technical data & service manual split system air conditioner
Contents
1. GRN YEL 3 ELECTRICAL DATA 3 1 Electric Wiring Diagrams CWX3B5XAB NI 0S 1 0 Z 05 1 082 O AJddhS O Adds HMC uz 43M0d Lu OWA ZZ O 7 pP Y De I n EN NE H 1H EH 734 N99 Sm LO 5 038 NIN LO ES c d SUY gt m 2 OI r L 1A 40lm lt 20327 mim Y m s4 AU Jh a norms Sj wy n18 oln lz nS zt 8 amp amp LHM LHM EIE m 2 1HM4 d p 18 fie nadal z DiS DIE EE E T SIN A89 4mm A89 4m m lt m A89 m m mm gt a LASER LING gt Ld zb M TT Q34 lu 34 nln 03 ouv 2 ZZ ZZ lt DD VV oO c c c c 5 wp L2. CWX3B5XAB CWX5B5XAB 575 T SUSPENSION a 508 Eeer 79 275 ERACKET BRACKET 2 EE ab CEILING m i wo b wa m t inl t H DG i x x cx s s an ed BI H D em L Boo Si T Le 730 FRESH AIR INTAKE SIDE SUSPENSION BRACKET ELECTRICAL COMPONENT Box SIDE o c m in ur u SUSPENSION BOLT REFRIGERANT TUBING SIDE CEILING NUTS AND WASHERS FRESH AIR INTAKE PORT BIO PRESPLITTING REFR WIBE 0 Moo TUBE REFRIGERANT TUBING SIDE 1 0 COND DRAIN PIPING REFRIGERANT TUBING JOINT A d NARROW TUBE DD 1 4 IGERANT TUBING cic 9 52mm 43 70 FO0081ush 2 7mm 4172 gt 14 12 18000Btu h L mm EMSATE CWX6B5XAB ox 820 Ceiling opening 66 Suspention bolt pitch 820 Ceiling opening 124 X view 757 Suspention bolt pitch 377 Panel center 30 368 776 12 100 776 12 15 La 12 12 860 500 Air intake grille Air outlet Refrigerant liquid line D 9 52 In case
3. 14131211 18 GRN YEL FMI CWX8B5XAB 0 1 082 O Alddhs g3MOd g MELLE 0 Kee 89 e 2 gt ee erts D 1 i Y m Dm Co SJ i Y VH NS gt N18 4e D 149 4mm m AS 2 22 ELETT Ee T 11 fe S NM Ros L Im aleam v lin 7 bell SAIN 0 0 5E IN 1HM 18 LHM Er ain TIP 9n le colo a N N NIN NIN NIN ala 3 Aojo ojo colo o zon felt nat 9 05 ele mimE m n s E alu alu bale D gt Nua oo 95 sa E sd o o amp Te ni zii or a mig S pA o oJa d Z afa N NP NHg TO N 81r A49 4m m m m 18 yigtalal 2 H EI D LHM v Y 3Y 418 OH L lA4t 0 ul 0 I WOOH THL id sir 9400 lol lolo 13 m WIG Sc onir OH TA NINE LEM LENS IB ox olol Aus Helen 149 LL C 1102 ZHL Lolo 9 3 2 JUMPERS CONFIGURATION Jumpers are located on the indoor P
4. UE CLE bed EE m T CONTACT OUTPU CONNECTOR J12 RED USED TO SIGNAL AN ALARM CONDITION EXAMPLE SIGNAL LAMP WHEN ALRM IS ON LAMP LIGHTS UP Do SIGNAL LAMP E e FIELD SUPPLY 21 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 The PCB settings must match the corresponding ones on the wireless remote controller How to change address of the air conditioner Dip switch is located on the indoor PCB near the buzzer Set the PCB to the address desidered unit remote control indoor unit N 1 2 1 2 1 OFF OFF OFF OFF 2 ON OFF ON OFF 3 ON ON ON ON 4 OFF ON OFF ON JUMPERS SETTINGS IN UM 4 AAA JP 1 SETTING IECRO3 1 5V JP2 JP3 1 OFF UM 4 AAA vpa ees urs 1 2 E IECRO3 1 5V As default switches SW1 and SW2 are in off status PCB factory state How to change address on Remote Control Unit Dip switch is located on the battery compartment 1 Pull out the door and remove the batteries 2 Set the switch SW1 and SW2 according to the indoor PCB sett
