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Pioneer WAS series Installation Manual

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SPLIT-TYPE ROOM AIR CONDITIONER

Installation Manual

WAS and WYS SERIES
INVERTER SPLIT SYSTEMS
COOLING ONLY / HEAT PUMP
All Model Numbers
IMPORTANT NOTE:
Read this manual carefully before installing
or operating your new air conditioning
unit. Make sure to save this manual for
future reference.
CS78421-548-754

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  Summary of Contents for Pioneer WAS series

  • Page 1: Installation Manual

    SPLIT-TYPE ROOM AIR CONDITIONER Installation Manual WAS and WYS SERIES INVERTER SPLIT SYSTEMS COOLING ONLY / HEAT PUMP All Model Numbers CS78421-548-754 IMPORTANT NOTE: Read this manual carefully before installing or operating your new air conditioning unit. Make sure to save this manual for future reference.
  • Page 2: Table Of Contents

    Table of Contents Installation Manual Safety Precautions ........4 Accessories ..........6 ..Installation Summary - Indoor Unit ..........10 Unit Parts ..11 Indoor Unit Installation 1. Select installation location ......11 2. Attach mounting plate to wall ....12 3.
  • Page 3 Refrigerant Piping Connection ..25 A. Note on Pipe Length ............. 25 B. Connection Instructions –Refrigerant Piping ....25 1. Cut pipe ................25 2. Remove burrs ..............26 3. Flare pipe ends ..............4. Connect pipes ..............27 ....... 29 Air Evacuation 1.
  • Page 4: Safety Precautions

    Safety Precautions Read Safety Precautions Before Installation Incorrect installation due to ignoring instructions can cause serious damage or injury. The seriousness of potential damage or injuries is classified as either a WARNING or CAUTION. This symbol indicates that ignoring instructions may cause death or serious injury.
  • Page 5 WARNING 6. For all electrical work, follow all local and national wiring standards, regulations, and the Installation Manual. You must use an independent circuit and single outlet to supply power. Do not connect other appliances to the same outlet. Insu cient electrical capacity or defects in electrical work can cause electrical shock or re.
  • Page 6: Accessories

    Accessories The air conditioning system comes with the following accessories. Use all of the installation parts and accessories to install the air conditioner. Improper installation may result in water leakage, electrical shock and re, or cause the equipment to fail. Name Shape Quantity...
  • Page 7 Name Shape Quantity INVERTER SPLIT-TYPE ROOM AIR CONDITIONER Owner’s Manual Aurora Series All Model Numbers Owner’s manual CS78421-548-754 IMPORTANT NOTE: Read this manual carefully before installing or operating your new air conditioning unit. Make sure to save this manual for future reference.
  • Page 8: Installation Summary - Indoor Unit

    Installation Summary - Indoor Unit 15cm (5.9in) 12cm 12cm (4.75in) (4.75in) 2.3m (90.55in) Select Installation Location Determine Wall Hole Position (Page 11) (Page 12) Attach Mounting Plate Drill Wall Hole (Page 12) (Page 12) Page 8  ...
  • Page 9 Connect Piping Connect Wiring Prepare Drain Hose (Page 25) (Page 17) (Page 14) Wrap Piping and Cable (Page 18) STEP Mount Indoor Unit (Page 18) Page 9  ...
  • Page 10: Unit Parts

    Unit Parts Wall Mounting Plate Front Panel Power Cable (Some Units) Louver Drainage Pipe Functional Filter (On Front of Main Filter - Some Units) Signal Cable Refrigerant Piping Remote Control (Some Units) Remote Holder Outdoor Unit Power Cable (Some Units) Fig.
  • Page 11: Select Installation Location

    Indoor Unit Installation DO NOT install unit in the following Installation Instructions – Indoor locations: Unit Near any source of heat, steam, or combustible gas PRIOR TO INSTALLATION Near flammable items such as curtains or Before installing the indoor unit, refer to the clothing label on the product box to make sure that the model number of the indoor unit matches the...
  • Page 12: Drill Wall Hole For Connective Piping

