Carrier 42GW Installation Manual

42GW•LLOYD'SREGISTERQUALITYASSURANCEISO9001INSTALLATION MANUAL

GB - 942 GWENGLISH• The unit control circuit only allows opening of the motorizedvalve when the fan motor is working.(See wiring diagrams)• When the t

42 GWGB - 10 Fan speedH = high speedM = medium speedL = low speed Heat CoolMotorized valve and control230V valve connection or230V valve relay conn

GB - 1142 GWENGLISHMotorized valve and control• If these connections are not made as described the drainpan condensate may overflow.• Valves should on

42 GWGB - 12IMPORTANT for units with electric heaters;The unit is equipped with two thermostats: one with automaticreset and one with manual (electric

42 GWGB - 13ENGLISHElectric heatersupplyValves connection:select the diagram according to thesystem type햻햺햹햸햲햳햴햵햶햷햿헀WWRACCCCY-GY-GGGCCBBY-GY-GRRRR1234

42 GWGB - 14  Air intake grilleFresh air renewal and conditioned air supply to an

GB - 1542 GWENGLISHAir flow m3/hAvailable static pressure - PaFresh air renewal• The optional supplementary fan for fresh air intake (fieldsupplied) h

42 GWGB - 16Maintenance and owner's guideMaintenanceCleaning and maintenance operations must be carried out byspecially trained personnel.Before

L010122H22 - 0405Via R. Sanzio, 9 - 20058 Villasanta (MI) Italy - Tel. 039/3636.1The manufacturer reserves the right to change any product specificati

ENGLISHGB - 142 GW“Hydronic Global Cassette” Fan Coil UnitsContents

42 GWGB - 2Dimensions and weights42GW 004 008 010 012 016 020Unit 17.5 19 19 36 38 38Frame/Grille assembly 333555813595960298120225280Ø 1504408816082

42 GWGB - 3ENGLISHTable III: Technical data of electric heaters (if installed)IMPORTANT:The electric heater mustalways be factory installed(mod. 42GWE

42 GWGB - 4General InformationUnit installationRead this instruction manual thoroughly before startinginstallation.• This unit complies with the low-v

GB - 542 GWENGLISHAvoid...MAX 3 mMAX 3 mMAX. 200 mm... any obstruction of the unit air intake or supply grilles... exposure to direct sunshine, when

42 GWGB - 6InstallationPrior to installationIt is advisable to place the unit as close as possible to the installation sitebefore removing it from t

GB - 742 GWENGLISHInstallation Threaded hangers "T" bar(to be removed)  False ceiling Spirit level 

42 GWGB - 8A BInstallationInstallation of grille/frame assemblyCarefully unpack the assembly and check for damage sustained intransit. Attach