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Summary of Contents for Kaysun KCT-03 SR
- Page 1 INSTALLATION AND OWNER’S MANUAL Wired Controller KCT-03 SR Thank you for purchasing the remote controller. This manual describes the safety precaution requirement of using this product.
- Page 2 ● R ead this manual carefully and be sure you understand the information before attempting to use the controller. ● K eep this manual where it is readily accessible after reading it through. ● I f another user operates the controller in the future, be sure to hand over this manual to the new user.
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Page 3: Table Of Contents
Contents Installation ..........................1 1. Safety Precautions .......................1 2. Accessories ..........................3 3. Installation Procedure ......................4 Operation ..........................8 1. Safety Precautions .......................8 2. Parts of the Wired Controller ....................9 3. Icons in the Display ......................10 4. Operation Guide ......................... 10 Field Setting .......................... -
Page 4: Installation
Installation 1. Safety Precautions Please read these Safety Precautions carefully before installing the wired controller. T his manual classifies the precautions into WARNING and CAUTION. They both contain important information regarding safety. Be sure to follow all the precautions below. Identifier Meaning Warning Failure to follow these instructions properly may result in personal injury. Failure to observe these instructions properly may result in property damage or Caution personal injury, which may be serious depending on the circumstances. Important Indicates a useful hint or additional information. A fter completing the installation, conduct a trial operation to check for faults and explain to the customer how to operate the controller with the aid of the operation manual. Ask the customer to store the installation manual along with the operation manual for future reference. Warning ● Ask your dealer or qualified personnel to carry out installation work. Do not attempt to install the wired controller yourself. Improper installation may result in leakage, electric shocks or fire. ● Consult your local dealer regarding relocation and reinstallation of the wired controller. Improper installation work may result in leakage, electric shocks or fire hazards. ● Install the wired controller in accordance with the instructions in this manual. Improper installation may result in water leakage, electric shocks or fire. - Page 5 ● I nstall the wired controller on a foundation strong enough to withstand the weight of the wired controller. Insufficient strength may result in the wired controller falling down and causing injury. ● E lectrical work must be performed in accordance with the relevant local and national regulations and with the instructions in this manual. Be sure to use a dedicated power supply circuit only. Insufficient power circuit capacity and improper workmanship may result in electric shocks or fire. ● A lways perform installation work with the power turned off. pressing electric parts may result in electric shock. ● D o not disassemble, reconstruct or repair.
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Page 6: Accessories
2. Accessories P lease check that you have all the following parts. Table 2.1 Name Schematic Qty. Remarks Used to install the wired controller on Philips head screw,M4X25mm the electrical box Used to install the wired controller on Plastic support bar φ5X16mm the electrical box Operation and Installation Manual P lease prepare the following parts on site. Table 2.2 Name Qty. -
Page 7: Installation Procedure
3. Installation Procedure 3-1 Determine Where to Install the Wired Controller Make sure to refer to "1. Safety Precautions" to determine the location 3-2 Structural Dimensions 20mm 86mm 20mm 86mm FOLLOW ME 60mm Figure 3.1 Figure 3.2 FOLLOW ME 60mm 3-3 Rear Cover Installation 3-3-1 Insert a small slotted-head screwdriver into the bottom slot of the wired controller and rotate in the direction indicated to remove the rear cover of the wired controller. Pay attention to the direction of rotation to prevent any... - Page 8 Use a cutting tool to adjust the lengths of the two plastic support bars Screw post of electrical box Use a cutting tool to adjust the lengths of the two plastic support bars Screw post of electrical box Figure 3.4 Fix the support bars in the 3-3-3 Once the heights of the plastic support bars are adjusted, fix the bars on the rear cover. (see Figure 3.5) direction of the arrow...
- Page 9 3-4-1 Wiring specification Type 2-core shielded copper wire Diameter AWG 16-20 Length Maximum 200m 3-4-2 Communication wiring • The communication between the indoor unit and wired controller is bi-directional communication. The parameters displayed on the wired controller are refreshed in real time according to changes in the parameters of the indoor unit. • X1 and X2 are terminals to connect the indoor unit and wired controller. There is no polarity between X1 and X2. • The longest wiring length between the wired controller and indoor unit is 200 meters. One controller to one indoor unit connection method P/Q/E P/Q/E P/Q/E P/Q/E X1/X2 X1/X2 X1/X2 ○○○ ○○○ 1-to-1 1-to-1 1-to-1 One controller to one indoor unit connection method Figure 3.7 ...