5. Wireless remote control unit ON OFF 24 hours 3 and Auto Auto Remote control Water FLOW in cooling High Med Low 447 395 360 Pressure drop on water in cooling 1 High Med Low 22 0 18 0 15 0 Pressure drop on water in heating 2 High 18 Air Filter Washable polypropylene class HB UL94 Power noise level High Med Low 46 43 40 Water tubing connections 1 2 gas female Air clean filter Optional 3 Way valve By pass 1 2 gas male KVS 1 6 230 NC Dimensions amp Weight Dimensions Unit Ceiling panel Height Width Depth Optional Height Width Depth Package dimensions Unit Ceiling panel Height Width Depth Volume Height Width Depth Volume Unit Ceiling panel Net Shipping Net Shipping DATA SUBJECT TO CHANGE WITHOUT NOTICE 1 Air inlet 27 C D B 19 C W B Water inlet 7 C Water outlet 12 C 2 Air inlet 20 C Water inlet 50 C same water capacity as in conditions 1 OPERATION LIMITS Min water inlet temperature 4 C Max water inlet temperature 60 C Max operating pressure of hydraulic circuit 16 bar Min air recirculation temperature 5 C Max air recirculation temperature 32 C CWX5B5XAB 230 V 50 Hz Performance Input 0 087 Running Amps 0 41 Total cooling capacity 1 High Med Low 4 70 4 10 3 60 Sensible cooling capacity 1 High
6. 1 2 gas female Air clean filter Optional 3 Way valve By pass 1 2 gas male KVS 1 6 230 NC Dimensions amp Weight Dimensions include panel Height Width Depth Optional Package dimensions Ceiling panel Height Width Depth Volume Height Width Depth Volume Weight include panel Ceiling panel 1 Air inlet 27 C D B 19 C W B Water inlet 7 C Water outlet 12 C Net Shipping Net Shipping DATA SUBJECT TO CHANGE WITHOUT NOTICE 2 Air inlet 20 C Water inlet 50 C same water capacity as in conditions 1 OPERATION LIMITS Min water inlet temperature 4 C Max water inlet temperature 60 C Max operating pressure of hydraulic circuit 16 bar Min air recirculation temperature 5 C Max air recirculation temperature 32 C 1 2 Major Component Specifications CWX3B5XAB Controller PCB Part No SAC ON OFF IDU Controls Microprocessor Control circuit fuse 250 V 3 15A Jumper setting JP1 JP5 2 54mm 5pcs Remote Control Unit SAC W REM Fan amp Fan Motor Centrifugal fan Dia and lenght 1 280 L 175 Fan motor model Q ty K35406 M01971 1 No of poles rpm 230 V High 2nd 3rd Low 4 630 570 510 240 Running Amps 0 16 Power input 33 Coil resistance Ambient temp 20 C BLU BRN 57 5 66 2 BLU BLK 795 914 BLK GRY 70 1 80 7 GRY RED 70 1 80 7 RED WHT YEL 228 262 Safety devices Type Internal thermal prote
7. COOLING 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 25 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 Operation according to Operation according to SPT 2 C LEVEL 0 COOLING mode COOLING mode lt SPT 2 C LEVEL 1 FMO off 2 SPT 1 C FMI runs at LOW speed FMI runs at LOW speed RV off RV off SPT 1 C LEVEL 2 FMO switches 3 minutes FMO off during FMO operation 3 MIN on and 9 OFF M off DRY OFF ZONE FMO off MI off SPT Set Point Temperature 4 5 Fan Mode Operation With this mode the indoor fan is turned on while cooling and heating valve stay off all the time The user can select between 3 speeds HIGH MEDIUM and LOW 4 6 Auto Fan speed With this option selected the indoor fan speed changes automatically according to the difference between the detected air temperature RAT sensor and the set point SPT COOLING MODE 2 RAT SPT HIGH speed 1 RAT SPT lt 2 MEDIUM speed RA
