Mitsubishi Heavy Industries SRK63ZR-W Technical Manual
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Mitsubishi Heavy Industries SRK63ZR-W Technical Manual

Inverter wall mounted type residential air-conditioners, split system, air to air heat pump type
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TECHNICAL MANUAL
INVERTER WALL MOUNTED TYPE
RESIDENTIAL AIR-CONDITIONERS
(Split system, air to air heat pump type)
SRK63ZR-W
71ZR-W
80ZR-W
Manual No.'18•SRK-T-253

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Summary of Contents for Mitsubishi Heavy Industries SRK63ZR-W

  • Page 1 Manual No.'18•SRK-T-253 TECHNICAL MANUAL INVERTER WALL MOUNTED TYPE RESIDENTIAL AIR-CONDITIONERS (Split system, air to air heat pump type) SRK63ZR-W 71ZR-W 80ZR-W...

  • Page 2: Table Of Contents

    '18 • SRK-T-253 CONTENTS 1. SPECIFICATIONS ..................2. EXTERIOR DIMENSIONS ................(1) Indoor units ................... (2) Outdoor units ..................(3) Remote control ..................10 3. ELECTRICAL WIRING ................. 13 (1) Indoor units ................... 13 (2) Outdoor units ..................14 4. NOISE LEVEL ....................15 5.
  • Page 3 '18 • SRK-T-253 10. MAINTENANCE DATA ................. 54 (1) Cautions ....................54 (2) Items to check before troubleshooting ..........54 (3) Troubleshooting procedure (If the air-conditioner does not run at all) ..54 ......55 (4) Troubleshooting procedure (If the air-conditioner runs) (5) Self-diagnosis table ................

  • Page 4: Specifications

    '18 • SRK-T-253 1. SPECIFICATIONS 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 SRK63ZR-W Model Power source 1 Phase, 220 - 240V, 50Hz / 220V, 60Hz n i l y t i ) ) . y t i ) ) . Heating capacity (H2) － n i l 1.63...
  • Page 5 '18 • SRK-T-253 SRK71ZR-W Model Power source 1 Phase, 220 - 240V, 50Hz / 220V, 60Hz n i l y t i ) ) . y t i 10.8 ) ) . Heating capacity (H2) － n i l 1.93 Power consumption 1.95 Heating (H2)
  • Page 6 '18 • SRK-T-253 SRK80ZR-W Model Power source 1 Phase, 220 - 240V, 50Hz / 220V, 60Hz n i l y t i ) ) . 11.2 y t i ) ) . Heating capacity (H2) － n i l 2.09 0.48 Power consumption 2.27...
  • Page 7 Packing material weight list Unit: kg Material Packing Metal Paper Gross parts Glass Plastic Wood Others weight weight Aluminium Steel board Model (Total) SRK63ZR-W 19.5 2.64 0.00 0.77 1.87 0.00 0.00 0.00 0.00 Indoor SRK71ZR-W 19.5 2.64 0.00 0.77 1.87 0.00 0.00 0.00...

  • Page 8: Exterior Dimensions

    '18 • SRK-T-253 2. EXTERIOR DIMENSIONS (1) Indoor units Models SRK63ZR-W, 71ZR-W, 80ZR-W RLD000Z005...

  • Page 9: Outdoor Units

    '18 • SRK-T-253 (2) Outdoor units Model SRC63ZR-W RCT000Z031...
  • Page 10 '18 • SRK-T-253 Model SRC71ZR-W, 80ZR-W RCR000Z038...

  • Page 11: Remote Control

    '18 • SRK-T-253 (3) Remote control (3) Remote control (a) Wireless remote control Unit : mm...
  • Page 12 '18 • SRK-T-253 (b) Wired remote control (Option parts) Interface kit (SC-BIKN-E, SC-BIKN2-E) is required to use the wired remote control. When RC-EX3A is connected, please use SC-BIKN2-E by all means. Model RC-EX3A Installation space Dimensions (Viewed from front) 30mm 30mm Wiring 配線...
  • Page 13 '18 • SRK-T-253 Model RC-E5 Wiring outlet Cut off the upper thin part of remote control lower case with a nipper or knife, Exposed mounting and grind burrs with a file etc. In case of pulling out In case of pulling out from upper left from center 0.3mm...

  • Page 14: Electrical Wiring

    '18 • SRK-T-253 3. ELECTRICAL WIRING (1) Indoor units Models SRK63ZR-W, 71ZR-W, 80ZR-W RWA000Z417...

  • Page 15: Outdoor Units

    '18 • SRK-T-253 (2) Outdoor units Models SRC63ZR-W, 71ZR-W, 80ZR-W RCR000Z039...

