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Installation and operation manual

VRV IV system air conditioner

English

Installation and operation manual

VRV IV system air conditioner

RXMLQ8T7Y1B*
RXYLQ10T7Y1B*
RXYLQ12T7Y1B*
RXYLQ14T7Y1B*

Содержание VRV IV RXYLQ10T7Y1B Series

Страница 1: ...Installation and operation manual VRV IV system air conditioner English Installation and operation manual VRV IV system air conditioner RXMLQ8T7Y1B RXYLQ10T7Y1B RXYLQ12T7Y1B RXYLQ14T7Y1B...

Страница 2: ...18 19 20 21 22 23 24 25 Directivelor cu amendamentele respective Direktive z vsemi spremembami Direktiivid koos muudatustega Direktyvose su papildymais Direkt v s un to papildin jumos Smernice v plat...

Страница 3: ...astaava kyll stysl mp tila M C Kylm aine N Varmuuspainelaitteen asetus P bar Valmistusnumero ja valmistusvuosi katso mallin nimikilpi Maxim ln p pustn tlak PS K bar Minim ln maxim ln p pustn teplota T...

Страница 4: ...t fan does not spin 14 8 2 15 Symptom The display shows 88 14 8 2 16 Symptom The compressor in the outdoor unit does not stop after a short heating operation 14 8 2 17 Symptom The inside of an outdoor...

Страница 5: ...Outdoor unit installation and operation manual Installation and operation instructions Format Paper in the box of the outdoor unit Installer and user reference guide Preparation of the installation re...

Страница 6: ...ressure side Do NOT use taped wires stranded conductor wires extension cords or connections from a star system They can cause overheating electrical shock or fire Do NOT install a phase advancing capa...

Страница 7: ...y By ensuring this product is disposed of correctly you will help to prevent potential negative consequences for the environment and human health For more information contact your installer or local a...

Страница 8: ...ways have qualified service personnel confirm that the point of leakage has been repaired or corrected before resuming operation WARNING Stop operation and shut off the power if anything unusual occur...

Страница 9: ...and automatic operation Changeover cannot be made with a user interface whose display shows change over under centralised control refer to installation and operation manual of the user interface When...

Страница 10: ...Press the ON OFF button of the user interface Result The operation lamp lights up and the system starts operating 3 Press the air flow direction adjust button only for double flow multi flow corner ce...

Страница 11: ...o perform this work WARNING NEVER replace a fuse with a fuse of a wrong ampere ratings or other wires when a fuse blows out Use of wire or copper wire may cause the unit to break down or cause a fire...

Страница 12: ...peration the system automatically restarts immediately after power is restored Check if no fuse has blown or breaker is activated Change the fuse or reset the breaker if necessary Malfunction Measure...

Страница 13: ...nsistency Auto address malfunction inconsistency 8 2 Symptoms that are NOT system malfunctions The following symptoms are NOT system malfunctions 8 2 1 Symptom The system does not operate The air cond...

Страница 14: ...s kept flowing 8 2 10 Symptom Noise of air conditioners Indoor unit outdoor unit A continuous low hissing sound is heard when the system is in cooling or defrost operation This is the sound of refrige...

Страница 15: ...2HP 14 16HP 18 20HP 2 0 1 5 1 5 1 2 1 5 1 1 0 7 1 0 0 5 0 5 0 3 0 5 0 0 0 1 0 0 5 0 5 0 5 0 5 0 0 0 Total indoor unit capacity when piping length 30m Total indoor unit capacity when piping length 30m...

Страница 16: ...lation in a commercial and light industrial environment NOTICE This is a class A product In a domestic environment this product may cause radio interference in which case the user may be required to t...

Страница 17: ...be increased depending on the installation place and condition 729 613 929 AB AA a mm Minimum foundation a Anchor point 4 HP AA AB 8 14 1076 1302 Fasten the unit in place using four foundation bolts...

Страница 18: ...eam capacity for D capacity index of unit 1 capacity index of unit 2 E Piping between refrigerant branch kit and indoor unit Pipe size for direct connection to indoor unit must be the same as the conn...

Страница 19: ...with the capacity of the outdoor unit example refnet joint a Outdoor unit capacity type HP 2 pipes 8 10 KHRQ22M29T9 12 22 KHRQ22M64T 24 42 KHRQ22M75T For refnet joints other than the first branch exam...

