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Manual de instrucciones Carrier 50JZ 024-060

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Summary
  • Carrier 50JZ 024-060 - page 1

    48GP (N) 024-060, 48JZ (N) 024-060 50GL 024-060, 50JZ 024-060 ICM FIOP Installation Instructions Installation, Start-Up, and Operating Instructions NOTE: Read the entire instruction manual before starting the installation. TABLE OF CONTENTS SAFETY CONSIDERATIONS .....................................................1 INTRODUCTION ................... ...

  • Carrier 50JZ 024-060 - page 2

    Approved for outdoor installation on wood flooring or on class A, B or C roof covering materials. Before performing service or maintenance operations on system, turn off main power to unit and install lock-out tag. Turn off accessory heater power switch if applicable. Elec- trical shock could cause severe injury or death. Puron® (R-410A) systems o ...

  • Carrier 50JZ 024-060 - page 3

    The ICM motor uses the selected taps to modify its operation to a pre-programmed table of airflows. The unit must be configured to operate properly with system components with which it is installed. To successfully configure a basic system (see information printed on circuit board label located next to select pins), move the 6 select wires to the p ...

  • Carrier 50JZ 024-060 - page 4

    (2.) AC/HP Size-Factory selected to match system size, please verify. (3.) SYSTEM TYPE-Factory selected on 48GP system AC- AIR CONDITIONER. (4.) AC/HP CFM ADJUST-Select HIGH for 042 & 048, NOM for 036 & 060, and LO for 024 & 030.. (5.) ON/OFF DELAY-Factory selected 0/90 profile. (6.) CONTINUOUS FAN-Select desired fan speed when ther- mo ...

  • Carrier 50JZ 024-060 - page 5

    b. COOLING MODE (1.) If indoor temperature is above temperature set point and humidity is below humidity set point, thermostat closes circuits R to G, R to Y/Y2 and R to O—The unit delivers single speed cooling airflow. c. COOLING MODE-DEHUMIDIFICATION (1.) If indoor temperature is above temperature set point and humidity is above humidity set po ...

  • Carrier 50JZ 024-060 - page 6

    (4.) ENH (enhanced) selection provides a 30 sec. cooling & heat pump on delay with no airflow, plus 150 seconds at 70 percent airflow and no off delay for added comfort. This will minimize cold blow in heat pump operation and could enhance system efficiency. f. CONTINUOUS FAN—SELECT DESIRED FAN SPEED WHEN THERMOSTAT IS SET ON CONTINUOUS FAN ( ...

  • Carrier 50JZ 024-060 - page 7

    to a level which causes the Thermidistat™ to close its contacts. When the contacts close, the airflow will return to 100 percent of selected cooling airflow. To activate this mode wire in Thermidistat™ see jumper in Fig. 10. e. DEHUMIDIFY AND SUPER DEHUMIDIFY CAPABILITIES This model unit is capable of responding to a signal from Thermidistat™ ...

  • Carrier 50JZ 024-060 - page 8

    and continuous operation. (See Tables 16, 17 & 18 for airflow delivery and minimum CFM.) Note that airflow marked is the airflow which will be supplied in emergency heat mode and heating mode on air conditioners when electric heat is the primary heating source. In heat pump heating mode when electric heaters are energized, the ICM will run the ...

  • Carrier 50JZ 024-060 - page 9

    This configuration provides the following comfort enhance- ments: (a.) A 30 sec blower on delay with 150 sec at 70 percent airflow to allow the indoor coil to warm up or cool down before the blower is asked to deliver 100 percent airflow reducing the cold blow sensation at start up in heating and allowing the indoor coil to more quickly reach wet c ...

  • Carrier 50JZ 024-060 - page 10

    value. If circuit R to G is open (0–v.) for super dehumidify mode, the motor delivers reduced airflow to maximize the humidity removal of the system while minimizing over cooling. e. ELECTRIC HEATING MODE (1.) Thermostat closes circuit R to W/W1, or W2—The unit delivers the selected electric heat airflow. There are no on or off delays. f. HEAT ...

  • Carrier 50JZ 024-060 - page 11

    (2.) COOLING MODE— Press MODE button on the Thermidistat™ until COOL icon is displayed. Cooling begins within 10 sec. and remains on for 4 minutes. Observe that compressor, outdoor fan and indoor blower motors start after the call for Cooling. At the end of 4 minutes, the cooling cycle stops and the MODE reverts back to OFF . The Indoor Blower ...