    Refer to the following diagram to ensure proper distance from walls and ceiling: 15cm (5.9in) or more 12cm (4.75in) 12cm (4.75in) or more or more Fig. 3.1 2.3m (90.55in) or more Step 2: Attach mounting plate to wall Step 3: Drill wall hole for connective piping The mounting plate is the device on which you You must drill a hole in the wall for refrigerant will mount the indoor unit.
  • Page 13 W all 179mm (7.05in) Indoor Outdoor 101mm (4in) 136mm (5.35in) Indoor unit outline Left rear wall Right rear wall hole 65mm (2.5in) 722mm (28.45in) hole 65mm (2.5in) Model A 232mm (9.15in) 192mm (7.55in) 128mm (5.05in) Indoor unit outline Fig.3.2 Fig. 3.2 Right rear wall Left rear wall hole 65mm (2.5in)
  • Page 14: Prepare Refrigerant Piping

    Step 4: Prepare refrigerant piping 3. Use scissors to cut down the length of the insulating sleeve to reveal about 15cm (6in) The refrigerant piping is inside an insulating of the refrigerant piping. This serves two sleeve attached to the back of the unit. You must purposes: prepare the piping before passing it through the hole in the wall.
  • Page 15: Connect Drain Hose

    Step 5: Connect drain hose PLUG THE UNUSED DRAIN HOLE By default, the drain hose is attached to the left- To prevent unwanted leaks you must plug hand side of unit (when you’re facing the back the unused drain hole with the rubber plug of the unit).
  • Page 16 BEFORE PERFORMING ELECTRICAL WORK, READ THESE REGULATIONS 1. All wiring must comply with local and national electrical codes, and must be installed by a licensed electrician. 2. All electrical connections must be made according to the Electrical Connection Diagram located on the panels of the indoor and outdoor units. 3.
  • Page 17: Connect Signal Cable

    Step 6: Connect signal cable TAKE NOTE OF FUSE SPECIFICATIONS The signal cable enables communication between The air conditioner’ s circuit board (PCB) is the indoor and outdoor units. You must first designed with a fuse to provide overcurrent choose the right cable size before preparing it for protection.
  • Page 18: Wrap Piping And Cables

    6. Feed the signal wire through this slot, from DO NOT INTERTWINE SIGNAL CABLE WITH the back of the unit to the front. OTHER WIRES 7. Facing the front of the unit, match the wire While bundling these items together, do not colors with the labels on the terminal block, intertwine or cross the signal cable with any connect the u-lug and and rmly screw each...
  • Page 19 If refrigerant piping is already embedded in 3. Connect drain hose and refrigerant piping the wall, do the following: (refer to Refrigerant Piping Connection section of this manual for instructions). 1. Hook the top of the indoor unit on the upper 4.
  • Page 20 Outdoor Unit Installation Installation Instructions – Outdoor Unit Step 1: Select installation location Before installing the outdoor unit, you must choose an appropriate location. The following are standards that will help you choose an appropriate location for the unit. Proper installation locations meet the following standards: ...
  • Page 21 If the drain joint comes with a rubber seal SPECIAL CONSIDERATIONS FOR EXTREME (see Fig. 4.4 - A ), do the following: WEATHER 1. Fit the rubber seal on the end of the drain joint If the unit is exposed to heavy wind: that will connect to the outdoor unit.
  • Page 22 Step 3: Anchor outdoor unit The outdoor unit can be anchored to the ground or to a wall-mounted bracket. UNIT MOUNTING DIMENSIONS Air inlet The following is a list of di erent outdoor unit sizes and the distance Air inlet between their mounting feet.
  • Page 23 If you will install the unit on a wall-mounted BEFORE PERFORMING bracket , do the following: ELECTRICAL WORK, READ THESE REGULATIONS CAUTION 1. All wiring must comply with local and national electrical codes, and must be Before installing a wall-mounted unit, make installed by a licensed electrician.
  • Page 24 PA Y ATTENTION TO LIVE WIRE WARNING While crimping wires, make sure you clearly BEFORE PERFORMING ANY ELECTRICAL distinguish the Live (“L”) Wire from other wires. OR WIRING WORK, TURN OFF THE MAIN POWER TO THE SYSTEM. WARNING 1. Prepare the cable for connection: ALL WIRING MUST PERFORMED STRICTLY USE THE RIGHT CABLE IN ACCORDANCE WITH THE WIRING...
  • Page 25: Refrigerant Piping Connection