Страница 20: ...n b Front connection c Right side connection For side connections the knockout hole on the bottom plate should be removed c b a a Large knockout hole b Drill c Points for drilling NOTICE Precautions w...

Страница 21: ...wing guidelines into account Make sure to keep all stop valves open during operation The gas and liquid stop valves are factory closed Do NOT apply excessive force to the stop valve Doing so may break...

Страница 22: ...410A tank siphon system e Vacuum pump f Liquid line stop valve g Gas line stop valve A Valve A B Valve B 3 Recover gas and oil from the spun piping by using a recovery unit CAUTION Do not vent gases i...

Страница 23: ...e a vacuum pump to evacuate the installation 14 3 3 Checking refrigerant piping Setup p p R410A N2 C b c e a g f d A B a Pressure reducing valve b Nitrogen c Weighing scales d Refrigerant R410A tank s...

Страница 24: ...power of some units is turned off the charging procedure cannot be finished properly NOTICE In case of a multiple outdoor system turn on the power of all outdoor units NOTICE Be sure to turn ON the po...

Страница 25: ...io Parameter B Parameter B 8 10 HP 12 14 HP 3 5 kg 3 8 kg Metric piping When using metric piping replace the weight factors in the formula by the ones from the following table Inch piping Metric pipin...

Страница 26: ...outdoor unit operation If Then The additional refrigerant amount is smaller than 10 kg Perform steps 2 3 The additional refrigerant charge is larger than 10 kg Perform steps 2 8 3 Pre charging can be...

Страница 27: ...ional refrigerant charging operation again 14 4 7 Checks after charging refrigerant Are all stop valves open Is the amount of refrigerant that has been added recorded on the refrigerant charge label N...

Страница 28: ...these limits it may result in communication error For non standard combinations Calculate the recommended fuse capacity Formula Calculate by adding the minimum circuit amps of each used unit according...

Страница 29: ...to the Q1 Q2 Out Multi terminals Connecting the wires to the F1 F2 terminals results in system malfunction The wiring for the other systems must be connected to the F1 F2 Out Out terminals of the PCB...

Страница 30: ...pump system it is required to give some input to the PCB of the unit This chapter will describe how manual input is possible by operating the push buttons DIP switches on the PCB and reading the feedb...

Страница 31: ...CE Make sure that all outside panels except for the service cover on the electrical component box are closed while working Close the lid of the electrical component box firmly before turning on the po...

Страница 32: ...1 1 Description 0 Unit is currently not operating under low noise restrictions 1 Unit is currently operating under low noise restrictions 1 2 Shows the status of power consumption limitation operatio...

Страница 33: ...door units and RA DX indoor units are used at the same time 2 83 Description 0 VRV DX indoor unit has mode selection right 1 default RA DX indoor unit has mode selection right setting 16 1 9 To connec...

Страница 34: ...ial Additional refrigerant charge The amount of refrigerant to be added to the unit shall be written on the included Added refrigerant plate and attached to the rear side of the front cover Installati...

Страница 35: ...n and confirm that the abnormality is properly corrected INFORMATION Refer to the installation manual of the indoor unit for detailed malfunction codes related to indoor units 18 Hand over to the user...

Страница 36: ...Check connection on PCB or actuator Discharge temperature sensor malfunction R21T open circuit A1P X29A Check connection on PCB or actuator Discharge temperature sensor malfunction R21T short circuit...

Страница 37: ...ase loss Check if power supply is within range Warning indication Leak detection or refrigerant amount check not performed system operation possible Execute autocharge function see manual unit not rea...

Страница 38: ...utomatic charging nearly finished Prepare for autocharge stopping Automatic charging finished Finish autocharge mode Leak detection function related Unit is not prepared to execute leak detection oper...

Страница 39: ...D Sides along the installation site with obstacles F Front side Suction side In case of an installation site where sides A B C D have obstacles the wall heights of sides A C have no impact on service...

Страница 40: ...ot mounted in switch box Wiring depending on model PCB 1 Refer to the installation or service manual on how to use BS1 BS3 push buttons and DS1 DS2 DIP switches 2 Do not operate the unit by short circ...

Страница 41: ...rminal strip X M A P Terminal strip on PCB X Y Connector Y E Electronic expansion valve Y S Solenoid valve Z C Noise filter ferrite core Z F Noise filter Optional Field supply 21 Disposal NOTICE Do NO...

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