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Trane Roland Wizard on-off 2022 Service Manual
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Trane Roland Wizard on-off 2022 Service Manual

Trane Roland Wizard on-off 2022 Service Manual

On/off type air conditioner r410a
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Air Conditioner Service Manual
ON/OFF type air conditioner R410A
Service Manual
Roland Wizard on-off
2022
Models
RD-WZ07HSS/N1
RD-WZ09HSS/N1
RD-WZ12HSS/N1
RD-WZ18HSS/N1
RD-WZ24HSS/N1
1

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Summary of Contents for Trane Roland Wizard on-off 2022

  • Page 1 Air Conditioner Service Manual ON/OFF type air conditioner R410A Service Manual Roland Wizard on-off 2022 Models RD-WZ07HSS/N1 RD-WZ09HSS/N1 RD-WZ12HSS/N1 RD-WZ18HSS/N1 RD-WZ24HSS/N1...
  • Page 2 Air Conditioner Service Manual CONTENTS Part Ⅰ Technical Information ................3 1. Important Notice ........................3 2. Specifications… ........................4 2.1 Operation characteristic ............................4 2.1.1 The relation curve of CAPACITY-TEMPERATURE ..................4 2.1.2 The relation curve of PRESSURE-TEMPERATURE…................. 5 2.1.3 The relation curve of NOISE-COMPRESSURE OPERATION FREQUENCY ..........
  • Page 3 Air Conditioner Service Manual Part Ⅰ Technical Information 1. Important Notice This service manual is intended for use by individuals possessing adequate backgrounds of electrical, electronic and mechanical experience. Any attempt to repair the appliance may result in personal injury and property damage.
  • Page 4 Air Conditioner Service Manual 2. Specifications 2.1 Operation characteristic 2.1.1 The relation curve of CAPACITY-AMBIENT TEMPERATURE KFR-27GW/YXA(E)(011284) KFR-31GW/YXA(E/6)(003547) 2800 105.0% 2900 115.0% 2700 100.0% 2850 110.0% 2600 95.0% 2800 2500 105.0% 90.0% 2750 2400 100.0% 2700 85.0% 2300 2650 95.0% 2200 80.0% 35℃...
  • Page 5 Air Conditioner Service Manual 2.3 The relation curve of NOISE-OPERATION FREQUENCY 7K/9K 45.0 40.0 35.0 30.0 25.0 20.0 15.0 10.0 Muter Low speed Mid speed High speed Super speed Muter Low speed Mid speed High speed Super speed Indoor cooling noise Indoor heating noise Indoor cooling noise Indoor heating noise...
  • Page 6 Air Conditioner Service Manual 2.2 Refrigeration cycle diagram...
  • Page 7 Air Conditioner Service Manual 3. Product Dimensions Indoor Unit: Outdoor Unit: Indoor unit Outdoor unit Model RD-WZ07HSS/N1 256.2 RD-WZ09HSS/N1 256.2 RD-WZ12HSS/N1 48.5 RD-WZ18HSS/N1 53.9 RD-WZ24HSS/N1 1097 374.9 347.5 58.6...
  • Page 8 Air Conditioner Service Manual 4 Electric Diagram 4.1 Wiring diagram MODEL：RD-WZ07HSS/N1, RD-WZ09HSS/N1, RD-WZ12HSS/N1, RD-WZ18HSS/N1 INDOOR UINT: OUTDOOR UNIT:...
  • Page 9 Air Conditioner Service Manual MODEL: RD-WZ24HSS/N1 INDOOR UINT: ONLY FORSOМEШ -LS) TC-L ЕАТЕ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ' ,----1. 1-ГТТС-N [ONITT lIOIJELSТr...
  • Page 10 Air Conditioner Service Manual 4.2 PCB LAOUT Indoor unit Indoor PCB 7K, 9K, 12K, 18K Top view ODU AC power output Fuse ODU AC power input -3 ODU power supply IDU power input AC motor driver DC motor driver DC Motor input IDU/ODU wiring connection-N connector Power supply-N...
