Mitsubishi Electric CITY MULTI PQHY-P-YLM-A1 Instruction Manual
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Mitsubishi Electric CITY MULTI PQHY-P-YLM-A1 Instruction Manual

Mitsubishi Electric CITY MULTI PQHY-P-YLM-A1 Instruction Manual

Air-conditioners for building application
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Air-Conditioners For Building Application
HEAT SOURCE UNIT
PQHY-P-Y(S)LM-A1, PQHY-P-Y(S)LM-A2
PQRY-P-Y(S)LM-A1, PQRY-P-Y(S)LM-A2
INSTALLATION MANUAL
For safe and correct use, please read this installation manual thoroughly before installing the air-conditioner unit.
For use with R410A
<ORIGINAL>

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Summary of Contents for Mitsubishi Electric CITY MULTI PQHY-P-YLM-A1

  • Page 1 <ORIGINAL> Air-Conditioners For Building Application HEAT SOURCE UNIT PQHY-P-Y(S)LM-A1, PQHY-P-Y(S)LM-A2 For use with R410A PQRY-P-Y(S)LM-A1, PQRY-P-Y(S)LM-A2 INSTALLATION MANUAL For safe and correct use, please read this installation manual thoroughly before installing the air-conditioner unit.
  • Page 2 [Fig. 6.0.1] ≥ 8 m [26 ft] ≥ 8 m [26 ft] <P200 ~ P300> <P350 ~ P600> A : Suspension Ropes (8 m [26 ft] or longer × 2 ropes) B : Protective Pads (front and back, 4 points) (Unit: mm [in]) [Fig.
  • Page 3 System example of water circuit [Fig. 8.1.2] Note: The figure above shows a sample water circuit. This circuit is provided only as a reference, and Mitsubishi Electric Corporation shall not be held for any problems arising from the use of this circuit.
  • Page 4 [Fig. 8.4.1] A : Pump interlock circuit connection (field-supplied) 63PW [Fig. 8.4.2] ~ 240/230/220 V Flow switch: FS A : Heat source unit B : Control panel (field-supplied) C : To next heat source unit Flow switch: FS D : Operation ON signal E: Pump interlock [Fig.
  • Page 5 [Fig. 9.2.1] [PQHY-P200~P600YLM-A1, PQHY-P200~P600YLM-A2] [PQHY-P400~P900YSLM-A1, PQHY-P400~P900YSLM-A2] unit 1 unit 2 unit 1 unit 2 A : Heat source unit B : 1st branch C : Indoor unit D : Cap E : Heat source twinning kit F : Header * The total length of A and A is less than 10 m [32 ft].
  • Page 6 [Fig. 9.2.2] [PQRY-P200~P600YLM-A1, PQRY-P200~P600YLM-A2] (*NOTE 1) B C D [PQRY-P400~P900YSLM-A1, PQRY-P400~P900YSLM-A2] unit 1 unit 2 A : Heat source unit B : BC controller (standard) C : BC controller (main) D : BC controller (sub) E : Indoor unit (15 ~ 80) F : Indoor unit (100 ~ 250) G : Heat source twinning kit *NOTE 1...
  • Page 7 PQHY-P·Y(S)LM-A1, PQHY-P·Y(S)LM-A2 (Unit: mm [in]) Unit combination Heat source model Unit1 Unit2 Liquid side Gas side Liquid side Gas side Liquid side Gas side P200YLM ø9.52 [3/8] ø19.05 [3/4] P250YLM ø9.52 [3/8] ø22.2 [7/8] P300YLM ø9.52 [3/8] ø22.2 [7/8] P350YLM ø12.7 [1/2] ø28.58 [1-1/8] P400YLM...
  • Page 8 PQHY-P·Y(S)LM-A1, PQHY-P·Y(S)LM-A2 PQRY-P·Y(S)LM-A1, PQRY-P·Y(S)LM-A2 B, C, D (Unit: mm [in]) (Unit: mm [in]) Total capacity of indoor units Liquid pipe Gas pipe Total capacity of indoor units Liquid pipe Gas pipe ~ 140 ø9.52 [3/8] ø15.88 [5/8] ~ 80 ø9.52 [3/8] ø15.88 [5/8] 141 ~ 200 ø9.52 [3/8]...
  • Page 9 [Fig. 9.2.3] <A> When the piping (from the twinning pipe) exceeds 2 m [6 ft], include a trap (gas pipe only) within 2 m [6 ft]. Make sure the height of the trap is 200 mm [7-7/8 in] or more. If there is no trap, oil can accumulate inside the pipe, causing a shortage of oil damaging the compressor.
  • Page 10 unit 2 unit 2 unit 1 unit 1 h2 = 0.1 m (3-15/16 in) max h2 > 0.1 m (3-15/16 in) h1 = 0.2 m (7-7/8 in) max h1 > 0.2 m (7-7/8 in) The NG example shows that oil accumulates into unit 1 while unit 2 is in operation, and unit 1 is stopped. Vertical pipe height (h) should be 0.2 m (7-7/8 in) or below. unit 1 unit 1 unit 2...
  • Page 11 10.2 [Fig. 10.2.1] <A> Service valve for refrigerant <B> Service valve for refrigerant (Liquid side/brazed for PQHY-P series) (Gas side/brazed for PQHY-P series) (High-pressure side/brazed for PQRY-P series) (Low-pressure side/brazed for PQRY-P series) A : Shaft B : Service port C : Cap D : Pinched connecting pipe severing portion E : Pinched connecting pipe brazing portion...
  • Page 12 10.2 A Shape PQHY P200YLM P250YLM P300YLM P350YLM P400YLM P450YLM P500YLM P550YLM P600YLM PQRY P200YLM P250YLM P300YLM P350YLM P400YLM P450YLM P500YLM P550YLM P600YLM A Shape PQHY P200YLM P250YLM P300YLM P350YLM P400YLM P450YLM P500YLM P550YLM P600YLM PQRY P200YLM P250YLM P300YLM P350YLM P400YLM P450YLM P500YLM...
  • Page 13 10.3 [Fig. 10.3.1] [Fig. 10.3.2] A : Nitrogen gas A : System analyzer B : To indoor unit B : Low knob C : System analyzer C : High knob D : Low knob D : Valve (heat source unit) E : High knob E : Low-pressure/liquid F : Valve...
  • Page 14 10.5 [Fig. 10.5] A : Position the edge of the supplied paper with mark at the edge of the pipe cover. Then, wind the sealing material to the pipe, using the mark on the paper to properly align it. B : Extend the field-supplied insulation all the way to the end of the sealing material described in step A.
  • Page 15 11.2 [Fig. 11.2.1] Power supply terminal block Terminal block for indoor – Terminal block for (TB1) outdoor transmission line centralized control (TB3) (TB7) Control Box L1 L2 L3 N A : Power source B : Transmission line C : Earth terminal [Fig.
  • Page 16 11.3 [Fig. 11.3.1] PQHY <A> Change the jumper connector CN41 CN40 from CN41 to CN40 *1 (51) <B> SW5-1:ON *2 (01) (04) (05) (06) M1 M2 M1 M2 S M1 M2 S M1 M2 S M1 M2 S M1M2 S (101) (105) (155)
  • Page 17 11.3 [Fig. 11.3.3] PQHY (52) (51) M1M2 S M1M2 S CN41 CN41 A B S M1 M2 M1 M2 M1M2 S M1M2 S M1M2 S M1M2 S A : Earth • ( ) Address • Daisy-chain terminals (TB3) on heat source units in the same refrigerant system together. •...
  • Page 18 11.3 [Fig. 11.3.5] PQRY <A> Change the jumper connec- CN41 CN40 tor from CN41 to CN40 *1 (51) <B> SW5-1:ON *2 (52) (01) (04) (55) (05) (06) TB02 TB02 TB15 TB15 TB15 TB15 M1 M2 S M1 M2 S M1 M2 M1 M2 M1 M2 S M1 M2 S...

