Airwell YCV450HR Installation Manual
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Airwell YCV450HR Installation Manual

Airwell YCV450HR Installation Manual

Outdoor unit
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Installation Manual for Outdoor Unit
No. 0150514187
• Please read this manual carefully before using
• Keep this operation manual for future reference
YCV280HR
YCV335HR
YCV400HR
YCV450HR

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Summary of Contents for Airwell YCV450HR

  • Page 1 Installation Manual for Outdoor Unit YCV280HR YCV335HR YCV400HR YCV450HR No. 0150514187 • Please read this manual carefully before using • Keep this operation manual for future reference...

  • Page 2: Table Of Contents

    User Manual This series is cooling and heating heat Contents recovery models. Only when the system is equipped with VP device, indoor units Safety ............1 under different VP device can achieve Installation instruction ........3 cooling and heating simultaneously. The modes of the indoors which under the same Exterior and installation dimensions ....

  • Page 3: Safety

    Safety • This manual should always be accessible and close to this air condition equipment. •   T here are two types of indications, " WARNING" and " CAUTION". The indication preventing from death or heavy injury is listed as " WARNING". Even the indication listed as " CAUTION" may also cause serious accident. Both of them are related to safety, and should be strictly followed. • After installation and start-up commissioning, please handover the manual to the user. The manual should be well kept in safe place and close to the unit.
  • Page 4 Safety • hildren should be supervised to ensure that they do not play with the appliance. • his appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.

  • Page 5: Installation Instruction

    Installation instruction For installation, please review the items below: • Is the connected units quantity and the total capacity in the allowable range? • Is the refrigerant pipe length in the limited range? • Is the pipe size proper? And if the pipe is installed horizontally? •...
  • Page 6 Installation instruction (2) Installation place selection Air-conditioner can't be The unit should be installed The unit should be installed at installed in the place with at the place with good the strong enough place. Or it will inflammable gas. Or it will  ventilation. No obstacle at cause vibration and noise.
  • Page 7 Installation instruction Note: 1. Install adapter to change wind direction at the gas short circuit place. Air outlet snow 2. When installing multiple units, there should be enough air inlet place -proof cover against air in short circuit. 3. In snowy area, install the unit under the bracket or the snow-proof cover against the accumulative snow on the unit.

  • Page 8: Exterior And Installation Dimensions

    Exterior and installation dimensions 1. 8~10HP exterior and installation dimensions (AV08IMVUSA YCV280HR) Over Over 100 Front Foundation bolt 2. 12~16HP exterior and installation dimensions (YCV335HR YCV400HR YCV450HR) Over Over 100 Front 1390 1200 Foundation bolt Note: The distance between two outdoor units in the same line and the distance from unit to the wall...
  • Page 9 Exterior and installation dimensions 3. Combination installation dimensions (1) When outer wall is lower than the outdoor condenser A. Sites for one-row layout Front side Over 100mm Over 200mm Over 200mm B. Sites for two-row layout Front side Front side Over Over Over...
  • Page 10 Exterior and installation dimensions (2) Wall higher than the outdoor condenser A. Place with air inlet hole Notes: Air outlet a. Fan speed Vs at air inlet is 1.5m/s or below. b. Air outlet height HD=H-h and below 1m. Front side Over Over...

  • Page 11: Installation Procedure

    Installation procedure A. Refrigerant pipe connection Pipe connection method: • To ensure the efficiency, the pipe should be as short as When fastening and loosing the possible. nut, operate with double spanners, • Daub the refrigerant oil on the connector and the flare because only one spanner cannot nut. execute firmly. • When bending the pipe, the bending semi-diameter Spanner should be as large as possible against the pipe being Connector broken or bent.
  • Page 12 Installation procedure Anti-fouling measures First, clean the pipe. Position Installation period Measures More than 1 month Flat the pipe end Outdoor Less than 1 month Flat the pipe end or seal with adhesive tape Indoor Nothing to do with period Pipe specification: Outdoor gather pipe The first branch pipe...
  • Page 13 Installation procedure 1. Pipe "a" diameter (between indoor and branch pipe) (depends on indoor pipe) Indoor (x100W) Gas pipe (mm) Liquid pipe (mm) 22~28 Ø9.52 Ø6.35 36~56 Ø12.7 Ø6.35 71~140 Ø15.88 Ø9.52 Note: AS072 AS092 gas pipe: Ø12.7mm AS182 gas pipe/ liquid pipe: Ø15.88mm/9.52mm 2. Pipe "b" diameter (between branch pipes) Total indoor capacity after the branch pipe (kW) Gas pipe (mm) Liquid pipe (mm) X<16.8kW...

