Toyotomi GAN-A180GVR Service Manual
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Toyotomi GAN-A180GVR Service Manual

Refrigerant r-410a
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  • Page 2 Content...

  • Page 5: Safety Precautions

    2.Safety Precautions Important! or rubbish. The unit should be installed according to the instructions This air conditioning system meets strict safety and in order to minimize the risk of damage from earthquake, operating standards. As for the installer or service person, typhoon or strong wind.
  • Page 6 Model GAN/GAG-A180GVR GAN/GAG-A240GVR Product Code CB14600360 CB14600370 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Indoor Indoor Cooling Capacity (Min~Max) 5300(1050~6500) 6450(1400~7000) Heating Capacity (Min~Max) 5800(1000~7100) 6700(1200~8000) Cooling Power Input (Min~Max) 1600(360~2500) 2000(350~2600) Heating Power Input (Min~Max) 1600(350~2600) 1850(350~2700) Cooling Power Current...
  • Page 7 Specifi cations Model of Outdoor Unit GAG-A180GVR GAG-A240GVR China Resources (Shenyang) China Resources (Shenyang) Compressor Manufacturer/Trademark Sanyo CO.,LTD/Sanyo Sanyo CO.,LTD Compressor Model C-6RZ146H1A C-6RZ146H1A Compressor Oil FV50S FV50S Compressor Type Rotary Rotary L.R.A. Compressor RLA 8.40 Compressor Power Input 1640 1640 Overload Protector 1NT11L-3979...
  • Page 8 <Cooling> <Heating> 220V 220V • Conditions Indoor : DB27˚C/WB19˚C Outdoor : DB35˚C/WB24˚C Indoor air flow : High Pipe length : 5m 230V 230V 240V • Conditions 240V Indoor : DB20˚C/WB15˚C Outdoor : DB7˚C/WB6˚C Indoor air flow : High Pipe length : 5m Compressor speed (rps) Compressor speed (rps)
  • Page 9 Cooling Temperature condition Standard Heat exchanger pipe Indoor fan Outdoor fan Compressor (°C) Model name pressure temp. mode mode revolution (rps) Indoor Outdoor P (MPa) T1 (°C) T2 (°C) 0.9 to 1.1 12 to 14 70 to 40 Super High High 27/19 35/-...
  • Page 10 ON/OFF 1008 φ55 φ55 φ55 φ55...

