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Technibel CWX3B5XAB Technical Data & Service Manual

Split system air conditioner
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TECHNICAL DATA
& SERVICE MANUAL
INDOOR UNIT: CWX3B5XAB
SPLIT SYSTEM AIR CONDITIONER
Model No.
CWX3B5XAB
CWX5B5XAB
CWX6B5XAB
CWX8B5XAB
CWX10B5XAB
CWX5B5XAB
CWX6B5XAB
CWX8B5XAB
CWX10B5XAB
Product Code No.
38.7106.000
38.7106.001
38.7106.002
38.7106.003
38.7106.004
0.8180.572.1
April 2011

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  • Page 1 TECHNICAL DATA & SERVICE MANUAL INDOOR UNIT: CWX3B5XAB CWX5B5XAB CWX6B5XAB CWX8B5XAB CWX10B5XAB SPLIT SYSTEM AIR CONDITIONER Model No. Product Code No. CWX3B5XAB 38.7106.000 CWX5B5XAB 38.7106.001 CWX6B5XAB 38.7106.002 CWX8B5XAB 38.7106.003 CWX10B5XAB 38.7106.004 0.8180.572.1 April 2011...

  • Page 2: Table Of Contents

    Table of Contents Page 1. SPECIFICATIONS 1-1 Unit specifications 1-2 Major Component specifications 1-3 Other Component specifications 2. DIMENSIONAL DATA 3. ELECTRICAL DATA 3-1 Electric Wiring Diagrams 3-2 Jumpers Configuration 3-3 Contacts for Building Automation 3-4 Maintenance 4. FUNCTION 4-1 Cool Mode Operation 4-2 Heat Mode Operation 4-3 Auto (cool/heat) Mode Operation 4-4 Dry Mode Operation...

  • Page 3: Specifications

    1. SPECIFICATIONS 1-1 Unit Specifications CWX3B5XAB 230 V - 50 Hz Power source Performance Input 0,052 Running Amps 0,24 Total cooling capacity (1) High/Med./Low 2,6/2,35/2,15 Sensible cooling capacity (1) High/Med./Low 2,31/2,09/1,91 Heating capacity (2) High/Med./Low 3,49/3,11/2,83 Air circulation High/Med./Low m³/h...
  • Page 4 CWX5B5XAB 230 V - 50 Hz Power source Performance Input 0,087 0,41 Running Amps 4,70/4,10/3,60 Total cooling capacity (1) High/Med./Low 3,72/3,21/2,80 Sensible cooling capacity (1) High/Med./Low 5,70/4,85/4,35 Heating capacity (2) High/Med./Low 750/630/530 Air circulation High/Med./Low m³/h Features Microprocessor/ I.C. thermostat Controls/Temperature controls Control unit Wireless remote control unit...
  • Page 5 CWX6B5XAB 230 V - 50 Hz Power source Performance 0,115 Input Running Amps 6,0/5,0/4,20 Total cooling capacity (1) High/Med./Low 4,70/3,80/3,20 Sensible cooling capacity (1) High/Med./Low 7,70/6,40/5,40 Heating capacity (2) High/Med./Low Air circulation High/Med./Low m³/h 1300/1060/850 Features Microprocessor/ I.C. thermostat Controls/Temperature controls Wireless remote control unit Control unit Timer...
  • Page 6 CWX8B5XAB 230 V - 50 Hz Power source Performance 0,120 Input Running Amps 8,0/6,50/5,50 Total cooling capacity (1) High/Med./Low 6,40/5,40/4,10 Sensible cooling capacity (1) High/Med./Low 9,42/8,52/6,28 Heating capacity (2) High/Med./Low Air circulation High/Med./Low m³/h 1270/1090/830 Features Microprocessor/ I.C. thermostat Controls/Temperature controls Wireless remote control unit Control unit Timer...
  • Page 7 CWX10B5XAB 230 V - 50 Hz Power source Performance 0,180 Input Running Amps 9,92/8,09/6,23 Total cooling capacity (1) High/Med./Low 7,90/6,22/4,62 Sensible cooling capacity (1) High/Med./Low 11,69/9,53/7,34 Heating capacity (2) High/Med./Low Air circulation High/Med./Low m³/h 2300/1700/1200 Features Microprocessor/ I.C. thermostat Controls/Temperature controls Wireless remote control unit Control unit Timer...

