Carrier 42VMC Air Conditioner User Manual
Contents
1. 42VMC Console night amp day CE EUROVENT CERTIFIED PERFORMANCE INSTALLATION MANUAL 42VMC Split system Console night amp day indoor unit The operation and maintenance instructions for the indoor unit and the installation instructions for the indoor and the outdoor unit are given in the manuals for each unit These are supplied with the unit Contents Page Dimensions and 2 RS E A E E E e eater 2 MIPIMUNI GI CA 2 ROMO 3 ATCT SUDONCO 3 Operating ii 3 General information assortito oi itato ito 4 Warnings 0 6 EEE EE ERT EEEn 5 INSIRIRIO Rari 6 FSIFISFANECONNSCIONS 8 Electrical COnnection rn i inte 9 11 OVStem COMIN Rini 12 4 i io 13 Address selector ria ea 13 PINE COO aa 13 Guide 6 13 PCC OSS OSS caste tere ts ascii aerea riale 13 ano 14 Fresh air renewal rr 14 Cooling only and i heat pump models ower supply2. 42VMC009 42VMC012 42VMC014 230V 50Hz 42VMC018 42VMC024 L J J 0 74 T 42VMC Dimensions and weights Minimum clearances mm Dimensions and weights Minimum clearances Wall installation 7 In 500 m 50 min AWK Ceiling installation LAS 50 min Model 42VMC009 42VMC012 42VMC014 42VMC018 42VMC024 A mm B 5o 5 e 6o POWER INPUT Table I Nominal data Cooling only Unit is not suitable for operation in laundry premises ae ea For sizing of power supply wires and delay type fuses refer to W the outdoor unit installation instructions 80 Heat pump emoa GB 2 42VMC Connections ENGLISH Note Outdoor unit Height difference Connection length Pipe bends Indoor unit See outdoor unit installation manual l i Height difference Table II Material supplied 4 Photocatalytic filter Acrylic fibre filter Condensate drain pipe cover use for horizontal installation Drilling template Installation manual Owner s manual Wireless infrared remote control kit Table III Operating limits Cooling Heating Refer to outdoor unit installation manual Mains power suppl Nominal single phase voltage 230V 50Hz i Operating voltage limits min 198V max 264V GB 3 42VMC General information Unit installation Read this instruction manual thoroug
3. Order No 14489 74 April 2002 Supersedes Order No 14489 74 January 2002 Printed in Italy
4. in Table III operating limits of the outdoor unit installation manual will immediately void the unit warranty GB 4 Failure to observe electric safety codes may cause a fire hazard in case of short circuits e Inspect equipment for damage due to improper transportation or handling file an immediate claim with the shipping company Do not install or use damaged units e In case of any malfunctioning turn the unit off disconnect the mains power supply and contact a qualified service engineer e This equipment contains R 410A refrigerant a substance that is not depleting the ozone layer All of the manufacturing and packaging materials used for your new appliance are compatible with the environment and can be recycled e Dispose of the packaging material in accordance with local requirements This equipment contains refrigerant that must be disposed of in the proper manner When disposing of the unit after its operational life remove it carefully The unit must then be delivered to an appropriate disposal centre or to the original equipment dealer for proper environmentally friendly disposal Choosing the installation site Positions to avoid e Exposed to direct sun Too close to heat sources On humid walls or positions with water hazard e g laundry premises e Where curtains or furniture may obstruct free air circulation Recommendations Choose an area free from obstructions which may cau
5. FD GFdn i Default 1 A St OF unit in stop mode Choose of operating mode after a power supply On automatic restart interruption Table V Shown on Explanation Description display A unit A Address indoor unit A CH b unit B Address indoor unit B Ab units A and B Default address is both indoor units C Degrees Celsius Temperature F Degrees Fahrenheit Default is C ro HP heat pump Default address is heat pump AC cooling only Change address for cooling only HPR 17 32 17 C 32 C Heating temperature range C min and max 63 90 63 F 90 F Heating temperature range F min and max 17 32 17 C 32 C Cooling temperature range C min and max 63 90 63 F 90 F Cooling temperature range F min and max 12 12 12 hour clock AM PM Time format AM morning PM afternoon 24 24 24 hour clock Default is 12 12 NOTE If the HR is set to a value that is lower than CR and the remote control operating mode is auto the operating mode is set to cooling NOTE If the selection is changed from rc HP operation to cooling only and the remote control operating mode is auto or heating the operating mode is set to cool GB 12 42VMC Operating test address selector fault code guide for the owner and accessories Operating test e Perform the operating test after the units have b