- Page 10 P/Q/E P/Q/E P/Q/E P/Q/E X1/X2 X1/X2 X1/X2 X1/X2 Not allowed X1/X2 ○○○ 2-to-1 1-to-1 2-to-1 Two controllers to one indoor unit connection method Figure 3.8 • F or the two controllers to one indoor unit connection method, two wired controllers control the same indoor unit, where one controller will be the "Main", and the other be the "Secondary". Refer to "Field setting". The default setting of the wired controller is set to main controller. • T his method is only available for two KCT-03 SR wired controllers. 3.5 Install Main Body of Wired Controller Take the shielded wiring that has been pre-embedded in the wall and pass it through the wiring hole of the rear cover of the wired controller. Once connected, connect the wiring to the terminal X1/X2 (CN2) of the wired controller, and fix the wired controller to the rear cover. (see Figure 3.9)
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Page 11: Operation
Operation 1. Safety Precautions This controller is not intended to be used by persons, including children, with reduced physical, sensory or mental capabilities or lack of experience and knowledge, unless they are supervised or have been given instructions on how to use the controller by a person responsible for their safety. Childen should be supervised to ensure that they do not play with the controller. Please read the Safety Precautions carefully before operating the wired controller. The Safety Precautions classifies the precautions into WARNING and CAUTION. They both contain important information regarding safety. Be sure to follow all the precautions below. Identifier Meaning Warning Failure to follow these instructions properly may result in personal injury. Failure to observe these instructions properly may result in property damage or personal Caution injury, which may be serious depending on the circumstances. Warning ● Do not install the wired controller by yourself. Improper installation may result in electric shocks or fire. Consult your dealer. -
Page 12: Parts Of The Wired Controller
Caution ● Do not play with the wired controller. Accidental operation by a child may result in impairment of bodily functions and harm health. ● Never disassemble the wired controller. Pressing the interior parts may result in electric shocks or fire. Consult your dealer or authorized contractor for internal inspections and adjustments. ● To avoid electric shocks, do not operate with wet hands. ●... -
Page 13: Icons In The Display
3. Icons in the Display ⑤ 1. Clean filter reminder indicator 6. Function ① ⑦ 2.Fan speed 7.Lock indicator ② ⑧ 3. Indoor unit ON/OFF ⑨ 8.Signal transmission indicator ⑩ ③ 4.Swing 9.Timer ON/OFF 5.Operating mode ④ 10.Temperature ⑥ Figure 5.1 Note1: W hen the indoor unit is on, the icon " 4. - Page 14 Auto →Cool→Heat→Dry→Fan In the "Auto", "Cool", "Dry", or "Heat" mode, press ▲ and ▼ buttons to adjust to the setting temperature. (see Figure 6.4) Auto →Cool→Heat→Dry→Fan Figure 6.4 Note: • The "Auto" mode is not available for all air conditioner models. • Temperature setting is not available in the "Fan" mode. • "Dry" mode and "Auto" mode is not available for FAPU. 4-3 Fan Speed Setting Figure 6.5 In the "Cool", "Heat" or "Fan" mode, press (Fan speed) button to set the operating fan speed (see Figure 6.5). If the wired controller is configured with seven fan speeds, press (Fan speed) button to set the fan speed in turn as shown in Figure 6.6.
- Page 15 Press (Swing) button to control the swing of the vertical louver of indoor unit (see Figure 6.8). When the unit is on, the display icon shows the swing angle of the current louver. Press (Swing) button, and the louver switches from the current angle to the angles in turn as shown in Figure 6.9. Figure 6.9 Angle 1 Angle 2 Angle 3 Angle 4 Angle 5 Auto Stop When the louver is in "Auto" state, Press (Swing) button again, and the louver will stop at the current operating angle, and the display icon will show the current angle of the louver after 10 seconds. Angle 1 Angle 2 Angle 3 Angle 4 Angle 5 Auto Stop Note: • The swing function is only available for indoor units configured with vertical louver. • When the unit is off, the (Swing) button is invalid, and the wired controller automatically turns off the swing function, and the display icon will no longer show the swing angle. • This wired controller is unable to control horizontal swing in indoor unit.
