York YJU3YH019BARRA-X Installation Manual
York YJU3YH019BARRA-X Installation Manual

York YJU3YH019BARRA-X Installation Manual

Inverter multi-split outdoor r410a
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INSTALLATION MANUAL
Inverter Multi-split Outdoor R410A
YJU3-5YH019-034BARRA-X

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Summary of Contents for York YJU3YH019BARRA-X

  • Page 1 INSTALLATION MANUAL Inverter Multi-split Outdoor R410A YJU3-5YH019-034BARRA-X...
  • Page 2: Table Of Contents

    Contents Safety Precautions Accessories Precautions for Selecting the Location Installation drawings of indoor and outdoor units Precautions on Installation Outdoor Unit Installation Guideline Limitations on the installation Refrigerant piping work Pump Down Operation Wiring work Test running Trouble shooting...
  • Page 4: Safety Precautions

    Safety Precautions Read these Safety Precautions carefully to ensure correct installation. This manual classifies the precautions into WARNING and CAUTION. Be sure to follow all the precautions bellow: they are all important for ensuring safety. WARNING Failure to follow any of WARING is likely to result in such grave consequences as death or serious injury. CAUTION Failure to follow any of CAUTION may in some cases result in grave consequences.
  • Page 5: Accessories

    Accessories Accessories supplied with the outdoor unit: Drawing Name of parts Quantity Note Drainage elbow 25K 34K 19K 25K Rubber cushion Clap 25K 34K 19K 25K Adaptor(3/8 1/2) 25K 34K Adaptor(1/2 3/8) Precautions for Selecting the Location 1) Choose a place solid enough to bear the weight and vibration of the unit, where the operation noise will not be amplified. 2) Choose a location where the hot aire discharged from the unit or the operation noise, will not cause a nuisance to the neighbors of the user.
  • Page 7: Installation Drawings Of Indoor And Outdoor Units

    Installation drawings of indoor and outdoor units Connection cautions model connection priority between indoor and stop valve higher from down to up when there is 1 indoor,the prior stop valve is when there are 2 indoors,the prior stop valves are when there are 3 indoors,the prior C B A E D C...
  • Page 8: Precautions On Installation

    Precautions on Installation Check the strength and level of the installation ground so that the unit will not cause any operating vibration or noise after installed. In accordance with the foundation drawing in fix the unit securely by means of the foundation bolts.(Prepare four sets of M8 or M10 foundation bolts, nuts and washers each which are available on the market.) It is best to screw in the foundation bolts until their length are 20mm from the foundation surface.
  • Page 9 Limitations on the installation Indoor Unit Level Outdoor Unit difference: 15m max. Level difference: Level Outdoor Unit 15m max. Level difference: difference: 7.5m max. 7.5m max. Indoor Unit If the outdoor unit is positioned higher than the indoor units. If the outdoor unit is positioned higher than the indoor units. (If lower than one or more indoor units.) Refrigerant piping work 1.
  • Page 10 Refrigerant piping work 3. Refrigerant piping work 1). Align the centres of both flares and tighten the flare nuts 3 or 4 turns by hand. Then tighten them fully with the tor wrenches. Use torque wrenches when tightening the flare nuts to prevent damage to the flare nuts and escaping gas. Flare nut fightening torque Flare nut for 6.35...
  • Page 11 Refrigerant piping work 5. Refilling the refrigerant Check the type of refrigerant to be used on the machine namiplate. Precautions when adding R410A Fill from the liquid pipe in liquid form. It is a mixed refrigerant, so adding it in gas form may cause the refrigerant composition to change, preventing normal operation. 1) Before filling, check whether the cylinder has a siphon attached or not.(It should have something like "liquid filling siphon attached"...
  • Page 12 Refrigerant Piping Work 3) Use separate thermal insulation pipes for gas and liquid refrigerant pipe. Wall Inter unit wiring Be sure to Gas pipe place a cap. Liquid pipe Rain If no flare cap is available, cover the flare mouth with tape Liquid pipe Gas pipe to keep dirt or water...
  • Page 13: Pump Down Operation

    Pump Down Operation In order to protect the environment, be sure to pump down when relocating or disposing of the unit. 1) Remove the valve caps from liquid stop valve and gas stop valve. 2) Carry out forced cooling operation. liquid 3) After five to ten minutes, close the liquid stop valve with a hexagonal wrench.
  • Page 14 Wiring work Wire cover A Wire cover C Terminal block Wire cover A Wire cover C Wire cover D Wire cover B Wire cover E Wire cover B Terminal block Valve cover Valve cover –¨ 25.40 4. Wiring method of indoor unit Loosen wire cover and connect the power line and communication wire of indoor unit to the terminal correspondingly.
  • Page 15: Test Running

    Test running Before starting the test running, please confirm the following works have been done successfully. 1) Correct piping work; 2) Correct wiring work; 3) Correct match of indoor and outdoor unit; 4) Proper recharge of refrigerant if needed. Make sure that all the stop valves are fully open. Check the voltage supplied to the outdoor and indoor units, please cinfirm that is 230V.
  • Page 16: Trouble Shooting

    Trouble shooting Malfunction Diagnosis Malfunction Code Code Faulty of outdoor unit EEPROM Communication failure Faulty of outdoor unit EEPROM between Module and ECU Communication cables broken or not well connected.IPM IPM on the module overcurrent,or short circuit overcurrent or short circuit Communication failure between Module and ECU Communication cables broken,or not be well connected,or faulty main Communication cables broken or not well connected.
  • Page 18 2013 Johnson Controls, Inc. www.johnsoncontrols.co m MJUMYHART-130105 Johnso n Controls reserve the right to change product features without prior notice .

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