  • Page 12: Indoor Unit

    INDOOR UNIT OUTDOOR UNIT GAS SIDE 3-WAY VALVE Muffler Di s charge HEAT EXCHANGE (EVAPORATOR) Suction Accumlator COMPRESSOR HEAT EXCHANGE (CONDENSER) LIQUID SIDE 2-WAY VALVE Strainer Capillary Strainer COOLING INDOOR UNIT OUTDOOR UNIT GAS SIDE 3-WAY VALVE 4-Way valve Muffler Di s charge HEAT EXCHANGE...
  • Page 13 INDOOR UNIT OUTDOOR UNIT GAS SIDE 3-WAY VALVE Muffler Di s charge HEAT EXCHANGE (EVAPORATOR) Suction Accumlator COMPRESSOR HEAT EXCHANGE (CONDENSER) LIQUID SIDE 2-WAY VALVE Strainer Expansion valve Strainer COOLING INDOOR UNIT OUTDOOR UNIT GAS SIDE 3-WAY VALVE 4-Way valve Muffler Di s charge HEAT...
  • Page 14 RECEIVER AND DISPLAY BOARD TUBE ROOM TEM. SENSOR TEM. SENSOR YEGN TERMINAL DISP1 DISP2 BLOCK ROOM TUBE N(1) COM-OUT YEGN JUMP 4YEGN AC-L L-OUT NO COM SWING-UD HEALTH-N HEALTH-L EARTH-PLATE EVAPORATOR IONIZER SWING MOTOR MOTOR...
  • Page 15 WARNING COMPRESSOR Please don't touch any terminal when the 6YEGN R(M,V) COMP voltage of terminal P(DC+) and N(DC-) at S(W,X) C(T,U) OUTROOM EXHAUST OUTTUBE AP1 is higher than 30V to prevent the risk TEM.SENSOR TEM.SENSOR TEM.SENSOR of electrical shock! YEGN COMP-U COMP-V COMP-W...
  • Page 16 ON/OFF Press this button to start or stop operation. MODE AUTO Press it to select operation mode (AUTO/COOL/DRY/FAN/HEAT). HEALTH X-FAN HUMIDITY FILTER Press it to decrease temperature setting TURBO HOUR ON/OFF Press it to increase temperature setting. Press it to set fan speed. ON/OFF MODE Press it to set up &down swing angle.
  • Page 17 ON/OFF : Press this button to turn on the unit. Press this button again to turn off the unit. MODE : Each time you press this button, a mode is selected in a sequence that goes from AUTO, COOL, DRY, FAN,and HEAT *, as the following: AUTO COOL...
  • Page 18 ● Press + button and button at the same time at unit OFF to switch between simple swing and static swing, blinking 2 seconds. In static swing condition, press button, the swing angle of left & right louver changes as below: ●...
  • Page 19 Remove the battery cover plate from the rear of the remote controller. (As shown in the figure) Take out the old batteries. Insert two new AAA1.5V dry batteries and pay attention to the polarity. Reinstall the battery cover plate. NOTE: When replacing the batteries, do not use old or different batteries, otherwise, it may cause malfunction.
  • Page 20 Indoor Unit Temperature Parameter Room setting temperature (Tpreset) Room ambient temperature (Tamb.) (temperature sensor :15K, partial pressure resistance:15K) Surface temperature of copper pipe for indoor heat exchanger (T (temperature sensor: 20K, partial pressure resistance: 20K) indoor tube) Basic Functions of System (1) Cooling Mode 1.
  • Page 21 When multiple malfunctions occurred simultaneously, malfunction protection codes will be displayed in cycle. 3.Other Control Target (1) Up&down swing function: the mode for swing motor is MP28EA After energization, up & down swing motor will firstly let the horizontal louver anticlockwise rotate to position 0 to close air outlet.
  • Page 22 before power failure, will memorize the time setting and re-calculate the time after power recovery. If there is timer function in the last remote controller command but setting time has reached, the system will act as timer on/off setting before power failure. After power failure, the system memorizes the operation states before power failure without timer action.
  • Page 23 (4) Heating Mode 1. Conditions and processes of heating operations: (Tindoor ambient is the actual detection temperature of indoor environment thermo-bulb, Theating indoor ambient temperature compensation is the indoor ambient temperature compensation during heating operations) (1) If the compressor is stop, and [(Tindoor ambient – Theating indoor ambient temperature compensation) –Tpreset] 0.5 , start the machine to enter into heating operations for heating;...
  • Page 24 (12) Current protection 1. If 12A I alternating-current, running frequency of compressor will be decreased or stop to increase will be occurred; 2. If 17A I alternating-current, the unit will stop; and compressor has stopped for 3min, the unit will resume running; 3.
  • Page 25 annoy the unit sunlight or...
  • Page 26 Wall Wall Mark on the middle of it Gradienter Space Space to the to the wall wall above above Pipe Reamer Left Right (Rear piping hole) Point down (Rear piping hole) Mark on the middle of it Gradienter Wall Wall Space Space to the...