  • Page 16: Noise Level

    '18 • SRK-DB-252 '18 • SRK-T-253 4. NOISE LEVEL 4. NOISE LEVEL (1) Sound power level (1) Sound power level Model SRK63ZR-W Model SRK63ZR-W (Indoor unit) Condition ISO5151 T1/H1 Model SRK63ZR-W Cooling 56 dB(A) MODE Rated capacity value (Hi) Noise...
  • Page 17 '18 • SRK-DB-252 '18 • SRK-T-253 '18 • SRK-DB-252 Model SRK71ZR-W Model SRK71ZR-W Model SRK71ZR-W (Indoor unit) Condition ISO5151 T1/H1 Model SRK71ZR-W (Indoor unit) Condition ISO5151 T1/H1 Cooling 57 dB(A) MODE Rated capacity value (Hi) Noise Model SRK71ZR-W level Heating 60 dB(A) Cooling 57 dB(A)
  • Page 18 '18 • SRK-DB-252 '18 • SRK-T-253 '18 • SRK-DB-252 Model SRK80ZR-W Model SRK80ZR-W Model SRK80ZR-W (Indoor unit) Condition ISO5151 T1/H1 Model SRK80ZR-W (Indoor unit) Condition ISO5151 T1/H1 Cooling 60 dB(A) MODE Rated capacity value (Hi) Noise Model SRK80ZR-W level Heating 62 dB(A) Cooling 60 dB(A)
  • Page 19 '18 • SRK-DB-252 (2) Sound pressure level (2) Sound pressure level (2) Sound pressure level Condition Condition ISO5151 T1/H1 ISO5151 T1/H1 Model SRK63ZR-W Model SRK63ZR-W Model SRK63ZR-W (2) Sound pressure level (2) Sound pressure level Condition ISO5151 T1/H1 Condition ISO5151 T1/H1...
  • Page 20 '18 • SRK-DB-252 '18 • SRK-T-253 Model SRK71ZR-W Condition ISO5151 T1/H1 Model SRK71ZR-W MODE Rated capacity value Mike position (Indoor unit) Model SRK71ZR-W 0.8m Cooling 44 dB(A) Noise Unit Mike position level Heating 46 dB(A) (Center & low points) Cooling Heating 1000 2000...
  • Page 21 '18 • SRK-DB-252 '18 • SRK-T-253 Model SRK80ZR-W Condition ISO5151 T1/H1 Model SRK80ZR-W MODE Rated capacity value Mike position (Indoor unit) Model SRK80ZR-W 0.8m Cooling 47 dB(A) Noise Unit Mike position level Heating 47 dB(A) (Center & low points) Cooling Heating 1000 2000...

  • Page 22: Piping System

    '18 • SRK-T-253 5. PIPING SYSTEM Model SRK63ZR-W Cooling cycle Heating cycle Indoor unit Outdoor unit Outdoor air Flare temp. sensor connection Service valve (TH2) (Gas) Discharge pipe temp. sensor Gas pipe Check joint Heat (φ12.7) (TH3) Humidity exchanger Muffler...
  • Page 23 '18 • SRK-T-253 Model SRK80ZR-W Cooling cycle Heating cycle Indoor unit Outdoor unit Outdoor air Flare temp. sensor connection Service valve (TH2) (Gas) Discharge pipe temp. sensor Gas pipe Check joint Heat (TH3) (φ15.88) Humidity exchanger Muffler sensor sensor (Th3) (Th2 Muffler 4-way valve...

  • Page 24: Range Of Usage & Limitations

    6. RANGE OF USAGE & LIMITATIONS 6. RANGE OF USAGE & LIMITATIONS Model SRK25ZJP-S1, 35ZJP-S1 SRK50ZJP-S1 SRK63ZR-W,71ZR-W,80ZR-W Item Cooling operation : Approximately 18 to 32℃ DB Indoor return air temperature Heating operation : Approximately 15 to 30℃ DB (Upper, lower limits) (Refer to the selection chart) Cooling operation : Approximately -15 to 46℃...
  • Page 25 (3) Correction relative to frosting on outdoor heat exchanger during heating Air inlet temperature of 5 or more outdoor unit in °C WB Adjustment coefficient 0.95 0.95 0.94 0.93 0.91 0.88 0.86 0.87 0.92 1.00 How to obtain the cooling and heating capacity SRK63ZR-W 6.1k SRK63ZR-W...

