Mitsubishi P120 - Manual

Mitsubishi P120

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Table of Contents:

  • Page 2 – ii; Safety Precautions; Observe these safety precautions for your safety.; the risk of serious injury or death.; CAUTION; the risk of serious injury or damage to the unit.; WARNING; Do not touch the heat exchanger fins.; The fins are sharp and dangerous.
  • Page 3 – Do not try to defeat the safety features of the unit.
  • Page 4 – Precautions for handling units for use with R410A; Do not use the existing refrigerant piping.
  • Page 5 – iv; Before installing the unit; Do not install the unit where a gas leak may occur.; The unit is not designed to preserve food products.; Do not use the unit in an unusual environment.; Do not install the unit where a large amount of oil or steam
  • Page 6 – Properly ground the unit.
  • Page 7 – Before the test run; Turn on the unit at least 12 hours before the test run.
  • Page 8 – CONTENTS
  • Page 10 – Read Before Servicing
  • Page 12 – Read Before Servicing ]; Check the type of refrigerant used in the system to be serviced.
  • Page 13 – Tools and materials that must not be used with R410A
  • Page 14 – Copper pipe materials; that meet the local standards.; Do not use the existing piping!
  • Page 15 – nut; Dimension A
  • Page 16 – location; Use a minimum amount of oil.
  • Page 17 – Items to be strictly observed
  • Page 18 – ness, taking temperature variations into account.
  • Page 19 – Required precision of vacuum gauge; etrated the system or that there is a leak.
  • Page 20 – [10] Remedies to be taken in case of a Refrigerant Leak; Cylinder with a siphon; Cylinder without a siphon
  • Page 21 – [11] Characteristics of the Conventional and the New Refrigerants; property
  • Page 24 – II; Restrictions; [7] An Example of a System to which both MA Remote Controller and
  • Page 26 – of
  • Page 27 – [2] Types and Maximum allowable Length of Cables; work; nents on the terminal block.; Types and maximum allowable length of cables; Cable type
  • Page 28 – setting
  • Page 30 – (2) Power supply switch connector connection on the outdoor unit
  • Page 31 – Terminal
  • Page 32 – Example of wiring connection
  • Page 33 – control
  • Page 34 – Demand control
  • Page 38 – Shielded cable connection
  • Page 39 – (manual address setup for both indoor and outdoor units)
  • Page 43 – ered from an outdoor unit
  • Page 46 – b) When not daisy-chaining TB7's on the outdoor units in the
  • Page 50 – It is not necessary to set
  • Page 51 – (Equivalent length 190; Branch joint; Outdoor unit
  • Page 52 – First branch
  • Page 53 – pipe
  • Page 56 – III; Outdoor Unit Components
  • Page 58 – [1] Outdoor Unit Components and Refrigerant Circuit; Control
  • Page 60 – circuit
  • Page 63 – INV board
  • Page 65 – Outdoor unit control board
  • Page 66 – board
  • Page 72 – Filter
  • Page 76 – IV; Remote Controller
  • Page 78 – [1] Functions and Specifications of MA and ME Remote Controllers; group
  • Page 79 – Bring up the Group Setting window.; Bring up the Interlock Setting window.
  • Page 80 – After performing step , proceed as follows:
  • Page 82 – AUTO COOL/HEAT will blink, and either ON or OFF will light up.; state to switch between ON and OFF.
  • Page 83 – [3] Interlock Settings via the MA Remote Controller; Registration Procedures
  • Page 84 – [4] Using the built-in Temperature Sensor on the Remote Controller; on the indoor unit instead.; - The selected address does not have a corresponding indoor unit.; Search Procedures; indoor unit and LOSSNAY on the display.
  • Page 86 – Electrical Wiring Diagram
  • Page 88 – Electrical Wiring Diagram ]; [1] Electrical Wiring Diagram of the Outdoor Unit; Board; Control Board
  • Page 93 – [2] Electrical Wiring Diagram of Transmission Booster
  • Page 94 – VI; Refrigerant Circuit
  • Page 96 – unit
  • Page 102 – VII
  • Page 104 – [1] Functions and Factory Settings of the Dipswitches
  • Page 105 – Setting of CN3D is required.; Normal operation mode
  • Page 108 – Clogged filter detection; Initial vane position
  • Page 109 – Remote controller; Switch setting timing
  • Page 110 – Remote controller unit
  • Page 113 – Periodic control cycle; Model
  • Page 116 – Starting refrigerant recovery mode; Frequencies below 50 Hz; Refrigerant recovery; Opening of LEV during refrigerant recovery; Start
  • Page 117 – Initial startup mode starts.
  • Page 120 – Problems with the outdoor unit; the error via the remote controller.
  • Page 121 – Precautions before servicing the unit; happens, the indoor unit connection information are changed.; Trouble source
  • Page 124 – determination flowchart
  • Page 125 – Inverter output 0Hz
  • Page 127 – Test run mode; Defrost
  • Page 130 – VIII; Test Run Mode
