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AUKS AFC-500CF/4 Technical Manual

Ceiling&floor type afc-**cf/4 series
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Technical Manual
Fan Coil Unit
(Ceiling&Floor Type)
1

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Summary of Contents for AUKS AFC-500CF/4

  • Page 1 Technical Manual Fan Coil Unit (Ceiling&Floor Type)

  • Page 2: Table Of Contents

    Service Manual Contents Part 1 General description....................3 Part 2. Unit ..........................5 Part 3 Product selection.....................31 Part 4 Controller ......................... 34 Part 5 Trouble shooting......................43...

  • Page 3: Part 1 General Description

    AUKS-Fan CoilGeneral description Part 1 General description 1 Nomenclature...
  • Page 4 AUKS-Fan CoilGeneral description 2 Unit appearance Series Range of the Air Volume(CFM) Ceiling &Floor 400CFM 500CFM 600CFM 800CFM 1000CFM...

  • Page 5: Part 2. Unit

    AUKS Fan CoilUnit information Part 2. Unit 1. Feature..........................6 2. Specfication........................8 3. Capacity amendment......................10 4. Demension........................14 5. Electrical wiring and connection...................15 6. Installation ........................17 7. Explode view ........................22...

  • Page 6: Feature

    AUKS Fan CoilUnit information 1.Feature Ceiling floor fan coil unit, as its name suggests, can either be suspended from the ceiling, or floor installed against the wall.Compared with other fan coil units, it has the following advantages: Suspended from the ceiling, it occupies no indoor space;...
  • Page 7 AUKS Fan CoilUnit information Function Introduction AFC-**CF/4 Type Item 1000 ● ● ● ● ● Cooling ● ● ● ● ● Heating ● ● ● ● ● 3-Speed Adjustable ESP － － － － － Comfort ● ● ● ●...

  • Page 8: Specfication

    AUKS Fan CoilUnit information 2.Specfication Model AFC-400CF/4 AFC-500CF/4 AFC-600CF/4 Hi Speed 1020 Air Volume Medium Speed Low Speed Hi Speed 3600 4514 5406 Cooling Capacity Medium Speed 3075 3837 4595 Low Speed 2352 2934 3514 Hi Speed 5418 6767 8115...
  • Page 9 AUKS Fan CoilUnit information Model AFC-800CF/4 AFC-1000CF/4 1000 Hi Speed 1360 1700 Air Volume Medium Speed 1020 1275 Low Speed Hi Speed 7210 9000 Cooling Capacity Medium Speed 6129 7665 Low Speed 4687 5862 Hi Speed 10807 13512 Heating Capacity...

  • Page 10: Capacity Amendment

    AUKS Fan CoilUnit information 3 Capacity amendment 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 CoilUnit information variable working condition performance parameter table (continued) 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) 2714 2012 2403...
  • Page 12 AUKS Fan CoilUnit information 3.2 Table of variable working condition performance for heating capacity Table of variable working condition performance parameter under heating mode Unit: W Air inlet temperature ℃ 18℃ DB 20℃ DB Water inlet temperature ℃ Water Water...
  • Page 13 AUKS Fan CoilUnit information Table of c variable working condition performance parameter under heating mode (continued) Unit: W Air inlet temperature ℃ 21℃ DB 22℃ DB Water inlet temperature ℃ Water Water pressure Model flow drop (kg/h) (kPa) 2190 2744...

  • Page 14: Demension

    AUKS Fan CoilUnit information 4. Demension AFC-400CF/4, AFC-500CF/4 AFC-600CF/4, AFC-800CF/4 AFC-1000CF/4...

  • Page 15: Electrical Wiring And Connection

    AUKS Fan CoilUnit information 5. Electrical wiring and connection...
  • Page 16 AUKS Fan CoilUnit information Introduction of control board QFPD-3F-HCE2 (PCB) sockets Indoor fan output Heat Cold Line for Neutra Primary of Electric Line Water water electric water linsert transformer heater insert pump High Mid Low Neutral valve heater valve 4-DIP switch...

  • Page 17: Installation

    AUKS Fan CoilUnit information 6. Installation 6.1 Preparation and equipments before installation ◇Work preparation Required materials and major devices: a. The fan coil to be used shall have the conformity certificated issued by the factory, or quality appraisal documents. b. The structural and installation type, outlet direction, water inlet position of the fan coil unit shall meet the requirement of design and installation.

  • Page 18: Installation Precaution

    AUKS Fan CoilUnit information Protection of finished products: a. After the fan coils are shipped to the site , measures shall be taken to keep them in good condition and to place them in an orderly manner. The fan coils shall be protected from rainy and snowy weathers.
  • Page 19 AUKS Fan CoilUnit information g. A filter shall be installed at the inlet opening of the cold water pump to prevent the heat exchanger from being polluted and blocked; h. As for fan coils without a air filter, install a filter screen over the air return opening , to prevent dust from jamming the fins of the fan coil and to ensure the heat exchanging effect;...
  • Page 20 AUKS Fan CoilUnit information ◇ When finish installation,please carry out the drainage test to ensure that the water flow through the pipeline fluently, and carefully observe the junction to ensure that there is no water leakage at the junction. If the unit is installed in the newly built house, strongly recommend that this test taken before the ceiling installation.
  • Page 21 AUKS Fan CoilUnit information leakage at the connection. No repair work can be done when there is a water pressure. d. The water shall be added to the system in a layered manner. The air discharging and testing shall also be carried out layer by layer.

