Инструкция на Бытовые сплит-системы Royal Clima серии RENAISSANCE On/Off бренда Royal Clima

Service Manual

Part I : Technical Information

1. Summary 1-1 Appearance ➢ Indoor Unit ➢ Outdoor Unit Note: The outdoor grille can be replaced. 3

1-2 Model List

2. Outline Dimension Diagram

The following data is for reference only and the actual size may vary.） 2-1 Indoor Unit（Unit: mm） RC-RNX24HN, RC-RNX28HN, RC-RNX35HN RC-RNX55HN 5

2-2 Outdoor Unit (Unit: mm)

3. Function and Control

3-1 T-Style 1) Remote Controller Introductions ● Carefully read this “instructions” for safe and correct use of the air-conditioner. ● carefully keep the “instructions” manual as it can be referred to at any time. ➢ Buttons description 7

1. ON/OFF Button

* Press this button to turn on/off the unit. * This will clear the existing timer and SLEEP settings. 2. MODE Button * Press this button, you can select the running mode as follows: Note: HEAT mode is not available for cool only units. 3. TIMER Button * With the unit ON, press this button to set OFF…

Note: The temperature cannot be set in AUTO or Fan mode

8. MENU & OK Button * Press MENU button to enter the function selection mode. Then press and , , to choose the function which you want. After, press OK button, turn on this function. * In function selection mode, press , , and , the character in LCD will be flashing if the function can be selected.…

large area, be cautious to use the ECO mode

13. SLEEP * When the unit is on, press MENU button ,then press , , and to choose the “SLEEP” character, when the “SLEEP” character will blink, and press the “OK” button to highlight (not highlight ) the “SLEEP” character , which will activate (deactivate) the function of sleep mode. * The unit will…

* When the unit is off, press the “MENU” button, then press

, , and to choose the “Anti-F” character , when the “Anti-F” character will blink, and press the “OK” button to highlight (not highlight) the “Anti-F” character , which will activate (deactivate) the Anti-F function. 18. COSY(Only YKR-T/011E) * When the air-conditioner is on under the modes of…

(cooling), it will continue to operate for about 3 minutes to dry the moisture on the

evaporator, so as to prevent the accumulation of bacteria on the evaporator, which causes fungus and strange smell and is harmful to the health. * When the unit is off, press the “MENU” button, then , , and to choose the “Anti-F” character , when the “Anti-F” character will blink, and press the “OK”…

5. Press the “ON/OFF” button again, the air-conditioner stops

Note: The cold wind type has no heating function. ★ Fan operation mode 1. Press the “MODE” button, select the fan operation mode. 2. By pressing the “SPEED” button, you can select the motor speed from LOW, MID, HIGH. 3. Press the “ON/OFF” button, the air-conditioner starts to operate. 4. Press the…

4. Refrigerant System Diagram

4-1 Cooling Only ➢ Cooling Mode Indoor Unit Outdoor Unit ➢ Cooling Cycle Indoor heat exchanger (Evaporation) Steam-gas of low pressure Liquid of low pressure (also a little gas) Compressor (Compression) Gas of high pressure & temperature Super cooled liquid of high Capillary (Throttling) pressure 14…

4-2 Cooling & Heating

➢ Cooling Mode Indoor Unit Outdoor Unit ➢ Cooling Cycle Indoor heat exchanger (Evaporation) Steam-gas of low pressure Compressor (Compression) 4-way valve (Heat pump only) Liquid of low pressure (also a little gas) Gas of high pressure & temperature Super cooled liquid of high Capillary (Throttling)…

➢ Heating Mode

Indoor Unit ➢ Heating Cycle Indoor heat exchanger (Evaporation) Outdoor Unit Gas of high pressure & temperature Compressor (Compression) 4-way valve (Heat pump only) Super cooled liquid of low pressure Steam-gas of low pressure Super cooled liquid of high Capillary (Throttling) pressure 16 Outdoor…

5. Electrical Part

The diagrams listed below for reference only, 5-1 Electrical Wiring Diagram ➢ Indoor Unit 09K 12K 18K 17 please refer to the actual product.

