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CLIMAVENETA a-CXW 1102, User And Installation Manual

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CLIMAVENETA a-CXW 1102 User And Installation Manual Download Page 48

48

EN

WIRING DIAGRAMS 

i-CXW BASIC EC unit diagrams:

Connection diagram between the ATW-EC wall-mounted controller and the ECM hydronic unit with electric 

heater

Diagram without valves

U

3

M

A-

TSM

EH

High-level ALARM

Thermostat ALARM

TS

A

Thermostat

ALARM

High-level ALARM

E

FACTORY WIRING

CONNECTION BY

INSTALLER

SAFETY THERMOSTAT

Thermal cut off = 45°C

SAFETY THERMOSTAT

Thermal cut off = 80°C

TSA

TSM

TSA

TSM

SE-0670_C

Summary of Contents for a-CXW 1102

Page 1: ...USER AND INSTALLATION MANUAL EN CASSETTE FAN COILS EN Please carefully read this manual before operating the appliance 2019 04 MODELS a CXW i CXW...

Page 2: ...s 8 Air flow rate management 10 Technical data 11 Weights and dimensions 15 General information on receiving the unit 15 General warnings 16 Operating limits 18 Disposal 18 Technical specifications 19...

Page 3: ...the grills Be sure to connect the earth When transporting the unit it can be lifted by one operator for weights less than 30 kg or by two oper ators Lift it slowly making sure it does not fall Do not...

Page 4: ...rienced or trained users in shops light industry and on farms or or commercial use by non experts Children must be supervised to ensure they do not play with the appliance The manufacturer dealer cann...

Page 5: ...d by a reconstructed current signal with a sinusoidal waveform BLAC The inverter board that controls operation of the motors is powered at 230 volts single phase and uses a switching system to generat...

Page 6: ...d with HB a CXW and iHB i CXW power boards The HB i HB power board manages the fan speed and operation of the on off valves communication between the user inter face EKW and iKW controllers For units...

Page 7: ...outlets are provided on the side for additional air distribution over a larger distance and in adjacent rooms using the special fitting accessory Total air flow rate does not change NOTE the primary...

Page 8: ...ting or cooling remote changeover Periodic ventilation set AT only Configuration dip switch TTL serial port with Modbus RTU protocol for installation in BMS systems Bus Adapter required HOT START func...

Page 9: ...d button AUTO or 6 step Set point management button Manual operation or with weekly programming up to 4 time schedules configurable by the user Main and additional coil valves control in cooling heati...

Page 10: ...sizing in heating mode pay special attention to buildings where the floor temperature is very low for example below 5 C in these situations the floor may cool the air above it down to low temperatures...

Page 11: ...Sound Power 4 7 dB A 33 33 33 41 33 34 34 MED SPEED Fan Power Input 1 W 32 32 44 57 48 63 95 Air flow rate 1 m h 420 420 500 610 820 970 1280 Total capacity in cooling mode 1 kW 1 63 2 34 3 34 3 87 4...

Page 12: ...25 Sound Power 4 7 dB A 33 33 33 41 33 34 34 MED SPEED Fan Power Input 1 W 32 32 44 57 48 63 95 Air flow rate 1 m h 420 420 500 610 820 970 1280 Total capacity in cooling mode 1 kW 1 96 2 36 2 65 3 0...

Page 13: ...kPa 4 4 3 7 4 8 9 8 7 1 Sound Pressure 3 dB A 24 24 28 24 25 Sound Power 4 7 dB A 33 33 37 33 34 MED SPEED Fan Power Input 1 W 7 54 10 3 21 9 17 2 31 3 Air flow rate 1 m h 380 445 610 870 1130 Total...

Page 14: ...mode 2 kPa 4 9 2 8 3 4 9 2 5 3 Sound Pressure 3 dB A 24 24 28 24 25 Sound Power 4 7 dB A 33 33 37 33 34 MED SPEED Fan Power Input 1 W 7 54 10 3 21 9 17 2 31 3 Air flow rate 1 m h 380 445 610 870 1130...

Page 15: ...Weight of packaged unit kg Weight of unpackaged unit kg A mm B mm 0402 6 3 750 150 0502 0502 0404 0504 0504 0602 0604 0602 0604 0702 0704 0702 0704 0802 0802 10 6 1000 200 0804 0804 1102 1104 1102 110...

Page 16: ...manual do not take into account earthing or other types of electrical protection required by local laws regulations codes and standards or by the local electricity supplier Scope and qualifications T...

Page 17: ...similar lifting devices must not be knotted or come into contact with sharp edges Forklifts hoists and cranes must have a sufficient capacity No loads should be suspended above people The following ar...