  • Page 132 – [1] Items to be checked before a Test Run; (1) Check for refrigerant leak and loose cables and connectors.; Securely tighten the cap.; (4) Check the phase sequence and the voltage of the power supply.; units after turning on the power booster.
  • Page 133 – Operation procedures
  • Page 134 – [3] Operating Characteristic and Refrigerant Amount; Operating characteristic and refrigerant amount
  • Page 135 – Amount of refrigerant to be added; Outdoor unit model
  • Page 136 – result in performance loss.
  • Page 137 – When the amount of refrigerant is truly adequate.; Self-diagnosis swithes on TH4
  • Page 138 – Do not release the extracted refrigerant into the air.; YES
  • Page 144 – combination
  • Page 162 – IX; Troubleshooting
  • Page 167 – [2] Responding to Error Display on the Remote Controller; Indoor unit; Control board FAN board
  • Page 169 – Code
  • Page 181 – Transmission power output failure; Transmission power reception failure; Check method and remedy
  • Page 196 – Cause
  • Page 200 – Open detection
  • Page 210 – outdoor units or in case of the system connected with MELANS)
  • Page 220 – or more minutes, and then turn them on again.
  • Page 225 – Error source
  • Page 227 – Restriction on the number of units; Number of units
  • Page 233 – In the case of MA remote controller
  • Page 234 – disconnected connector.
  • Page 237 – In case of ME remote controller; If voltage between is 17V and 30V -> ME remote controller failure
  • Page 241 – Both for MA remote controller and ME remote controller; High pressure sensor; Evaporating temperature Te
  • Page 243 – Condensing temperature Tc
  • Page 245 – Error mode
  • Page 246 – transmission; No fine noise allowed
  • Page 248 – MA remote controller transmission; Satisfies the formula
  • Page 254 – LEV operation; The valve opening changes according to the number of pulses.; Control board
  • Page 256 – Outdoor control board; ON OFF OFF OFF OFF OFF ON ON
  • Page 257 – (3) Judgment methods and possible failure mode; LED
  • Page 258 – Body; Part A
  • Page 259 – (5) Removal procedure of outdoor unit LEV2 coil; ) Removing the coil
  • Page 260 – Press the tab on the terminals to remove them.
  • Page 265 – (3) Trouble treatment when the main power breaker is tripped.
  • Page 266 – Check point
  • Page 268 – L1 L2 L3
  • Page 274 – (3) Trouble treatment when the main power breaker is tripped
  • Page 277 – ME remote
  • Page 279 – (2) Troubleshooting transmission power circuit of outdoor unit
  • Page 281 – Oudoor unit
  • Page 283 – when it is collected.; Tc self-diagnosis switch
  • Page 284 – atmosphere when it is collected.
  • Page 285 – Frame
  • Page 287 – [7] Troubleshooting Using the Outdoor Unit LED Error Display; Error code appears on the LED display.; Refer to IX [2] Responding to Error Display on the Remote Controller.; is; Take the following troubleshooting steps.
  • Page 288 – LED Monitor Display on the Outdoor Unit Board
  • Page 290 – [1] How to Read the LED on the Service Monitor; How to read the LED; S W 1 - 1 0 i s r e p r e s e n t e d a s “ 0 ” i n t h e t a b l e .; SEG LED
  • Page 291 – LED Monitor Display on the Outdoor Unit Board ]; Time data storage function; When the main controller that can set the time is connected
  • Page 293 – rrent
  • Page 302 – Error history
  • Page 316 – Setting data
  • Page 332 – Oth
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Summary

Page 2 - ii; Safety Precautions; Observe these safety precautions for your safety.; the risk of serious injury or death.; CAUTION; the risk of serious injury or damage to the unit.; WARNING; Do not touch the heat exchanger fins.; The fins are sharp and dangerous.

ii HWE09120 GB Safety Precautions ΠBefore installing the unit, thoroughly read the following safety precautions. ΠObserve these safety precautions for your safety. WARNING This symbol is intended to alert the user to the presence of important instructions that must be followed to avoid the risk of...

Page 3 - Do not try to defeat the safety features of the unit.

ii HWE09120 GB WARNING Securely attach the terminal block cover (panel) to the unit. If the terminal block cover (panel) is not installed properly, dust and/or water may infiltrate and pose a risk of electric shock, smoke, and/or fire. Only use the type of refrigerant that is indicated on the unit w...

Page 4 - Precautions for handling units for use with R410A; Do not use the existing refrigerant piping.

iii iii HWE09120 GB Precautions for handling units for use with R410A CAUTION Do not use the existing refrigerant piping. ΠA large amount of chlorine that may be contained in the re- sidual refrigerant and refrigerating machine oil in the exist-ing piping may cause the refrigerating machine oil in ...

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