  • Page 22: Explode View

    AUKS Fan CoilUnit information 7. Explode view AFC-400CF/4, AFC-500CF/4...
  • Page 23 AUKS Fan CoilUnit information AFC-400CF/4 Material code Chinese name Part Name Quantity 16420012000002 ALCe-H24B4/C5 滤网 Air-inlet filter 16420010000002 ALCe-H24B4/C5 格栅 Air-inlet grill 16420015000002 ALCe-H24B4/C5 左装饰板 Left side adornment plank 16421038000009 ALCe-H24B4/C5 电控盒 The electricity controls a box The electricity controls a box of 16421005000205 ALCe-H24B4/C5 电控盒盖...
  • Page 24 AUKS Fan CoilUnit information AFC-500CF/4 Material code Chinese name Part Name Quantity 16420012000002 ALCe-H24B4/C5 滤网 Air-inlet filter 16420010000002 ALCe-H24B4/C5 格栅 Air-inlet grill 16420015000002 ALCe-H24B4/C5 左装饰板 Left side adornment plank 16421038000009 ALCe-H24B4/C5 电控盒 The electricity controls a box The electricity controls a box of 16421005000205 ALCe-H24B4/C5 电控盒盖...
  • Page 25 AUKS Fan CoilUnit information AFC-600CF/4, AFC-800CF/4 AFC-600CF/4 Material code Chinese name Part Name Quantity 16420012000002 ALCe-H24B4/C5 滤网 Air-inlet filter 16420010000002 ALCe-H24B4/C5 格栅 Air-inlet grill(white) 16420012000003 ALCe-H24B4/C5 中滤网 In the center filter net 16420010000003 ALCe-H24B4/C5 中格栅 Air-inlet grill(white) 16420015000002 ALCe-H24B4/C5 左装饰板...
  • Page 26 AUKS Fan CoilUnit information 11220544000008 R51L/C(5)双联压线座组件 Compress tightly electric wire seat 16427001000003 端子板 5 位(600V 4mm2)Ⅳ Terminal board 16422005000017 (ROHS)变压器 TDB-8-B(PTC) Transformer 16430015000031 (ROHS)电容 2.0μF/450V a.c Capacitor 11222009001486 R 控制板 QFPR-3F(2S)-SYE1 PCB board 16444002000003 上涡壳 ALCe-H24B4/C5 Top plastics 16444002000004 下涡壳 ALCe-H24B4/C5...
  • Page 27 AUKS Fan CoilUnit information 16420010000003 ALCe-H24B4/C5 中格栅 Air-inlet grill(white) 16420015000002 ALCe-H24B4/C5 左装饰板 Left side adornment plank 16421038000009 ALCe-H24B4/C5 电控盒 The electricity controls a box The electricity controls a box of 16421005000205 ALCe-H24B4/C5 电控盒盖 cover 11220544000008 R51L/C(5)双联压线座组件 Compress tightly electric wire seat 16427001000003 端子板...
  • Page 28 AUKS Fan CoilUnit information AFC-1000CF/4 Material code Chinese name Part Name Quantity 16420012000002 ALCe-H24B4/C5 滤网 Air-inlet filter 16420010000002 ALCe-H24B4/C5 格栅 Air-inlet grill(white) 16420012000003 ALCe-H24B4/C5 中滤网 In the center filter net 16420010000003 ALCe-H24B4/C5 中格栅 Air-inlet grill(white) 16420015000002 ALCe-H24B4/C5 左装饰板 Left side adornment plank 16421038000009 ALCe-H24B4/C5 电控盒...
  • Page 29 AUKS Fan CoilUnit information 16444001000004 风轮 φ145×190×φ15 Centrifugal fan assembly 16420014000007 ALCe-H24B4/C5 左盖板 The left side covers 16421001000029 ALCe-H24B4/C5 左挂架 Left suspend plate Bracket board welding assembly of 16321006000005 ALCe-H24B4/C5 左侧板组件 left-hand 16428001000017 ALCe-H24B4/C5 左泡沫 Left foam 16321006000020 ALCe-H42A5/C5 背板组件...
  • Page 30 AUKS Fan CoilUnit information...

  • Page 31: Part 3 Product Selection

    AUKS Light CAC R22 60Hz T3 Controller Part 3 Product selection 1. Precautions of product selection..................32 2. Methods of product selection ..................33...
  • Page 32 AUKS Light CAC R22 60Hz T3 Controller 1. Precautions 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℃...
  • Page 33 AUKS Light CAC R22 60Hz T3 Controller Table 1 Air treatment temperature process of a fan coil 2. Methods 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: Part 4 Controller

    AUKS Light CAC R22 60Hz T3 Controller Part 4 Controller 1.General information Remote controller, wired controller, display panel Remote controller Wired controller Display panel 2 Standard Optional Standard...