  • Page 11 Air Conditioner Service Manual Top view ODU AC power output Fuse ODU AC power input -3 ODU power supply IDU power input AC motor driver DC motor driver DC Motor input IDU/ODU wiring connection-N connector Power supply-N connector Anion connector IDU/ODU communication wiring AC Motor feedback...
  • Page 12 Air Conditioner Service Manual 5. Electronic Controller Introduction 5.1 Remote controller ON/OFF button To switch the conditioner on and off . TEMP DOWN button Decrease the temperature or time by 1 unit. ECO button Press this button to activate/deacti vate the ECO function. MODE button To select the mode of operation SWING button...
  • Page 13 Air Conditioner Service Manual Remote controller DISPLAY Meaning of symbols on the liquid crystal display. FEEL mode indicator or AUTO COOLING indicator or COOL DEHUMIDIFYING indicator or DRY FAN ONLY OPERATION indicator or FAN HEATING indicator or HEAT SIGNAL RECEPTION indicator TIMER OFF indicator TIMER ON indicator AUTO FAN indicator...
  • Page 14 Air Conditioner Service Manual 5.2 Electronic controller RT ------ Room Temperature. IPT ----- Indoor Pipe (Coil) Temperature. ST ----- Indoor Setting Temperature. OPT -- Outdoor Pipe Temperature. CRT -- Compensated Room Temperature. IDU -- Indoor unit ODU --- Outdoor unit. Note: When AC finishing installation, because of the air ventilation and the distance of temperature test sensor to different location of the house, the temperature for IDU PCB control need compensation.
  • Page 15 Air Conditioner Service Manual 5.2.2.4. When ODU failure or stops for protection, IDU works as preset. 5.2.2.5. Anti-frosting protection While condition a), b) matched, the AC unit transferred to anti-frosting protection. a). After the compressor continual works for 6 minutes, and tested IPT≤0℃ for 3 minutes continuously. b).
  • Page 16 Air Conditioner Service Manual 5). In the process of unit operation, once the compressor ceased, it should be 3 min delay for the next procedure. 5.2.4.3. IDU time delay: When compressor stops or unit switches off while in heating mode, IDU fan motor keeps working for 50 seconds.
  • Page 17 Air Conditioner Service Manual a. If the vane works on status of non-swing: While IPT increase to a special degree, the vane blade will change the position to: ① Default angle; or ② Previous position; or ③ Customer preset. The above operation can work one time only, when compressor stops working, the unit will inspect the function once again.
  • Page 18 Air Conditioner Service Manual 5.2.8 Emergency switch When the EMERGENCY switch is pressed one time, COOLING mode is selected and if it pressed again within 3s, HEATING mode selected, while press once again, the unit will be switched off. When the remote controller out of function, batteries lost power, for example, the EMERGENCY button in the front of indoor unit can be used for function test.
  • Page 19 Air Conditioner Service Manual WIFI OPERATION MAUAL 5.3.1 The WIFI control logic CLOUD Internet controller Home wireless router TCL AC IDU WIFI module IDU PCB Remote controller 5.3.2 Download and installation Customer can scan the QR in the user manual or from appliance APP store to download the APP and install it in the cell phone, while installation achieved, there would be an icon as picture created on the desktop.
  • Page 20 Air Conditioner Service Manual PART Ⅱ Installation and Maintenance 1. Notes for installation and maintenance Safety Precautions Important! Please read the safety of precautions carefully before installation and maintenance. The following contents are very important for installation and maintenance. Please follow the instructions bellow. ●...
  • Page 21 Air Conditioner Service Manual 5) Use equipped components or appointed components during installation. 6) Make sure no foreign objects are left in the unit after finishing installation. Improper installation may lead to fire hazard, explosion, electric shock or injury. Safety precautions for Installing and Relocating the unit. To ensure safety, please be mindful of the following precautions.