- Page 16 4-5-2 Silent The "Silent" function is used to send the "Silent" control signal to the indoor unit. The indoor unit automatically optimizes the noise it generates when it is in the "Silent" state. • Turn on/off the "Silent" function: press (Function) button to switch to the "Silent" function (" " blinks), and press (Confirm) button to turn on the function or (Cancel) button to turn off the function (see Figure 6.13). Start Figure 6.13 Blink...
- Page 17 The "Follow Me" function of the wired controller is on by default, and its icon lights up when the function is on. 1) Turn off "Follow Me": Press (Swing) and (Confirm) buttons at the same time, and hold for 5 seconds to turn off the "Follow Me" function, and its icon disappear. 2) Turn on "Follow Me": When the "Follow Me" function is off, Press (Swing) and (Confirm) buttons at the same time, and hold for 5 seconds to start the "Follow Me" function again, and display its icon " " (see Figure 6.15). Figure 6.15 Press at the same time and hold for 5 seconds Note: •...
- Page 18 Note: • When the unit is on, the wired controller can be used to set the timer information for "Timer Off" and "Timer On", and when "Timer Off" is cancelled, "Timer On" will be cancelled as well. When the unit is off, timer information for both "Timer On" and "Timer Off" can be set, and when "Timer On" is cancelled, "Timer Off" will be cancelled as well. • Once the wired controller has set the timer information, the Timer icon in the display of the indoor unit will not light up until the preset timing when the wired controller sends the ON/OFF signal to the indoor unit. • Secondary wired controller has no timer function. 4-6 Clean Filer Reminder Figure 6.17 • W hen the operating time reaches the preset time, the Filter icon " " lights up to remind users to clean the filter. • Press and hold (Swing) button for 5 seconds to remove the Filter icon "...
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Page 19: Field Setting
Note: • T he main wired controller can set the "Timer", "Filter" and "Indoor unit commissioning parameter" , but not the secondary remoter controller. • The "Follow Me" function of the main wired controller is effective but the secondary wired controller does not have this function. • I f either controller is used to change the operating state of the indoor unit, the change will be synchronized to the parameters in the other controller. Field Setting 1. Restore Factory Default • A t any time, press and hold (Mode), (Function), ▲ and ▼ buttons at the same time for 5 seconds, and the wired controller will reset. Figure 7.1 2. -
Page 20: Commissioning Parameter Settings
Commissioning Parameter Settings • Commissioning parameter can be set when the unit is on or off. • Press and hold (Function) and (Mode) buttons for 5 seconds to go to the page for commissioning parameter settings. Figure 7.3 • Go to the commissioning parameter setting page. Check that "C0" is displayed in the temperature display area. Press ▲ and ▼ buttons to change the "commissioning parameter Code". - Page 21 00: 3 fan speeds Default is 7 fan speeds. Fan speed setting in 01: 4 fan speeds The bi-directional communication automatically wired controller 02: 7 fan speeds identifies 3 fan speeds or 7 fan speeds. Reserved 00: No If “00” is selected, the wired controller will display the Display indoor room setting temperature when the backlight is off. If “01” temperature is selected, the wired controller will display the room 01: Yes temperature when the backlight is off. 00: Off Select “On” and the operating indicator will show the ON/OFF state Settings to turn on/off...
- Page 22 Parameter Parameter Content Select Parameters Default Value Remarks Code 00: None Indoor unit auxiliary Common Indoor heater setting Unit: 01 FAPU: 00 01: Available 00: None Indoor unit auto-restart setting 01: Available 00: None Indoor unit vertical swing Common Indoor setting Unit: 01 FAPU: 00 01: Available Common Indoor 00: None Indoor unit horizontal Unit: 01...