6. Motor with overheat overcurrent protection GB 9 42VMC Electrical connections Cooling only 42VMC 009 012 014 230V 50Hz S 42VMC 018 024 230V 50Hz 42VMC 009 42VMC 012 014 42VMC 018 024 1 Mains supply connecting cable Terminal box legend 10 120 field wiring Neutral connection indoor outdoor unit Compressor interlocking contact GB 10 Time delay fuse or circuit breaker see outdoor unit installation manual Earth 2 Connecting cable indoor outdoor units L Live power supply field wiring N Neutral power supply I N Neutral connection indoor outdoor unit 10 100 5 A R Live connection indoor outdoor unit Main switch Y 42VMC Electrical connections ENGLISH Heat pump 42VMC 009 012 014 230V 50Hz 42VMC 018 024 230V 50Hz vO 1 I EE 42VMC 009 42VMC 012 014 42VMC 018 024 Terminal box legend 1 Mains supply connecting cable Earth ri i 10 120 field wiring i i supply AE Connecting cable indoor outdoor units eutral power supply field wiring N Neutral connection indoor outdoor unit R Live connection indoor outdoor unit C Neutral connection indoor outdoor unit l Y Compressor interlocking contact 10 100 g it O Reversing valve control Main switch W2 Outdoor fan signal Time delay fuse or circuit breaker S Defrost end signal see outdoor
7. aintenance e Use this unit only for factory approved applications the unit cannot be used in laundry or steam pressing premises IMPORTANT During the unit installation make first refrigerant connections and then electrical connections When disassembling first disconnect electrical cables then refrigerant connections WARNING Disconnect the mains power supply switch before servicing the system or handling any internal parts of the unit e Do not open the remote controller to avoid possible damage In case of malfunctioning contact a qualified service engineer e This installation manual describes the installation procedures of the indoor unit of a residential split system consisting of two units manufactured by Carrier Consult factory or a qualified system engineer prior to connecting this unit to any other manufacturer s outdoor unit Coupling units which have different control systems may cause irreversible damage and void the warranty protection The manufacturer declines any liability for system malfunction resulting from unapproved coupling Operating conditions outside the operating range Connections will cause safety device tripping or damage to unit components The manufacturer declines any liability for damage resulting from modifications or errors in the electrical or refrigerant connections Failure to observe the installation instructions or use of the unit under conditions other than those indicated
8. an 100 mm Do not bend copper tubes more than three times at the same point e Do not remove flare fittings from unit tubes before actually making the connections e Do not fasten the insulation too tightly to the tubes with straps or tape Flaring the end of the tubing Remove protective caps from the copper tube ends Position tube end downward cut the tube to the required length and remove the burrs with a reamer Remove flare nuts from the unit connections and place them on the tube end Flare the tube with a flaring tool Flare end must not have any burrs or imperfections The length of the flared walls must be uniform Finger tighten the fitting several turns then tighten it fully with two wrenches by applying the tightening torque indicated in the table GB 8 Connection to the unit Insufficient tightening torque will cause gas leaks Overtightening the fittings will damage the tube flaring and cause gas leaks 1 Adijustable wrench or torque wrench Connecting pipes Unit connections Tubing diameter Torque mm inches Nm 6 35 1 4 18 9 52 3 8 42 12 70 1 2 55 Tube insulation 6 Fastening tape Once all connections have been completed check for leaks by applying soapy water to them If incorrect connection or removal of the unit results in a refrigerant gas leak check the refrigerant charge as indicated in the OUTDOOR UNIT INSTALLATION MANUAL Fina
9. ate drain piping horizontal condensate drain piping with less than 2 slope RS slack on electrical connections disconnecting refrigerant unnecessary turns and bends in interconnecting tubing excessive connections after installation this will cause refrigerant leaks interconnecting tube length see installation manual of outdoor unit GB 5 42VMC Installation Vertical wall mounting e Le Plate Template The preferred arrangement is generally under a window sill on an Ceiling installation external wall This makes it easier to install the interconnecting tubing 7 electrical connections and condensate pipework to the outdoor e Using the template supplied drill the four holes in the ceiling and unit position four tie rods not supplied The indoor unit can also be installed against an internal partition if the connections to the outdoor unit can be concealed Attach the unit to the tie rods as shown in the illustration e For better operation of the thermostat located on the unit it is advisable to avoid unit installation in enclosed spaces There are three alternatives for the connections to the unit parallel to the wall through the wall or through the side Ensure a minimum slope of 5 mm refrigerant connection side must be lower by modifying on the tie rod fixing Preparation Unpack the unit e Open and remove t
