Mitsubishi Electric PUMY-SP112 Installation Manual
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Mitsubishi Electric PUMY-SP112 Installation Manual

City multi, for use with r410a
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Air-Conditioners
PUMY-SP112, SP125, SP140VKMD
PUMY-SP112, SP125, SP140YKMD
INSTALLATION MANUAL
For safe and correct use, read this manual and the indoor unit installation manual thoroughly before installing
the air-conditioner unit.
For use with R410A
FOR INSTALLER
English (GB)

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  • Page 1 Air-Conditioners PUMY-SP112, SP125, SP140VKMD PUMY-SP112, SP125, SP140YKMD For use with R410A INSTALLATION MANUAL FOR INSTALLER English (GB) For safe and correct use, read this manual and the indoor unit installation manual thoroughly before installing the air-conditioner unit.

  • Page 2: Table Of Contents

    Contents 1. Safety precautions ..................2 6. Electrical work ..................15 2. Installation location ..................4 7. Test run ....................24 3. Installing the outdoor unit ................7 8. Special functions ..................25 4. Installing the refrigerant piping ..............7 9. Installation and operation manual for demand response (DRED) ... 26 5.
  • Page 3 1. Safety precautions 1.1. Before installation Caution: • Do not use the unit in an unusual environment. If the air conditioner is installed • When installing the unit in a hospital or communications office, be prepared for in areas exposed to steam, volatile oil (including machine oil), or sulfuric gas, noise and electronic interference. Inverters, home appliances, high-frequency areas exposed to high salt content such as the seaside, or areas where the medical equipment, and radio communications equipment can cause the air conditioner to malfunction or breakdown. The air conditioner may also affect unit will be covered by snow, the performance can be significantly reduced and the internal parts can be damaged. medical equipment, disturbing medical care, and communications equipment, • Do not install the unit where combustible gases may leak, be produced, flow, harming the screen display quality. or accumulate. If combustible gas accumulates around the unit, fire or explo- sion may result. • The outdoor unit produces condensation during the heating operation. Make sure to provide drainage around the outdoor unit if such condensation is likely to cause damage. 1.2. Before installation (relocation) Caution: • Be extremely careful when transporting the units. Two or more persons are • Do not clean the air conditioner unit with water. Electric shock may result. needed to handle the unit, as it weighs 20 kg or more. Do not grasp the pack- • Tighten all flare nuts to specification using a torque wrench. If tightened too much, the flare nut can break after an extended period and refrigerant can aging bands. Wear protective gloves to remove the unit from the packaging and to move it, as you can injure your hands on the fins or other parts. leak out. • Be sure to safely dispose of the packaging materials. Packaging materials, such as nails and other metal or wooden parts may cause stabs or other injuries.

  • Page 4: Installation Location

    2. For the next step, make sure that the total rated capacity selected will stay in a range of 50% – 130% of the outdoor unit capacity. • PUMY-SP112 6.3 – 16.2 kW • PUMY-SP125 7.1 – 18.2 kW • PUMY-SP140 8.0 – 20.2 kW...
  • Page 5 2. Installation location 2.4. Connecting a PEFY-P∙VMA3-E When using a PEFY-P∙VMA3-E, use the following combinations for the connected indoor units. PUMY-SP112 PUMY-SP125 PUMY-SP140 PEFY-P25VMA3-E × 2 PEFY-P25VMA3-E × 1 PEFY-P32VMA3-E × 2 PEFY-P32VMA3-E × 2 PEFY-P32VMA3-E × 3 PEFY-P40VMA3-E × 2 All combinations excluding the above All combinations excluding the above All combinations excluding the above...
  • Page 6 2. Installation location 2.5. Ventilation and service space 2.5.1. When installing a single outdoor unit 2.5.2. When installing multiple outdoor units Minimum dimensions are as follows, except for Max., meaning Maximum dimen- Leave 25 mm space or more between the units. 1 Obstacles at rear only (Fig. 2-8) sions, indicated. Refer to the figures for each case. 2 Obstacles at rear and above only (Fig. 2-9) 1 Obstacles at rear only (Fig.

