1. Manuals
  2. Brands
  3. AUKS Manuals
  4. Fan
  5. AFC-300CA/4
  6. Technical manual

AUKS AFC-300CA/4 Technical Manual

Fan coil unit four-way cassette type
Hide thumbs
Table of Contents

Advertisement

Quick Links

Technical Manual
Fan Coil Unit
(Four-way Cassette Type)
1

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the AFC-300CA/4 and is the answer not in the manual?

Questions and answers

Summary of Contents for AUKS AFC-300CA/4

  • Page 1 Technical Manual Fan Coil Unit (Four-way Cassette Type)
  • Page 2 Contents Part 1General description....................... 3 Part 2Unit information........................5 Part 3Product selection.........................32 Part 4Controller..........................35 Part 5Trouble shooting........................44...
  • Page 3 AUKS-Fan Coil Part 1 General description 1.1 Nomenclature...
  • Page 4 AUKS-Fan Coil 1.2Unit appearance Serie Range of the Air Volume(CFM) Four- Cass ette 300CFM 400CFM 500CFM 600CFM 800CFM 1000CFM 1200CFM 1400CFM...

  • Page 5: Table Of Contents

    AUKS-Fan Coil Part 2. Unit 2.1Feature..........................5 2.2Specfication ........................7 2.3Capacity amendment ......................9 2.4Dimension........................13 2.5Electrical wiring and connection..................14 2.6Installation ........................15 2.7Explode view ....................... 221...

  • Page 6: Feature

    AUKS-Fan Coil 2.1Feature Four-way cassette fan coil unit is installed under the ceiling, compared with Floor &Standing type A/C, it has following advantages: saving room space; Ceiling installation combining with the decoration, makes the room more elegant; Flexible installation in anywhere in the ceiling and 4-direction blowing, makes the indoor temperature is even and makes you feel more comfortable, so Cassette type A/C is a perfect replacing Product of Floor &...
  • Page 7 AUKS-Fan Coil Function Introduction AFC-**CA/4 AFC-**CA/4A Type Item 1000 1200 1400 Drainage failure alarm ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● Protect Sensor failure alarm ● ● ● ● ● ●...

  • Page 8: Specfication

    AUKS-Fan Coil 2.2Specfication Model AFC-300CA/4 AFC-400CA/4 AFC-500CA/4 AFC-600CA/4A Hi Speed 1020 Air Volume Medium Speed Low Speed Hi Speed 2712 3618 4514 5406 Cooling Capacity Medium Speed 2305 3075 3837 4595 Low Speed 1763 2352 2934 3514 Hi Speed 4070...
  • Page 9 AUKS-Fan Coil Model AFC-800CA/4 AFC-1000CA/4 AFC-1200CA/4 AFC-1400CA/4 1000 1200 1400 Hi Speed 1360 1700 2040 2380 1050 Air Volume Medium Speed 1020 1275 1530 1785 Low Speed 1020 1190 Hi Speed 7210 9018 10810 12611 Cooling Capacity Medium Speed 6129...

  • Page 10: Capacity Amendment

    AUKS-Fan Coil 2.3 Capacity amendment 2.3.1 Table of variable working condition performance for cooling capacity Table of variable working condition performance parameter under cooling mode Unit: W Air inlet temperature℃ 26℃ DB/18. 7℃ WB 27℃ DB/19℃ WB Water inlet temperature ℃...
  • Page 11 AUKS-Fan Coil Unit: W Air inlet temperature ℃ 27℃ DB/19. 5℃ WB 28℃ DB/22℃ WB Water inlet temperature ℃ Water Water Model pressure flow (CFM) drop (kg/h) (kPa) 2062 1529 1826 1416 1681 1410 2585 1916 2339 1813 2113 1567...
  • Page 12 AUKS-Fan Coil 2.3.2Table of variable working condition performance for heating capacity Table of variable working conditionperformance parameter under heating mode Unit: W Air inlet temperature ℃ 18℃ DB 20℃ DB Water inlet temperature ℃ Water Water Model pressure flow (CFM)
  • Page 13 AUKS-Fan Coil Unit: W Air inlet temperature ℃ 21℃ DB 22℃ DB Water inlet temperature ℃ Water Water pressure Model flow drop (kg/h) (kPa) 1657 2077 2507 3379 4251 5101 1560 1980 2421 3293 4154 5015 1716 2176 2626 3536...