  • Page 8: Major Component Specifications

    1-2 Major Component Specifications CWX3B5XAB Controller PCB SAC ON-OFF IDU Part No. Microprocessor Controls 250 V - 3,15 A Control circuit fuse 2,54mm-5pcs Jumper setting JP1..JP5 SAC W-REM Remote Control Unit Fan & Fan Motor Centrifugal fan Type 1…. Ø 280 / L 175 Q'ty …….
  • Page 9 CWX5B5XAB Controller PCB SAC ON-OFF IDU Part No. Microprocessor Controls 250 V - 3,15 A Control circuit fuse 2,54mm-5pcs Jumper setting JP1..JP5 SAC W-REM Remote Control Unit Fan & Fan Motor Centrifugal fan Type 1…. Ø 280 / L 175 Q'ty …….
  • Page 10 CWX6B5XAB Controller PCB SAC ON-OFF IDU Part No. Microprocessor Controls 250 V - 3,15 A Control circuit fuse 2,54mm-5pcs Jumper setting JP1..JP5 SAC W-REM Remote Control Unit Fan & Fan Motor Centrifugal fan Type 1…. Ø 443 Q'ty ……. Dia. and lenght SFG6X-41D6P…1 Fan motor model…Q'ty 6 …...
  • Page 11 CWX8B5XAB Controller PCB SAC ON-OFF IDU Part No. Microprocessor Controls 250 V - 3,15 A Control circuit fuse 2,54mm-5pcs Jumper setting JP1..JP5 SAC W-REM Remote Control Unit Fan & Fan Motor Centrifugal fan Type 1…. Ø 443 Q'ty ……. Dia. and lenght SFG6X-81A6P…1 Fan motor model…Q'ty 6 …...
  • Page 12 CWX10B5XAB Controller PCB SAC ON-OFF IDU Part No. Microprocessor Controls 250 V - 3,15 A Control circuit fuse 2,54mm-5pcs Jumper setting JP1..JP5 SAC W-REM Remote Control Unit Fan & Fan Motor Centrifugal fan Type 1…. Ø 443 Q'ty ……. Dia. and lenght SFG6X-81A6P…1 Fan motor model…Q'ty 6 …...

  • Page 13: Other Component Specifications

    1-3 Other Component Specifications CWX3B5XAB CWX5B5XAB Thermistor ( Coil sensor TH1) ΚΩ 10 ± 3% Resistance Drain pump PC 309564003 Model 220/240V - 50Hz Rating Voltage Input Total head capacity 0,4 l/min Safety float switch BI 1300 2725 Model 230V AC/DC - 0,5A...

  • Page 14: Dimensional Data

    2. DIMENSIONAL DATA CWX3B5XAB CWX5B5XAB...
  • Page 15 CWX6B5XAB 820 (Ceiling opening) 757 (Suspention bolt pitch) Air intake grille Air outlet Refrigerant liquid line [D. 9.52 (In case of 25 type , use the tube connector.)] Refrigerant gas line D. 12.7: 9, 12 type Drain connection Power supply entry For discharge duct For fresh air intake Suspension bolt mounting...
  • Page 16 CWX8B5XAB CWX10B5XAB 820 (Ceiling opening) 757 (Suspention bolt pitch) Air intake grille Air outlet Refrigerant liquid line (D.9.52) Refrigerant gas line (D.19.05) Drain connection Power supply entry For discharge duct For fresh air intake Suspension bolt mounting...

  • Page 17: Electrical Data

    3. ELECTRICAL DATA 3-1 Electric Wiring Diagrams CWX3B5XAB CWX5B5XAB CWX6B5XAB CWX10B5XAB...
  • Page 18 CWX8B5XAB...

  • Page 19: Jumpers Configuration

    3-2 JUMPERS CONFIGURATION Jumpers are located on the indoor PCB near the MODE button. Setting JUMPERS C = Closed O = Open Fonction A = Available E = Not available (when selecting, all leds blinking) NOTE: settings different from the factory one must be done by special worker FACTORY SYSTEM CONFIGURATION:COOLING ONLY WITH VALVE FUNCTIONS FUNCTIONS...
  • Page 20 SYSTEM CONFIGURATION:COOLING OR HEATING WITH VALVE FUNCTIONS JUMPERS COOLING ONLY SYSTEM SYSTEM CONFIGURATION:HEATING ONLY WITH VALVE FUNCTIONS JUMPERS COOLING ONLY SYSTEM SYSTEM CONFIGURATION:COOLING WITH VALVE OR HEATING WITH VALVE FUNCTIONS JUMPERS COOLING ONLY SYSTEM...