  • Page 7: Installing The Outdoor Unit

    2. Installation location 2.5.3. Windy location installation When installing the outdoor unit on a rooftop or other location unprotected from the wind, situate the air outlet of the unit so that it is not directly exposed to strong winds. Strong wind entering the air outlet may impede the normal airflow and a malfunction may result. The following shows two examples of precautions against strong winds. 1 Install an optional air guide if the unit is installed in a location where strong winds from a typhoon, etc.
  • Page 8 4. Installing the refrigerant piping 4.1.1. Connection without Branch box (Fig. 4-1) A+B+C+D+a+b+c+d+e [ 120 m L = A+B+C+D+e [ 70 m (mm) ℓ = B+C+D+e [ 50 m A Liquid pipe B Gas pipe H [ 50 m (Outdoor lower H [ 30 m) ø9.52 ø15.88 h [ 15 m L: The farthest piping length from the outdoor unit to an indoor unit.
  • Page 9 4. Installing the refrigerant piping Selecting pipe size (Fig. 4-3) I In case of using 1-branch box Flare connection employed. (No. brazing) The piping connection size differs according to the type and capacity of indoor units. Match the piping connec- Liquid (mm) ø9.52 tion size of branch box with indoor unit. Branch box (PAC-MK∙BC) If the piping connection size of branch box does not match the piping connection size of indoor unit, use optional different-diameter (deformed) joints to the Gas (mm)
  • Page 10 4. Installing the refrigerant piping 4.1.3. Mixed system (City Multi indoor units and M/S/P series indoor units via Branch box) 4.1.3-1 In case of using 1-branch box A Outdoor Unit B First joint (CMY, MSDD) C Branch header (CMY) D Branch box (PAC-MK∙BC) E CityMulti Indoor unit F M/S/P series Indoor unit Permissible Total piping length e1 + d1 + d2 + c1 + c2 + b1 + b2 + a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8 [ 120 m length (One-way) Farthest piping length (L1) e1 + d2 + a1 or e1 + d1 + c1 + b2 [ 70 m...
  • Page 11 4. Installing the refrigerant piping 4.1.3-3 Selecting pipe size System pipe size Pipe size A, B, C, D, E A Outdoor Unit B First joint (CMY, MSDD) A Liquid pipe B Gas pipe C Branch header (CMY) ø9.52 ø15.88 · D Branch box (PAC-MK E City Multi Indoor unit L1: The farthest piping length from the outdoor unit to an indoor unit. L2: The farthest piping length for the main pipes from the outdoor unit to the branch F M/S/P series Indoor unit box.
  • Page 12 4. Installing the refrigerant piping 4.2. Connecting pipes (Fig. 4-8) 45°± 2° Fig. 4-1, 4-2 is a sample of piping system. • Conduct sufficient anti-condensation and insulation work to prevent water dripping from the refrigerant piping. (liquid pipe/gas pipe) • Increase insulation depending on the environment where the refrigerant piping is installed, or condensation may occur on the surface of the insulation material. (Insulation material Heat-resistant temperature: 120 °C, Thickness: 15 mm or more) * When the refrigerant piping is used in locations subject to high temperature and humidity such as in the attic, further addition of insulation may be required.
  • Page 13 4. Installing the refrigerant piping 4.3. Refrigerant piping (Fig. 4-10) Remove the service panel D (three screws) and the front piping cover A (two screws) and rear piping cover B (five screws). 1 Perform refrigerant piping connections for the indoor/outdoor unit when the outdoor unit’s stop valve is completely closed. 2 Vacuum-purge air from the indoor unit and the connection piping. 3 After connecting the refrigerant pipes, check the connected pipes and the indoor unit for gas leaks.
  • Page 14 4. Installing the refrigerant piping 4.5. Stop valve opening method The stop valve opening method varies according to the outdoor unit model. Use the appropriate method to open the stop valves. (1) Gas side (Fig. 4-12) Remove the cap and turn the valve rod counterclockwise as far as it will go with the use of a 5 mm hexagonal wrench. Stop turning when it hits the stopper. (ø15.88: Approximately 13 revolutions) Make sure that the stop valve is open completely and rotate the cap back to its original position.