Page 18: ...t OPERATING LIMITS Product disposal comply with the environmental regulations in force Disposal of waste electrical and electronic equipment WEEE pursuant to European Direc tive 2012 19 EU Applicable...

Page 19: ...802 1204 303 APPLIANCE CEILING BOX 26 2 pipe system 3 Hot cold water inlet 1 2 4 Hot cold water outlet 1 2 4 pipe system 1 Hot water inlet 1 2 2 Hot water outlet 1 2 3 Cold water inlet 1 2 4 Cold wate...

Page 20: ...8 40 58 73 34 228 258 40 58 228 107 40 58 175 258 228 34 73 40 58 200 3 4 GAS 3 4 GAS 3 4 GAS 3 4 GAS 3 4 GAS 3 4 GAS 3 4 GAS 3 4 GAS 2 way valve 3 way valve 2 way valve 3 way valve 3 4 GAS IN OUT OUT...

Page 21: ...8 118 141 360 58 60 72 360 85 57 58 60 360 141 210 210 210 210 63 40 63 40 3 4 GAS 3 4 GAS 1 GAS 3 4 GAS 3 4 GAS CW LPHW CW 2 PIPES CW LPHW 4 PIPES CW LPHW LPHW 1 GAS 2 way valve 3 way valve 2 way val...

Page 22: ...602 0604 0702 0704 0702 0704 0802 0804 0802 0804 840 x 840 900 x 900 1102 1104 1102 1104 1202 1204 The pipes must already be installed and the valves must be ready for installation In cooling mode the...

Page 23: ...units This air is mixed with the air taken in from the room inside the appliance The air conditioning intake pressure is slightly lower than atmospheric pressure This low pressure should not be consi...

Page 24: ...tion needed to fix the fan coil in place seen from floor to ceiling Procedure The procedure for installing the fan coil is as follows Mark the positions of the holes in the structural ceil ing at the...

Page 25: ...h the regulations in force The primary air ducts must be connected as fol lows Regarding primary air the following points must be take into account The rectangular air intakes can be connected to air...

Page 26: ...en complete the water and electrical connec tions MECHANICAL INSTALLATION a CXW 0402 0502 0602 0702 0404 0504 0604 0704 i CXW 0502 0602 0702 0504 0604 0704 a CXW 0802 1102 1202 0804 1104 1204 i CXW 08...

Page 27: ...e Condensate drain hose THE CONDENSATE DRAIN SHOULD BE FITTED WITH A DRAIN TRAP INSTALL THE CONDENSATE DRAIN HOSE WITH A SLOPE OF AT LEAST 2 cm metre Water parameters Maximum allowable values for the...

Page 28: ...the following characteristics length 470 mm outside diameter of the fitting 14 mm The maximum pump head is 65 0mm from the bottom edge of the appliance Drain pan The condensate drain pan collects cond...

Page 29: ...0704 i CXW 0504 0604 0704 Main and auxiliary coil a CXW 0804 1104 1204 i CXW 0804 1104 Auxiliary coil No of ways KVS m h Pmax kPa Valve fittings 2 2 8 50 3 4 3 2 5 50 3 4 Type a CXW 0802 1102 1202 i...

Page 30: ...04 i CXW 0502 0504 i CXW 0602 0604 i CXW 0702 0704 a CXW 0402 0404 a CXW 0502 0504 a CXW 0602 0604 a CXW 0702 0704 i CXW 0502 0504 i CXW 0602 0604 i CXW 0702 0704 a CXW 0802 0804 a CXW 1102 1104 a CXW...

Page 31: ...em Hot water coil pressure drop Water side pressure drop in additional coils supplied with hot water at an average temperature of 60 C 65 55 C Correction coefficients for different average temperature...

Page 32: ...4 i CXW 0604 0704 i CXW 0504 150 800 600 400 300 200 1000 1 5 40 30 20 9 8 7 6 5 50 4 3 2 10 3000 2000 150 800 600 400 300 200 1000 1 5 40 30 20 9 8 7 6 5 50 4 3 2 10 3000 2000 Perdita di carico kPa P...

Page 33: ...unit The minimum cross section of the wires is 0 75 mm Connection instructions The cassette fan coils are fitted with a board with screw terminal block for connecting the wires from the remote contro...

Page 34: ...rs the leakage current values must be consid ered The i CXW appliances are compliant with the limits set by the IEC EN 60335 standard with a leakage value of 0 95 mA lower than the limit value of 3 5...

Page 35: ...not complied with there is the risk of having water overflowing from the condensation drain pan It is essential that the water valves close at the same time as the internal contact opens on the board...