8. Med Low 3 72 3 21 2 80 Heating capacity 2 High Med Low 5 70 4 85 4 35 Air circulation Features Controls Temperature controls High Med Low 750 630 530 Microprocessor thermostat Control unit Wireless remote control unit Timer ON OFF 24 hours Fan speed 3 and Auto Airflow direction Auto Remote control Water capacity in cooling High Med Low 790 690 600 Pressure drop on water in cooling 1 High Med Low 42 32 25 Pressure drop on water in heating 2 High 33 Air Filter Washable polypropylene class HB UL94 Power noise level High Med Low 55 51 48 Water tubing connections 1 2 gas female Air clean filter Optional 3 Way valve By pass 1 2 gas male KVS 1 6 230 NC Dimensions amp Weight Dimensions Unit Ceiling panel Height Width Depth Optional Height Width Depth Package dimensions Unit Ceiling panel Height Width Depth Volume Height Width Depth Volume Unit Ceiling panel Net Shipping Net Shipping DATA SUBJECT TO CHANGE WITHOUT NOTICE 1 Air inlet 27 C D B 19 C W B Water inlet 7 C Water outlet 12 C 2 Air inlet 20 C Water inlet 50 C same water capacity as in conditions 1 OPERATION LIMITS Min water inlet temperature 4 C Max water inlet temperature 60 C Min air recirculation temperature 5 C Max air recir
9. Width Depth Volume Height Width Depth Volume Weight include panel Ceiling panel Net Shipping Net Shipping DATA SUBJECT TO CHANGE WITHOUT NOTICE 1 Air inlet 27 C D B 19 C W B Water inlet 7 C Water outlet 12 C 2 Air inlet 20 C Water inlet 50 C same water capacity as in conditions 1 OPERATION LIMITS Min water inlet temperature 4 C Max water inlet temperature 60 C Max operating pressure of hydraulic circuit 16 bar Min air recirculation temperature 5 C Max air recirculation temperature 32 C CWX10B5XAB 230 V 50 Hz Performance Input Running Amps Total cooling capacity 1 High Med Low 9 92 8 09 6 23 Sensible cooling capacity 1 High Med Low 7 90 6 22 4 62 Heating capacity 2 High Med Low 11 69 9 53 7 34 Air circulation Features Controls Temperature controls High Med Low 2300 1700 1200 Microprocessor thermostat Control unit Wireless remote control unit Timer ON OFF 24 hours Fan speed 3 and Auto Airflow direction Auto Remote control Water capacity in cooling High Med Low 1700 1400 1070 Pressure drop on water in cooling 1 High Med Low 63 42 26 Pressure drop on water in heating 2 High 60 0 Air Filter Washable polypropylene class HB UL94 Power noise level High Med Low 57 49 43 Water tubing connections
10. 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 FEEL button on the remote controller In this case the FEEL icon is no longer displayed and room temperature is detected through the sensor included in the indoor unit 4 10 NIGHT Function When this function is active room temperature changes automatically to compensate for body temperature variations while sleeping After 10 hours of operation system switches automatically to OFF state This mode of operation is available both in COOLING and HEATING mode Room t temperature NIGHT function active System switches to OFF state COOLING and DRY modes SPT 3 C SPT 2 C SPT 1 C SPT SPT 1 C SPT 2 C SPT 3 C HEATING mode Start of _ NIGHT 10 Hours function 4 11 DRAIN PUMP Mode This unit is equipped with a drain pump The level detection is done through a float switch connected at the input WS closed under normal condition and opened when water overflow System operation is according to the following chart Overflow when Overflow when Overflow when ws Open THERMO is ON THERMO is OFF unit is OFF standby contact Closed OPERATION led CM Thermostat Drain pump 29 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 signa
