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Pioneer YN020GMFI22M2D Installation Manual

Dc inverter two,three,four and five zone multi split-type air conditioner heat pump
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Installation Manual

Read this manual carefully before
installing or operating your new air
conditioning unit. Make sure to save
this manual for future reference.
This manual only describes the information
for the outdoor unit. For matched indoor units
refer to the user's manual provided with the indoor unit.
Copyright 2016 Parker Davis HVAC International Inc. All rights reserved.



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  Summary of Contents for Pioneer YN020GMFI22M2D

  • Page 1: Installation Manual

    DC INVERTER TWO, THREE, FOUR AND FIVE ZONE MULTI SPLIT-TYPE AIR CONDITIONER HEAT PUMP Installation Manual IMPORTANT NOTE: Read this manual carefully before • installing or operating your new air conditioning unit. Make sure to save this manual for future reference. This manual only describes the information •...
  • Page 2: Table Of Contents

    Table of Contents Installation Manual Accessories ............ Safety Precautions ........Installation Overview ....... Installation Diagram ........ Specifications ..........Outdoor Unit Installation ......a. Outdoor Unit Installation Instructions ..09 b. Drain Joint Installation ........ c. Notes on Drilling Hole on Wall ....
  • Page 3 Refrigerant Piping Connection ....Wiring ..........a. Outdoor Unit Wiring ....b. Wiring Figure ........ Air Evacuation .......... a. Evacuation Instructions ......b. Note on Adding Refrigerant ....Test Run ............22 Function of Automatic Wiring/Piping Correction ..23   Page 3...
  • Page 4: 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 fire, or cause the equipment failure. Name Shape Quantity Installation Plate...
  • Page 5: Safety Precautions

    Safety Precautions Read Safety Precautions Before Installation Incorrect installation due to ignored instructions can cause serious damage or injury. The seriousness of potential damage or injuries is classified as either a WARNING or CAUTION. Failure to observe a warning may result in death. The appliance must be installed in accordance with national and local codes and regulations.
  • Page 6: Installation Overview

    Installation Overview INSTALLATION ORDER Install the outdoor unit Connect the refrigerant pipes Connect the wires (Page 9) (Page 12) (Page 14) Evacuate the refrigeration Perform a test run system (Page 22) (Page 20)   Page 6...
  • Page 7: Installation Diagram

    Installation Diagram Installation Diagram 2 ZONE 3 ZONE 4 ZONE 5 ZONE Fig. 4.1 Safety Precautions CAUTION CAUTION Use a stud finder to locate studs to prevent This illustration is for explanation purposes • • unnecessary damage to the wall. only.
  • Page 8: Specifications

    Specifications Table 5.1 Indoor units that can be used in Number of connected 1-5 units combination units Compressor stop/start frequency Stop time 3 min or more voltage fluctuation within ±10% of rated voltage Power source voltage voltage drop during start within ±15% of rated voltage interval unbalance within ±3% of rated voltage...
  • Page 9: Outdoor Unit Installation

    Outdoor Unit Installation  The area must be free of combustible gases √ Outdoor Unit Installation Instructions and chemicals.  √ The pipe length between the outdoor and Step 1: Select installation location. indoor unit may not exceed the maximum The outdoor unit should be installed in the allowable pipe length.
  • Page 10 Split Type Outdoor Unit Table 6.1: Length Specifications of Split Type (Refer to Fig 6.4, 6.5, 6.6, 6.10 and Table 6.1) Outdoor Unit (unit: mm/inch) Outdoor Unit Dimensions Mounting Dimensions W x H x D Distance A Distance B 2 Zone 350 (13.8) 845x702x363 (33.27x27.6x14.3) 540 (21.26)
  • Page 11: Drain Joint Installation

    NOTE: The minimum distance between the Notes On Drilling hole on the wall outdoor unit and walls described in the You must drill a hole into the wall for the installation guide does not apply to airtight refrigerant piping, and the signal cable that will rooms.
  • Page 12: Refrigerant Piping Connection

    Refrigerant Piping Connection Safety Precautions CAUTION DO NOT deform pipe while cutting. Be extra WARNING careful not to damage, dent, or deform the pipe • All field piping must be completed by a while cutting. This will drastically reduce the licensed technician and must comply with the heating efficiency of the unit.
  • Page 13: Air Evacuation

