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Carrier 38AN,BK manual

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Table of contents for the manual

  • Page 1

    38AN,BK with 40QN009,012 Cooling Only/Heat Pump Systems Installation, Start-Up an Service Instructions (For Use in High Wall Applications) CONTENTS Page SAFETY CONSIDERATIONS ................... 1 GENERAL .................................. 1,2 INSTALLATION ............................. 2-13 Step 1 - Complete Pre-lnstallation Checks .... 2 • UNPAC[...]

  • Page 2

    combinations, and Table 2 for application range. Refer to this manual for proper installation of the complete system. Refer to Table 1 to make sure the correct indoor unit is in- stalled with the correct outdoor unit. Be sure the unit will be operated within the application guidelines shown in Table 2. When installing the 38AN or 38BK unit, it is i[...]

  • Page 3

    m 8 "....._ + 36" *A clearance of 31,_" is the absolute minimum. A clearance of 10" is recommended. NOTE: Remove unit front cover for control box access. Fig. 2 -- Minimum Required Fan Coil Unit Clearances 4. Select walls that are: a. Strong enough to support the weight of the unit (see Tables 4A-4D for unit operating weight). b[...]

  • Page 4

    Table 4A-- Physical Data, 38AN Cooling Only Condensing Units* UNIT 38AN NOMINAL CAPACITY (Tons) OPERATING WEIGHT (Ib) REFRIGERANT TYPE Control (Cooling) Factory Charge (Ib) COMPRESSOR TYPE Model Oil (Recharge) (oz) Crankcase Heater Accumulator OUTDOOR FAN Rpm Diameter (in.)...No. of Blades Motor Watts Nominal Air Cfm OUTDOOR COIL Face Area (sq tt),[...]

  • Page 5

    Table 4C -- Physical Data, 38BK009,012 Outdoor Heat Pump Units* UNIT 38BK NOMINAL CAPACITY (Tons) OPERATING WEIGHT (Ib) REFRIGERANT TYPE Control (Cooling) Control (Heating) Factory Charge (Ib) COMPRESSOR TYPE Model Oil (Recharge) (oz) CRANKCASE HEATER (Watts) OUTDOOR FAN Rpm Diameter (in,),..No. of Blades Motor Wafts Nominal Air Cfm OUTDOOR COIL Fa[...]

  • Page 6

    Table 4D -- Physical Data, 40QNEIH Heat Pump High Wall Units UNIT NOMINAL CAPACITY (Tons) NOMINAL SIZE (Btuh) OPERATING WEIGHT (Ih) MOISTURE REMOVAL RATE (Pints/hr) REFRIGERANT Control (Cooling) Control (Heating) Factory Charge (Ib)t INDOOR FAN RpndCfm High Rpm/Cfm Medium RpndCfm Low Motor Watts Blowers Quantity...Size (in.) INDOOR COIL Face Area N[...]

  • Page 7

    2'_0" [6103 - 19 u 2 O" C6101 , 1 7/8"- [2513 °..5 o._s ciso, l' i I I,,', i-- --* _ ' _ _ "_q _ _ ._ - , TOP VIEW 2"_2 o HIGH VOLTA_I_ TO _1 INDOOR _ECT]ON _! I 1/8" Dik. 'f 0''1 [4215/B" 0"-1 3/1_" [3o] [o'&_]i/e" ? , 0"-3 11/16" [941 1 _&ap[...]

  • Page 8

    MINIMUM CLEARANCE FOR SERVICE I_T A]R ! I I I I I I I_] DU_ (NOTE 3) NOTES: 1, Dimensionsare in inches. Dimensions in [ ] are in millimeters, 2. _ Diroction of airflow. 3. _erant, d_in, Bnd power conneofions ruby be _de rear, left side or right side. 4. Refrigerant is metered by capilla_ tubesinthe outdoorunit. Insulate beth refrigerant lines. 5. C[...]

  • Page 9

    Table 5 -- System Piston Guide and Refrigerant Charges UNIT INDOOR PISTON Indoor Outdoor SIZE 40QNB009 38AN009 Capillary Tube 40QNB012 38AN012 Capillary Tube 40QNEO09 38BK009 321" 40QNH012 38BK012 421" OUTDOOR PISTON SIZE Capillary Tube Capillary Tube 30t 42"_ REQUIRED SYSTEM CHARGE (Ib)* 1.50 180 150 2.00 *Charge is based on 25 f_ o[...]