  • Page 22 Air Conditioner Service Manual your air conditioner in a room with an appropriate area and use it correctly. Compared with ordinary refrigerants, Refrigerants R32 & R290 are environmentally friendly and do not destroy the ozone sphere and that their values of greenhouse effect are also very low. 2) R32/R290 air conditioner installation area requirement m1=(4m )×LFL, m2=(26m...
  • Page 23 Air Conditioner Service Manual Caution:  Please contact the nearest after-sale service center when maintenance is necessary. At the time of maintenance, the maintenance personnel must strictly comply with the Operation Manual provided by the corresponding manufacturer and any non-professional is prohibited to maintain the air conditioner. ...
  • Page 24 Air Conditioner Service Manual  It is necessary to choose the place where the inlet and outlet air of the indoor unit is even.  It is necessary to avoid the places where there are other electrical products, power switch plugs and sockets, kitchen cabinet, bed, sofa and other valuables right under the lines on two sides of the indoor unit.
  • Page 25 Air Conditioner Service Manual  Check the refrigerant leak detector whether has been calibrated. The set maximum alarm concentration of the refrigerant leak detector should not exceed 25% of the lower explosion limit (LEL), the refrigerant leak detector must be working during maintenance. 2) Inspection of air conditioner ...
  • Page 26 Air Conditioner Service Manual  The main power switch should be set outside the maintenance location and equipped with protective (explosion-proof) devices.  It is necessary to provide firefighting devices such as dry powder or carbon dioxide fire extinguisher appropriate for extinguishing the electrical fire and keep such firefighting devices in a usable condition.
  • Page 27 Air Conditioner Service Manual 9). Emergency Accident Handling A maintenance station should establish emergency handling plans. It is necessary to take appropriate precautionary measures in work. For example, it is prohibited to enter the location with any kindling material and it is prohibited to wear clothing or shoes which easily produce static. Handling suggestions when a large amount of combustible refrigerant leaks: It is necessary to immediately operate the ventilating equipment while cutting off other power supply and ...
  • Page 28 Air Conditioner Service Manual 2 Installation 2.1 Installation Dimension Diagram S p a c e t o t h e w a l A tl e a s t1 5 c m A tl e a s t1 5 c m S p a c e t o t h e w a l S p a c e t o t h e o b s t r u c t i o n S p a c e t o t h e f l o o r...
  • Page 29 Air Conditioner Service Manual 2.2 Accessory Remote controller Remote controller Batteries Vinyl tape supporter Drain hose Screw Insulation material Hole cover...
  • Page 30 Air Conditioner Service Manual 2.3 Position 1） Must follow the electric safety regulations when installing the unit. Indoor unit 2） According to the local safety regulations, use qualified power supply circuit and air switch.  Install the indoor unit level on a strong wall that is not subject to vibrations 3）...
  • Page 31 Air Conditioner Service Manual 7K, 9K,12K The hole must slope downwards towards the exterior. Note: Keep the drain pipe down towards the direction of the wall hole, otherwise leakage may occur. 2.5.3 Electrical connections---Indoor unit 1).Lift the front panel. 2).Take off the cover as indicated in the picture (by removing a screw or by breaking the hooks).
  • Page 32 Air Conditioner Service Manual Pipe Size (Torque) Capacity (Btu/h) Liquid 7/9/12K 3/8" (4.2kg.m) 1/4" (1.8kg.m) 1/2" (5.5kg.m) 1/4" (1.8kg.m) 5/8" (6.6kg.m) 3/8" (4.2kg.m) Wrap the insulation material around the connecting portion.  Overlap the connection pipe insulation material and the indoor unit pipe insulation material. Bind Shape the connection pipe them together with vinyl tape so that there is no 2.5.4 Connecting the pipes.
