Daikin RXYSCQ4TMV1B User Manual Download

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Installer and user reference guide

VRV IV-S system air conditioner

English

Installer and user

reference guide

VRV IV-S system air conditioner

RXYSCQ4TMV1B
RXYSCQ5TMV1B

Summary of Contents for RXYSCQ4TMV1B

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 RXYSCQ4TMV1B RXYSCQ5TMV1B...

Page 2: ...e pipe end 17 6 4 6 To braze the pipe end 17 6 4 7 Using the stop valve and service port 17 6 4 8 To connect the refrigerant piping to the outdoor unit 18 6 4 9 To connect the refrigerant branching ki...

Page 3: ...Symptom The system does not operate 55 20 2 2 Symptom Fan operation is possible but cooling and heating do not work 56 20 2 3 Symptom The fan strength does not correspond to the setting 56 20 2 4 Sym...

Page 4: ...tall 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 the equip...

Page 5: ...re 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 o...

Page 6: ...ake sure it is compatible with the inverter resistant to high frequency electric noise to avoid unnecessary opening of the earth leakage protector Install power cables at least 1 metre away from telev...

Page 7: ...to be brought in 3 2 Outdoor unit 3 2 1 To unpack the outdoor unit 1 2 3 2 2 To handle the outdoor unit Carry the unit slowly as shown CAUTION To avoid injury do NOT touch the air inlet or aluminum fi...

Page 8: ...oor units and is intended for R410A use only For an overview which units are available you can consult the product catalogue for VRV IV S An overview is given indicating the allowed combinations of in...

Page 9: ...o guarantee that interference will not occur in a particular installation It is therefore recommended to install the equipment and electric wires keeping proper distances away from stereo equipment pe...

Page 10: ...n cold climates Protect the outdoor unit against direct snowfall and take care that the outdoor unit is NEVER snowed up a b c c d a Snow cover or shed b Pedestal minimum height 150 mm c Prevailing win...

Page 11: ...s installed In a case such as the following calculate the volume of A B as a single room or as the smallest room A Where there are no smaller room divisions B Where there is a room division but there...

Page 12: ...r the change over from inch to mm pipes field supply The additional refrigerant calculation has to be adjusted as mentioned in 6 7 3 To determine the additional refrigerant amount on page 21 A Piping...

Page 13: ...erence The piping lengths and height differences must comply with the following requirements Two patterns will be discussed Outdoor with 100 VRV DX indoor units Outdoor with 100 RA DX indoor units Req...

Page 14: ...tems with input current 16 A and 75 A per phase 5 4 2 Safety device requirements The power supply must be protected with the required safety devices i e a main switch a slow blow fuse on each phase an...

Page 15: ...e outdoor unit 3 Providing drainage 4 Preventing the outdoor unit from falling over 5 Protecting the unit against snow and wind by installing a snow cover and baffle plates See Preparing installation...

Page 16: ...nvolves Connecting the refrigerant piping to the outdoor unit Connecting refrigerant branch kits Connecting the refrigerant piping to the indoor units see the installation manual of the indoor units I...

Page 17: ...re the pipe Set exactly at the position as shown in the following illustration A Conventional flare tool Flare tool for R410A clutch type Clutch type Ridgid type Wing nut type Imperial type A 0 0 5 mm...

Page 18: ...handle the service port Always use a charge hose equipped with a valve depressor pin since the service port is a Schrader type valve After handling the service port make sure to tighten the service po...

Page 19: ...ered on the expansion valves will initialise This means that they will close Leak test and vacuum drying of field piping and indoor units is impossible when this happens Therefore there will be explai...

Page 20: ...t for leaks by applying a bubble test solution to all piping connections 3 Discharge all nitrogen gas NOTICE Make sure to use a recommended bubble test solution from your wholesaler Do not use soap wa...

Page 21: ...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 NOTICE If operation is performed within 12 minutes after the in...

Page 22: ...erant charge mode instructions Charging refrigerant in manual additional refrigerant charge mode The remaining additional refrigerant charge can be charged by operating the outdoor unit by means of th...

Page 23: ...a Field power supply with earth leakage protector b Main switch c Earth connection d Outdoor unit e Indoor unit f User interface g Power supply wiring sheathed cable 230 V h Transmission wiring sheat...

Page 24: ...After finishing the electrical work confirm that each electrical component and terminal inside the electrical components box is connected securely Make sure all covers are closed before starting up t...

Page 25: ...ring on the outdoor unit NOTICE Follow the wiring diagram delivered with the unit located at the inside of the service cover Make sure the electrical wiring does NOT obstruct proper reattachment of th...

Page 26: ...htening torque does NOT exceed 4 1 N m 5 7 Configuration 7 1 Overview Configuration This chapter describes what you have to do and know to configure the system after it is installed It contains inform...

Page 27: ...indoor unit is installed 7 LEDs display The display gives feedback about the field settings which are defined as Mode Setting Value H1P Shows the mode H2P H7P Shows the settings and values represented...

Page 28: ...mode 2 BS1 5 s 3 Select setting 8 X depends on the setting that you want to select BS2 X binary 8 Action Button display 4 Select value 4 8 C a Display the current value b Change to 4 X depends on the...

Page 29: ...rface they can be checked again through this monitoring settings For the content or reason behind the malfunction code see 11 3 Solving problems based on error codes on page 36 where most relevant mal...