    Refrigerant Piping Connection Note on Pipe Length The length of refrigerant piping will a ect the performance and energy efficiency of the unit. Nominal efficiency is tested on units with a pipe length of 5 meters (16.5ft). Refer to the table below for specifications on the maximum length and drop height of piping. Maximum Length and Drop Height of Refrigerant Piping per Unit Model Model Capacity (BTU/h)
  • Page 26: Remove Burrs

    DO NOT DEFORM PIPE WHILE CUTTING Flare nut Be extra careful not to damage, dent, or deform the pipe while cutting. This will drastically reduce the heating e ciency of the unit. Copper pipe Step 2: Remove burrs Burrs can a ect the air-tight seal of refrigerant piping connection.
  • Page 27: Connect Pipes

    6. Place aring tool onto the form. Instructions for Connecting Piping to 7. Turn the handle of the aring tool clockwise Indoor Unit until the pipe is fully ared. 1. Align the center of the two pipes that you will 8.
  • Page 28: Outdoor Unit

    Instructions for Connecting Piping to USE SPANNE R TO GRIP MAIN Outdoor Unit BOD Y OF VALVE Torque from tightening the are nut can snap 1. Unscrew the cover from the packed valve on o other parts of valve. the side of the outdoor unit. (See Fig. 5.9 ) Valve cover Fig.
  • Page 29 Accessories The air conditioning system comes with the following accessories. Use all of the installation parts and accessories to install the air conditioner. Improper installation may result in water leakage, electrical shock and re, or cause the equipment to fail. Name Shape Quantity...
  • Page 30: Air Evacuation

    Air Evacuation Preparations and Precautions Evacuation Instructions Air and foreign matter in the refrigerant circuit Before using the manifold gauge and vacuum can cause abnormal rises in pressure, which pump, read their operation manuals to familiarize can damage the air conditioner, reduce its yourself with how to use them properly.
  • Page 31: Note On Adding Refrigerant

    Open the Low Pressure side of the manifold gauge. Keep the High Pressure side closed. Flare nut Turn on the vacuum pump to evacuate the system. Run the vacuum for at least 15 minutes, or until the Compound Meter reads -76cmHG (-10 Pa).
  • Page 32: Test Run

    Electrical and Gas Leak Checks WARNING – RISK OF Electrical Safety Checks ELECTRIC SHOCK After installation, confirm that all electrical wiring ALL WIRING MUST COMPLY WITH LOCAL is installed in accordance with local and national AND NATIONAL ELECTRICAL CODES, regulations, and according to the Installation AND MUST BE INSTALLED BY A LICENSED Manual.
  • Page 33 Test Run Before Test Run List of Checks to Perform PASS/FAIL No electrical leakage Only perform test run after you have completed the following steps: Unit is properly grounded • Electrical Safety Checks – Confirm that the unit’ s electrical system is safe and All electrical terminals operating properly properly covered...
  • Page 34 DOUBLE-CHECK PIPE CONNECTIONS During operation, the pressure of the refrigerant circuit will increase. This may reveal leaks that were not present during your initial leak check. Take time during the Test Run to double-check that all refrigerant pipe connection points do not have leaks. Refer to Gas Leak Check section for instructions.
  • Page 35 European Disposal Guidelines This appliance contains refrigerant and other potentially hazardous materials. When disposing of this appliance, the law requires special collection and treatment. Do not dispose of this product as household waste or unsorted municipal waste. When disposing of this appliance, you have the following options: •...
  • Page 36 The design and speci cations are subject to change without prior notice for product improvement. Consult with the sales agency or manufacturer for details. CS368I-AB 16122000002333 20150820 For accessories, parts, service, please contact Parker Davis HVAC Systems, Inc. Telephone: (305) 513-4488...

This manual is also suitable for:

Wys series