Carrier 38AN-009 User Manual

The Ideal Complement to YourDucted System When It Is Impracti-cal or Prohibitively Expensive toUse Ductwork• choice of 3 compact, attractive fancoil t

Accessories (field installed) (cont)Condensing unitsLow-ambient kit includes a solid-state head pressure con-troller designed to control condenser fan

Physical data — 38AN condensing units*UNIT 38AN 009 012NOMINAL CAPACITY (Tons)3⁄41OPERATING WEIGHT (lb) 55 62REFRIGERANT TYPE R-22Control (Cooling) Ca

Physical data — 38HDC condensing unitsUNIT 38HDC 018 024 030 036NOMINAL CAPACITY (Tons) 11⁄2221⁄23OPERATING WEIGHT (lb) 150 154 169 179REFRIGERANT TYP

UNIT 38HDC 048 060NOMINAL CAPACITY (Tons) 45OPERATING WEIGHT (lb) 270 290REFRIGERANT TYPE R-22Control (Cooling) AccuRaterT Piston at Fan Coil UnitFact

Physical data — high wall unitsUNIT 40QNB 009* 012*NOMINAL CAPACITY (Tons)3⁄41NOMINAL SIZE (Btuh) 9000 12,000OPERATING WEIGHT (lb) 18.7 24.2MOISTURE R

UNIT 40QNB 018* 024*NOMINAL CAPACITY (Tons) 11⁄22NOMINAL SIZE (Btuh) 18,000 24,000OPERATING WEIGHT (lb) 38.5 42.9MOISTURE REMOVAL RATE (Pints/Hr) 5.6

Physical data — ceiling-suspended unitsUNIT 40QAB 018* 024 036 048 060NOMINAL CAPACITY (Tons) 11⁄223 4 5NOMINAL SIZE (Btuh) 18,000 24,000 36,000 36,00

Physical data — in-ceiling cassette unitsUNIT 40QKB 024 036NOMINAL CAPACITY (Tons) 11⁄23NOMINAL SIZE (Btuh) 18,000 36,000OPERATING WEIGHT (lb) 61.6 10

Base unit dimensions —38AN009,012 outdoor units1. Dimensions in [ ] are in millimeters.2. Direction of airflow.3. Center of Gravity.4. Minimum clearanc

Base unit dimensions —38HDC condensing unitsUNIT38HDCABCDEFGHJKLMNRSOPERATINGWTft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm ft-in. mm f

These compact indoor fan coil unitstake up very little space in the roomand do not obstruct windows. The fancoils are attractively styled to blendwith

Base unit dimensions —40QNB009,012 high wall fan coil units1. Dimensions are in inches. Dimensions in [ ] are in millimeters.2. Direction of airflow.3.

Base unit dimensions —40QNB018,024 high wall fan coil units1. Dimensions in ( ) are in millimeters.2. Direction of airflow.3. Refrigerant, drain, and p

Base unit dimensions —40QAB ceiling-suspended fan coil unitsNOTES:1. Dimensions in [ ] are millimeters.2. Direction of airflow.3. Facing unit discharge

Base unit dimensions —40QKB in-ceiling cassette fan coil unitsUNIT 40QKBOPERATING WEIGHTLb Kg024 61.6 28NOTES:1. indicates airflow.2. Dimensions in. [

Base unit dimensions —40QKB in-ceiling cassette fan coil units (cont)UNIT40QKBOPERATING WEIGHTLb Kg036 105.8 48NOTES:1. Indicates airflow.2. Dimensions

Selection procedure (with example)I Determine the type of fan coil which best suitsthe application (refer to Systems Index table onpage 26).Duct-free

Performance dataSYSTEMS INDEX TABLESYSTEM MODEL NO. FAN COIL TYPE INDOOR SECTION OUTDOOR SECTION NET COOLING (Btuh)* INDEX NO.53QNB009 High Wall 40QNB

COOLING CAPACITIESSYSTEM 1* — 53QNB009 HIGH WALL SYSTEM (38AN009 WITH 40QNB009)Temp (F)Air EnteringCondenser(Edb)Air Entering Evaporator — Cfm/BF184/0

Performance data (cont)COOLING CAPACITIES (cont)SYSTEM 2* — 53QNB012 HIGH WALL SYSTEM (38AN012 WITH 40QNB012)Temp (F)Air EnteringCondenser(Edb)Air Ent

COOLING CAPACITIES (cont)SYSTEM 3* — 53QNB018 HIGH WALL SYSTEM (38HDC018 WITH 40QNB018)Temp (F)Air EnteringCondenser(Edb)Air Entering Evaporator — Cfm

