Carrier 38QUS014DS2 series Installation Manual

Also see for 38QUS014DS2 series: Installation manual Installation manual Service manual Service manual

Contents

outlet must be used for this unit.DO NOT plug another appliance orcharger into the same outlet.If theelectrical circuit capacity is notenough or there is a defect in the electrical work, it can lead to shock,fire, unit and property damage.DO NOT modify the length of thepower cord or use an extension cord.DO NOT connect the unit with thepower source until all wiring andpiping is completed.7GB-147. WIRINGSafety PrecautionsWARNING• Be sure to disconnect the powersupply before working on the unit.• All electrical wiring must be doneaccording to local and nationalregulations.• Electrical wiring must be done by aqualified technician. Improperconnections may cause electricalmalfunction, injury and fire.• An independent circuit and single• Connect the power cable to theterminalsand fasten it with a clamp.An insecure connection may causefire.• Make sure that all wiring is donecorrectly and the control board coveris properly installed. Failure to do socan cause overheating at theconnection points, fire, and electricalshock.• Ensure that main supply connectionis made through a switch thatdisconnects all poles, with contactgap of a least 3mm (0.118”).•CAUTION• Connect the outdoor wires beforeconnecting theindoor wires.• Make sure you ground the unit. Thegrounding wire should be away fromgas pipes, water pipes, lightning rods,telephone or other grounding wires.Improper grounding may causeelectrical shock.•• Make sure that you do not cross yourelectrical wiring with your signalwiring, as this can cause distortionand interference.Follow these instructions to preventdistortion when the compressor starts:• The unit must be connected to the mainoutlet. Normally, the power supply musthave a low output impedance of 32ohms.• No other equipment should beconnected to the same power circuit.• The unit’s power information can befound on the rating sticker on theproduct.Outdoor Unit WiringWARNINGBefore performing any electrical or wiringwork, turn off the main power to the system.1. Prepare the cable for connectiona. You must first choose the right cablesize before preparing it for connection.Be sure to use H07RN-F cables.