  • Page 14: Outdoor

    Installation procedure 5. Pipe "e" diameter (main pipe, between outdoor gather pipe and the first branch pipe) Main pipe Enlarged main pipe Outdoor capacity Suction gas HP gas pipe Liquid pipe Suction gas HP gas pipe Liquid pipe (kW) pipe (mm) (mm) (mm) pipe (mm) (mm) (mm) 28.0 Ø22.2 Ø19.05 Ø9.52 Ø25.4 Ø19.05 Ø12.7 33.5 Ø25.4...

  • Page 15: Outdoor

    Installation procedure Copper pipe selection: Material O type pipe: Soft pipe Pipe diameter (mm) Ø6.35 Ø9.52 Ø12.7 Ø15.88 Ø19.05 Thickness(mm) Material Hard pipe Pipe diameter (mm) Ø19.05 Ø22.22 Ø25.4 Ø28.58 Ø31.8 Ø34.9 Ø38.1 Ø41.3 Thickness(mm) Long pipe and high drop 1.

  • Page 16: Outdoor 2 Outdoor

    Installation procedure 2. Pipe length between outdoors Outdoor 1 Outdoor 2 Outdoor 3 Gas/Liquid pipe: L1+L3 10m, L2+L3 10m 2st gather pipe 1st gather pipe Oil equalization pipe: L5+L6 10m Height difference between outdoors: h 5m Note: a. TAS30HR includes TAS20HR; b.
  • Page 17 Installation procedure Piping installation with positive slope is not allowed Outdoor 1 Outdoor 3 Outdoor 2 d. For installations with outdoors at different heights ,please follow either of the lay out below: Outdoor 1 Outdoor 2 Outdoor 3 Outdoor 2 Outdoor 3 Outdoor 1...
  • Page 18 Installation procedure When changing the height of the pipe and connecting different outdoors at different heights, please do as the figure shows: Oil trap  (upright projecting pipe, 200mm high), Outdoor 3 Outdoor 2 for maximum outdoor unit height difference, please refer to Page 17 Outdoor 1 Installation below is not allowed Outdoor 2 Outdoor 3 Outdoor 1...
  • Page 19 Installation procedure The outdoor is more than one unit When the distance between outdoors(L1, L3) is over 2m, the oil trap must be set Outdoor 1 (upright projecting pipe, 200mm high), as the figure : Outdoor 2 Outdoor 3 Below 2m Below 2m Over 200mm Over 200mm L3<10m L14 L15 L12 L13 L1+L3<10m...
  • Page 20 Installation procedure 4. Example of connection Outdoor unit side (3 pipes) Indoor unit side (2 pipes) HP gas Pipe (Ø12.7) Gas Pipe (Ø15.88) 112A Suction gas Pipe (Ø15.88) Liquid gas Pipe (Ø9.52) Liquid gas Pipe (Ø9.52) Outdoor unit side (3 pipes) Indoor unit side (2 pipes) HP gas Pipe (Ø15.88) Gas Pipe (Ø15.88)
  • Page 21 Diameter (mm) Connecting method Diameter (mm) Connecting method YCV280HR Ø22.22 Ø9.52 Flared YCV335HR Ø25.4 Ø12.7 Braze YCV400HR Ø25.4 Ø12.7 YCV450HR Ø28.58 Ø12.7 HP gas pipe side Oil pipe side Model Diameter (mm) Connecting method Diameter (mm) Connecting method Flared YCV280HR Ø19.05 Ø9.52 YCV335HR Ø22.22...

