Carrier 38BNB018-036 Installation Manual

38BNB,BNE/40BNB,BNE018-030Duct Free SystemsInstallation, Start-Up and Service InstructionsCONTENTSPageSAFETY CONSIDERATIONS ...

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START-UPSystem Checks1. Conceal the tubing where possible.2. Make sine that the diainage tube slopes downward _dongits entire length.3. Ensure all tub

TROUBLESHOOTING (Tables 6-8, and Fig. 17)Be sure to check for broken wires or loose cable lugsbefore troubleshooting systeln.Table 6 -- Service Indica

Table7 -- 40BNB/BNE Thermistor TH-1, TH-2, and TH-3 Temperature to Resistance ConversionTEMPEATURE(F)-4.0-2.2-0.41.43.25.06.88.610.412.214.015.817.619

Table7 -- 40BNB/BNE Thermistor TH-1, TH-2, and TH-3 Temperature to Resistance Conversion (cont)TEMPEATURE TEMPERATURE TEMPERATURE TEMPERATURE MINIMUM

Table 8 -- General System Troubleshooting GuideSYMPTOMUnit Fails to Start.Only Indoor Fan Works whenCooling or Heating is Desired.NOTE: Indoor fan run

ITEM QTYMounting BracketTable 1 -- Parts List -- High Wall UnitsDIAGRAMMain Screw38B/40B018-024 or 38B/40B030Absorption CushionsLong Screws 81/2 in. C

Table 2 i Physical Data i Cooling OnlyINDOOR UNIT 40BNB-018 40BNB-024 40BNB-030COOLING CAPACITY (Btuh) 18,000 22,800 28,000SEER 10.0 10.5 10.0EER 9.6

6" (0. _min.6'-8'3" (1.8-2.5rn)Fig. 2 -- 40BNB,BNE Indoor Unit ClearancesWIRE THE INDOOR UNIT1. Remove the unit's grille inse

7. Strip the cables back 1/4 inch.8. Make sure that the wires are connecting in accordancewith the wiring diagram on the inside of the unit frontcover

CONNECT REFRIGERANT LINES -- Connect file ends ofthe refrigerant lines to their appropriate fittings, following theseguidelines:To connect the refrige

FLARING AND CONNECTING REFRIGERANT LINES1. Remove the protective cap from the flme fitting.2. Remove the protective cap from the tubing and cut to the

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