  • Page 14: Dimension

    AUKS-Fan Coil 2.4 Dimension AFC-300CA/4,AFC-400CA/4,AFC-500CA/4 AFC-600CA/4A,AFC-800CA/4A AFC-1000CA/4A,AFC-1200CA/4A,AFC-1400CA/4A...

  • Page 15: Electrical Wiring And Connection

    AUKS-Fan Coil Electrical wiring and connection Introduction of control board QFPD-3F-HCE2 (PCB) sockets Indoor fan output Heat water Cold water Neutra Electric Drainage Transformer Power valve output valve output pump output input plug heater output Line plug High Mid Low Neutral...

  • Page 16: Installation

    AUKS-Fan Coil 2.6 Installation 2.6.1 Preparation and equipment before installation Preparation before installation Please buy the following accessory parts from the Besides common tools, the followings are also market needed. Hung bolts M12, 4 pcs. Drainage pipe PVC Two wrenches, one of them is torque spanner Nylon cable ties (big size) 5 pcs (small size) 5 pcs.
  • Page 17 AUKS-Fan Coil Unit suspension ◇ Select the suspension foundation: The suspension foundation is a structure of either wooden frame or reinforced concrete. It must be firm and reliable to bear at least 4 times weight of itself and capable of bearing vibration for long periods.
  • Page 18 AUKS-Fan Coil Drainage pipe installation ◇ The drain pipe should be properly insulated to prevent the generation of condensation , see picture as follows: Heat insulation material: rubber insulation pipe with the thickness of more than 8mm ◇Drainage pipe must have a downward gradient (1/50-1/100).If the drain pipe is installed ups and downs, it will cause water backflow or leakage etc.
  • Page 19 AUKS-Fan Coil Panel installation As to the MB12 panel please refer to the following picture, the panel has four hooks which attach to corresponding hangers on the unit and the panel should be positioned using these first. The panel is then fixed into position by four bolts which are accessed through the four corner panels on the grille.
  • Page 20 AUKS-Fan Coil 2.6.3 Electrical connection precaution Installation of electric items must be carried out by qualified, professional technicians. An isolated circuitry should be fixed with whole-pole disconnection devices, which is with at least 3mm gap of touch point. . Power supply and indoor to outdoor connection should use special cable. Providing the necessity of installation or replacement, the professional technician of service store appointed by manufacturer must be required, while self-operation by users is prohibited.
  • Page 21 AUKS-Fan Coil temperature to the temperature of cooling mode;  Set the mode at “Ventilation” (HI-FAN) mode and observe if there is strong air volume blown into the room and if there is abnormal noise of unit;  Open “Swing” button and check if air guide blade swings normally;...