  • Page 22: Installation Procedure

    Installation procedure B. Indoor unit Gas pipe side Liquid pipe side Model Capacity Connecting Connecting Diameter (mm) Diameter (mm) method method Ø9.52 Ø6.35 Ø9.52 Ø6.35 Ø12.7 Ø6.35 Ø12.7 Ø6.35 Ø12.7 Ø6.35 Flared Flared Ø15.88 Ø9.52 Ø15.88 Ø9.52 Ø15.88 Ø9.52 Ø15.88 Ø9.52 Ø15.88 Ø9.52...
  • Page 23 Installation procedure Note: 1. When connecting the outdoor branch pipe and the outdoor, please pay attention to the outdoor pipe dimension. 2. When adjusting the diameter among outdoor branch pipe and among the units, please do execute at the branch pipe side. 3.
  • Page 24 Installation procedure • The outdoor suction gas pipe /HP gas pipe and the refrigerant distributing pipe, as well as the refrigerant distributing pipe and the branch pipe should be welded with hard solder. • When doing the braze connection, please do the following: Braze the pipe while charging the nitrogen. Or it will cause a number of impurities (a film of oxidation) to clog the capillary and the expansion valve, further cause the deadly failure.
  • Page 25 Installation procedure B. Leakage test 1. The outdoor unit has been executed the leakage test in the factory. The pipe should be executed leakage test individually and forbidden to test after connecting with stop valve. 2. Refer to the below figure to charge the nitrogen into the unit to take a test. Never use the chlorin, oxygen, flammable gas in the leakage test. Apply pressure both on the gas pipe and the liquid pipe. 3.
  • Page 26 The details refer to Page38. D. Check valve operation Open/ close method: (The suction gas pipe stop valve for AV08IMVUSA, YCV280HR, YCV335HR, YCV400HR, YCV450HR) "open"state • Take down the valve cap, suction gas pipe, HP gas pipe  turns to "open"...
  • Page 27 0.11kg/m×__m=__kg W2+W3= W1+W2+ YCV400HR 10kg 4.5kg Ø15.88 0.17kg/m×__m=__kg ___kg W3=___kg YCV450HR 10kg 4.5kg Ø19.05 0.25kg/m×__m=__kg Ø22.22 0.35kg/m×__m=__kg W3=___kg Note: • To prevent the oil going into the pipe, please use the special tool for R410A, especially for gauge manifold and charging hose.