  • Page 27 Indoor unit tubing Flare nut Pipes Open-end wrench (fixed) Flare nut Wrench Connection pipe Indoor unit tubing Terminal block Outside diameter Torque kg . m inch Earth wire Ø6.35 Terminal cover Screw Ø9.52 Ø12.7 Screw Ø15.88 Ø19.05 Cord clamp Connecting cable Shield pipe Terminal block Drain hose...
  • Page 28 Insulation fixing screw No gap Do not apply lubricating oil (refrigerant machine oil) when inserting the drain cap. If applied, deterioration and leakage of the drain plug may occur. Insert a hexagon wrench (4 mm) Slit Bind with vinyl tape Plastic bands Insulation material Right piping Pipe (top)
  • Page 29 Mounting plate Drain-water hole Marking Bottom frame Drain plug Drain connecter Hose (available commercially, inner dia. 16mm) Outdoor unit Liquid side piping Push Push (Smaller diameter) Do not rise the drain hose. Do not form the drain hose into the waved shape. 50 mm Torque wrench or more...
  • Page 30 Terminal block Connecting cable Compound Pressure gauge pressure gauge -101kPa Manifold valve (-76cmHg) Handle Hi Handle Lo (Keep full closed) Charge hose Charge hose (For R410A only) (For R410A only) Connecting Vacuum pump pipe adapter for counter-flow prevention (For R410A only) Check places for Packed valve flare nut connections...
  • Page 32 35 34 29 28 27 26 25...
  • Page 33 AN-A180GVR...
  • Page 34 AG-A180GVR...
  • Page 35 Be cautious during installation and maintenance. Do operation following the regulations to avoid electric shock and casualty or even death due to drop from high attitude. * Static maintenance is the maintenance during de-energization of the air conditioner. For static maintenance, m ake sure that the unit is de-energized and the plug is disconnected. *dynamic maintenance is the maintenance during energization of the unit.
  • Page 36 Discharging Position:...
  • Page 37 Blinking Display Method Display Method of Indoor Unit Outdoor Unit Malfunction Indicator has 3 kinds of Name display status and they Indicator Display (during blinking, will displayed ON 0.5s and OFF 0.5s) Dual-8 Possible Reasons circularly every 5s. A/C status Code Blink Display...
  • Page 38 Display Method Display Method of Indoor Unit Outdoor Unit Malfunction Indicator has 3 kinds of Name display status and they Indicator Display (during blinking, will displayed ON 0.5s and OFF 0.5s) Dual-8 Possible Reasons circularly every 5s. A/C status Code Blink Display Operation...
  • Page 39 Display Method Display Method of Indoor Unit Outdoor Unit Malfunction Indicator has 3 kinds of Name display status and they Indicator Display (during blinking, will displayed ON 0.5s and OFF 0.5s) Dual-8 Possible Reasons circularly every 5s. A/C status Code Blink Display Operation...
  • Page 40 Display Method Display Method of Indoor Unit Outdoor Unit Malfunction Indicator has 3 kinds of Name display status and they Indicator Display (during blinking, will displayed ON 0.5s and OFF 0.5s) Dual-8 Possible Reasons circularly every 5s. A/C status Code Blink Display Operation...
  • Page 41 simply c (1) Temperature sensor malfunction...
  • Page 42 (2) PG motor (indoor fan) does not operate (H6) Start Check whether the feedback terminal of PG motor is connected tightly Insert the feedback terminal of PG motor tightly Eliminate the malfunction Check whether the control end of PG motor is connected tightly Insert the control end of PG motor...
  • Page 43 (3) Jumper cap malfunction (C5) Start No jumper cap on the controller Please install the correct jumper Eliminate the malfunction Whether the jumper cap is inserted correctly and tightly Insert the jumper cap tightly Eliminate the malfunction Replace the jumper cap with the same model Eliminate the malfunction...
  • Page 44 Key inspection point Test 4 Test 2 Test 9 Test 3 Test Test 5 Test 7 Test 6 Tset 8 Test 10 Test 11 Test 16 Test14 Test15 Test12 Test13...
  • Page 45 Test point No. Test point Corresponding component Test value under normal situation Test 1 Between A and C Neutral wire and live wire 160V-265V Test 2 Between B and C Neutral wire and live wire 160V-265V Test 3 Between D and E Electrolytic capacity of DC bus bar 180VDC-380VDC Test 4...
  • Page 46 (2) Capacity charging malfunction (outdoor unit malfunction) (AP1 below is control board of outdoor unit) Main detection point: Detect if the voltage of L and N terminal of wiring board is between 210AC-240AC by alternating voltage meter; Is reactor (L) well connected? Is connection wire loosened or pull-out? Is reactor (L) damaged? Malfunction diagnosis process:...