11. CB near the MODE button ON DIP SWITCH SETTING OFF 2 0 1 2 C U C U n C U UJ ne RL 1 O E P d ACC Juyi E 1 Setting JUMPERS 3 So mT C Closed Y O Open H mH J9 e sm EE 2 Fonction A Available LINE IN E Not available 3 L when selecting all leds blinking LO m2 10 Or ES NOTE settings different from the factory one must be done by special worker FACTORY SYSTEM CONFIGURATION COOLING ONLY WITH VALVE COOLING ONLY FUNCTIONS JUMPERS SYSTEM FAN a8 ol l uwy ur1 uP2 upr3 uP4 uPs eye a Lp A AIAIOICIOJIOIC a D SYSTEM CONFIGURATION COOLING OR HEATING WITH VALVE COOLING ONLY FUNCTIONS JUMPERS SYSTEM Soe 8 6 ONLY JP 1 JP2 JP3 JUP4 JUP5 An cel wok DK e it AIE JA QIO SYSTEM CONFIGURATION HEATING ONLY WITH VALVE COOLING ONLY SYSTEM a FU
12. EE Hs L fol e ow i L allant o E alm al N m s io olo E alm la elam LHM 18 1HM EP THM 18 HM EP mon 9 dem 2z S E Tir 9n HHM oo oo olo ole NI I Y Y NI NIN NIN NIN gt Elle lo dg gt Bs lolo coco aal x E Nolo ole lo rl ad LHM OS 4 NJN Ze Y 1H o3 ih Zeie tht ql x 5 O ma oZ 99 5 wis x SIT mie m na Lo OO Deal mim mim lt L S mjm afa lt Ka 5 a alu afa ajaja o ofa 8mm alu x 5 ol amp C RE 2 ala 5 t O Mv E E m IG M 2 t 5 ER 9 9 Se y 5 5 kee 2g 9 95 a 138 Ze NISL of 23 mid x Z E oO vol Hh BR ld u zb SN Z XO ES rz x O QC ma 9 95 Ez o ojo DiNd ANd MISE SAN 734 SIN SE anus Halang 2g m Nlei NH8 J e I Nea N 8t Q4 A99 1m m mim n8 ree vier 9 A49 4m mI n18 4m m n18 U annl S H 1 tr LN a ek 8 8 Y LG am D ii Otm let ou OLT em K nood iHl p 51 64 980 c xH LTA 28 9 990 o Q38 4c0 xoI 038 i MISA Sc mar OH TSA4NIN NIN LHM Ce e EK mr 1344 n rr LHM Aw 18 ox coco colo A49 III ZHL 9 6 A 9 LJ C109 2HL oo 9 FLAP2 14131211 LAP 1
13. NCTIONS ZS Tel FAN ONL Y JUMPERS JP2 JPS JP4 E tay IDH 8 5 E A AIOIQIOIOIO do ms Bi opcs le SYSTEM CONFIGURATION COOLING WITH VALVE OR HEATING WITH VALVE COOLING ONLY SYSTEM FUNCTIONS FAN ONL Y JUMPERS JP2 JP 4 JP5 JP3 J17 HV J10 CV A l A JA EH Ba VALVE VALVE SUPPLY by COOL HAT 230 1 50 9 Q Q 20 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 condition occur e RAT damaged e ICT damaged In this case when alarm happens on poles 1 and 3 of J12 connector 220 VAC 50Hz are available Max electrical load 1A 240VAC INPUT CONTACT CONNECTOR J4 GREEN STATUS CLOSED p r3 PEL GE Pies M
14. T SPT lt 1 LOW speed HEATING MODE 2 lt SPT RAT HIGH speed SPT RAT lt 2 MEDIUM speed NOTE SPT Set Point Temperature 26 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 gt COOL gt HEAT gt OFF The settings are COOLING mode SET POINT temperature 25 C FAN SPEED HIGH HEATING mode SET POINT temperature 21 C FAN SPEED HIGH 4 8 Protection operations in Heat Mode 5 8 1 Cold draft This feature prevents the supply of cold air forcing the indoor fan to a speed which cannot be changed by the user As soon as the protection mode is exited speed can be changed manually through the remote controller The protection acts in the following Y Y Fans i peed can be ICT 3270 E changed manually N Y Indoor tan speed 25 28 30 32 Indoor coil temperature ICT C 27 4 8 2 Overheat This feature prevents the build up of high pressure in the indoor heat exchanger during heating operation ICT C ON VALVE HEAT VALVE HEAT OFF 28 4 9 FEEL Function As standard configuration the air conditioner operates detecting the room temperature through the sensor equipped in the wireless remote controller icon FEEL shown on the display This
