Carrier 42DW Series Installation Instructions Manual

Also see for 42DWC07: Installation instruction Installation manual

Contents

safety precautions

Carrier 42DW Series Installation Instructions Manual Manual pdf 3 page image

3EnglishL e g e n dFan coil units “Hydronic Global Satellite”Ref. Q.ty 1 Electric heater 1 Thermostat cover 1 Circuit diagram 2 Cover screws 2 Labels 1 Screw for relay 2 Instructionsh 1 Support flangeFig.1H Outlet flangeFig.3 Screw for relayE Power terminal blockF Multicore faston terminal connectorZ Cable clamp• WARNING: do not install heating element kit when the unit isconfigured with lateral air outlets or octopus.• Heating element kit can only be installed if the unit is configuredwith a front air outlet. Maximum external static pressure is shownin table 2.• Read this instruction manual thoroughly before using theheating element kit and keep it for further consultation even afterinstallation.• This kit complies with low voltage (EEC/73/23), electromagneticcompatibility (EEC/89/336) Directive.• The installation must be carried out by a qualified installer.• For safety reasons, installers are required to read the generalinformation carefully.• Follow all the instructions below to ensure safety.• Inspect the kit for damage due to improper transport. Do notinstall or use damaged equipment.• To prevent fire, explosion or injury, do not operate the unitwith kit near dangerous substances or close to naked lightequipment.• Check that voltage and frequency of the mains power supply arethose required for the kit to be installed; the available power mustbe adequate to operate any other appliances connected to thesame line.• Make sure that properly sized disconnecting and safety switchesare installed.• The manufacturer declines any liability for damage resultingfrom modifications or errors in the electrical connections. Failureto observe the installation instructions, or use of the kit underconditions other than those indicated in the table “Operatinglimits” of the unit/kit installation manual, will immediatelyinvalidate the unit warranty.• All of the manufacturing and Packaging materials used for yournew appliance are compatible with the environment and can berecycled.• When installing the heating element kit and after connectingthe electric cables, cover the connectors using the protectiondevices.• In order to avoid electric shock, fire or injury, stop the kit anddisconnect the safety switch in case of abnormal events (such assmell of burning) and call Carrier Service for further instructions.• WARNING: Disconnect the mains power supply prior to anymaintenance operations or prior to handling any internal parts ofthe kit.• Do not attempt to repair, move, modify or re-install the kit on yourown. To avoid electric shock or fire make sure these operationsare carried out by qualified personnel only.• Contact the qualified service if one of the following events takesplace:- hot or damaged power supply cable; frequent operation of theprotection devices;- unusual smell (such as smell of burning).Safety precautionsInstallationTabel 2Electric heater operating limitMax. T of indoor air +27° C42DWC Maximum outdoor static pressure [Pa]07 7509 15012 17016 190• Disconnect the product from the mains power supply prior to installingthe kit.• Loosen the fixing screws (fig. 1) and remove the outlet flange (ref.H).• Fix the electric heater  to the unit outlet using the screws removedpreviously (fig. 2 a-b).• Remove the indicated area from the electric box (fig. 2 a-b).• Place the relay inside the electric box and fix it using the screw  (fig.3).• Make electric connections as shown in the circuit diagram  and infig.3.- Connect the blue cable (ref. Y) in the electric box to contact A1 ofrelay coil (ref. A).- Connect the orange cable (ref. X) of contact A2 of the relay coil (ref.B) to terminal “H” of the 6 pole terminal block (ref. F).- Connect the red cable of the thermostat (ref. K) to terminal L of thepower terminal block (ref. E).- Connect the black cable of the thermostat (ref. G) to contact 11 ofthe relay (ref. C).- Connect the blue cable of the electric heaters (ref. J) to terminal Nof the power terminal block (ref. E).- Connect the black cable of the electric heaters (ref. I) to contact 14of the relay (ref. D).• When connections are all made, use the cable clamp (ref. Z) to fix thecables from the electric heaters as shown in fig. 3.• Make the electrical connection to the mains electricity supply usingthe cable indicated in Table 1 and according to the circuit diagram .• Make certain that the connection to the mains electricity supply ismade via an omnipolar switch with opening of contacts of at least3mm.• Close the electrical panel.• Apply the characteristic label  supplied with the unit near the unitlabel.