    flared ends of cable with any other wiring. the pipes. (Pioneer leak sealer if provided). 7. Thread this pipeline through the wall and 2. Align the center of the two pipes that you will connect it to the outdoor unit.
  • Page 14 Wiring Follow these instructions to prevent distortion Safety Precautions when the compressor starts: WARNING • The unit must be connected to the main outlet. Normally, the power supply must • Be sure to disconnect the power supply have a low output impedance of 32 ohms. before working on the unit.
  • Page 15 Table 8.2: European Regions 5. Insulate unused wires with electrical tape. Keep them away from any electrical or metal Rated Current of Nominal Cross-Sectional parts. Appliance (A) Area (mm²) 6. Reinstall the cover of the electric control box.  6 0.75 6 - 10 10 - 16...
  • Page 16 Wiring Figure CAUTION Connect the connective cables to the terminals as identified with their respective matched numbers on the terminal block of indoor and outdoor units. For example, see the following US models: Terminal L1 of outdoor must connect with terminal L1 on the indoor unit. Do Not Invert. Some indoor units terminals are marked as 1-2-3-G Some indoor units terminals are marked as L1-L2-S-G Some outdoor units terminals are marked as 1-2-3-G...
  • Page 17 NOTE: please refer to the following figures, for different available terminal blocks. THREE ZONE models: Model AA Model AB Model BA Model BB FOUR ZONE models: Model AB Model AA Model BB Model BA   Page 17...
  • Page 18 FIVE ZONE models: Model AA Model AB Model BA Model BB   Page 18...
  • Page 19 CAUTION After the confirmation of the above conditions, prepare the wiring as follows: • Assure to provide an individual power circuit specifically for this air conditioner. As for the method of wiring, be guided by the circuit diagram posted on the inside of control cover. •...
  • Page 20 end of a refrigerant pipes. Leak must be located and the leaking nut must be tightened properly before re-vacuuming the circuit. 10. If the vacuum is achieved, close the low side valve at the low pressure side on your gauge manifold first and shut the vacuum pump off.
  • Page 21 COMMON (MASTER) Service Valves Flare nut 3-way (Gas) Valve Valve body Valve stem Circuit Service Valves 16. Power up the system, and run the indoor unit for circuit A in COOLING mode to assure that all functions are working. 17. Switch the indoor unit of circuit A to HEAT mode and assure that all functions are working.
  • Page 22 Note: First and the largest capacity indoor unit 13. Remove the 3-way (Gas) Common (Master) Valve’s should always be connected to circuit A as primary. brass dust cap. Insert proper size Allen wrench into the 4. If the manifold gauge set’s hoses have 1/4” SAE valve core and turn it until it is back seated.
  • Page 23 Flare nut 3-way (Gas) Valve of a circuit. Valve body Valve stem 18. Power up the system, and run the indoor unit for circuit A in COOLING mode to assure that all functions 2. For 3, 4 and 5 zone systems, connect the low are working.
  • Page 24 ADDING OR REPLACING REFRIGERANT AFTER 6. Set the refrigerant container on an electronic charging scale and record the weight (or zero-out A REFRIGERANT LOSS IS DISCOVERED: the scale depending on the scale used). 7. Start all indoor units attached to the system in Please note: R410a is a blended and isotropic refrigerant.
  • Page 25: Outdoor Unit Error Display

    Outdoor unit error display YN020GMFI22M2D, YN030GMFI22M3D, YN040GMFI22M4D, YN050GMFI22M5D Display LED STATUS New indoor Error Outdoor unit EEPROM parameter error Communication malfunction between indoor and outdoor units Communication malfunction between IPM board and outdoor main control —— board Outdoor temperature sensor (coil sensor T3,ambient sensor T4, Compressor F2/F1/F3/F6 discharge sensor T5、indoor coil outlet pipe sensor T2B) malfunction...
  • Page 26 Note On Adding Refrigerant CAUTION • Refrigerant charging must be performed after wiring, vacuuming and the leak test. DO NOT exceed the maximum allowable quantity of refrigerant or overcharge the system. • Doing so can damage or impact the unit’ s function. •...
  • Page 27: Test Run

    Test Run f. Check to see that the drainage system is Before Test Run unimpeded and draining smoothly. A test run must be performed after the entire g. Ensure there is no vibration or abnormal system has been completely installed. Confirm noise during operation.
  • Page 28: Function Of Automatic Wiring/Piping Correction

    Function of Automatic Wiring/Piping Correction Automatic Wiring/Piping Correction Function Newest models are capable of automatic correction of wiring/piping error. Press the "check switch" on the outdoor unit PCB board 5 seconds until LED display "CE", which mean this function is working, Approximately 5-10 minutes after the switch is pressed, the "CE"...
  • Page 29 QSBPTYI-040AEN-PDB55 The design and specifications are subject to change without prior notice for product improvement. Consult with your supplier or manufacturer for details. Parker Davis HVAC International, Inc. 2250 NW 102 Place Doral, FL 33172 - USA Tel: (305) 513-4488 Fax: (305) 513-4499 Online sales or parts support: or call toll free support hotline: (800) 243-0340...

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