  • Page 22: Explode View

    AUKS-Fan Coil 2.7Explode view AFC-300CA/4,AFC-400CA/4,AFC-500CA/4...
  • Page 23 AUKS-Fan Coil AFC-300CA/4 Material code Chinese name Part Name 16108004000004 (ROHS)面板 MB13 Panel MB13 16420012000004 面板 MB13 过滤网 Panel MB13 return air grille 16420007000023 (ROHS)面板 MB13 导风叶片 Panel MB13 air filter net 16430001000133 步进电机 24BYJ48-2 Panel MB13 guide wind vane 16422015000007 CJ(ROHS)显示灯板...
  • Page 24 AUKS-Fan Coil AFC-400CA/4 Material code Chinese name Part Name 16108004000004 面板 MB13 Panel MB13 16420012000004 面板 MB13 过滤网 Panel MB13 air filter net 16420007000023 (ROHS)面板 MB13 导风叶片 Panel MB13 guide wind vane 16430001000133 步进电机 24BYJ48-2 Step motor 16422015000007 CJ(ROHS)显示灯板 SX-DISP-01...
  • Page 25 AUKS-Fan Coil AFC-500CA/4 Material code Chinese name Part Name 16108004000004 面板 MB13 Panel MB13 16420012000004 面板 MB13 过滤网 Panel MB13 return air grille 16420007000023 (ROHS)面板 MB13 导风叶片 Panel MB13 air filter net 16430001000133 步进电机 24BYJ48-2 Panel MB13 guide wind vane 16422015000007 CJ(ROHS)显示灯板...
  • Page 26 AUKS-Fan Coil AFC-600CA/4A, AFC-800CA/4A, AFC-1000CA/4A, AFC-1200CA/4A, AFC-1400CA/4A...
  • Page 27 AUKS Fan CoilUnit information AFC-600CA/4A Material code Chinese name Part Name 16208001000002 面板 MB12 总装件 Panel MB12 16420014000011 (ROHS)面板 MB12 边角盖板 Panel cover board 16420010000004 (ROHS)面板 MB12 回风格栅 Return air grille assembly 16420012000001 Air filter net 空气过滤网 16420014000010 (ROHS)面板 MB12 围框...
  • Page 28 AUKS Fan CoilUnit information AFC-800CA/4A Material code Chinese name Part Name 16208001000002 面板 MB12 总装件 Panel MB12 16420014000011 (ROHS)面板 MB12 边角盖板 Panel cover board 16420010000004 (ROHS)面板 MB12 回风格栅 Return air grille assembly 16420012000001 Air filter net 空气过滤网 16420014000010 (ROHS)面板 MB12 围框...
  • Page 29 AUKS Fan CoilUnit information AFC-1000CA/4A Material code Chinese name Part Name 16208001000002 面板 MB12 总装件 Panel MB12 16420014000011 (ROHS)面板 MB12 边角盖板 Panel cover board 16420010000004 (ROHS)面板 MB12 回风格栅 Return air grille assembly 16420012000001 空气过滤网 Air filter net 16420014000010 (ROHS)面板 MB12 围框...
  • Page 30 AUKS Fan CoilUnit information AFC-1200CA/4A Material code Chinese name Part Name 16208001000002 面板 MB12 总装件 Panel MB12 16420014000002 面板边角盖板 Panel cover board 16320005000024 回风格栅组件 Return air grille assembly 16420012000001 空气过滤网 Air filter net 16420014000001 Panel frame assembly 面板围框组件 16430001000133 步进电机...
  • Page 31 Service Manual Part 3 Product selection 3.1Precautions of product selection.................32 3.2Methods of product selection ..................33...
  • Page 32 Service Manual 3.1Precautions of product selection At given airflow and temperature of a fan coil unit, when water supply changes, so does the cooling capacity. Based on statistics of the performance of some products, when water supply temperature is 7℃ at 80% water supply, the cooling capacity is about 92% of the original level, indicating slow effect of the water supply change to cooling capacity.
  • Page 33 Service Manual 3.2Methods of product selection Enthalpy difference correction Make corrections based m-the ratio between the enthalpy difference during actual operation and that at standard condition, and calculate the actual cooling capacity of the fan coil, then select the correct fan coil based on actual cooling capacity.
  • Page 34 Service Manual Part 4 Controller 4.1General information Remote controller, wired controller, display panel Remote controller Wired controller Display panel Standard Optional Standard...
  • Page 35 Service Manual 4.2 Remote controller 4.2.1 Basic condition of remote controller Name Figure Basic condition for operation 1.Power source Use 2 pcs No. 7 batteries,working voltage:2.0V-5.0V; 2. Signal frequency:infrared frequency 38kHz; 3. Remote distance:max working distance is7m. Remote controller Key operation introduction: Temperature setting range 16℃...
  • Page 36 Service Manual TIMER/CLOCK button: Clock Setting: Normally display the clock set currently (display 12:00 for the first electrifying or resetting). When press the button for 5 seconds, the time display zone will flicker, then press【+】 and 【-】 button and to adjust hour that uses 12-hour clock including “A.M.” and “P.M.” time; press the button again to complete the setting.
  • Page 37 Service Manual Remote conntroller:HseriesLCD display instruction NOTE： ON/OFF display: When the remote controller is on the state, the LCD will be display or not. Digital display: Under the state of normal working, it displays setting temperature. While the feeling function is start, it will display room temperature, and under the state of timer mode, it will display setting timer.
  • Page 38 Service Manual temperature displayed in the temperature display area. SCREEN button:Press the button to let the LCD display working or not by pressing the button. 4.2.2.2 Operation instructions Automatic operation 1.Start the air conditioner by depressing the ON/OFF button. 2.Depress the MODE button to select AUTO mode; 3.Depress air speed button to select between “Auto→Low speed →...
  • Page 39 Service Manual Ventilation operation 1.Start the air conditioner by depressing the ON/OFF button; 2.Depress the MODE button to select VENTILATION mode; 3.Depress air speed button to select between “Auto→Low speed → Middle speed→High speed”; 4.Stop the air conditioner by depressing the ON/OFF button again.
  • Page 40 Service Manual 4.3 Wired controller 4.3.1 Basic condition of wired controller Name Figure Basic condition for operation 1. Power source:voltage DC 12V; Wired 2. Work temperature range of PCB:(-10~+70)℃; controller 3. Work humidity range of PCB:RH20%~RH90%; 4.3.2 Function Wired controller:XK-02 ON/OFF button Switch the unit ON/OFF.
  • Page 41 Service Manual 1 Press the button to the sleeping indicator light of indoor unit flashes on; 2 After the setting of sleeping mode,the cooling operation enables the set temperature to increase 1℃ after 1 hour and another 1℃ auto-matically after 1hour. 3 After the setting of sleeping mode,the heating operation enables the set temperature to drop 2℃...
  • Page 42 Service Manual Part 5Trouble shooting 5.1 Electrical system main components ................43 5.2Main functions of the unit .................... 44 5.3 Poor efficiency explanation ..................51 5.4Electric components malfunction inspection .............51 5.5DIP setting and Failure code ..................52 5.6Failure analysis ......................53...

