start manual refrigerant charging operation.

Step 7

• Open valve A
• Charge remaining amount of refrigerant P (kg)
R=Q+P

Step 8

•  Close valve A
•  Push BS3 to stop manual charging
•  Charging is finished
•  Fill in the amount on the additional refrigerant charge label
•  Go to test run

Step 4

• Connect valve A to the refrigerant charge port (d)
• Open all outdoor unit stop valves

R>Q

<< Continuation of previous page

p< p>

R410A

Содержание RXYTQ8T7YF

Страница 1: ...Installer and user reference guide VRV IV system air conditioner English Installer and user reference guide VRV IV system air conditioner RXYTQ8T7YF RXYTQ10T7YF RXYTQ12T7YF RXYTQ14T7YF RXYTQ16T7YF...

Страница 2: ...To protect against contamination 19 6 4 9 To braze the pipe end 20 6 4 10 Using the stop valve and service port 20 6 4 11 To remove the pinched pipes 21 6 5 Checking the refrigerant piping 21 6 5 1 Ab...

Страница 3: ...are not air conditioner troubles 68 19 2 1 Symptom The system does not operate 68 19 2 2 Symptom Cool Heat cannot be changed over 68 19 2 3 Symptom Fan operation is possible but cooling and heating do...

Страница 4: ...how to install or operate the 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...

Страница 5: ...e 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 of...

Страница 6: ...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 slack...

Страница 7: ...D FOR AFTER SALE SERVICES REQUESTFORTHEINDICATIONOFINSTALLATIONINFORMATION 1 RECORD OF INDOOR UNIT MODELAND INSTALLATION SITE 2 RECORD FOR SETTINGS CONTENTS SEE INSTALLATION MANUAL SETTING 40 30 10 20...

Страница 8: ...d options you can combine the outdoor units Which outdoor units have to be used as standalone units and which outdoor units can be combined 4 2 Identification label Outdoor unit Location 10 16 HP 8 HP...

Страница 9: ...branching kit Description Model name Refnet header KHRQ22M29H KHRQ22M64H KHRQ22M75H Description Model name Refnet joint KHRQ22M20T KHRQ22M29T9 KHRQ22M64T KHRQ22M75T For the selection of the optimal b...

Страница 10: ...s suitable for installation in a commercial and light industrial environment When installing take strong winds typhoons or earthquakes into account improper installation may result in the unit turning...

Страница 11: ...the maximum concentration of refrigerant is directly related to the humanly occupied space in to which it could leak The unit of measurement of the concentration is kg m3 the weight in kg of the refri...

Страница 12: ...otection against harmful ultraviolet radiation R410A can contribute slightly to the greenhouse effect if it is released Therefore we should take special attention to check the tightness of the install...

Страница 13: ...l thickness t mm 6 4 9 5 12 7 0 80 15 9 0 99 19 1 22 2 0 80 28 6 0 99 34 9 1 21 41 3 1 43 In case the required pipe sizes inch sizes are not available it is also allowed to use other diameters mm size...

Страница 14: ...G p b c d e f 1 2 3 4 5 6 7 8 g H1 H2 Single outdoor Branch with refnet joint Example 1 2 a b c d e f i k j g h A B 1 2 3 4 5 6 7 8 H1 H2 Single outdoor Branch with refnet joint and refnet header Exa...

Страница 15: ...iping length between all indoor to the nearest branch kit is 40 m Example h i j p 40 m b It is necessary to increase the pipe size of the gas and liquid piping if the pipe length between the first and...

Страница 16: ...slation based on the information mentioned in the table below Model Minimum circuit ampacity Recommended fuses RXYTQ8 16 1 A 20 A RXYTQ10 22 0 A 25 A RXYTQ12 24 0 A 32 A RXYTQ14 27 0 A 32 A RXYTQ16 31...

Страница 17: ...mponent box cover make sure that the sealing material on the lower back side of the cover is not caught and bend towards the inside a b c d e a Electrical component box cover b Front side c Power supp...

Страница 18: ...nstallation Only use phosphoric acid deoxidised seamless copper NOTICE After all the piping has been connected make sure there is no gas leak Use nitrogen to perform a gas leak detection 6 4 2 About c...

Страница 19: ...l length of the piping connected to the joint is absolute straight for more than 500 mm Only if a straight field piping of more than 120 mm is connected more than 500 mm of straight section can be ens...

Страница 20: ...sing the stop valve and service port To handle the stop valve Make sure to keep all stop valves open during operation The figure below shows the name of each part required in handling the stop valve T...

Страница 21: ...10A N2 b c e a f g d A B a Pressure reducing valve b Nitrogen c Weighing scales d Refrigerant R410A tank siphon system e Vacuum pump f Liquid line stop valve g Gas line stop valve A Valve A B Valve B...

Страница 22: ...bsolute NOTICE Make sure the pump oil does not flow oppositely into the system while the pump is not working NOTICE Do not purge the air with refrigerants Use a vacuum pump to evacuate the installatio...