Page 36: ...36 EN M 1 WIRING DIAGRAMS a CXW BASIC AC unit diagrams Connection diagram between the MTW wall mounted controller and the AC unit Diagram without valves FACTORY WIRING CONNECTION BY INSTALLER SE 0663...

Page 37: ...PK PINK GD GOLD TQ TURQUOISE SR SILVER GNYE GREEN YELLOW ITEM DESCRIPTION M FAN M1 3 POLE TERMINAL BLOCK SEC1 SK ASYNCHRONOUS ELECTRONIC BOARD B1 CONDENSATE LEVEL SENSOR M9 CONDENSATE DRAIN PUMP C1 C...

Page 38: ...38 EN M 1 WIRING DIAGRAMS a CXW BASIC AC unit diagrams Connection diagram between the ATW wall mounted controller and the AC unit Diagram without valves FACTORY WIRING CONNECTION BY INSTALLER SE 0664...

Page 39: ...ENSER T1 6 SPEED AUTOTRANSFORMER Q1 DISCONNECT SWITCH BT2 WATER PROBE SA1 NC MULTIFUNCTION CONTACT ITEM OPTIONS E HOT COLD WATER VALVE ACTUATOR E1 HOT WATER VALVE ACTUATOR E2 COLD WATER VALVE ACTUATOR...

Page 40: ...AC unit diagrams Connection diagram between the ATW wall mounted controller and the AC unit with electric heater Diagram without valves FACTORY WIRING CONNECTION BY INSTALLER SAFETY THERMOSTAT Thermal...

Page 41: ...E DRAIN PUMP C1 CONDENSER T1 6 SPEED AUTOTRANSFORMER R1 R2 R3 ELECTRIC HEATERS BT2 WATER PROBE SA1 NC MULTIFUNCTION CONTACT Q1 Q2 DISCONNECT SWITCH 1P N ITEM OPTIONS E HOT COLD WATER VALVE ACTUATOR CE...

Page 42: ...DIAGRAMS a CXW AC unit diagrams WITH ELECTRONICS Wiring diagram for cassette units asynchronous and connection to EKW and IKW wall mounted control lers Diagram without valves FACTORY WIRING CONNECTION...

Page 43: ...OWER BOARD TS1 MAIN HEAT EXCHANGER WATER TEMP PROBE Q1 DISCONNECT SWITCH ITEM OPTIONS E HOT COLD WATER VALVE ACTUATOR E1 HOT WATER VALVE ACTUATOR E2 COLD WATER VALVE ACTUATOR TS2 ADDITIONAL HEAT EXCHA...

Page 44: ...hronous with electric heater and connection to EKW and IKW wall mounted controllers Diagram without valves A A A EH High level ALARM Thermostat ALARM TSA 1 M FACTORY WIRING CONNECTION BY INSTALLER SAF...

Page 45: ...HB POWER BOARD R1 R2 R3 ELECTRIC HEATERS TS1 MAIN HEAT EXCHANGER WATER TEMP PROBE Q1 Q2 DISCONNECT SWITCH 1P N Q3 DISCONNECT SWITCH 3P N ITEM OPTIONS E HOT COLD WATER VALVE ACTUATOR EXP3 RS485 EXPANS...

Page 46: ...M 3 U FACTORY WIRING CONNECTION BY INSTALLER WARNING The same signal cannot be supplied by sever al ATW EC units The maximum cable length minimum cross section allowed 1 5 mm2 for the 0 10 Vdc signal...

Page 47: ...ON CONTACT BT4 WATER PROBE ITEM OPTIONS E HOT COLD WATER VALVE ACTUATOR E1 HOT WATER VALVE ACTUATOR E2 COLD WATER VALVE ACTUATOR CEI 16 6 COLORS TABLE LITERAL CODE COLOUR BK BLACK BN BROWN RD RED OG O...

Page 48: ...wall mounted controller and the ECM hydronic unit with electric heater Diagram without valves U 3 M A TSM EH High level ALARM Thermostat ALARM TSA FACTORY WIRING CONNECTION BY INSTALLER SAFETY THERMOS...

Page 49: ...COLORS TABLE LITERAL CODE COLOUR BK BLACK BN BROWN RD RED OG ORANGE YE YELLOW GR GREEN BL BLUE VT VIOLET GY GREY WH WHITE PK PINK GD GOLD TQ TURQUOISE SR SILVER GNYE GREEN YELLOW Diagram with electric...

Page 50: ...CXW EC unit diagrams WITH ELECTRONICS Wiring diagram for cassette units asynchronous and connection to EKW and IKW wall mounted control lers Diagram without valves U 3 M A A A FACTORY WIRING CONNECTIO...