  • Carrier 50JZ 024-060 - page 12

    cooling cycle remains ‘‘on’’ until the room temperature drops to point that is slightly below the cooling control setting of the room thermostat. At this point, the thermostat ‘‘breaks’’ the circuit between thermostat terminal R to terminals Y and G. These open circuits de-energize contactor coil C and ICM board. The con- denser and ...

  • Carrier 50JZ 024-060 - page 13

    f. Loosen set-screw that secures wheel to motor shaft, remove screws that secure motor mount brackets to blower housing, and slide motor and motor mount out of blower housing. 2. Remove and clean blower wheel as follows: a. Ensure proper reassembly by marking wheel orientation. b. Lift wheel from housing. When handling and/or cleaning blower wheel, ...

  • Carrier 50JZ 024-060 - page 14

    Fig. 14—ICM FIOP Electric Schematic—Unit 48GP C01035 14 ...

  • Carrier 50JZ 024-060 - page 15

    Table 4—ICM FIOP Physical Data—Unit 48JZ THIS DATA APPLIES TO 48JZ UNITS WITH THE ICM INDOOR MOTOR FIOP UNIT SIZE 48JZ 024040 030040 030060 036060 036090 042060 042090 NOMINAL CAPACITY (ton) 2 2-1/2 2-1/2 3 3 3-1/2 3-1/2 OPERATING WEIGHT (lb.) 310 324 324 321 321 380 380 COMPRESSORS Quantity Scroll 1 REFRIGERANT (R-410A) Quantity (lb.) 7.0 8.9 ...

  • Carrier 50JZ 024-060 - page 16

    Table 5—ICM FIOP Physical Data—Unit 48JZ (Continued) THIS DATA APPLIES TO 48JZ UNITS WITH THE ICM INDOOR MOTOR FIOP UNIT SIZE 48JZ 048090 048115 048130 060090 060115 060130 NOMINAL CAPACITY (ton) 444555 OPERATING WEIGHT (lb.) 409 409 409 504 504 504 COMPRESSORS Quantity Scroll 1 REFRIGERANT (R-410A) Quantity (lb.) 10.6 10.6 10.6 12.4 12.4 12.4 ...

  • Carrier 50JZ 024-060 - page 17

    Fig. 15—ICM FIOP Electric Schematic—Unit 48JZ C01101 17 ...

  • Carrier 50JZ 024-060 - page 18

    Table 7—ICM FIOP Physical Data—Unit 50GL THIS DATA APPLIES TO 50GL UNITS WITH THE ICM INDOOR MOTOR FIOP UNIT SIZE 024 030 036 042 048 060 NOMINAL CAPACITY (ton) 2 2-1/2 3 3-1/2 4 5 OPERATING WEIGHT (lb) 270 291 299 321 326 399 COMPRESSOR Scroll REFRIGERANT (R-410A) Quantity (lb) 5.0 5.5 6.9 9.0 9.5 10.0 REFRIGERANT METERING DEVICE Orifice ID (i ...

  • Carrier 50JZ 024-060 - page 19

    Table 8—50GL with ICM FIOP Electrical Data UNIT SIZE 50GL V-PH-HZ VOLTAGE RANGE COMPRESSOR OUTDOOR FAN MOTOR INDOOR FAN MOTOR ELECTRIC HEAT SINGLE POINT POWER SUPPLY MIN MAX RLA LRA FLA FLA Nominal kW* FLA MCA MAX FUSE OR CKT. BKR. MOCP 024 208/230–1–60 187 253 13.5 61.0 0.9 4.3 -/- 3.8/5.0 5.4/7.2 7.5/10.0 -/- 18.1/20.8 25.9/30.0 36.1/41.7 2 ...

  • Carrier 50JZ 024-060 - page 20

    Fig. 16—ICM FIOP Electrical Schematic—50GL C01037 20 ...

  • Carrier 50JZ 024-060 - page 21

    Table 9—ICM FIOP Physical Data—Unit 50JZ THIS DATA APPLIES TO 50JZ UNITS WITH THE ICM INDOOR MOTOR FIOP UNIT SIZE 50JZ024 50JZ030 50JZ036 50JZ042 50JZ048 50JZ060 NOMINAL CAPACITY (ton) 2 2-1/2 3 3-1/2 4 5 OPERATING WEIGHT (lb.) 299 320 328 350 355 428 COMPRESSOR QUANTITY 1 TYPE SCROLL COMPRESSOR REFRIGERANT R-410A REFRIGERANT METERING DEVICE Ac ...