> outdoor Unit

RC-RNX24HN, RC-RNX28HN, RC-RNX35HN, RC-RNX55HN Fan Motor _ Orange (Red) Capacitor || Blue (Black) (м White | Blue (Black Compressor a 2 \° Blue NF $ Yellow ХС Capacitor = Brown Blue р 1.Зоте Models with Compressor of In-side Overload Protect 2.Intelllgent Defrost Unit have no Temperature Sensor…

Part Il : Installation and Maintenance

7. Installation

7-1 Notes for Installation ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ ⚫ Important Notices Before installation, please contact with local authorized maintenance center, if unit is not installed by the authorized maintenance center, the malfunction may not solved, due to discommodious contact. The air…

⚫ ⚫ ⚫ ⚫ ⚫ m. The power cable enables communication between the indoor and outdoor units. You must first choose the right cable size before preparing it for connection. Grounding Requirements The air conditioner is the type I electrical appliance and must ensure a reliable grounding. Do not connect…

1. The wall for installation of the indoor unit shall be hard and firm, so as to prevent

vibration. 2. Use the "+" type screw to fasten the peg board, horizontally mount the peg board on the wall, and ensure the lateral horizontal and longitudinal vertical. 3. Pull the peg board by hand after the installation, to confirm whether it is solid. ➢ Wall-through Hole 1. Make a hole with an…

Tightening torque table

The size of pipe(mm) Torque(N·m) Φ6/Φ6.35 15～25 Φ9 /Φ9.5 2 35～40 Φ12/Φ12.7 45～60 Φ15.88 73～78 Φ19.05 75～80 ➢ Wrap the Piping 1. Use the insulation sleeve to wrap the joint part the indoor unit and the connection pipe, and then use insulating material to pack and seal insulation pipe, to prevent…

● Fix the cable reliably with fasteners (Pressing board)

● Put the E-parts cover back in its original place and fasten it with screws. Wiring Diagram NOTE: ※ This manual usually includes the wiring mode for the different kind of A/C. We cannot exclude the possibility that some special type of wiring diagrams are not included. ※ The diagram are for…

➢ Install the connection pipe

Connect the Outdoor Unit with Connecting Pipe: Aim the counter-bore of the connecting pipe at the stop valve, and tighten the Taper nut with fingers. Then tighten the Taper nut with a torque wrench. ★When prolonging the piping, extra amount of refrigerant must be added so that the operation and…

Wiring Diagram

NOTE: ※ This manual is usually includes the wiring mode for the different kind of A/C. We cannot exclude the possibility that some special type of wiring diagrams are not included. ※ The diagram are for reference only. If the entity is difference with this wiring diagram, please refer to the…

vacuum pumping method)

Before working on the air conditioner, remove the cover of the stop valve(gas and liquid valves)and be sure to retighten it afterward.(to prevent the potential air leakage) 1. To prevent air leakage and spilling tighten all connecting nut of all flare tubes. 2. Connect the stop valve, charge hose…

④ Check that no foreign matter or tools are left inside the unit

★ Leak test of the refrigerant Depending on the installation method, the following methods may be used to check for suspect leak, on areas such as the four connections of the outdoor unit and the cores of the cut-off valves and t-valves: ① Bubble method: Apply of spray a uniform layer of soap water…

8. Maintenance

8-1 Troubleshooting Guide Many error codes many appears on this air conditionor, and this troubleshooting guide is prepared for the maintenance personnel to detect the error position and the parts to be replaced during the troubleshooting process. In this Guide, the Troubleshooting Method is guided…

Example

Explanation of error Cause: explain the principle of the specific error. Inspection path: The basic order of troubleshooting. Related key position Tools required Tools that should be carried for such troubleshooting, and for inspection replacing parts that may be necessary for such error. Frequent…

（1）E0 - Overcurrent Protection of Indoor Unit

Explanation of error Cause: The main PCB detects that the working current of the system exceeds the upper limit of protection, and will indicate "indoor unit overcurrent protectin:. The air conditioner stopps running for protection and displays the failure code E0. Inspection path: current…

（2）E1- Indoor Unit temperature sensor error

Explanation of error Cause: The detection of short circuit or open circuit of Indoor Unit temperature sensor during the inspection of main PCB in the Indoor Unit machine, indicated by “Indoor Unit temperature sensor error”. Inspection path: Sensor→Sensor wire→Connectors→Indoor Unit main PCB Tools…