10. e the configuration menu configuration item rAdr remote address and the temperature For other available configuration options see table V segments will display the default value of this configuration item Ab control of both indoor units Note e Press button M repeatedly until UCFG is displayed When 30 seconds have elapsed and no buttons have been Press either the or V button to change the default value HP pressed the remote controller will automatically exit the to the new value AC configuration menu and the procedure has to be restarted e Press 3 button to transmit the new configuration to the unit Press T button to leave the configuration menu For other available configuration options see table IV Note When 30 seconds have elapsed and no buttons have been pressed the remote controller will automatically exit the configuration menu and the procedure has to be restarted Table IV Shown on Explanation Description display A remote unit A Remote address indoor unit A rAdr b remote unit B Remote address indoor unit B Ab remote units A and B Default address is both indoor units CFG HP heat pump Default address is heat pump AC cooling only Change address for cooling only ji 1 40 with increase of 1 CCN unit address UAdr 2 Default 1 Det i S 1 40 with increase of 1 Number of zone ZONE Default 0 di A 1 40 with increase of 1 Number of G
11. een installed in position and the gas leak test has been completed Check all electrical connections instructions and wiring diagram Insert the batteries into the remote control and leave it OFF Energise the system turning the power supply ON Press the and 35 buttons of the infrared remote control and hold them pressed for more than 5 seconds The display will be cleared the time segments will display the icon Src service test After test has been completed press 1 button to leave the test menu Note When 30 seconds have elapsed and no buttons have been pressed the remote control will automatically exit the test menu and resume its normal operation Address selector If you are installing two indoor units in the same room and you want them to operate in independent mode it is necessary to assign each unit its own address so that each unit can operate via its own remote control For configuration proceed as follows Configuration of the unit e Press the M and 3 buttons of the infrared remote control and hold them pressed for more than 5 seconds e The display will be cleared the time segments will display the first configuration item rAdr remote address and the temperature segments will display the default value of this configuration item Ab control of both indoor units Press either the or V button to change the default value Ab to the new value A or b e Press 7S button to t
12. ernally covered with anti condensate material fibre glass from 12 to 25 mm thickness GB 14 Wall installation heating 4 lt Ceiling installation heating Make absolutely sure that the above parts are not obstructed even partially e To complete the installation all non insulated ducts must be covered with anti condensate insulation ex expanded neoprene 6 mm thickness Not observing of these instructions may cause condensate dripping the manufacturer will not be held responsible for any damage caused e The supplementary fan motor for outside air intake has to be supplied separately and controlled by a bipolar ON OFF switch with safety fuses field installed To adjust the fan motor air flow to the required values it is advisable to install a speed controller Fresh air flow must be less than 10 of the total air flow to avoid operating problems For fresh air ventilation rates higher than 10 a primary air treatment system with separate deflectors is recommended e Install an air inlet grille with filter inspection port to prevent dust and dirt from entering and fouling the indoor unit heat exchanger Filter installation also makes the installation of a duct closing damper during shutdown periods unnecessary L010125H33 0402 Via R Sanzio 9 20058 Villasanta MI Italy Tel 039 3636 1 The manufacturer reserves the right to change any product specifications without notice
13. he suction grille To remove suction grille remove the central lock using a pliers then with a screwdriver remove the two side screws fixing the fasteners Locate the mounting template supplied with the unit Installation Use the template supplied and drill the four fixing holes in the wall Use the four dowels provided Fix the attachment plate using the two upper holes 009 012 014 018 Attach the unit Fix the unit to the wall using the two holes positioned in the lower a e Verify that the unit is level GB 6 42VMC GB Installation ENGLISH Drilling the hole in the wall for the For horizontal installation connection of the pipes To allow the condensate drain pipe to correctly come out of the unit proceed as follows The pipes can exit the unit to three different directions see illustra tion For exit to the rear the wall hole must be made in the position shown in the illustration E E an n Q e Remove from suction grille the part of grille fixed tonguing pressing it until tabs is unhooked Q Indoors 2 Outdoors Drill a 70 or 80 mm diameter hole The hole must have a 5 10 mm downward slope towards the outside Insert the plastic conduit provided Pass the electrica