  • Page 35: Remote Controller

    AUKS Light CAC R22 60Hz T3 Controller 2 Remote controller 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.
  • Page 36 AUKS Light CAC R22 60Hz T3 Controller 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.”...
  • Page 37 AUKS Light CAC R22 60Hz T3 Controller Remote conntroller:H series LCD 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.

  • Page 38: Operation Instructions

    AUKS Light CAC R22 60Hz T3 Controller will be activated with the temperature of the zone where the body is located displayed in the temperature display area, realizing the effect of “temperature changing with the body movement”. 2.Pressing this button again will deactivate the temperature sensing function, with preset temperature displayed in the temperature display area.
  • Page 39 AUKS Light CAC R22 60Hz T3 Controller 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”;...
  • Page 40 AUKS Light CAC R22 60Hz T3 Controller 3 Wired controller 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%;...
  • Page 41 AUKS Light CAC R22 60Hz T3 Controller Wired controller: XK-02 ON/OFF button Switch the unit ON/OFF. Mode button: Select mode , push the button one time, then the operation modes will change in turn as below: Auto-Cooling-Dehumidify-Heating Temp +/- button: Press the button can adjust temperature. Temperature adjustment range: 16~32℃.
  • Page 42 AUKS Light CAC R22 60Hz T3 Controller Remark: When setting functions such as mode, temperature, swing and fan speed, display screen displays all presetting parameters and remains constant; after reaching presetting time, air conditioner will automatically start as per presetting state.

  • Page 43: Part 5 Trouble Shooting

    AUKS Light CAC R22 60Hz T3Type selection Part 5 Trouble shooting 1. Electrical system main components ................44 2. Main functions of the unit ..................... 44 3. Poor efficiency explanation ...................39 4.Electric components malfunction inspection ...............39 5. DIP setting and failure code..................52...

  • Page 44: Electrical System Main Components

    Service Manual 1. 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 Induce the single-phase motor produce gyre magnetic field, connect with Capacitor...

  • Page 45: Auto Fan Speed

    Service Manual When TA - TS≤-2℃,the indoor fan will close. The logic control map is as shown in the figure. The low speed operation of the indoor fan will be activated 40 seconds after 5 minutes, if TA - TS≤-2℃ is still satisfied ,the indoor fan will remain stopped for 5minutes before reactivate low speed operation for 40 seconds;...
  • Page 46 Service Manual Cooling electric valve Motor of indoor unit O FF Electric heater 8.There are timing, sleeping, power fail memory, temperature sensing (reserved) functions under this mode; 2.3 Dehumidifying operation 1.Under dehumidifying mode , the water drainage pump will always open , with temperature controlled in the range of 16℃...
  • Page 47 Service Manual with AUKSiliary electric heater turned off when using single electric heater; 5.When TA-TS≥2℃, the indoor fan will be turned off 30 seconds after the cooling electric valve is closed. The low speed operation of the indoor fan will be activated 40 seconds after 5 minutes, if TA-TS≥2℃ the indoor fan will remain stopped for 5minutes before reactivate low speed operation for 40 seconds;...
  • Page 48 Service Manual Heating electric valve Motor of indoor unit Electric heater (Figure7) 9.There are timing, sleeping, power fail memory, temperature sensing (reserved) functions under this mode. 2.6 Swing control 1.At default, the air outlet oscillating angle of the controller is the E/F mode of the first group (to be selected by DIP switch: ON is mode E, OFF is mode F): Mode E: The stepping speed switch will operate at 16MS /step and normal air oscillating will operate at 24MS/step;...
  • Page 49 Service Manual The range of heating air oscillating angle is 40 degree; The initial position of the cooling air oscillating is 80 degree backward from wide-open position, the final position is 50 degree backward from wide-open position; The initial position of the Heating air oscillating is 50 degree backward from wide-open position, the final position is 90 degree backward from wide-open position;...
  • Page 50 Service Manual 2.7 Timing The longest timed duration is 24h with the increment being 0.5h when the duration is within 10h and 1h when the duration is 10 h or above. As for single timing method, mode change will not cancel the timing function.

  • Page 51: Poor Efficiency Explanation

    Service Manual 2.9 Remote control a) Remote controller has function of remote control; b) Remote control switch can be shielded by dial code of indoor unit; c) When remote switch disconnects, unit shuts down and can’t be started by remote controller or wired controller;...

  • Page 52: Dip Setting And Failure Code

    Service Manual resistance approximately equal), resistance of winding should be infinite. 5. DIP setting and failure code 5.1 Dip setting of the control panel The DIP switch of the controller has a setting condition that varies with different models. The DIP switch was already adjusted in the factory of the company, but the service personnel of the user shall take care during the service process.

  • Page 53: Failure Analysis

    Service Manual 6.Failure 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-400cf/4Afc-600cf/4Afc-800cf/4Afc-1000cf/4

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