  • Page 28: Electric Wiring And The Application

    Electric wiring and the application Communication wiring figure Outdoor 1 Outdoor 2 Outdoor 3 P Q A B C A B C A B C Control wire for wired controller with polarity VP 1 VP 2 VP 3 Communication wire with polarity P Q B C P Q B C P Q B C...
  • Page 29 Electric wiring and the application C. 2 to 1 (two wired controller controls one indoor): as shown in above figure, indoor 20. One of wired controllers can be set as master wired controller, and the other is slave wired controller. Master/slave wired controller, and master/indoor are connected by 3 polar wires. When indoor is controlled by remote controller, refer to the "wired control master unit/wired control slave unit/remote control unit table".A, B, C on signal terminal block don't need wires and connection with the wired controller. Power wiring figure Please make sure that when the unit is running, the input voltage is no less than 380V;...
  • Page 30 40A 30mA below 0.1S 380- YCV335HR 400V, 60A 30mA below 0.1S 50/60 YCV400HR 60A 30mA below 0.1S YCV450HR 70A 30mA below 0.1S • Power cable must be fixed firmly. • Each outdoor must be earthed well. • When power cable exceeds the range, thicken it appropriately.
  • Page 31 Electric wiring and the application Indoor power source and communication wiring Rated Rated current of residual Communication wire Item Power section Wire current of circuit breaker(A) Indoor cable length overcurrent Ground fault Outdoor/ Indoor/ total section breaker interruptor(mA) indoor indoor current (A) response time(S) <10...
  • Page 32 Electric wiring and the application Identification: • Master unit: by setting dip switch, the unit number is 0. It is used to communicate with indoor unit, also it is the organizer of outdoor communications as communication master unit. • Slave unit: by setting dip switch, the unit number is not 0. •...
  • Page 33 Electric wiring and the application BM2 introduction Group class Without silent operation Silent operation BM2_1 (physical master setting With silent operation unit is valid) Group class Without snow-proof Snow-proof BM2_2 (physical master operation setting With snow-proof unit is valid) BM2_3 Pre-set No definition BM2_4...
  • Page 34 Electric wiring and the application BM4 introduction BM4_1 Drop selection of indoor units Default is 0; 1 is forbidden. Stopped fan operation setting BM4-2 Default is 0; 1 is forbidden. when heating host is running Highest speed is 14 for outdoor unit fan.（default）...
  • Page 35 Electric wiring and the application SW11 Function Display with digital tube LED1 ～ 4 If communication is normal, show the indoor unit program Indoor unit version (one decimal). If communication stops, normally show communication “0000”（failing communication for 5 consecutive rounds）. If checking and program communication has been abnormal, show “----”.
  • Page 36 Electric wiring and the application 2. Valve box parameters observation The parameters of indoor unit address 1-64 can be observed: SW9 and SW10 are valve box numbers; the range of SW11 is 3-14, regarding observed valve box parameters. SW10 System address Unit 1-16 （valve box PCB address dial-up 0#-15#）...
  • Page 37 Electric wiring and the application 3. Outdoor unit parameters observation 0~3 of SW9 is used to select outdoor unit number, selecting the numbers of different outdoor units. The range of SW11 is 0, 1, 15, meaning observed outdoor units parameters. (The host can show the parameters of other outdoor units and indoor units.
  • Page 38 Electric wiring and the application SW10 SW11 Function Display with digital tube LED1~4 345 means 345rpm. Press SW2(UP) for 2 seconds, showing 1111, Speed of outdoor then enter the settable condition. Sparklingly fan motor 1 display: Speed grade will go up a level each time pressing SW2(UP);...
  • Page 39 Electric wiring and the application SW10 SW11 Function Display with digital tube LED1~4 LED1: SV6: 1 ON 0 OFF――Far left Outdoor unit LED2: SV9: 1 ON 0 OFF solenoid valve output LED3: SV10: 1 ON 0 OFF indication LED4: SV11: 1 ON 0 OFF LED1: SV18i: 1 ON 0 OFF――Far left Outdoor unit LED2: SV181: 1 ON 0 OFF solenoid valve output LED3: SV21: 1 ON 0 OFF...
  • Page 40 Electric wiring and the application SW10 SW11 Function Display with digital tube LED1~4 Unit Pl pressure Unit: kg, 2 decimal Pi_temp pressure temp. Pd_temp pressure temp. Ps_temp pressure temp. 25 Unit：℃ Tliqsc temp. Tsco temp. Inverter compressor INV ON/OFF Unit：minute time Inverter power current Inverter compressor current...
  • Page 41 Electric wiring and the application SW10 SW11 Function Operational approach LED1/ LED2: Quantity of cooling indoor unit temp. sensor ON Quantity and LED3/ LED4: Capacity of cooling indoor unit capacity of cooling temp. sensor ON (Unit: HP) indoor unit temp. For example, 0312 means there are 3 cooling sensor ON indoor units temp.
  • Page 42 Electric wiring and the application SW10 SW11 Function Operational approach Press SW2(UP) for 2 seconds, showing 1111, then start up and digital tube displays the Wrong wiring judging time by counting down. inspection in cooling “00.00”means the result is in conformity with the actual connection;...
  • Page 43 Electric wiring and the application SW10 SW11 Function Operational approach Snow-proof 0:without snow-proof operation; operation setting 1: with snow-proof operation The FAN speed setting of Thermo Off 0: not running; 1: running Submachine when heating host running Drop selection 0—No drop between indoor units; between indoor units 1—There is drop between indoor units.
  • Page 44 Electric wiring and the application 5. Control of valve component of outdoor unit (Local) SW10 SW11 Function Operational approach Manual control 4WV ON/OFF Show the component current condition：1 means ON, 0 means Manual control SV1 ON/OFF OFF. Manual control SV3i ON/OFF Press SW2(UP) for 2 seconds，...
  • Page 45 Electric wiring and the application 6. Parameters of phase order detect (Local): SW10 SW11 Function Operational approach Times of ok for phase S（20 times as normal, alarm 37-1 when lower than 16 times） Observe the time of low level for phase S 10ms 1-10 Unit：0.1ms Times of ok for phase S（20 times as normal,...