  • Page 33 Air Conditioner Service Manual onto the rear of the unit with a pipe connection. 2) Connect the drain port and the drain pipe. Pay attention that water is drained in a suitable place.  Insert the pipe connection into the relative slot. ...
  • Page 34 Air Conditioner Service Manual 2.7 Vacuum and gas leakage test 2.8 Final test 1. Use vacuum Pump 1 Preparation of test operation. 1) Air and humidity left inside the refrigerant circuit can  The client approves the air conditioner cause compressor malfunction. After having connected installation.
  • Page 35 Air Conditioner Service Manual 3. Maintenance 3.1 Failure code Code Reason Remark IDU Room Temperature sensor failure. IDU sensor and PCB. （IDU RT failure） IDU Coil temperature sensor failure.（IDU IDU sensor and PCB. IPT failure） Gas not enough Please check the pressure in cooling System protection For the high/low pressure valve model IDU PG Fan motor / DC fan motor works...
  • Page 36 Air Conditioner Service Manual 3.2 Trouble shooting 3.2.1 E1, E2 ---IDU Room temperature sensor and/or coil temperature sensor failure. Start Display E1or E2 Is the sensor well Re-connect connected to PCB E1/E2 disappear? Multi-meter check the Replace the sensor sensor, is it open or short circuit? The malfunction eliminated?
  • Page 37 Air Conditioner Service Manual 3.2.2 E6 --- IDU ventilation failure (PG and DC fan motor only) Start Display E6 Turn the fan blades by hand while power-off Adjust the motor and blade Can the fan blades run assembly so that rotor can smoothly? run smoothly.
  • Page 38 Air Conditioner Service Manual 3.2.3 P7---Overheating protection on Cooling mode On heating mode, when IDU evaporator coil temperature IPT≥62 ℃ , ODU PCB will switch off outdoor unit and show P7 failure code. Display P7 ODU fan motor Fan motor Replace fan motor works normal? broken?
  • Page 39 Air Conditioner Service Manual 4. Exploded view and parts list Indoor Unit- RD-WZ07HSS/N1 14 13 Part No. Part Name Q’ty Remark 41105-000373 Electrical Box Cover 22007-000016 Power Supply Cord 31101-001719 Main PCB 10104-100014 Indoor Sensor Assembly 42001-000103 Cable Clamp 11304-100023 Terminal 10502-100030 Transformer...
  • Page 40 Air Conditioner Service Manual Outdoor Unit- RD-WZ07HSS/N1 17 16 11 12 Part No. Part Name Q’ty Remark 41202-000412 Base 41208-000225 Partition plate 41204-000018 Valve Supporter 92007-001041 Three-way Valve 92007-007328 Two-way Valve 92014-000840 Compressor And It Accessories 92007-009577 4-way Valve Assembly 92008-000313 4-way Valve 41205-000212...
  • Page 41 Air Conditioner Service Manual Indoor Unit- RD-WZ09HSS/N1 14 13 Part No. Part Name Q’ty Remark 41105-000373 Electrical Box Cover 22007-000016 Power Supply Cord 31101-001719 Main PCB 10104-100014 Indoor Sensor Assembly 42001-000103 Cable Clamp 11304-100023 Terminal 10502-100021 Transformer 41105-000415 Electrical Box 22001-000313 Vane Motor 41101-000354...
  • Page 42 Air Conditioner Service Manual Outdoor Unit- RD-WZ09HSS/N1 17 16 11 12 Part No. Part Name Q’ty Remark 41202-000412 Base 41208-000225 Partition plate 41204-000018 Valve Supporter 92007-001041 Three-way Valve 92007-007328 Two-way Valve 92014-000847 Compressor And It Accessories 92007-009548 4-way Valve Assembly 92008-000313 4-way Valve 41205-000212...