（3）E2 -Outdoor Unit coil sensor error

Explanation of error Cause: The detection of short circuit or open circuit of Outdoor Unit coil sensor during the inspection of Outdoor Unit main PCB, indicated by “Outdoor Unit coil sensor error”. Inspection path: Sensor→Sensor wire→Connectors→Outdoor Unit main PCB Tools required for inspection…

（4）E3 -Indoor Unit coil sensor error

Explanation of error Cause: The detection of short circuit or open circuit of Indoor Unit coil sensor during the inspection of Indoor Unit main PCB, indicated by “Indoor Unit coil sensor error”. Inspection path: Sensor→Sensor wire→Connectors→Indoor Unit main PCB Tools required for inspection…

（5）E4 -Indoor Unit motor error of wall mounted air conditioner（PG motor）

Cause: PG motor is equipped with speed feedback signal line. When the feedback signal of speed is not received by the Indoor Unit main PCB, it has no way to recognize the rotating speed of motor, which Explanation of will be indicated as “Indoor Unit motor error”. Main causes for the disappearance…

(6) E4- Indoor Unit motor error of wall mounted air conditioner (DC motor)

Explanation of error Cause: The Indoor Unit motor of some highly energy efficient models is DC motor using a green plug through which the Indoor Unit main PCB can drive the motor and sense the current rotational speed feedback. When the Indoor Unit main PCB cannot receive the rotational speed…

Cause: Many parameters need to be preset for the running of the indoor unit of the air conditioner and such parameters are placed in a data storage 8-feet chip, which is called "EEPROM" or "EE" for short. The motor on the Indoor Unit main PCB can only work after reading the data stored in EE and if…

(8) P2- High-pressure protection

Explanation of error Cause: In standby state or when the equipment is running, the High-pressure switch is disconnected three times (within 20 minutes) and reported as " High-pressure protection"; Inspection path: High-pressure switch cable → connector → High-pressure switch → main PCB Tools…

(9) P3- Liquid Deficiency Protection

Cause: The liquid volume of the system is less than 30%, which leads to non-refrigeration and liquid shortage protection. Explanation of Inspection path: whether the valves of the outdoor unit are opened → error whether the evaporator, condenser, connectoin pipe are damanged or cracked → whether the…

8-2 Troubleshooting for Normal Malfunction

➢ The Foremost Inspecting Items ① The input voltage must be within +10% tolerance of the rated Voltage. If it is not the case, the air-conditioner will probably not work normally. ② Check the connecting cord between indoor unit and outdoor unit to see if it is properly connected. The connecting must…

①No Power Display

(1) Items a) Check if the input voltage is correct? b) Check if the AC power supply connecting is correct? c) Check if the output voltage of the manostat L7805 (IC2) is correct? (2) Trouble shooting procedure 41

②The Indoor Motor Does Not Work

(1) Items a) Check if the indoor Motor is connected correctly to the connector (CN8)? b) Check if the AC input voltage is correct? c) Check if the IC of indoor Motor is connected correctly to the connector (CN2)? d) Check if the capacity of indoor Motor is connected correctly to the connector (CN8)?…

③The Outdoor Unit Does Not Work

(1) Items a) Check if the input voltage is correct? b) Check if the wire connection of the outdoor connecting terminal is correct? (2) Trouble shooting procedure 43

④The Step Motor Does Not Work

(1) Items a) Check if the input voltage is correct? b) Check if the step motor controlling the up-down movement firmly connected to Cn2? (2) Trouble shooting procedure 44

⑤Heating Mode Can Work, But No Hot Air Blow

(1) Check if the set temperature is lower than the indoor temperature? (2) Check if the indoor PCB is connected to the terminal correctly? 45

Trouble shooting procedure Take out the batteries and reinsert them after 5 seconds NO ( 15 the LED lighten? Check refer to the “5-2” part YES 15 there music when the ON/OFF button YES Normal was pressed. NO YES |5 there voltage of batteries lower than Replace batteries 2.5V? NO № | Is the LCD…

9. Exploded Views and Parts List

9-1 Indoor Unit > Exploded View 47

➢ Part List

NO. 1 Part Name panel Quantity 1 NO. 13 Part Name Evaporator assembly Quantity 1 2 Display board 1 13.1 Evaporator left side carriage 1 3 Air louver 1 13.2 Evaporator part A 1 4 Filter 2 13.3 Evaporator part B 1 5 Medium frame decorative strip 1 14 Motor cover 1 6 Left side panel 1 15 IDU Motor 1 7…