15. TECHNICAL DATA se e amp SERVICE MANUAL Technibel INDOOR UNIT CWX3B5XAB CWX5B5XAB CWX6B5XAB CWX8B5XAB CWX10B5XAB SPLIT SYSTEM AIR CONDITIONER 0 8180 572 1 April 2011 Table of Contents 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 4 5 Fan Mode Operation 4 6 Auto Fan Speed 4 7 Forced Mode 4 8 Protection Operation in Heat Mode 4 9 Feel Function 4 10 Night Function 4 11 Drain Pump Mode 4 12 Diagnostic 5 CHECKING ELETRICAL COMPONENTS 5 1 Measurement of Insulation Resistance 5 2 Checking Continuity of Fuse on PCB Ass y Page Co OO wj 14 17 17 19 21 22 23 23 24 25 26 26 26 27 27 29 29 29 30 31 31 32 1 SPECIFICATIONS 1 1 Unit Specifications CWX3B5XAB 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 Features Controls Temperature controls High Med Low 520 460 400 Microprocessor LC thermostat Control unit
16. WX10B5XAB Controller PCB Part No SAC ON OFF IDU Controls Microprocessor Control circuit fuse 250V 3 15A Jumper setting JP1 JP5 2 54mm 5pcs Remote Control Unit SAC W REM Fan amp Fan Motor Centrifugal fan Dia and lenght 1 0 443 Fan motor model Q ty SFG6X 81A6P 1 No Of poles rpm 230 V High 6 530 Running Amps 0 765 Power input 38 Coil resistance Ambient temp 20 C BRN WHT 75 1 WHT VLT 6 7 VLT ORG 20 6 ORG YEL 27 4 WHT PNK 42 7 YEL BLK 58 Safety devices Type Internal thermal protector Operating temp 130 8 79 15 Run capacitor 6 450 Stepping motor MP24Z2 DC 12V 400 7 Aluminium plate fin Copper tube 1 5 Face area 0 556 Quantity of water DATA SUBJECT TO CHANGE WITHOUT NOTICE 12 1 3 Other Component Specifications CWX3B5XAB CWX5B5XAB Thermistor Coil sensor TH1 Resistance PC 309564003 220 240V 50Hz 14W 0 4 l min Safety float switch Eo o CEN Model BI 1300 2725 Contact rating 230V AC DC 0 5A CWX6B5XAB CWX8B5XAB CWX10B5XAB Thermistor Room sensor NTC THERMISTOR Resistance KC 10 at 25 C Thermistor Coil sensor NTC THERMISTOR Resistance KC 10 at 25 C Model PJV 1434A Rating Voltage 230V Input 12W Total head capacity 500 mm 400 cc min Safety float switch eee Model FS 0218 102 Contact rating DC 5V 50W 13 2 DIMENSIONAL DATA
17. art from terminal plate PCB assy capacitor etc Similary disconnect the connector Then measure the insulation resistance fig 1 to 4 Refer to electric wiring diagram NOTE If the probe cannot enter the poles because the hole is too narrow then use a probe with a thinner pin 31 EATHER LINE PROBE CLIP COPPER TUBE OR METALLIC PART Fig 2 CLIP COPPER TUBE OR METALLIC PART Fig 3 FROM FAN MOTOR COMPRESSOR AND OTHER PARTS METALLIC t PART PHONE ur Io A sch CLIP J m 9 KL INSULATION TESTER Fig 4 5 2 Checking Continuity of fuse on PCB assy Remove PCB assy from electrical component box fig 5 FUSE Then pull out the fuse from PCB assy Check continuity of fuse by the multimeter fig 6 Fig 6 32 Ilechnibe UNE AVANCE DANS L AIR DU TEMPS R D 28 Reyrieux BP 131 01601 Tr voux CEDEX France T l 04 74 00 92 92 Fax 04 74 00 42 00 R C S Bourg en Bresse B 759 200 728
18. ctor Operating temp 150 10 Automatic Run capacitor 1 5 400 Stepping motor MP24Z2 DC 12V 400 7 Aluminium plate Copper tube 1 3 Face area 0 272 Quantity of water 0 43 DATA SUBJECT TO CHANGE WITHOUT NOTICE CWX5B5XAB Controller PCB Part No SAC ON OFF IDU Controls Microprocessor Control circuit fuse 250V 3 15A Jumper setting JP1 JP5 2 54mm 5pcs Remote Control Unit SAC W REM Fan amp Fan Motor Centrifugal fan Dia and lenght 1 280 L 175 Fan motor model Q ty K35407 MO1972 1 No Of poles rpm 230 V High Med Low LowLow 