  • Carrier 50JZ 024-060 - page 22

    Table 10—50JZ with ICM FIOP Electrical Data UNIT SIZE 50JZ V-PH-HZ VOLTAGE RANGE COMPRESSOR OUTDOOR FAN MOTOR INDOOR FAN MOTOR ELECTRIC HEAT SINGLE POINT POWER SUPPLY MIN MAX RLA LRA FLA FLA Nominal kW* FLA MCA MAX FUSE OR CKT. BKR. MOCP 024 208/230–1–60 187 253 13.5 61.0 0.9 4.3 -/- 3.8/5.0 5.4/7.2 7.5/10.0 -/- 18.1/20.8 25.9/30.0 36.1/41.7 ...

  • Carrier 50JZ 024-060 - page 23

    Fig. 17—ICM FIOP Electrical Schematic—50JZ c01036 23 ...

  • Carrier 50JZ 024-060 - page 24

    Table 11–48GP & 48JZ Cooling (and Heat Pump Heating-48JZ only) Dry Coil ICM Airflow Small Cabinet UNIT SIZE CFM ADJUST PIN SELECT LO PIN NOM PIN HI PIN EXTERNAL STATIC PRESSURE RANGE 0.0–0.4 0.4–0.7 0.7–1.0 0.0–0.4 0.4–0.7 0.7–1.0 0.0–0.4 0.4–0.7 0.7–1.0 024 COOLING † 745 675 – 835 750 690 940 880 815 COOLING DEHUMIDIFY ...

  • Carrier 50JZ 024-060 - page 25

    Table 13—48GP & 48JZ Gas Heating ICM Airflow Small Cabinet EASY SELECT™ BOARD SETTING (CFM) 700 800 1100 1250 Unit Size External Static Pressure 0.0–0.4 0.4–0.7 0.7–1.0 0.0–0.4 0.4–0.7 0.7–1.0 0.0–0.4 0.4–0.7 0.7–1.0 0.0–0.4 0.4–0.7 0.7–1.0 Gas Heat Size 024 0 4 0 ––– 8 5 5 7 7 0 7 1 0 –––––– 0 6 0 ...

  • Carrier 50JZ 024-060 - page 26

    Table 16—50GL/50JZ Cooling & Heating Dry Coil ICM Airflow Small Cabinet UNIT SIZE CFM ADJUST PIN SELECT LO PIN NOM PIN HI PIN EXTERNAL STATIC PRESSURE RANGE 0.0–0.4 0.4–0.7 0.7–1.0 0.0–0.4 0.4–0.7 0.7–1.0 0.0–0.4 0.4–0.7 0.7–1.0 024 COOLING † 800 725 – 885 805 730 990 930 855 COOLING DEHUMIDIFY 715 670 – 715 695 645 79 ...

  • Carrier 50JZ 024-060 - page 27

    Table 19—ELECTRIC HEAT PRESSURE DROP TABLE (in. wg) Small Cabinet STATIC CFM 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 5k W 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.04 0.06 0.07 7.5 kW 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.03 0.05 0.07 0.08 0.09 10 kW 0.00 0.00 0.00 0.00 0.00 0.02 0.04 0.06 0.07 0.09 0.10 0.11 15 kW 0.00 0.00 0. ...

  • Carrier 50JZ 024-060 - page 28

    ICM QUICK REFERENCE GUIDE c01034 EASY SELECT HEA TER/MOTOR AUX HEA T KW/CFM 0-30 1075 SEC1 SEC2 J1 AC/HP SIZE 036 030 024 018 AC HP-COMFORT HP-EFF NOM HI ENH LO SYSTEM TYPE AC/HP CFM ADJUST ON/OFF DELA Y CONTINUOUS F AN MED HI YEL LO AUX1 HUM1 AUX2 24V AC GRY HUM2 YEL WHT BLK ORN BLU VIO 0-20 875 0-10 725 0 90 30 90 0 0 0-5 625 TM J2 D H R W 1 W 2 ...

  • Carrier 50JZ 024-060 - page 29

    c01999 ST ART -UP CHECKLIST (Remove and Store in Job File) I. Preliminary Information MODEL NO .:_________________________________ SERIAL NO .:__________________________________ D A TE:_______________________________________ TECHNICIAN:_________________________________ II. PRE-ST ART -UP (Insert checkmark in bo x as each item is completed) ( ) VERI ...

  • Carrier 50JZ 024-060 - page 30

    Copyright 2001 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231 4821si Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 Tab 1a 1a PC 101 Catalog No. 534-80085 Printed in U.S.A. Form 48–21SI Pg 30 10-01 Replaces: 48–20SI ...

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