  • Page 10

    FAN COIL 0 o2-P, UNIT / SCREW NOTE: Use either point "A" or point "B." J _2 W_TYP DIA Fig. 8 -- Wall Hole Location For Fan Coil Unit Rear Piping (Size 009 Shown) -." i ": (INDOORSIDE) I " WALL . I (OUTDOOR SIDE) NOTE:Slope condensate lineat a minimum pitchof % in. per foot. Fig. 9 -- Piping Hole Step 5 -- Connect [...]

  • Page 11

    2. Connect piping to the indoor section: a. Shape tube with a tube bender so that the tube ends coincide with flare connections. b. Carefully remove the flare nut fitting from the indoor seetinn tubing. c. Thoroughly clean all tubing connection points to pre- vent foreign matter from entering the refrigerant circuit. d. Thread the 2 fittings by han[...]

  • Page 12

    INCORRECT 6 6 b INCORRECT INCORRECT CORRECT P, 6 6 _WALL UNIT DRAIN "_-_'-" PIPING Fig. 10 -- Fan Coil Unit Drainage System (Rear Piping Shown) Table 7 -- Electrical Data UNiT Outdoor Section 38AN009 38AN012 38BK009 38BK012 Indoor Section 40QNB009 40QNB012 40QNE009 40QNH012 I V-PH [ VOLTAGE RANGE [ (60 Hz) Min I Max 11_1 t 104 127 t [...]

  • Page 13

    outdoor unit. For installation simplicity, the field- supplied conductor should be black, white, and bare cop- per for009 applications and black, red, and bare copper for012 applications. 6. Wire the outdoor units as follows: • Cooling-Only, Size 009 Systems: Connect the 2 black leads to terminal block location L. Connect the 2 white leads to ter[...]

  • Page 14

    START-UP Complete the following checks and the Start-Up Check- list on pages CL-1 and CL-2 before system start-up. 1. Check condensate drainage system. Refer to Fig. 4 and 10. Add water to check the drainage flow. If water does not flow steadily, check the pipe slope or see if there are any restrictions. 2. Make sure all wiring connections are corr[...]

  • Page 15

    o_ o 2S _ -,_ III m ON/OFF'"---" BUTTON Fig. 14 -- Remote Controller START COOL* START COC_.ING. DIRECT LOUVI_RS SO AIR BLOWSSTRAIGHT _ _ OU'T HORIZONTAL DISCHARGE) SWIN G Pd_IGE_'_ is" SWING RANGE HEA'i3 NG - DIRECT LOIJVERS $O AIR BLOWS DOWN VERTICAL _ISCHARGE) HEAT *Potential range. tDesirable range. NOTE: Unit[...]

  • Page 16

    will stop 30 seconds after the compressor stops. After 3 minutes, the indoor fan runs at ultra-low speed for 30 seconds. The normal dehumidification operation is re- peated forthe newly sensed room temperature. 3. When the room temperature is equal to or greater than 4 ° F below the selected temperature, the system operates as follows: The compres[...]

  • Page 17

    4O DEFROST REGION THREE (NO DEFROST OPERATION) 3O LU LU Q. LU I-- O o o Q F- 0 2O 10 0 DEFROST REGION TWO (MINIMUM UNIT RUNTIME = 6 HOURS*) -10 -10 0 10 20 ADJUSTS IF LONG DEFROST I (MORE THAN 6 MINUTES) ADJUSTS IF SHORT LESS THAN _ MINUTES) DEFROST REGION ORE (MINIMUM UNIT RUN TIME = 50 MIN.*) 2O 4O OUTDOORAIR TEMPERATURE (F) *A defrost will be in[...]

  • Page 18

    CLEANING AND MAINTENANCE To avoid the possibility of electric shock, before per- forming any cleaning and maintenance operations al- ways turn off power to the system by pressing the orange ON/OFF button on the remote controller. Turn off the outdoor disconnect switch located near the out- door unit. If the indoor unit is on a separate switch, be s[...]