  • Page 19: Table Of Contents

    Make sure you follow them. • Always use filters and other accessories specified by Mitsubishi Electric. - Ask an authorized technician to install the accessories. Improper Symbols used in the text installation by the user may result in water leakage, electric shock, or fire.

  • Page 20: Precautions For Devices That Use R410A Refrigerant

    power supply described in this manual if local regulations are not available. • Do not install the unit on or over things that are subject to water • Pay special attention to the place of installation, such as a basement, damage.

  • Page 21: About The Product

    2. About the product • This unit uses R410A-type refrigerant. • Do not use the existing piping, as it contains chlorine, which is found in conventional refrigerating machine oil and refrigerant. This chlorine will • Piping for systems using R410A may be different from that for systems using deteriorate the refrigerant machine oil in the new equipment.

  • Page 22: Specifications

    4. Specifications PQHY-P·YLM-A1, PQHY-P·YLM-A2 Model P200YLM P250YLM P300YLM P350YLM P400YLM P450YLM P500YLM P550YLM P600YLM Sound pressure level 46 dB <A> 48 dB <A> 54 dB <A> 52 dB <A> 52 dB <A> 54 dB <A> 54 dB <A> 56.5 dB <A> 56.5 dB <A>...

  • Page 23: Parts List

    5. Parts list • Check if the unit is shipped with the parts listed below. • For precautions, see section 10.2. PQHY-P·YLM-A1, PQHY-P·YLM-A2 Model 1 Connecting elbow 2 Connecting elbow 3 Connecting pipe 4 Connecting pipe 5 Connecting pipe 6 Connecting pipe 7 Connecting pipe 8 Water stopper 9 Water stopper...

  • Page 24: Installation

    Note: The figure above shows a sample water circuit. This circuit is provided only pipes against breakage and bending. as a reference, and Mitsubishi Electric Corporation shall not be held for any problems arising from the use of this circuit.