Page 51: ...S1 MAIN HEAT EXCHANGER WATER TEMP PROBE Q1 DISCONNECT SWITCH ITEM OPTIONS E HOT COLD WATER VALVE ACTUATOR E1 HOT WATER VALVE ACTUATOR E2 COLD WATER VALVE ACTUATOR TS2 ADDITIONAL HEAT EXCHANGER WATER T...

Page 52: ...ous with electric heater and connection to EKW and IKW wall mounted controllers Diagram without valves U 3 M A A A A TSM EH High level ALARM Thermostat ALARM TSA FACTORY WIRING CONNECTION BY INSTALLER...

Page 53: ...ECM INVERTER BOARD I HB I HB POWER BOARD R1 R2 R3 ELECTRIC HEATERS TS1 MAIN HEAT EXCHANGER WATER TEMP PROBE Q1 Q2 DISCONNECT SWITCH 1P N Q3 DISCONNECT SWITCH 3P N ITEM OPTIONS E HOT COLD WATER VALVE A...

Page 54: ...tting the address in multiple installa tions and for configuring the system Multifunction digital contact directly configurable by the user on the iKW controller TTL connection for Bticino My Home sys...

Page 55: ...Additional heat exchanger water temp probe Air temp probe Multifunction digital input iKW Modulating 3 position valve expansion kit Modulating 0 10 Vdc valve expansion kit RS485 kit interface for cent...

Page 56: ...n coil control unit is not required for management in centralised systems The RS485 kit features plug play installation consequently no parameters need to be set 0 10 Vdc valve expansion kit The fan c...

Page 57: ...ectronic chard 3 SONDE TEMP SEMPRE FORNITE 3 TEMP SENSORS ALWAYS SUPPLIED TA1 Sonda aria fornita montata solo con comando montato a bordo unit Air sensor supplied mounted only with control panel mount...

Page 58: ...e sempre fornita montata Main coil water sensor always supplied mounted TS2 Sonda acqua batteria aggiuntiva fornita montata solo se presente batt Secondary coil water sensor supplied mounted only with...

Page 59: ...en Odd can be set by HB or i HB board parameters Stop Bits 1 fixed Data Bits 8 fixed 30 45 37 ELECTRICAL CONNECTIONS The expansion is fitted with a screw terminal block for connecting wires with a max...

Page 60: ...her power boards the information received from the Modbus BMS without needing to wire the entire local network All the points in the local network are managed in the same way HB or i HB power board wi...

Page 61: ...are not in contact with the fan motor Do not spray or throw water directly on the appliance Never place anything through the air intake or supply grills Do not remove any protective devices without h...

Page 62: ...e appliance to the power supply 6 Cleaning the filter Filter maintenance depends on the unit s operating conditions and indeed the frequency of inspection and maintenance will depend how dusty the env...

Page 63: ...enance Frequency recommended Air filter How frequently the filter is cleaned depends mainly on the level of dust in the environment where the unit operates Every 3 months Cover cabinet Clean the outsi...

Page 64: ...t open Check correct connection of the actuator and replace it if necessary The appliance does not cool the room No chilled water Check the chiller and circulating pump Incorrect setting on the contro...

Page 65: ...ed and suitably disposed of Oils greases detergents solvents and paint res idues must be disposed of in accordance with the laws and regulations in force The electronic components are considered speci...

Page 66: ...he operating mode switch and the thermostat FAULT 2 The appliance does not heat cool as it did previ ously SOLUTION Make sure that the filter is sufficiently clean Check that there is no air in the wa...

Page 67: ...ure set point too high Decrease the temperature set point on the controller The controller is installed in a cold place for example near a door Place the controller elsewhere Filter dirty Replace or c...

Page 68: ...following directives and their amendments 2006 42 EC Machinery Directive 2014 30 EU EMC Directive 2009 125 EC ErP Directive DECLARACI N CE DE CONFORMIDAD PARA REFRIGERADORES BOMBAS DE CALOR UNIDADES D...

Page 69: ...gemachtigd is om de EG verklaring van overeenstemming op te stellen en te ondertekenen Person som har fullmakt til utarbeide og underskrive EF samsvarserkl ringen Osoba upowa niona do sporz dzenia i...

Page 70: ...bility that the machine complies with the following directives and their amendments 2006 42 EC Machinery Directive 2014 30 EU EMC Directive DECLARACI N CE DE CONFORMIDAD PARA REFRIGERADORES BOMBAS DE...

Page 71: ...nyazonoss gi Nyilatkozat ki ll t s ra s al r s ra felhatalmazott szem ly Degene die gemachtigd is om de EG verklaring van overeenstemming op te stellen en te ondertekenen Person som har fullmakt til...

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