14. hly before starting the installation This unit complies with low voltage EEC 73 23 and electro magnetic compatibility EEC 89 336 directives e The installation must be carried out by a qualified installer e Follow all current national safety code requirements In particular ensure that a properly sized and connected ground wire is in place Check that voltage and frequency of the mains power supply are those required for the unit to be installed the available power must be adequate to operate any other possible appliances connected to the same line Also ensure that national safety code requirements have been followed for the mains supply circuit The mains supply must be connected as follows Models 42VMC 009 012 014 to the indoor unit Models 42VMC 018 024 to the outdoor unit e Connect indoor and outdoor units with field supplied copper pipes by means of flare connections Use insulated seamless refrigeration grade pipe only Cu DHP type according to ISO 1337 degreased and deoxidized suitable for operating pressures of at least 4200 kPa Under no circumstances must sanitary type copper pipe be used e Use field supplied 16 mm I D PVC pipe of appropriate length and with the correct thermal insulation for the condensate drain After installation thoroughly test the system operation and explain all system functions to the owner Leave this manual with the owner for consultation during future periodic m
15. installation and tests are completed explain the Operation and Maintenance Manual to the owner with particular attention to the main operating modes of the air conditioner such as e Turning the unit on and off Functions of the remote control Removal and cleaning of the air filters Leave the two installation manuals for the indoor and outdoor units with the owner for future use during maintenance operations or for any other needs 009 012 014 018 024 Condensate sare pump zov soe e 9 cene cor ses e e e GB 13 42VMC Air delivery and fresh air renewal Air delivery direction Wall installation cooling Ceiling installation cooling No draught guide vane fully open position recommended for ceiling installation in cooling mode to avoid draughts IMPORTANT Air is supplied into the room through the grilles located on top of the cabinet air from the room is drawn into the unit through the grilles and filter at the bottom of the unit Fresh air renewal Units are prearranged for introduction of renewal air through a prepunched hole located on back side Back knockout allows connection of fresh air inlet duct Model 009 012 Model 014 018 024 Use locally purchased material suitable for operating temperatures of 60 C continuous Conduits can be of flexible polyester with spiral core or corrugated aluminium ext
16. l connecting wires through the conduit see electrical connections Condensate drain pipe For vertical installation Connect the PVC pipe to the connection on the drain pan A Refrigerant connections B Condensate drain pipe IMPORTANT The outdoor unit is designed to operate without the use of condensate water to cool the condenser coil It is necessary to discharge the condensate directly into the sewer system downpipes or to disperse it outside Mount condensate drain pipe cover supplied fitting it as necessary In the event of condensate discharge pump is used accessory the condensate drain pipe can exit together with the refrigerant pipes GB 7 42VMC Refrigerant connections Make refrigerant connections before connecting the system to the power supply Refer to the outdoor unit installation manual for tube sizing and limitations slopes length number of curves allowed refrigerant charge etc Tubing diameter Gas Liquid Model Suction Discharge mm inches mm inches 009 1 4 012 1 4 014 1 4 018 1 2 1 4 024 12 70 1 2 1 4 For refrigerant tubes use seamless insulated refrigeration grade tube Cu DHP type according to ISO 1337 degreased and deoxidized suitable for operating pressures of at least 4200 kPa Under no circumstances use sanitary type copper pipe Note Do not kink or flatten the tubes e Avoid bends with a bending radius of less th
17. lly wrap connections with anti condensate insulation and tighten with tape without exerting great pressure on the insulation Repair and cover any possible cracks in the insulation Connection pipes and electric cables between indoor and outdoor units must be fixed to the wall with appropriate conduits Check Pour water into the condensate drain pan and check that it flows freely to the drain 42VMC Electrical connections Jumper positioning Units are equipped with a jumper inside the electric control box to make them suitable for the two installation typologies Wall vertical installation jumper inserted Ceiling horizontal installation jumper removed To reset incorrect jumper positioning proceed as follows Disconnect the power supply e Reposition the jumper correctly e Connect the power supply IMPORTANT e Make refrigerant connections before electrical connections When disconnecting disconnect electrical connections before refrigerant connections Make ground connection prior to any other electrical connections GB ENGLISH The mains supply must be connected as follows Models 42VMC 009 012 014 to the indoor unit Models 42VMC 018 024 to the outdoor unit e Make electrical connections between units prior to proceeding to mains supply unit connection Before proceeding with the unit connection to the mains supply locate live L and neutral N then make connections as shown in