Страница 23: ...an withstand a temperature of 70 C for liquid piping and polyethylene foam which can withstand a temperature of 120 C for gas piping Reinforce the insulation on the refrigerant piping according to the...

Страница 24: ...erant charge For factory charge refer to the unit name plate Additional refrigerant to be charged R kg R should be rounded off in units of 0 1 kg R X1 22 2 0 37 X2 19 1 0 26 X3 15 9 0 18 X4 12 7 0 12...

Страница 25: ...l refrigerant charge label Go to test run Step 3b Close valves C and B R Q R Q R Q Continued on next page p p R410A N2 C A B Charging refrigerant Step 5 Proceed with manual charge Step 6 Activate fiel...

Страница 26: ...port and charge the remaining additional refrigerant through this port Open all outdoor unit stop valves At this point valve A must remain closed p p R410A a c d b A a Weighing scales b Refrigerant R4...

Страница 27: ...med in accordance with the wiring diagram supplied with the product NEVER squeeze bundled cables and make sure they do not come in contact with the piping and sharp edges Make sure no external pressur...

Страница 28: ...the field piping Field piping can be routed from front or bottom of the unit going left or right Refer to 6 4 3 To route the refrigerant piping on page 18 Be sure to follow the limits below If the un...

Страница 29: ...2 b c a d e TO IN D UNIT TO OUT D UNIT TO MULTI UNIT A1P a Outdoor unit PCB A1P b Use the conductor of sheathed wire 2 wire no polarity c Terminal board field supply d Indoor unit e Outdoor unit In ca...

Страница 30: ...supply stress relief and the terminal block itself must be as such that the current carrying wires are tautened before the earth wire is in case the power supply is pulled loose from the stress relief...

Страница 31: ...rough a personal computer interface for this option EKPCCAB is required The installer can prepare the configuration off site on PC and afterwards upload the configuration to the system See also 7 2 9...

Страница 32: ...g should be checked at first Access BS1 is used to change the mode you want to access Access Action Mode 1 Push BS1 one time 7 segment display indication changes to Mode 2 Push BS1 for at least 5 seco...

Страница 33: ...he sound generated by the unit compared to nominal operating conditions 1 1 Description 0 Unit is currently not operating under low noise restrictions 1 Unit is currently operating under low noise res...

Страница 34: ...o 1 41 3 43 2 9 Tc target C 6 46 For more information and advice about the impact of these settings see 7 3 Energy saving and optimum operation on page 36 2 12 Enable the low noise function and or pow...

Страница 35: ...80 6 85 7 90 8 95 2 31 Power consumption limitation level step 2 via the external control adaptor DTA104A61 62 If the system needs to be running under power consumption limitation conditions when an...

Страница 36: ...r 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 outdoor ambient temperatures e g 35 C Us...

Страница 37: ...conjunction with setting 2 9 Mild Overshoot during heating operation or undershoot during cooling operation is allowed compared to the requested refrigerant temperature in order to achieve the requir...

Страница 38: ...bliged to verify correct operation Therefore a test run must be performed according to the procedures described below This chapter describes what you have to do and know to commission the system after...

Страница 39: ...ectrical components Pipe size and pipe insulation Be sure that correct pipe sizes are installed and that the insulation work is properly executed Stop valves Be sure that the stop valves are open on b...

Страница 40: ...For operating the indoor unit the user interface of the indoor unit should be switched ON Refer to the indoor unit operation manual for more details 9 Maintenance and service NOTICE Maintenance must...

Страница 41: ...It contains information about Solving problems based on error codes 10 2 Solving problems based on error codes In case of a displayed malfunction code perform correcting actions as explained in the ma...

Страница 42: ...e sensor malfunction R22T short circuit A1P X29A Check connection on PCB or actuator Compressor casing temperature sensor malfunction R8T open circuit A1P X29A Check connection on PCB or actuator Comp...

Страница 43: ...ecuted system operation not possible Execute system test run Faulty wiring to Q1 Q2 or indoor outdoor Check Q1 Q2 wiring Faulty wiring to Q1 Q2 or indoor outdoor Check Q1 Q2 wiring System test run abn...

Страница 44: ...2 Auto address malfunction inconsistency Check if transmission wired unit amount matches with powered unit amount by monitor mode or wait till initialisation is finished Stop valve closed or wrong dur...

Страница 45: ...data 12 1 Overview Technical data This chapter contains information about Dimensions Service space Components Piping diagram Wiring diagram Technical specifications Capacity table 12 2 Dimensions Outd...

Страница 46: ...f 900 mm a 50 mm b 500 mm c 50 mm d 500 mm e 100 mm f 600 mm h1 h2 1500 500 F mm ABCD Sides along the installation site with obstacles F Sides along the installation site with obstacles Suction side...

Страница 47: ...o g l m h e a Compressor M1C b Heat exchanger c Fan d Fan motor M1F e Accumulator f Expansion valve main Y1E g Expansion valve subcool heat exchanger Y2E h Subcool heat exchanger i Oil separator j Sol...