  • Page 47 (3) IPM protection, desynchronizing malfunction, phase current of compressor is overcurrent (AP1 below is control board of outdoor unit) Main detection point: If control board AP1 and compressor COMP is well connected? If they are loosened? If the connection sequence is correct? Is voltage input in the normal range (Test the voltage between L N of wiring board XT by DC voltage meter)? If coil resistance of compressor is normal? Is compressor coil insulating to copper pipe well?
  • Page 49 (4) Diagnosis for anti-high temperature overload protection (AP1 below is control board of outdoor unit) Main detection point: If the outdoor ambient temperature is in normal range; If the indoor and outdoor fan is running normal; If the radiating environment of indoor and outdoor unit is well. Malfunction diagnosis process: Anti-high temperature overload protection...
  • Page 50 (5) Diagnosis for failure startup malfunction (AP1 below is control board of outdoor unit) Main detection point: If the compressor wiring is correct? If the stop time of compressor is enough? If the compressor is damaged? If the refrigerant charging is too much? Malfunction diagnosis process: Energize the unit and start it...
  • Page 51 (6) Diagnosis for compressor synchronism (AP1 below is control board of outdoor unit) Main detection point: If the system pressure is over-high? If the work voltage is over-low? Malfunction diagnosis process: Synchronism Synchronism after energize the unit occurred during and start it operation Check if the fan Replace fan...
  • Page 52 (7) Diagnosis for overload and discharge malfunction (AP1 below is control board of outdoor unit) Main detection point: If the electron expansion valve is connected well? Is the expansion valve damaged? If the refrigerant is leakage? If the overload protector is damaged? Malfunction diagnosis process: After the unit de-energized...
  • Page 53 (8) PFC (correction for power factor) malfunction (outdoor unit malfunction) (AP1 below is control board of outdoor unit) Main detection point: Check if reactor (L) of outdoor unit and PFC capacity are damaged Malfunction diagnosis process: Start Check the connection wire of reactor (L) of outdoor unit and PFC capacity...
  • Page 54 (9) Communication malfunction (AP1 below is control board of outdoor unit) Main detection point: Check if the connection wire and the built-in wiring of indoor and outdoor unit is connected well and no damaged; If the communication circuit of indoor mainboard is damaged? If the communication circuit of outdoor mainboard (AP1) is damaged? Malfunction diagnosis process: Start...
  • Page 55 (10) Diagnosis process for outdoor communication circuit: Start Test voltage value with Test 10 position in diagram with voltage meter Number jumping Test voltage value with Test 15 position in diagram with voltage meter Number jumping Outdoor unit Finish Test voltage malfunction value with Test 11 position in...
  • Page 56 Appendix 1: Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units Temp. Temp. Resistance Resistance Temp. Resistance Resistance Temp.
  • Page 57 Appendix 2: Resistance Table of Outdoor and Indoor Tube Temperature Sensors Temp. Temp. Temp. Temp. Resistance Resistance Resistance Resistance...
  • Page 58 Appendix 3: Resistance Table of Outdoor Discharge Temperature Sensor Temp. Temp. Temp. Temp. Resistance Resistance Resistance Resistance...
  • Page 59 2-way Valve (Liquid Side) 3-way Valve (Gas Side) Valve cap Hexagonal wrench (4mm) Open position Flare nut Flare nut Closed position Open position Closed position piping piping Service Service connection connection port cap port To outdoor unit To outdoor unit Works Shaft position Shaft position...
  • Page 60 Liquid side Indoor unit Outdoor unit Clsed 2-way valve Gas side Clsed 3-way valve Vacuum pump OPEN CLOSE...
  • Page 61 Liquid side Indoor unit Outdoor unit Open 2-Way valve Gas side Closed 3-Way valve CLOSE CLOSE Purge the air...
  • Page 62 Liquid side Indoor unit Closed Outdoor unit 3-Way valve Gas side Closed 3-Way valve Gas cylinder R410A OPEN CLOSE...

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Gan-a240gvrGag-a240gvrGag-a180gvr

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