  • Page 46: Failure Code

    Failure code Failure code Failure code description: (failure code of the whole system is showed as 8 bits, so totally 256 codes. Indoor failure code should be judged by the table and the unit number) •  Outdoor failure code exists in EEPROM, in which 5 failure codes can be kept. • ...
  • Page 47 Failure code Inverter outdoor unit failure code indication on master unit Indication indication on wired Failure code Failure description Remarks on master controller definition unit (hex) Defrosting 20-0 temp. sensor AD value is below 11 (open circuit) or over Tdef1 failure 1012 (short circuit) for 60 seconds, sensor Resumable has no alarm when abnormal in cooling...
  • Page 48 Failure code Indication indication on wired Failure code Failure description Remarks on master controller definition unit (hex) Not finding connected indoor units for  26-0 continuous 200 cycles The searched indoor unit quantity is less 26-1 than the set quantity for continuous 270 seconds The searched indoor unit quantity is more 26-2 than the set quantity for continuous 170 Outdoor unit...
  • Page 49 Failure code Indication indication on wired Failure code Failure description Remarks on master controller definition unit (hex) 33-0 EEPROM communication failure EEPROM EEPROM data check failure(model code, 33-1 (AT24C04) check, etc.) resumable failure EEPROM data logistic failure(data beyond 33-2 limit, reverse sequence, etc.) Discharging Tdi ／...
  • Page 50 Failure code Indication indication on wired Failure code Failure description Remarks on master controller definition unit (hex) 37-1 S phase lack Lack of phase 37-2 T phase lack Once of 3N power S phase & T phase normal, but phase confirmed, ...
  • Page 51 Failure code Indication indication on wired Failure code Failure description Remarks on master controller definition unit (hex) Discharging temp. sensor 43-0 After 10 minutes for normal operation Tdi too low Once (exclude start up, defrosting, oil return, protection confirmed,  remain, stop), if Td ＜ CT+10℃ for Discharging continuous 5 minutes, stop and alarm.
  • Page 52 Failure code Indication indication on wired Failure code Failure description Remarks on master controller definition unit (hex) If Pd-Ps≤0.4MPa for 3 minutes, the outdoor  Too small unit protection stop. Once pressure drop ・5 minutes after stopping protection, confirmed,  75-4 between high restart. pressure and ・If there are more than 6 times of stopping resumable low pressure protecting within 2 hours, Error stop.
  • Page 53 Failure code Indication indication on wired Failure code Failure description Remarks on master controller definition unit (hex) DC fan driving DC fan driving board over current is over board over 5A, then alarm.170 seconds later, resume current or automatically. If it occurs 4 times in an hour, current detector confirm the failure.
  • Page 54 Failure code Indication indication on wired Failure code Failure description Remarks on master controller definition unit (hex) Voltage too If power voltage ＞ DC642V, alarm. high of modular If voltage≤DC642V, INV control board  resumes automatically. If communication signal can not be Communication detected for continuous 30 seconds, alarm. with modular After it can be detected, INV control board abnormal...
  • Page 55 Failure code Indication indication on wired Failure code Failure description Remarks on master controller definition unit (hex) If the host inspects that MCU of submachine is reset, and the submachine is running, the host alarm MCU reset Once failure, then the whole system stop. In MCU reset confirmed, ...
  • Page 56 Failure code Indoor failure code list Flash times of Indication Indication LED5 on indoor on master on wired Failure code definition PCB/timer LED on unit controller remote receiver Indoor ambient temp. sensor TA failure Indoor coil temp. sensor TC1 failure Indoor coil temp. sensor TC2 failure Indoor TW sensor failure Indoor EEPROM failure Communication between indoor and outdoor failure...

  • Page 57: Trial Operation And The Performance

    Trial operation and the performance 5-minute delay function •  If starting up the unit after being powered off, the compressor will run about 5 minutes later against being damaged. Cooling/heating operation •  Indoor units can be controlled individually. Indoor units under different VP can achieve cooling and heating simultaneously.
  • Page 58 Trial operation and the performance When power failure •  When power is failure in running, all the operations will stop. •  After being electrified again, if with re-satrt up function, the unit can resume to the state before  power off automatically; if without re-satrt up function, the unit needs to be switched on again. •  When abnormal occurs in running because of the thunder, the lightning, the interference of car or radio, etc, please cut off the power source, after eliminating the failure, press "ON/OFF" ...

This manual is also suitable for:

Ycv335hrYcv280hrYcv400hr

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