Features/Benefits (cont)The totally-enclosed condenser-fanmotor means greater reliability un-der rain conditions, ensuring depend-able performance for

Performance data (cont)COOLING CAPACITIES (cont)SYSTEM 4* — 53QNB024 HIGH WALL SYSTEM (38HDC024 WITH 40QNB024)Temp (F)Air EnteringCondenser(Edb)Air En

COOLING CAPACITIES (cont)SYSTEM 5* — 53QAB018 CEILING-SUSPENDED SYSTEM (38HDC018 WITH 40QAB024†)Temp (F)Air EnteringCondenser(Edb)Air Entering Evapora

Performance data (cont)COOLING CAPACITIES (cont)SYSTEM 6* — 53QAB024 CEILING-SUSPENDED SYSTEM (38HDC024 WITH 40QAB024)Temp (F)Air EnteringCondenser(Ed

COOLING CAPACITIES (cont)SYSTEM 7* — 53QAB030 CEILING-SUSPENDED SYSTEM (38HDC030 WITH 40QAB036)Temp (F)Air EnteringCondenser(Edb)Air Entering Evaporat

Performance data (cont)COOLING CAPACITIES (cont)SYSTEM 8* — 53QAB036 CEILING-SUSPENDED SYSTEM (38HDC036 WITH 40QAB036)Temp (F)Air EnteringCondenser(Ed

COOLING CAPACITIES (cont)SYSTEM 9* — 53QAB048 CEILING-SUSPENDED SYSTEM (38HDC048 WITH 40QAB048)Temp (F)Air EnteringCondenser(Edb)Air Entering Evaporat

Performance data (cont)COOLING CAPACITIES (cont)SYSTEM 10* — 53QAB060 CEILING-SUSPENDED SYSTEM (38HDC060 WITH 40QAB060)Temp (F)Air EnteringCondenser(E

COOLING CAPACITIES (cont)SYSTEM 11* — 53QKB018 IN-CEILING CASSETTE SYSTEM (38HDC018 WITH 40QKB024)Temp (F)Air EnteringCondenser(Edb)Air Entering Evapo

Performance data (cont)COOLING CAPACITIES (cont)SYSTEM 12* — 53QKB024 IN-CEILING CASSETTE SYSTEM (38HDC024 WITH 40QKB036)Temp (F)Air EnteringCondenser

COOLING CAPACITIES (cont)SYSTEM 13* — 53QKB030 IN-CEILING CASSETTE SYSTEM (38HDC030 WITH 40QKB036)Temp (F)Air EnteringCondenser(Edb)Air Entering Evapo

Features/Benefits (cont)HIGH WALL FAN COILS —40QNB (3⁄4- 2 Tons)High walls are the most cost-effective duct-free split systems. They can be usedfor sim

Performance data (cont)COOLING CAPACITIES (cont)SYSTEM 14* — 53QKB036 IN-CEILING CASSETTE SYSTEM (38HDC036 WITH 40QKB036)Temp (F)Air EnteringCondenser

Electrical data38HDC CONDENSING UNITSUNITSIZE38HDCV-PH-HzOPERATINGVOLTAGEMINIMUM*OPERATINGVOLTAGEMAXIMUM*COMPRLACOMPFLAFANFLAPOWERMCA MOCP FLA018208/2

Typical piping and wiring —high wall systems, 9,000 and 12,000 BtuhLEGENDNEC — National Electrical Code*Standard.†Field supplied.NOTES:1. All piping m

Typical piping and wiring —high-wall systems, 18,000 and 24,000 BtuhLEGENDNEC — National Electrical CodePipingLine Voltage24 VThermistor*Standard.†Fie

Typical piping and wiring —ceiling-suspended systemsLEGENDf — PhaseNEC — National Electrical CodePipingLine Voltage24 VThermistor*Standard.†Accessory

Typical piping and wiring —in-ceiling cassette systemsLEGENDf — PhaseNEC — National Electrical CodePipingLine Voltage24 V*Standard.†Accessory item.**F

Application dataUnit selectionSelect equipment to either match or be slightly less thananticipated peak load. This provides better humidity con-trol,

FAN COIL UNITSCONDITION 40QNB 40QAB 40QKBMaximum RoomTemperature (F)84 84 95Minimum RoomTemperature (F)64 64 55Maximum Return Air (F)Dry-Bulb 85 85 85

Application data (cont)Long-lines applications, 38HDC units:1. Liquid lines on all 38HDC units should be3⁄8in. only.DO NOT resize liquid lines for add