  • Page 25: Pump Interlock

    8.5. Water flow rate control 2 Water quality standard Low to mid-range Tendency Precautions on installation work for water flow rate control are as follows. temperature water system Recirculating 1 Check that the water circuit parts required for water flow rate control are Items water Make-up...

  • Page 26: Refrigerant Piping Installation

    - It may also be in violation of applicable laws. 3 Use care to prevent dust, water or other contaminants from entering the - MITSUBISHI ELECTRIC CORPORATION cannot be held responsible piping during installation. for malfunctions or accidents resulting from the use of the wrong type of 4 Reduce the number of bending portions as much as possible, and make refrigerant.

  • Page 27: Refrigerant Piping System

    2 change, make sure to use the appropriate pipe size for the model. Contact Mitsubishi Electric for more details. (Refer to item 10.2. for details of the piping connection and valve operation)

  • Page 28: Additional Refrigerant Charge

    Precautions for heat source unit combinations Refer to [Fig. 9.2.3] for the positioning of twinning pipes. [Fig. 9.2.3] (P.9) <A> When the piping (from the twinning pipe) exceeds 2 m [6 ft], include a trap (gas pipe only) within 2 m [6 ft]. Make sure the height of the trap is 200 mm [7-7/8 in] or more.
  • Page 29 For PQHY-P·Y(S)LM-A1, PQHY-P·Y(S)LM-A2 For PQRY-P·Y(S)LM-A1, PQRY-P·Y(S)LM-A2 <Additional Charge> <Additional charge> • Piping length from outdoor unit to the farthest indoor unit ≤ 30.5 m [100 ft]: • Piping length from outdoor unit to the farthest indoor unit ≤ 30.5 m [100 ft]: Use table [A].

  • Page 30: Precautions Concerning Piping Connection And Valve Operation

    Limitation of the amount of refrigerant to be charged The above calculation result of the amount of refrigerant to be charged must become below the value in the table below. For PQHY-P·Y(S)LM-A1, PQHY-P·Y(S)LM-A2 Heat source unit model P200 P250 P300 P350 P400 P400S...

  • Page 31: Airtight Test, Evacuation, And Refrigerant Charging

    N To indoor unit O Heat source unit - It may also be in violation of applicable laws. - MITSUBISHI ELECTRIC CORPORATION cannot be held responsible for malfunctions or accidents resulting from the use of the wrong type of refrigerant.

  • Page 32: Thermal Insulation Of Refrigerant Piping

    10.5. Installing the water stopper Because the refrigerant used with the unit is nonazerotropic, it must be charged in the liquid state. Consequently, when charging the unit with Make sure to install the supplied water stopper and sealing material when refrigerant from a cylinder, if the cylinder does not have a siphon pipe, providing insulation.

  • Page 33: Wiring (For Details, Refer To The Installation Manual Of Each Unit And Controller.)

    11. Wiring (For details, refer to the installation manual of each unit and controller.) 11.1. Caution 6 Use 2-core shield cable for the transmission line. If transmission lines of different systems are wired with the same multiplecore cable, the resultant 1 Follow ordinance of your governmental organization for technical standard poor transmitting and receiving will cause erroneous operations.
  • Page 34 2 Wiring examples • Controller name, symbol and maximum number of controllers. Name Code Possible unit connections Heat source unit Main unit – (*2) Sub unit – (*2) BC controller Main unit 1 controller for 1 OC (0 when an HB exists) Sub unit 0, 1 or 2 controllers for 1 OC HBC controller...

  • Page 35: Wiring Of Main Power Supply And Equipment Capacity

    <Maximum Lengths> 1 ME Remote controller [Fig. 11.3.1] [Fig. 11.3.4] (P.16, 17) • Max length via heat source units (M-NET cable): L and L and L ≤ 500 m [1,640 ft] (1.25 mm [AWG 16] or more) • Max transmission cable length (M-NET cable): L and L and L and L...

  • Page 36: Test Run

    12. Test run 12.1. The following phenomena do not represent faults. Phenomenon Display of remote controller Cause Indoor unit does not perform cooling “Cooling (heating)” flashes When another indoor unit is performing the heating (cooling) operation, the (heating) operation. cooling (heating) operation is not performed. The auto vane rotates and begins to blow air Normal display If air has been blowing downward for 1 hour during cooling, the unit may...
  • Page 37 INDOOR 27 / 19 INDOOR 20 / - DB / WB °C CIRCULATING WATER 30 CIRCULATING WATER 20 Contains fluorinated greenhouse gases. MANUFACTURER: MITSUBISHI ELECTRIC CORPORATION AIR-CONDITIONING & REFRIGERATION SYSTEMS WORKS 5-66, TEBIRA, 6-CHOME, WAKAYAMA CITY, JAPAN MADE IN JAPAN...
  • Page 38 This product is designed and intended for use in the residential, commercial and light-industrial environment. The product at hand is based on the following EU regulations: • Low Voltage Directive 2014/35/EU • Electromagnetic Compatibility Directive 2014/30/EU • Pressure Equipment Directive 2014/68/EU •...

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