  • Page 43 Air Conditioner Service Manual Indoor Unit- RD-WZ12HSS/N1 14 13 Part No. Part Name Q’ty Remark 41105-000373 Electrical Box Cover 22007-000015 Power Supply Cord 31101-001320 Main PCB 10104-100014 Indoor Sensor Assembly 42001-000103 Cable Clamp 11304-100023 Terminal 41105-000361 Electrical Box 22001-000313 Vane Motor 41101-000354 In And Out Pipe Cover 42009-000011...
  • Page 44 Air Conditioner Service Manual Outdoor Unit- RD-WZ12HSS/N1 17 16 11 12 Part No. Part Name Q’ty Remark 41202-000177 Base 41208-000139 Partition plate 41204-000018 Valve Supporter 92007-001041 Three-way Valve 92007-007317 Two-way Valve 92014-000827 Compressor And It Accessories 92007-009536 4-way Valve Assembly 92008-000308 4-way Valve 41205-000206...
  • Page 45 Air Conditioner Service Manual Indoor Unit- RD-WZ18HSS/N1 13 12 Part No. Part Name Q’ty Remark 41105-000373 Electrical Box Cover 22007-000034 Power Supply Cord 31101-001452 Main PCB 10104-100014 Indoor Sensor Assembly 42001-000103 Cable Clamp 11304-100023 Terminal 41105-000361 Electrical Box 22001-000313 Vane Motor 41101-000354 In And Out Pipe Cover 42009-000011...
  • Page 46 Air Conditioner Service Manual Outdoor Unit- RD-WZ18HSS/N1 17 16 11 12 Part No. Part Name Q’ty Remark 41202-000249 Base 41208-000158 Partition plate 41204-000018 Valve Supporter 92007-001066 Three-way Valve 92007-005294 Two-way Valve 92014-000798 Compressor 92007-010843 4-way Valve Assembly 92008-000305 4-way Valve 41205-000084 Right Plate 41201-000029...
  • Page 47 Air Conditioner Service Manual Indoor Unit- RD-WZ24HSS/N1 13 12 Part No. Part Name Q’ty Remark 41105-000373 Electrical Box Cover 31101-001356 Main PCB 10104-100014 Indoor Sensor Assembly 42001-000103 Cable Clamp 11304-100025 Terminal 41105-000104 Electrical Box 22001-000360 Vane Motor 29901-000078 Step Motor 41101-000240 In And Out Pipe Cover 42009-000011...
  • Page 48 Air Conditioner Service Manual Outdoor Unit- RD-WZ24HSS/N1 18 17 1615 11 12 Part No. Part Name Q’ty Remark 41202-000222 Base 41208-000157 Partition plate 41204-000018 Valve Supporter 92007-001045 Three-way Valve 92008-000024 Two-way Valve 92014-000204 Compressor 92007-005679 4-way Valve Assembly 92008-000193 4-way Valve 41205-000074 Right Plate 41201-000029...
  • Page 49 Air Conditioner Service Manual 5. Disassembly IDU & ODU 5.1. IDU Disassembly Steps Reference photo 1. Before disassembly The original status. 2. Disassemble Front Panel, Display Board. Display box 显示盒 A. Open front panel. B. Remove one screw and take the display box out from panel.
  • Page 50 Air Conditioner Service Manual Force apart the bottom plate left and right sides with hands towards as RED arrow, you can easily disassemble the bottom plate. (Note: there’re buckles on bottom plate) 插 销×6 buckles 卡 扣×4 6. Disassemble the Flap Assembly Force apart the flap assembly from base plate, you can take the it out.
  • Page 51 Air Conditioner Service Manual Buckles 卡 扣 A. unfix 2 screws between mid frame and base plate. B. Apart 4 buckles upside mid frame from base plate. C. Apart air outlet the upper side and lower side hooks 出 风 口 上 沿...
  • Page 52 Air Conditioner Service Manual Locker 卡扣 A. Unfix screw btw EVP and base. Locke Locker B. Loose the EVP left locker 扣 卡 with base, you can raise up EVP left side. C. When raise EVP left side up, along with the EVP right side loosen...