  • Page 15: Drainage Piping Work

    5. Drainage piping work Outdoor unit drainage pipe connection When drain piping is necessary, use the drain socket or the drain pan (option). Drain socket PAC-SG61DS-E Drain pan PAC-SH97DP-E 6. Electrical work 6.1. Caution 1 Follow ordinance of your governmental organization for technical standard related 8 In case to connect with the upper class controller or to conduct group operation in to electrical equipment, wiring regulations and guidance of each electric power different refrigerant systems, the control line for transmission is required between company.
  • Page 16 Name Symbol Allowable number of controllers • Cable diameter: More than 1.25 mm Outdoor unit controller – • Maximum wiring length: Within 200 m PUMY-SP112 1 to 9 units per 1 OC *1 2. M-NET Remote control cables M-IC PUMY-SP125 1 to 10 units per 1 OC *1 PUMY-SP140 1 to 12 units per 1 OC *1...
  • Page 17 6. Electrical work ■ ■ M-NET Remote Controller MA Remote Controller M-IC M-IC M-IC M-IC M-IC M-IC M-IC M-IC (51) (51) (01) (02) (05) (06) (01) (02) (05) (06) M1M2S M1M2S M1M2S M1M2S TB15 TB15 TB15 TB15 M1 M2 S M1 M2 S M1 M2 S (105) (155) (101)
  • Page 18 6. Electrical work System chart <mixed system with branch boxes and City Multi indoor units> [1] Basic system [2] Incorrect systems OC: Outdoor unit 1 Group operation by MA 2 Group operation between different BC: Branch box remote controller refrigerant systems M-IC: M-Net control Indoor unit (City Multi indoor unit) A-IC: A-control indoor unit (M, P, S series indoor unit) MA-RC: MA remote controller M-NET RC: M-NET remote controller WL-RC: Wireless remote controller (3-branch type)
  • Page 19 6. Electrical work Schematic Drawing of Wiring Connection with Branch Box (Example) (Fig. 6-8) <When power is supplied from the outdoor unit> ■ PUMY-SP·VKMD S1/S2/S3 ~/N 220-230-240 V 50 Hz B1/B2 ~/N 220 V 60 Hz S1/S2/S3 S1/S2/S3 ■ PUMY-SP·YKMD S1/S2/S3 3N~380-400-415 V 50 Hz S1/S2/S3 L1/L2/L3/N 3N~380 V 60 Hz S1/S2/S3 <When power is supplied separately> ■ PUMY-SP·VKMD ~/N 220-230-240 V 50 Hz ~/N 220 V 60 Hz ~/N 220-230-240 V 50 Hz ~/N 220 V 60 Hz S1/S2/S3 S1/S2/S3 ■ PUMY-SP·YKMD S1/S2/S3 S1/S2/S3 S1/S2/S3 S1/S2/S3 3N~380-400-415 V 50 Hz L1/L2/L3/N 3N~380 V 60 Hz Fig. 6-8 Schematic Drawing of Wiring: Mixing system (Fig. 6-9) <When power is supplied from the outdoor unit>...
  • Page 20 6. Electrical work Thickness of Wire for Main Power Supply and On/Off Capacities Minimum Wire Thickness (mm²) Breaker for Power supply Breaker for Current Leakage Model Wiring *1 Main Cable Ground When power is supplied 32 A 32 A 30 mA 0.1 sec. or less separately ~ /N 220-230-240 V 50 Hz ~ /N 220 V 60 Hz When power is supplied from 40 A 40 A 30 mA 0.1 sec.
  • Page 21 6. Electrical work <Example of “F2” calculation> Sample chart Condition PEFY-VMS1 × 4 + PEFY-VMA × 1, C = 8 (refer to right sample chart) F2 = 19.8 × 4/8 + 38 × 1/8 6000 = 14.65 *3 Current sensitivity is calculated using the following formula. G1 = {V2 × (Quantity of Type1)} + {V2 × (Quantity of Type2)} + ··· + {V2 × (Quantity of Type16)} SAMPLE + {V3 × (Wire length[km])} Current sensitivity 30 or less 30 mA 0.1 sec or less 100 or less 100 mA 0.1 sec or less...
  • Page 22 6. Electrical work 6.5. Address setting Switch address setting Branch Box M, S, P CITY MULTI Outdoor Series Series Indoor Address Connection Setting Indoor – ON: Indoor connect Switch OFF: No connection None tens digit ones digit tens digit ones digit tens digit ones digit (SW1-6 not use) SWU2 SWU1 SW12 SW11 SW12...
  • Page 23 6. Electrical work Ex3. Outdoor + Branch <1> (M, S, P Series Indoor A, B, C, D, E) + Branch <2> (M, S, P Series Indoor A, B, C) + CITY MULTI Series Indoor <1> + CITY MULTI Series Indoor <2> Branch-Box <1> *1 Outdoor address address (01) *2 Branch Box <1> start address + 50 = 01 + 50 = 51 SW1 1, 2, 3, 4, 5 ON *2 Branch Box <1> Outdoor A-port address = Start address = 01 M, S, P Series Indoor address (01) = A-port B-port address = Start address + 1 = 02 M, S, P Series Indoor (51) *1 (02) = B-port...