Page 30: ...e level of operation Depending on the chosen level the noise level will be lowered The start and stop moments for this function are defined under setting 2 26 and 2 27 default Deactivated Level 1 Leve...

Page 31: ...ral patterns are available and explained below Modify the parameters to the needs of your building and to realize the best balance between energy consumption and comfort No matter which control is sel...

Page 32: ...sed in conjunction with setting 2 9 Quick Overshoot during heating operation or undershoot during cooling operation is allowed compared to the requested refrigerant temperature in order to achieve the...

Page 33: ...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 34: ...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 35: ...trol Cooling stable condition Communication check Stop valve check Pipe length check Pump down operation Unit stop INFORMATION During the test operation it is not possible to stop the unit operation f...

Page 36: ...essure leading to worse performance 10 4 About service mode operation Refrigerant recovery operation vacuuming operation is possible by applying setting 2 21 Refer to 7 2 Making field settings on page...

Page 37: ...nction R2T open circuit short circuit A1P X12A Check connection on PCB or actuator Suction temperature sensor malfunction R3T A1P X12A R5T A1P X12A Check connection on PCB or actuator Liquid temperatu...

Page 38: ...he piping and wiring of the specified indoor unit are not connected correctly to the outdoor unit Open the stop valve on both the gas and liquid side Confirm that the piping and wiring of the specifie...

Page 39: ...in mm 40 490 485 495 170 620 150 60 101 30 460 30 37 52 823 940 88 60 19 100 151 52 102 118 59 62 216 130 20 98 21 89 32 17 69 17 104 53 95 289 313 53 95 19 80 3D089312 j b h i g a f e d f c f a Gas p...

Page 40: ...250 300 1000 1000 500 D 1000 D E 1000 1000 500 B D HD HU 300 1000 HD HU 250 1500 HU HD HU 300 1500 B D E HB HD HB HU 300 1000 1000 500 HU HB HU 300 1250 1000 500 HB HU HB HD HD HU 250 1000 1000 500 H...

Page 41: ...A2 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 lowe...

Page 42: ...id e Stop valve gas f Service port refrigerant charge g Service port high pressure h Switch box i Cable tie mountings to fix the field wiring with cable ties to ensure stress relief j Accumulator k Fa...

Page 43: ...exchanger i Service port high pressure j Muffler k Check valve l Compressor accumulator m Capillary tube n Service port refrigerant charge o Accumulator M1C Compressor M1F Fan motor R1T Thermistor ai...

Page 44: ...N RED ORG YLW X81A Z7C N 2 Z5C N 1 Z6C N 2 TO OUT D TO IN D Z7C N 1 GRN Z5C N 3 X2M F1 F2 F1 F2 X99A FRONT DETAIL OF ELECTRICAL COMPONENT BOX BACK Position of compressor terminal NOTE 6 NOTE 7 OUTDOOR...

Page 45: ...L1R L3R Reactor M1C Motor compressor M1F Motor fan PS Switching power supply R1 R2 Resistor R1T Thermistor air R2T Thermistor discharge R3T Thermistor suction 1 R4T Thermistor heat exchanger de icer...

Page 46: ...Heating nominal b Capacity 12 1 kW 14 0 kW COP 3 81 3 58 PED Category 1 Most critical part Compressor PS V 167 bar l Maximum number of indoor units connected c 64 Heat exchanger Type Cross fin Treatm...

Page 47: ...50 Hz Voltage 220 240 V Current Nominal running current RLA a 19 0 A Starting current MSC b MCA Minimum circuit amps MCA c 29 1 A Maximum fuse amps MFA d 32 A Total overcurrent amps TOCA e 29 1 A Full...

Page 48: ...s needs to 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 4 50 80 100 130 5 62 5 100 12...

Page 49: ...erface dedicated depending on indoor unit type e BP box required to connect Residential Air RA or Sky Air SA direct expansion DX indoor units f Residential Air RA direct expansion DX indoor units g Us...

Page 50: ...creases and the system needs to go into defrost operation to be able to deliver enough heat to the indoor units The indoor unit will stop fan operation the refrigerant cycle will reverse and energy fr...

Page 51: ...ect expansion DX indoor unit d User interface dedicated depending on indoor unit type e BP box required to connect Residential Air RA or Sky Air SA direct expansion DX indoor units f Residential Air R...

Page 52: ...s equipped with advanced energy saving functionality Depending on the priority emphasises can be put on energy saving or comfort level Several parameters can be selected resulting in the optimal balan...

Page 53: ...may be required depending on the applicable legislation Please contact your installer for more information WARNING The refrigerant in the air conditioner is safe and normally does not leak If the ref...

Page 54: ...table indicates main components Refer to your maintenance and inspection contract for more details The table indicates recommended intervals of replacement cycles However in order to keep the unit ope...

Page 55: ...ir thermistor malfunction indoor Movement detector or floor temperature sensor malfunction indoor User interface thermistor malfunction indoor PCB malfunction outdoor High pressure switch was activate...

Page 56: ...or U5 and stops but then restarts after a few minutes This is because the user interface is intercepting noise from electric appliances other than the air conditioner The noise prevents communication...

Page 57: ...the product and or operates the product Applicable legislation All international European national and local directives laws regulations and or codes that are relevant and applicable for a certain pro...

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