18. ransmit the new configuration to the unit e Press button to leave the configuration menu Configuration of the remote controller e Press the V and 3 buttons of the infrared remote control and hold them pressed for more than 5 seconds e The display will be cleared the temperature segments will display the first configuration item CH remote address and the time segments will display the default value of this configuration item Ab control of both indoor units e Press either the or V button to change the default value Ab to the new value A or b e Press button to transmit the new configuration to the unit Press D button to leave the configuration menu Note When 30 seconds have elapsed and no buttons have been pressed the remote control will automatically exit the configuration menu and the procedure has to be restarted Table VII Accessories GB ENGLISH Fault code Once a failure occurs with the indoor unit in operation the green unit LED flashes at intervals of 0 5 seconds The fault code is deduced from the number of times the green LED flashes blocking unit operation Between one flash cycle and the next one a pause of 5 seconds elapses Table VI Fault code Room air sensor fault Indoor unit coil sensor fault Filter dirty Outdoor unit failure EEPROM corrupt Unit address incomplete Address zone incomplete Gas flow distributor corrupt Guide for the owner When
19. se irregular air distribution and or return Check that the wall surface is flat enough to allow easy and safe installation The wall structure should be strong enough to carry the unit weight and avoid deformation rupture or vibration during operation Consider using an area where installation is easy Choose a position that allows for the clearances required see drawing Look for a position in the room which assures the best possible air distribution Install the unit in a position where condensate can easily be piped to an appropriate drain 42VMC Warnings avoid ENGLISH any obstruction of the unit air outlet or return exposure to direct sunshine when unit is operating in cooling mode always use shutters or shades positions too close to heating sources which may damage the unit connecting condensate piping to sewage system drain without appropriate trap Trap height must be calculated according to the unit discharge head in order to allow sufficient and continuous water evacuation only partial insulation of the piping Installation not correctly levelled which will cause condensate dripping flattening or kinking the refrigerant pipes or condensate pipes excessive height difference between outdoor and indoor units see installation manual of outdoor unit aNy rise in the condens
20. the wiring diagram Ensure that mains supply connection is made through a switch that disconnects all poles with contact gap of a least 3 mm e The indoor outdoor unit connecting wires must be A07 RN F type or higher with synthetic rubber insulation with Neoprene coating according to EN 60335 2 40 and HD277 S1 codes The mains supply connecting cable for 42VMC 009 012 014 units must be HO7 RN F type or higher with synthetic rubber insulation with Neoprene coating according to EN 60335 2 40 and HD277 S1 codes e Ground connection between indoor and outdoor unit is made via the refrigerant pipes e With the cable clamp supplied secure the connecting cable between the two units Fasten the electric connecting wires with refrigerant tubes together Allow an additional length to the electric wires for easy connection to the unit connectors Notes For sizing of power supply wires and delay type fuses refer to the outdoor unit installation instructions All field electrical connections are the responsibility of the installer IMPORTANT The units are provided with electronic control A time delay device provides a 3 minute starting delay of the compressor every time the unit is stopped or when it is initially switched on Control and safety devices The following control and safety devices are built into the indoor units see wiring diagrams Room air thermostat adjustable from 18 C to 32 C e
21. unit installation manual GB 11 42VMC System configuration System configuration Cooling only configuration of the remote controller e Insert the batteries into the remote controller and leave it OFF e Energize the system turning the power supply ON e Press the V and 38 buttons of the infrared remote control and hold them pressed for more than 5 seconds e The display will be cleared the temperature segments will display the first configuration item CH remote address and the time Units are factory configured as heat pumps When a cooling only system is installed it is necessary to change the factory configuration Such operation must be performed by the installer as follows Cooling only configuration of the system segments will display the default value of this configuration item e Check all electrical connections instructions and wiring diagram Ab control of both indoor units Insert the batteries into the remote control and leave it OFF e Press button M repeatedly until rc is displayed Energise the system turning the power supply Press either the or V button to change the default value HP e Press the M and 2 buttons of the infrared remote control and to the new value AC hold them pressed for more than 5 seconds e Press button to transmit the new configuration to the unit e The display will be cleared the time segments will display the first Press 1 button to leav
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