4 880 740 660 290 Running Amps 0 27 Power input 61 Coil resistance Ambient temp 20 C BLU BRN 33 9 39 1 BLU BLK 325 374 BLK GRY 78 7 90 5 GRY RED 49 7 57 2 RED WHT YEL 155 178 Safety devices Type Internal thermal protector Operating temp Open 150 10 Close Automatic reclosing Run capacitor 2 0 440 Stepping motor MP24Z2 DC 12V Coil resistance Ambient temp 400 x 796 Heat Exch Coil Coil Aluminium plate fin Copper tube Rows 1 Fin pitch 1 3 Face area 0 272 Quantity of water 0 86 DATA SUBJECT TO CHANGE WITHOUT NOTICE CWX6B5XAB Controller PCB Part No SAC ON OFF IDU Controls Microprocessor Control circuit fuse 250V 3 15A Jumper setting JP1 JP5 2 54mm 5pcs Remote Control Unit SAC W REM Fan amp Fan M
19. culation temperature 32 C Max operating pressure of hydraulic circuit 16 bar CWX6B5XAB 230 V 50 Hz Performance Input Running Amps Total cooling capacity 1 High Med Low 6 0 5 0 4 20 Sensible cooling capacity 1 High Med Low 4 70 3 80 3 20 Heating capacity 2 High Med Low 7 70 6 40 5 40 Air circulation Features Controls Temperature controls High Med Low 1300 1060 850 Microprocessor thermostat Control unit Wireless remote control unit Timer ON OFF 24 hours Fan speed 3 and Auto Airflow direction Auto Remote control Water capacity in cooling High Med Low 1030 860 720 Pressure drop on water in cooling 1 High Med Low 30 19 14 Pressure drop on water in heating 2 High 30 0 Air Filter Washable polypropylene class HB UL94 Power noise level High Med Low 51 44 40 Water tubing connections 1 2 gas female Air clean filter Optional 3 Way valve By pass 1 2 gas male KVS 1 6 230 NC Dimensions amp Weight Dimensions include panel Height Width Depth Optional Package dimensions Ceiling panel Height Width Depth Volume Height Width Depth Volume Weight include panel Ceiling panel Net Shipping Net Shipping DATA SUBJECT TO CHANGE WITHOUT NOTICE 1 Air inlet 27 C D B 19 C W B Water inlet 7 C Wat
20. er outlet 12 C 2 Air inlet 20 C Water inlet 50 C same water capacity as in conditions 1 OPERATION LIMITS Min water inlet temperature 4 C Max water inlet temperature 60 C Max operating pressure of hydraulic circuit 16 bar Min air recirculation temperature 5 C Max air recirculation temperature 32 C CWX8B5XAB 230 V 50 Hz Performance Input Running Amps Total cooling capacity 1 High Med Low 8 0 6 50 5 50 Sensible cooling capacity 1 High Med Low 6 40 5 40 4 10 Heating capacity 2 High Med Low 9 42 8 52 6 28 Air circulation Features Controls Temperature controls High Med Low 1270 1090 830 Microprocessor thermostat Control unit Wireless remote control unit Timer ON OFF 24 hours Fan speed 3 and Auto Airflow direction Auto Remote control Water capacity in cooling High Med Low 1380 1120 950 Pressure drop on water in cooling 1 High Med Low 41 31 23 Pressure drop on water in heating 2 High 39 0 Air Filter Washable polypropylene class HB UL94 Power noise level High Med Low 50 46 37 Water tubing connections 1 2 gas female Air clean filter Optional 3 Way valve By pass 1 2 gas male KVS 1 6 230 NC Dimensions amp Weight Dimensions include panel Height Width Depth Optional Package dimensions Ceiling panel Height