  • Page 21: Contacts For Building Automation

    3-3 CONTACTS FOR BUILDING AUTOMATION 3-3.1 INPUT CONTACT (J4 - green) The status of this input affects system operation according to the following: Contact OPEN : system does not operate (always OFF) – inputs from wireless remote controller are not processed Contact CLOSED: system operates in the normal way according to the inputs coming from wireless remote controller 3-3.2 OUTPUT CONTACT (J12) This connector is directly tied to the contact (normally open) of a power relay which activates every time the following alarm...
  • Page 22 3-4 MAINTENANCE Changing the Address of the Air Conditioner In case of more than one air conditioner operating in the same room, it may be necessary to assign an address to each unit in order to avoid operation conflicts. Address is set acting on the dip-switches located on the indoor PCB and on the remote controller.

  • Page 23: Cool Mode Operation

    4.FUNCTION 4-1 Cool Mode Operation VALVE NOTES 1. In this graph, the FMI is operating with the “Auto Fan Speed” setting. If the user has selected the Low, Medium or High fan speed, the FMI will run at that speed only. 2.

  • Page 24: Heat Mode Operation

    4-2 Heat Mode Operation VALVE The Heating mode operation is similar to the Cooling mode operation. The VALVE and FMI are mainly controlled by the value of (RAT – SPT). In the graph above, the FMI is operating in AUTO speed mode. Therefore, the FMI speed changes automatically according to the (RT - SPT).

  • Page 25: Auto (Cool/Heat) Mode Operation

    4-3 Auto (cool/heat) Mode Operation VALVE(COOL) VALVE(HEAT)) In Auto Mode, the unit switches automatically between the Auto Cooling and Auto Heating in order to maintain the room temperature (RAT) at the prescribed set point (SPT). The switching between the two modes is according to the above graph. Refer to the sections 5.1 COOLING MODE and 5.2 HEATING MODE for system operation details.

  • Page 26: Dry Mode Operation

    4-4 Dry Mode Operation Dry operation remove moisture from indoor air running, in cooling mode, at a low level without reducing the ambient temperature. This is done cycling ON and OFF indoor and outdoor units according to below. ROOM DRY LEVEL JP4 OPEN JP4 CLOSED TEMP...

  • Page 27: Forced Mode

    4-7 Forced Mode In this mode the system operates (COOLING or HEATING mode – fixed settings) or is switched off by means of the MODE button of the indoor unit control board. The operation modes can be selected pressing the button in a cyclic way (OFF COOL HEAT OFF…).
  • Page 28 4-8.2 Overheat This feature prevents the build up of high pressure in the indoor heat exchanger during heating operation VALVE (HEAT) VALVE (HEAT) A (°C) B (°C)

  • Page 29: I Feel Function

    4-9 I FEEL Function As standard configuration the air conditioner operates detecting the room temperature through the sensor equipped in the wireless remote controller (icon I FEEL shown on the display). This feature provides a personalised environment since the temperature can be detected where the remote controller is located. It is possible to de-activate this option pressing the I FEEL button on the remote controller.
  • Page 30 4-12 Diagnostic With this feature is possible to have a visual signal that a trouble is occurring. This mode is always active and the signalling is made through the display board LEDS . In case of no troubles the LEDS status follows its normal function. NOTES The troubles are showed according a priority list that is in case of more than one trouble present, is always showed, at first, the one with the highest priority (1...

  • Page 31: Checking Electrical Components

    5 CHECKING ELECTRICAL COMPONENTS 5-1 Measurement of Insulation Resistance The insulation is in good condition if the resistance exceeds 1 MOhm a) Power Supply Wires Clamp the earthed wire of the power supply wires with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on either of the power wires (fig.1).

  • Page 32: Checking Continuity Of Fuse On Pcb Assy

    5-2 Checking Continuity of fuse on PCB assy Remove PCB assy from electrical component box (fig.5) Then pull out the fuse from PCB assy Check continuity of fuse by the multimeter (fig.6)
  • Page 33 R.D. 28 Reyrieux BP 131 - 01601 Trévoux CEDEX France Tél. 04.74.00.92.92 - Fax 04.74.00.42.00 R.C.S. Bourg-en-Bresse B 759 200 728...

This manual is also suitable for:

Cwx6b5xabCwx8b5xabCwx10b5xabCwx5b5xab

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