  • Page 53 Air Conditioner Service Manual 5.2 ODU Assembly Step Reference picture Before disassembly 1：Remove the PCB Cover , Valve Cover and Top Cover 1). Unfix one screw on the PCB cover, you can take the cover out from unit. 2). Unfix one screw on the valve cover, you can take it out easily.
  • Page 54 Air Conditioner Service Manual 2：Disassemble the Fan Guard and Front Panel 1). Unfix screw btw fan guard and front panel, and take the fan guard out. 2). Unfix screws btw front panel and fan motor supporter, ODU mid separate plate & base plate, uplift front panel you can take it out from unit.
  • Page 55 Air Conditioner Service Manual Unfix screws btw left plate, base plate and condenser plate, you can take the left plate out. 4：Disassemble the Axis Fan Blade Unscrew the fan blade nut, and take the blade out. 5：Disassemble the Electric Box Unfix screw btw Electric Box and motor supporter etc.
  • Page 56 Air Conditioner Service Manual 6：Take out the Noise Cotton Shown as picture to take the cotton out. 7：Disassemble the Separate Plate Unfix the screw btw separate plate and unit, and take it out. 8：Disassemble the 2 and 3-way Valve Unfix screw btw Valve plate and base, you can take the 2-way and 3-way...
  • Page 57 Air Conditioner Service Manual 9：Disassemble the 4-way Valve Assembly Take the 4-way valve out from system by welding. Make sure no hurt to the compressor and nameplate, etc. 10：Disassemble the Compressor. Unscrew the nuts and take the compressor out. 11：Remove the Fan Motor and motor Supporter. Unfix screws btw fan motor with supporter, and...
  • Page 58 Air Conditioner Service Manual APPENDIX Appendix 1 The comparison table of Celsius-Fahrenheit temperature Fahrenheit Fahrenheit Fahrenheit diplay Fahrenheit( Celsius diplay Fahrenheit Celsius diplay Fahrenheit( Celsius temperature temperature temperature (℃) (℉) (℃) (℃) ℉) ℉) (℉) (℉) (℉) 60.8 69/70 69.8 78/79 78.8 62/63...
  • Page 59 Air Conditioner Service Manual Appendix 3 Pipes Flaring Main cause for gas leakage is due to defect in flaring work. Carry out correct flaring work in the following procedure. A. Cut the pipes and the cable. 1) Use the piping kit accessory or the pipes purchased locally.
  • Page 60 Air Conditioner Service Manual Appendix 4 THERMISTOR TEMPERATURE CHARACTERISTICS 1). Indoor unit and outdoor exchange temperature and outside air temperature sensor temperature characteristics TEMP. Resistance Voltage of TEMP. Resistance Voltage of TEMP. Resistance Voltage of (k Ohm) resistance (k Ohm) resistance (k Ohm) resistance...
  • Page 61 Air Conditioner Service Manual Resistance at 25℃: 5 kΩ. TH1: indoor room temperature sensor and outside air temperature sensor TH2: indoor exchange temperature sensor and outside exchange temperature sensor Before measuring resistance, disconnect connectors as shown above. 1) Outdoor unit sensor temperature characteristics TEMP.
  • Page 62 Air Conditioner Service Manual 66.96 74.11 81.96 6.548 6.912 7.289 1.105 1.153 1.202 63.74 70.48 77.87 6.309 6.655 7.013 1.073 1.12 1.168 60.69 67.05 6.08 6.409 6.748 1.042 1.089 1.136 57.81 63.8 70.34 5.861 6.173 6.495 1.013 1.058 1.104 55.08 60.72 66.88 5.651...

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Rd-wz07hss/n1Rd-wz09hss/n1Rd-wz12hss/n1Rd-wz18hss/n1Rd-wz24hss/n1