  • Page 26: Capacity Tables

    '18 • SRK-T-253 7. CAPACITY TABLES Model SRK63ZR-W Cooling mode (kW) Heating mode (kW) Indoor air temp. Outdoor Indoor air temp. Outdoor Air flow air temp. ℃DB ℃DB ℃DB ℃DB ℃DB ℃DB ℃DB Air flow air temp. ℃WB 16℃ DB 18℃...

  • Page 27: Application Data

    '18 • SRK-T-253 RLD012A018 8. APPLICATION DATA RLD012A018 Model SRK63,71,80,100ZR Model SRK63,71,80,100ZR R32/R410A REFRIGERANT USED (1) Installation of indoor unit INSTALLATION MANUAL FOR INDOOR UNIT R32/R410A REFRIGERANT USED INSTALLATION MANUAL FOR INDOOR UNIT • • This installation manual deals with an indoor unit installation only. For an outdoor unit installation, refer to page 30. •...
  • Page 28 '18 • SRK-T-253 2. SELECTING INSTALLATION LOCATION After getting customer’s approval, select installation location according to following guidelines. 10 cm minimum from the ceiling Installation example 1. Indoor unit Installation board • Where there is no obstruction to the air ow and where the cooled and heated air can be evenly distributed.
  • Page 29 '18 • SRK-T-253 6. FORMING PIPING AND DRAIN HOSE 1. Forming piping Forming of pipings. Taping of the exterior Piping is possible in the right, rear, downward, left, left rear or left downward direction. • Hold the bottom of the piping and x direction •...
  • Page 30 '18 • SRK-T-253 RLD012A018 10. HOW TO OPEN, CLOSE, REMOVE AND INSTALL 11. HOW TO REMOVE AND INSTALL FRONT PANEL THE AIR INLET PANEL 1. Open 1. Removing Air inlet panel Pull the air inlet panel at both ends of lower part (1) Remove the air inlet panel and the air lters.

  • Page 31: Installation Of Outdoor Unit

    '18 • SRK-T-253 RCT012A220 (2) Installation of outdoor unit Model SRC63,71,80ZR-W INSTALLATION MANUAL FOR OUTDOOR UNIT R32 REFRIGERANT USED • This installation manual deals with an outdoor unit installation only. For an indoor unit installation, refer to page 26. SAFETY PRECAUTIONS •...
  • Page 32 '18 • SRK-T-253 2. OUTDOOR UNIT INSTALLATION Note as a unit designed for R32 3. Installation space Inlet • Do not use any refrigerant other than R32. R32 will rise to pressure about 1.6 times higher than that of • There must be 1 meter or larger space between the unit and Service space a conventional refrigerant.
  • Page 33 '18 • SRK-T-253 4. CONNECTING PIPING WORK 1. Restrictions on unit installation 4. Evacuation Abide by the following restrictions on unit installation. (1) Connect vacuum pump to gauge manifold. Connect charge hose of gauge manifold to service port of outdoor unit. Improper installation can cause compressor failure or performance degradation.
  • Page 34 '18 • SRK-T-253 RCT012A220 6. PUMP DOWN (1) Connect charge hose of gauge manifold to service port of outdoor unit. Gauge manifold (2) Close the liquid operation valve with hexagonal wrench key. (3) Fully open the gas operation valve with hexagonal wrench key. (4) Carry out forced cooling operation (For forced cooling operation procedure, refer to indoor unit installation manual).

  • Page 35: Safety Precautions In Handling Air-Conditioners With Flammable Refrigerants

    '18 • SRK-T-253 WALL TYPE AIR-CONDITIONER RSA012A061B (3) Safety precautions in handling air-conditioners with flammable refrigerants R32 REFRIGERANT USED RSA012A061B WALL TYPE AIR-CONDITIONER R32 REFRIGERANT USED There is information included in the user’s manual and/or is leaked, together with an external ignition source, there is a installation manual.
  • Page 36 '18 • SRK-T-253 RSA012A061B CAUTION • 6. Repair to intrinsically safe components 13. Labelling • Do not apply any permanent inductive or • Equipment shall be labelled stating that it has been capacitance loads to the circuit without ensuring de-commissioned and emptied of refrigerant. The the working pressure is achieved, then venting to that this will not exceed the permissible voltage and label shall be dated and signed.

  • Page 37: Outline Of Operation Control By Microcomputer

    '18 • SRK-T-253 9. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER (1) Operation control function by wireless remote control Operation section Transmission section OPERATION MODE select button ON/OFF (luminous) button Each time the button is pressed, the mode changes. Press to start operation, press again to stop.