  • Page 24: Test Run

    7. Test run 7.1. Before test run ► After completing installation and the wiring and piping of the indoor and 3. After connecting the wires to the compressor, the compressor will start to warm outdoor units, check for refrigerant leakage, looseness in the power supply up after power is supplied. After supplying power for the times indicated below, or control wiring, wrong polarity, and no disconnection of one phase in the measure the insulation resistance again. supply.

  • Page 25: Special Functions

    8. Special functions 8.1. OUTDOOR UNIT INPUT/OUTPUT CONNECTOR • State (CN51) A Distant control board E Lamp power supply B Relay circuit F Procure locally C External output adapter (PAC-SA88HA-E) G Max. 10 m CN51 D Outdoor unit control board L1: Error display lamp L2: Compressor operation lamp X, Y: Relay (Coil standard of 0.9W or less for DC 12V) X, Y: Relay (DC1mA) • Demand Response Mode (CN3S, CN3D)

  • Page 26: Installation And Operation Manual For Demand Response (Dred)

    9. Installation and operation manual for demand response (DRED) This unit has demand response capability which is compliant with AS/NZS 4755.3.1: 2012. To activate this function, you need to make a contract with remote agents such as electric supply company, then this unit should be connected to Demand response enabling devise (DRED). For further information, consult your dealer. This unit supports 3 Demand Response Modes (DRMs): DRM1, DRM2 and DRM3. WARNING ■ Ask your dealer or technical representative to install the unit.
  • Page 27 9. Installation and operation manual for demand response (DRED) 9.1. Parts List ● ACCESSORIES ● PARTS TO BE PROVIDED AT YOUR SITE (Check the following parts before installation.) Band x1 DRM cable x1 9.2. Installation procedure ■ ■ PUMY-SP•VKMD PUMY-SP•YKMD 1 Band Fix the DRM cable TBD1 with lead wire. TBD1 TB1B A DRM cable A DRM cable Pass the DRM cable between TB1 Valve bed Valve bed and TB1B.
  • Page 28 9. Installation and operation manual for demand response (DRED) 9.4. Demand response mode This unit has demand response capability which is compliant with AS/NZS 4755.3.1: 2012. To activate this function, you need to make a contract with remote agents such as electric supply company, then this unit should be connected to Demand response enabling devise (DRED). For further information, consult your dealer. Demand response represents the automated alteration of an electrical product’s normal mode of operation in response to an initiating signal originating from or defined by a remote agent.
  • Page 32 This product is designed and intended for use in the residential, commercial and light-industrial environment. Please be sure to put the contact address/telephone number on this manual before handing it to the customer. HEAD OFFICE: TOKYO BUILDING, 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN Made in Thailand RG79Y960H01 Printed in Thailand...

This manual is also suitable for:

Pumy-sp125Pumy-sp140vkmd

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