  • Page 43: Electrical System Main Components

    Service Manual Electrical system main components Appellation Figuration and inner configuration Instruction Function: Via program to control the relay, make every components on/off according to temperature and pressure variety, so to realize automatic control pump head 1.2meter,the condensate pipe must have over 1/100 Drainage descend angle, after unit cooling or pump...

  • Page 44: Main Functions Of The Unit

    Service Manual 5.2Main functions of the unit 5.2.1 Forced Switch Pressing the button will shut down air conditioner when it is under operation; pressing the button will start air conditioner when it is under shutdown. After pressing the button to start, the unit will operate under auto mode and operate after system selects operating mode;...
  • Page 45 Service Manual There is a 2 minutes delay from high speed to low speed to avoid speed fluctuation. Cooling electric valve closes Cooling electric valve opens Auto fan speed High speed Low speed Middle speed Fan stops Cooling electric valve closes Cooling electric valve opens Setting fan speed Fan stops Low speed...
  • Page 46 Service Manual 5.2.4Dehumidifying operation 1.Under dehumidifying mode , the water drainage pump will always open , with temperature controlled in the range of 16℃ - 32℃ and other actions as follows: (1) When TA ≥ TS+2℃, the cooling electric valve will open and the indoor fan will operate at set speed;...
  • Page 47 Service Manual When TA-TS≥1℃, the cooling electric valve will close and the indoor fan will operate at low speed , with electric heater turned off when using single electric heater; When TA-TS≥2℃, the indoor fan will be turned off. The logic control map is as shown in Figure 5. The low speed operation of the indoor fan will be activated 40 seconds after 5 minutes, if TA-TS≥2℃...
  • Page 48 Service Manual (Figure7) 5.2.6.9There are timing, sleeping, power fail memory, temperature sensing (reserved) functions under this mode.
  • Page 49 Service Manual 5.2.7Swing control 5.2.7.1Under default, swing angle of controller is mode A/B in the first group (it is selected through No.3 red selector of dial switch: ON for mode “E” and OFF for mode “F”): Mode E: ON/OFF action of step speed is 1step/16MS and normal swing speed is 1step /24MS; Fully opening angle is 52°;...
  • Page 50 Service Manual When the unit is turned ON/OFF after the timing is set, the original timing and sleeping functions will be automatically canceled. 5.2.9Sleeping The sleeping function is effective under AUTO, cooling, dehumidifying, heating modes. After the sleeping function is activated, the indoor fan will operate at low air speed and the sleeping indicator will light;...

  • Page 51: Poor Efficiency Explanation

    Service Manual dehumidifying mode, the water drainage pump will always operate at an energized manner. Whenever a water level action is detected, the water drainage pump is running , a trouble code “A4”will display. The minimum operating time of the water drainage pump is 1 minute; If the water level switch is still not recovered after 30 minutes, the water drainage pump will continue to operate;...

  • Page 52: Dip Setting And Failure Code

    5.5DIP setting and Failure code 5.5.1 PCB DIP Setting Setting state of dial switch on controller varies with different models. Although AUKS has adjusted dial switch to proper position when it leaves factory, customer service personnel still need to pay attention to this during maintenance of air conditioner.

  • Page 53: Failure Analysis

    Service Manual 5.6Failure analysis Wired controller communication failure...
  • Page 54 Service Manual Drainage system failure...
  • Page 55 Service Manual No action after power-on...
  • Page 56 Service Manual Poor Performance during Unit Operation...
  • Page 57 Service Manual...
  • Page 58 Service Manual Abnormal sound or vibration...
  • Page 59 Service Manual Abnormal odor...
  • Page 60 Service Manual Air conditioner water leakage...

This manual is also suitable for:

Afc-500ca/4Afc-400ca/4Afc-600ca/4a

Table of Contents