21. ings do not act on SW3 and SW4 3 Insert the batteries and pull on the door As default switches SW1 and SW2 are in off status remote controller factory state 22 4 FUNCTION 4 1 Cool Mode Operation RAT SPT C FMI M 71 L 1 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 The indoor fan can change speed only after it has operated at the same speed for 30 sec if in AUTO and 1 sec for the other settings High Med Low 23 4 2 Heat Mode Operation RAT SPT C 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 NOTES 1 After VALVE is switched off the FMI runs for 30s in order to purge heat from the indoor coil 2 The FMI will not be turned on until the indoor coil temperature is warm enough to prevent the supply of cool air see COLD DRAFT PREVENTION mode for details The indoor fan can change speed only after it has operated at the same speed for 30 sec if in AUTO and 1 sec for the other settings High Med Low 24 4 3 Auto cool heat Mode Operation RAT SPT C VALVE COOL VALVE HEAT COOLING HEATING
22. lling 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 gt 2 3 etc Sensor damaged means a situation where sensor is short circuited or opened Incase of damaged sensors the system CM FMO FMI etc if in OFF state does not start Eres LD1 stby LD2 ELSE timer 3 EE E oer SELECTED E 4 9 DRAIN PUMP MODE O LED off e LED on F LED blinking WARNING Priority 4 only for COOLING 30 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 Then measure the resistance between the earthed wire and the other power wires fig 1 b Unit Clamp an alluminium plate fin or copper tube with the lead clip of the insulation resistance tester and measure the resistance by placing a probe on N terminal and then on Lterminal the terminal plate fig 2 c Measurement of Insulation Resistance for Electrical Parts Disconnect the lead wires of the disired electric p
23. of 25 type use the tube connector Refrigerant gas line D 12 7 9 12 type D 15 88 18 25 type Drain connection Power supply entry For discharge duct For fresh air intake 9 Suspension bolt mounting CWX8B5XAB CWX10B5XAB 1110 Ceiling opening gt x C3 820 Ceiling opening 757 Suspention bolt pitch e N EL 5 o ac ae 3 5 5 p 8 IJ t T 3 a Q ro eo 776 100 59 249 16 1150 790 i CD 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 CWX5B5XAB LAP2 LAP 1 17
24. otor Centrifugal fan Dia and lenght 1 0 443 Fan motor model Q ty SFG6X 41 D6P 1 No Of poles rpm 230 V High 6 470 Running Amps 0 611 Power input 31 4 Coil resistance Ambient temp 20 C BRN WHT 170 3 WHT VLT 18 1 VLT ORG 43 2 ORG YEL 43 2 WHT PNK 83 5 YEL BLK 60 2 Safety devices Type Internal thermal protector Operating temp 130 8 79 15 Run capacitor 4 5 450 Stepping motor MP24Z2 DC 12V 400 7 Aluminium plate fin Copper tube 1 5 Face area 0 343 Quantity of water DATA SUBJECT TO CHANGE WITHOUT NOTICE 10 CWX8B5XAB Controller PCB Part No SAC ON OFF IDU Controls Microprocessor Control circuit fuse 250V 3 15A Jumper setting JP1 JP5 2 54mm 5pcs Remote Control Unit SAC W REM Fan amp Fan Motor Centrifugal fan Dia and lenght 1 0 443 Fan motor model Q ty SFG6X 81A6P 1 No Of poles rpm 230 V High 6 530 Running Amps 0 765 Power input 38 Coil resistance Ambient temp 20 C BRN WHT 75 1 WHT VLT 6 7 VLT ORG 20 6 ORG YEL 27 4 WHT PNK 42 7 YEL BLK 58 Safety devices Type Internal thermal protector Operating temp 130 8 79 15 Run capacitor 4 5 450 Stepping motor MP24Z2 DC 12V 400 7 Aluminium plate fin Copper tube 1 5 Face area 0 556 Quantity of water DATA SUBJECT TO CHANGE WITHOUT NOTICE 11 C
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