Страница 48: ...ompressor M1C b Heat exchanger c Fan d Fan motor M1F M2F e Accumulator f Expansion valve main Y1E g Expansion valve subcool heat exchanger Y2E h Subcool heat exchanger i Oil separator j Solenoid valve...

Страница 49: ...mpressor M2C c Heat exchanger d Fan e Fan motor M1F M2F f Accumulator g Expansion valve main Y1E h Expansion valve subcool heat exchanger Y2E i Subcool heat exchanger j Oil separator k Solenoid valve...

Страница 50: ...ain terminal block which allows easy connection of field wiring for power supply c Terminal X1M on main PCB terminal block for transmission wiring d Cable tie mountings the cable tie mountings allow t...

Страница 51: ...HPS R8T b d c c d M M1F M M2F R1T a Compressor M1C b Heat exchanger c Fan d Fan motor M1F M2F e Accumulator f Expansion valve main Y1E g Expansion valve subcool heat exchanger Y2E h Subcool heat exch...

Страница 52: ...2 X2A V1R F101U R24 X5A X3A N1 X4A X1A P1 5 5 X2A X1A S2S S1S V W U M1C F1 F2 F2 F1 X28A X31A X22A X30A X32A X42A X18A X4A X20A X2A X29A X21A X23A X3A ON OFF ON OFF SEG1 1234 DS2 BS2 SEG3 SEG2 BS1 12...

Страница 53: ...r current limiting A3P S1NPH Pressure sensor high S1NPL Pressure sensor low S1PH S2PH Pressure switch discharge SEG1 SEG3 7 segment display A1P V1R Power module A3P A4P X1A X2A Connector M1F X3A Conne...

Страница 54: ...of M1C A1P Printed circuit board main A2P Printed circuit board noise filter A3P Printed circuit board inv A4P A5P Printed circuit board fan BS1 BS3 Push button switch A1P mode set return C47 C48 Capa...

Страница 55: ...the optional adapter refer to the installation manual of the optional adapter Note 4 For connection wiring to indoor outdoor transmission F1 F2 Note 5 How to use BS1 BS3 switch Refer to the service p...

Страница 56: ...Cool heatselector Electrical component box Outer shell Note 3 Heat Fan Heat Cool Note 3 Cool Terminal of M1C M2C A1P Printed circuit board main A2P A5P Printed circuit board noise filter A3P A6P Print...

Страница 57: ...the optional adapter refer to the installation manual of the optional adapter Note 4 For connection wiring to indoor outdoor transmission F1 F2 Note 5 How to use BS1 BS3 switch Refer to the service p...

Страница 58: ...7 47 kW 9 68 kW 12 4 kW 14 0 kW Cooling T3 a Capacity 20 2 kW 25 2 kW 28 5 kW 32 0 kW 35 1 kW EER 2 72 2 90 2 85 2 77 2 69 Pi 7 43 kW 8 69 kW 10 0 kW 11 6 kW 13 0 kW Cooling T2 a Capacity 16 8 kW 22...

Страница 59: ...es 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 technical data book Electrical specifications Spe...

Страница 60: ...maximum CR 8 100 200 260 10 125 250 325 12 150 300 390 14 175 350 455 16 200 400 520 18 225 450 585 20 250 500 650 22 275 550 715 24 300 600 780 26 325 650 845 28 350 700 910 30 375 750 975 32 400 800...

Страница 61: ...CAUTION Never touch the internal parts of the controller Do not remove the front panel Some parts inside are dangerous to touch and appliance problems may happen For checking and adjusting the intern...

Страница 62: ...s and the system needs to go into defrost operation to be able to deliver enough heat to the indoor units If Then RXYTQ outdoor unit is installed The indoor unit will stop fan operation the refrigeran...

Страница 63: ...de selector button on the user interface several times and select program dry operation 3 Press the ON OFF button of the user interface Result The operation lamp lights up and the system starts operat...

Страница 64: ...djust the room temperature properly for a comfortable environment Avoid excessive heating or cooling Prevent direct sunlight from entering a room during cooling operation by using curtains or blinds V...

Страница 65: ...ay fall and result in injury NOTICE Do not wipe the controller operation panel with benzine thinner chemical dust cloth etc The panel may get discoloured or the coating peeled off If it is heavily dir...

Страница 66: ...ir from fan heaters gas cookers etc is present Always have qualified service personnel confirm that the point of leakage has been repaired or corrected before resuming operation 18 4 3 Recommended mai...

Страница 67: ...obstacles Remove any obstacle and make it well ventilated Check if the user interface display shows time to clean the air filter Refer to 18 Maintenance and service on page 65 and Maintenance in the i...

Страница 68: ...ON again in case it was turned OFF just before The same starting delay occurs after the operation mode selector button was used If Under Centralized Control is displayed on the user interface pressing...

Страница 69: ...out of the unit When the unit is used for the first time in a long time This is because dust has gotten into the unit 19 2 13 Symptom The units can give off odours The unit can absorb the smell of ro...

Страница 70: ...roduct and that need to be installed according to the instructions in the accompanying documentation Optional equipment Equipment made or approved by Daikin that can be combined with the product accor...

Страница 71: ......

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