9-2 Outdoor Unit

> Exploded View 49

➢ Part List

NO. Part Name Quantity NO. Part Name Quantity 1 Right side board 1 17 Condenser assembly 1 2 E-parts cover 1 17.1 Condenser assembly 1 3 Valve plate 1 17.2 Capillary assembly 1 4 Stop valve 1 18 Top cover 1 5 Stop valve 1 19 4-way valve tubing assembly 1 6 Compressor assembly 1 19.1 4-way valve 1 7…

10. Removal Procedure

Stop operation of the air conditioner and remove the power cord before repairing the unit. 10-1 Indoor Unit Parts Procedure Front Panel 1) Turn off the power, hold the middle panel with the middle finger, 2) open the panel upwards, remove the panel fixing shaft, and remove the panel. air louver…

medium

frame Loosen the clasps of the medium frame , remove the medium frame. Electrical Parts (Main PCB) 1) Take all the connector of PCB upper side out.(Including Power cord) 2) Detach the outdoor unit connection wire from the terminal block. 3) If pulling the main PCB up, it will be taken out. air vent…

Motor

& Cross Motor 1) Loosen fixing screws and detach the motor holder. 2) Loosen fixing screw of motor. (with a M6 wrench) 3) Detach the motor from the motor. 4) Detach the motor from the left holder bearing. volute Remove screws on volute and remove the volute. 53

10-2 Outdoor Unit

Part Procedure Diagram top cover Turn off the power , remove connection screws among top cover plate, front panel and right side panel, then remove the top cover. panel grille Remove connection screws between the front grille and the front panel .Then remove the front grille. Front panel Remove…

Right side

panel Remove connection screws connecting the right side panel with the valve support and electric box, then remove the right side panel. Axial flow blade Remove the nut fixing the blade and then remove the axial flow blade. Outer motor Remove the tapping screws fixing the motor, pull out the…

Electric box

assy Loosen the wire and disconnect the terminal. Lift to remove the electric box assy. Partition board Loosen the screws of the partition board， then lift and pull the partition board to remove . left side support plate Remove connection screws connecting the left side support plate with the valve…

Stop valve

assembly 1) Remove the screws fixing the gas 2) valve. Unsolder the welding spot connecting gas valve and air return pipe and remove the gas valve. 3) Remove the screws fixing liquid valve. Unsolder the welding spot connecting liquid valve and remove the liquid valve. Valve plate Loosen 1 footing…

condenser

Loosen fixing screws Connecting chassis, and remove the condenser. Last remaining chassis. 58

Appendix

AUX Common Sensor R-T Analysis Table Temperature sensor R-T analysis table （15K ） Sensor standard resistance：15KΩ±3% MCU_A/D exchange B:B(25/50)=3950K±2％Reference temperature：25（℃） ±3LSB（at10bit） Series (sampling) resistor：10（KΩ）±1％ (except disk sensor) Single chip (A/D reference voltage) supply…

Sensor standard resistance：20KΩ±3% MCU_A/D exchange B:B(25/50)=3950K±2％ reference temperature：25（℃） ±3LSB（at10bit） Series（sampling）resistor：10（KΩ）±1％ Single chip (A/D reference voltage) supply voltage：5V Temp （℃） -30 -29 -28 -27 -26 -25 -24 -23 -22 -21 -20 -19 -18 -17 -16 -15 -14 -13 -12 -11 -10 -9…

Sensor standard resistance：50KΩ±2％ MCU_A/D exchange B:B(25/50)=3950K±2％ reference temperature：25（℃） ±2LSB（at8bit） Series（sampling）resistor：5.1（KΩ）±1％ Single chip (A/D reference voltage) supply voltage：5V Temp （℃） -20 -19 -18 -17 -16 -15 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 Resistance（KΩ）…

1.961 1.905 1.85 1.797 1.746 1.696 1.648 1.602 1.556 1.513 1.471 1.43 1.39 1.351 1.314 1.278 1.243 1.209 1.176 1.144 1.113 1.083 1.054 1.026 0.9986 0.9721 0.9463 0.9213 0.897 0.8734 0.8505 0.8283 0.8068 0.7858 0.7655 0.7458 2.066 2.007 1.95 1.895 1.841 1.789 1.739 1.69 1.643 1.598 1.554 1.511 1.469…

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