  • Page 19

    To Clean Indoor Unit Front Panel -- If the front panel of the unit becomes dirty or smudged, wipe the out- side of the front panel with a soi_ dry cloth. If necessary, use a mild liquid detergent and wipe offcarefully with a dry cloth. Ffl g;L_TI1T[_ When cleaning the front panel, NEVER use water hot- ter than 105 F, and DO NOT pour water into the [...]

  • Page 20

    SERVICE ry_l 'k'k'k'k'k'k'k'k'kS_.d ;] H ff [_ When servicing unit, turn off all electric power to unit to avoid shock hazard or injury from rotating parts. Do not vent refrigerant to atmosphere when servicing unit. Recover refrigerant during system repair or unit removal. Diagnostic Codes -- This unit i[...]

  • Page 21

    Table 11 -- 40QN Thermistor Properties* MINIMUM NOMINAL MAXIMUM TEMP MINIMUM NOMINAL MAXIMUM THERMISTOR THERMISTOR THERMISTOR (F) OHMS OHMS OHMS VOLTS -- DC VOLTS -- DC VOLTS -- DC -40 303,300 342,700 356,200 4.80 4.82 4.84 -30 211,500 237,276 265,444 4.72 4.75 4.77 -20 149,721 166,689 185,146 4.61 4.65 4.68 -10 107,379 118,776 130,973 4.48 4.52 4.[...]

  • Page 22

    WALL CAP" AIRFLOW WIRELESS CONTROLLER* AIRFLOW WEATHERPROOF FUSED DISCONNECT PER NEC t 2 WIRES (+)GROUND CONNECTION AIRFLOW LEGEND NED -- National Electrical Code "Standard. t Field supplied. NOTES: 1. All piping must follow standard refrigerant techniques. Refer to Carder System Design Manual for details. 2. Do not install a filter drier[...]

  • Page 23

    AGING -- AS C CAP -- CH COMP -- CN EMI FMC FU GND -- HA HS IDC Th -- IFM JEM-A -- K ODA Th -- ODC Th -- OFM -- OL PCB PTC LEGEND AND NOTES FOR FIG. 22-25 For Bum-In Test (short these terminals) RA Th -- Retum Air Temperature Thermistor Assembly RC -- Resistor Capacitor Contactor RCV -- Receiver Capacitor RVS -- Reversing Valve Solenoid Crankcase He[...]

  • Page 24

    38AN009 OUTDOOR SECTION AA Th IDC Th rr_ ( T_N ILU 40QNB009 FAN COIL DISPLAy pCB AS ] 1_ CNIO CNI1 JEH-A rTT'JTT_ CNI0 CNI i CN12 Ct_18 TI_-e AGING _-iO_t T P1 P2 CONTROL PCB A55"Y 'rl_ D $CO_q_C T $ .s-,-_o : : . _J i -..--7.. - ...-_ -- -- - ]""-"_ u Lmff " . II fl I] rl II HIGH VOLT_ W]RIN6 OUTOOOR UNIT TO ]hlD[...]

  • Page 25

    38AN012 OUTDOOR SECTION RA Th 40QN B012 FAN COIL CONTROL FI'_ IFII TB Fig. 23 -- 38AN012 with 40QNB012 Cooling Only System Wiring Diagram 25[...]

  • Page 26

    38BK009 OUTDOOR SECTION 40QNE009 FAN COIL ODC Th OOATh T1Q iii ii I i II i II i II I i II i I i J i I i I i I I I i I i I i I i I TB2 Fig. 24 -- 38BK009 with 40QNE009 Heat Pump System Wiring Diagram 26[...]

  • Page 27

    38BK012 OUTDOOR SECTION _ - - - -- _'_ r_Th 11_ I _ RA Th ,o° T. CONTROL PCB A55" Y I I I T31 M _-__ -__ _E_ E i I ii i I i I iI ii i I i I i I i I i I i I i I i ] i I i I i I Fig. 25 -- 38BK012 with 40QNH012 Heat Pump System with Electric Heat Wiring Diagram 27[...]

  • Page 28

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  • Page 30

    Copyright 1999 Carrier Corporation Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 PC 111 Catalog No. 533-848 Printed in U.S.A. Form 38A, B/40Q-1SI Pg 30 5-99 Replaces: 53AN,BK-1Sl[...]