  • Page 38: Unit On/Off Button

    '18 • SRK-T-253 '09•SRK-DB-087D (2) Unit ON/OFF button wireless wireless (a) Operation (b) Details of operation COOL, DRY HEAT Function Indoor temperature Fan speed Flap/Louver Timer Switch setting Operation mode COOL Unit ON/OFF button HEAT (3) Auto restart function Jumper wire (JA1) (ii) (JA1) (4) Installing two air-conditioners in the same room...

  • Page 39: Selection Of The Annual Cooling Function

    '18 • SRK-T-253 (5) Selection of the annual cooling function The annual cooling control is valid from factory default setting. It is possible Jumper wire (JA3) to disable by cutting jumper wire (JA3), or changing the setting of dip switch (SW2-4) on the interface kit (option) PCB if it is connected.

  • Page 40: Flap And Louver Control

    ③ When the operation is retrieved from CLEAN or ALLERGEN CLEAR operation. (b) When the following operation are set, ECONOMY operation will be canceled. ① When the HI POWER/ECONO button is pressed again. '18 • SRK-T-253 ② When the operation mode is changed DRY to FAN. (c) Not operable while the air-conditioner is OFF.

  • Page 41: Auto Operation

    display Center installation Left Approx. 50° Left Approx. 20° Center Right Approx. 20° Right Approx. 50° '18 • SRK-T-253 (c) Swing (ii) In HEAT operation In COOL, DRY, FAN operation Approx. 5° Approx. 35° Approx. 60° Approx. 70° (d) Memory flap (Flap or Louver stopped) '09•SRK-DB-087D (e) When not operating (9) 3D auto operation...

  • Page 42: Timer Operation

    (11) Silent mode wireless As “Silent mode start” signal is received from the wireless remote control, it operates by dropping the outdoor fan tap and the compressor command speed. (a) Setting SRK63ZR-W SRK71ZR-W SRK80ZR-W Outdoor fan tap (Upper limit) 5th speed...

  • Page 43: Installation Location Setting

    Compressor ON(HOT KEEP) Indoor fan motor Outdoor fan motor (few minutes ON) 4-way valve (3 minutes ON) (b) Details of control at each operation mode (pattern) Fuzzy operation Model SRK63ZR-W SRK71ZR-W SRK80ZR-W Fan speed 12-120rps 20-116rps 20-120rps AUTO 12-120rps 20-116rps...
  • Page 44 Indoor fan motor Outdoor fan motor (few minutes ON) '18 • SRK-T-253 4-way valve (3 minutes ON) (b) Details of control at each operation mode (pattern) Fuzzy operation Model SRK63ZR-W SRK71ZR-W SRK80ZR-W Fan speed AUTO 12-120rps 20-116rps 20-120rps 12-120rps 20-116rps...

  • Page 45: Outline Of Cooling Operation

    (few minutes ON) (few minutes ON) 4-way valve 4-way valve (b) Detail of control in each mode (Pattern) (b) Detail of control in each mode (Pattern) Fuzzy operation Fuzzy operation Model SRK63ZR-W SRK71ZR-W SRK80ZR-W Model Fan speed SRK63ZR-W SRK71ZR-W SRK80ZR-W Fan speed...

  • Page 46: Outline Of Automatic Operation

    (17) Outline of automatic operation 12-106rps 20-76rps 20-98rps AUTO 12-106rps 20-76rps 20-98rps (a) Determination of operation mode 12-68rps 20-56rps 20-64rps '18 • SRK-T-253 12-50rps 20-40rps 20-46rps 12-32rps 20-26rps 20-26rps Cooling 27.5 (17) Outline of automatic operation (a) Determination of operation mode (a) Determination of operation mode 25.5 Operation mode is determined by indoor air temperature and outdoor air temperature as following.
  • Page 47 '18 • SRK-T-253 (ii) Contents of operation Air capacity control Model SRK63ZR-W SRK71ZR-W SRK80ZR-W Item Follow the table below Range A Upper limit of compressor’s command speed 40rps 40rps 45rps Range B Note (1) Ranges A and B are as shown below.
  • Page 48 Operating conditions:Reset conditions When the outdoor air temperature (TH2) has become continuously for 30 seconds at 38(37)℃ or more, with the compressor running, the lower limit speed of compressor is brought up. Model SRK63ZR-W Item Outdoor air temperature 38℃ or more 41℃...
  • Page 49 F rps Model 71, 80 0rps Indoor heat exchanger temperature (°C) P2-P3 P3-P4 5 seconds P1-P2 Temperature list Model SRK63ZR-W 54.5 - 56 RPSmin < 45 56.5 < = 57.0 RPSmin < 115 115 < = 45 - 43...

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