- Page 23 1 O nce the indoor unit and wired controller communicate successfully, the default parameters of the above table will synchronize to the indoor unit settings. 2 Only for medium static duct unit Capacity 1.8-7.1kW 10Pa 20Pa 30Pa 40Pa 50Pa 50Pa 50Pa 50Pa 50Pa 8.0-12.5kW 10Pa 20Pa 30Pa 40Pa 50Pa 60Pa 70Pa 80Pa 90Pa 100Pa...
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Page 24: Query Operations
4. Query Operations In the main page, press and hold (Fan speed) and (Confirm) buttons at the same time for 5 seconds to go to the query page. You can query the check operation parameters of the outdoor and indoor units as well as the program version of the wired controller. Figure 7.4 Press ▲ and ▼ buttons to select the indoor or outdoor unit: o00-o03 for outdoor unit; n00-n63 for indoor unit. • Press (Confirm) button to query the parameter, or (Cancel) button to quit the query function. • I n the query page, press ▲ and ▼ buttons to query the parameters. Parameters can be queried in turn. • The "Check No." is displayed in the timer area at the top of the query page, and the contents of the checked parameter is displayed in the temperature area. Parameter displayed on the wired controller during IDU spot check IDU communication address Capacity (HP) of IDU... - Page 25 Parameter displayed on the wired controller during ODU spot check ODU address Outdoor ambient(T4) temperature (°C) T2/T2B average Temp. (corrected) (°C) Main heat exchanger pipe(T3) temperature (°C) Discharge Temp. of compressor A(°C) Discharge Temp. of compressor A(°C) Inverter compressor A current (A) Inverter compressor B current (A) Reserved Fan speed EXVA position/4 EXVB position/4 EXVC position/4 Operating mode Priority mode Total capacity requirement correction of indoor unit Number of outdoor units Total capacity of outdoor unit...
- Page 26 Parameter displayed on the wired controller during ODU spot check High pressure of system Low pressure of the system (reserved) Most recent error or protection code Inverter compressor A frequency Inverter compressor B frequency Unit capacity Program version No. Address of VIP indoor unit Reserved 2 Reserved 2...
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Page 27: Error Display
5. Error Display • W hen there is a communication error between the wired controller and the indoor unit, the wired controller will show the error code "E9", an indication of a communication failure in wired controller. • W hen the indoor or outdoor unit fails, the display of the wired controller shows the address of faulty unit(s) in the timer area, and the error code in the temperature area. Table 6.1 List of IDU error codes: Error Code Error Definition and Description Indoor unit has no address Mode conflict error Communication error between indoor and outdoor units T1 sensor error T2 sensor error T2B sensor error T2A sensor error (Reserved) Fan error in indoor unit EEPROM error fault... - Page 28 Table 6.2 List of ODU error codes: Error Error Code Error Definition and Description Error Definition and Description Code ODU communication fault PTC error Three-phase power supply phase Error in temperature sensor at T6B plate heat protection exchanger outlet Communication error between Error in temperature sensor at T6A plate heat indoor and outdoor units exchanger inlet Error in condenser temperature...
- Page 29 List of ODU error codes: Error Error Error Definition and Description Error Definition and Description Code Code Inverter module protection fault Inverter module fault 3X P2 protection fault in 60 minutes DC bus low voltage protection 3X P4 protection fault in 100 minutes DC bus high voltage protection IDU qty decrease fault Reserved High-pressure sensor fault MCE fault/synchronization/closed loop 3X P9 protection in 60 minutes Zero speed protection Low pressure sensor fault Phase sequence error protection Protection against sudden speed 3X PL protection in 100 minutes change in compressor > 15Hz Protection to prevent the difference...
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Page 30: Troubleshooting
Troubleshooting Error code and Possible Causes Possible Solutions description IDU is not powered on Power on the IDU. First power off the IDU, and then check if the wired controller connection is Wired controller connection error No display on the correct. See Section 3.4 on the wiring wired controller requirements. Wired controller damaged Replace the wired controller. Power supply failure of the IDU main PCB Replace the IDU main PCB. Set an address for the IDU; duplicated IDU has no address or IDU address duplicated IDU addresses are not allowed in the same system. - Page 31 MD18U-003BW 16117100001523...
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