FITTING LOSS IN EQUIVALENT FT FOR ELBOWSTUBE SIZEO.D. (in.)90-DEGREESHORTRADIUS90-DEGREELONGRADIUS45-DEGREESHORTRADIUS5⁄81.6 1.0 0.83⁄41.8 1.2 0.97⁄82

Model number nomenclature53 SERIES COOLING ONLY DUCT-FREE SPLIT SYSTEMS38 SERIES COOLING ONLY CONDENSING UNITS40 SERIES COOLING ONLY FAN COILS*System

Application data (cont)CHANGE IN INDOOR UNIT PISTON SIZEFOR ELEVATIONOUTDOOR UNIT ABOVE INDOOR UNITFt Piston Change0-25 026-50 -351-75 -576-100 -7101-

ControlsWired 24 v controls (40QAB, 40QKB)1. A 24-v thermostat is supplied for operation of all in-ceiling and cassette systems.2. Controller can only

Application data (cont)Sound dataCONDENSING UNIT SOUND RATINGSUNIT SOUND RATING (Decibels) FREE FIELD dBA*38AN009 65 55.738AN012 65 55.738HDC018 70 59

SOUND POWER DATA OCTAVE BANDS — A WEIGHTEDUNITFANSPEEDOCTAVE BAND DATA (dBA)125 250 500 1000 2000 4000 800038AN009 H 48.9 54.9 58.3 59.1 54.9 49.1 39.

Typical wiring schematic,53QNB009,012 systems (012 shown)See Legend and Notes on page 56.54

Typical wiring schematic,53QNB018,024 systemsRELAY CHARTCOMPRESSOR K13THERMISTOR EQUIVALENCETEMPERATURE RESISTANCE°F °C V95 35 6,50072 22 11,40032 0 3

Typical wiring schematics (cont)LEGEND AND NOTES FOR TYPICAL WIRING SCHEMATICS, 53QNBAGING — For Burn-In Test(short terminals)AS — AssemblyC—Contactor

Typical wiring schematic — 53QAB systemLEGENDASM — Air Sweep MotorASR — Air Sweep RelayASW — Air Sweep SwitchC—ContactorCAP — CapacitorCLO — Compresso

Typical wiring schematic — 53QKB systemLEGENDC—ContactorCAP — CapacitorCLO — Compressor LockoutCOMP — CompressorCR — Control RelayCT — Current Transfo

Controls — systems using high-wallfan coils (53QNB)Control system — The 40QNB unit is equipped with amicroprocessorcontrol which operates the system.

Model number nomenclature (cont)ARI* capacitiesSYSTEMMODEL NO.(includesvoltagedesignation)†FAN COIL TYPEINDOORSECTION(includesvoltagedesignation)OUTDO

Controls — systems using high-wallfan coils (53QNB) (cont)2. If the room temperature is below the selected tempera-ture, the unit operates for 8 minut

Controls — systems using ceiling-suspended(53QAB) or cassette (53QKB) fan coilsOperating mode memoryAfter the system is turned off or after a power fa

Guide specifications — outdoor unitsCommercial Condensing UnitsHVAC Guide SpecificationsSize Range:3⁄4to 5 Tons Cooling CapacityCarrier Model Number: 38

G. Controls and Safeties:Operating controls and safeties shall be factory se-lected, assembled, and tested. The minimum controlfunctions shall include

Guide specifications — high-wall unitsCommercial High-Wall Fan Coil UnitsHVAC Guide SpecificationsSize Range:3⁄4to 2 Tons Cooling CapacityCarrier Model

G. Filters:Unit shall have filter track with factory-supplied clean-able filters.H. Electrical Requirements:Unit shall operate on 115 v (009), 208-v (01

Guide specifications —40QAB ceiling-suspended unitsCommercial Ceiling-Suspended Fan CoilsHVAC Guide SpecificationsSize Range: 11⁄2to 5 Tons Cooling Capa

J. Special Features (Field Installed):Certain features are not applicable when the featuresdesignated by * are specified. For assistance in amend-ing t

Guide specifications —40QKB in-ceiling cassette unitsCommercial In-Ceiling Cassette Fan CoilHVAC Guide SpecificationsSize Range: 11⁄2to 3 Tons Cooling C

Accessories (field installed)STANDARD FEATURES AND FIELD-INSTALLED ACCESSORIESSTANDARD FEATURE/FIELD-INSTALLEDACCESSORY53QNB(High Wall)53QAB(Ceiling Su

Accessories (field installed) (cont)See Standard Features and Field-Installed Accessories table on page 7 for information on system featuresand accesso

CHARCOAL FILTER KITCOLLECTORACTIVECARBONFILTERThe charcoal (carbon) filter kit is available for duct-free high wall fancoil units. This accessory impro