Carrier 50JZ 024-060 user manual

User manual for the device Carrier 50JZ 024-060

Device: Carrier 50JZ 024-060
Category: Air Conditioner
Manufacturer: Carrier
Size: 0.85 MB
Added : 8/28/2013
Number of pages: 30
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Abstracts of contents
Summary of the content on the page No. 1

48GP (N) 024-060, 48JZ (N) 024-060
50GL 024-060, 50JZ 024-060
ICM FIOP Installation Instructions
Visit www.carrier.com
Installation, Start-Up, and Operating Instructions
NOTE: Read the entire instruction manual before starting the
installation.
TABLE OF CONTENTS
SAFETY CONSIDERATIONS .....................................................1
INTRODUCTION..........................................................................2
RECEIVING AND INSTALLATION ..........................................2
I

Summary of the content on the page No. 2

Approved for outdoor installation on wood flooring or on class A, B or C roof covering materials. Make sure that the power supply to the unit is switched OFF before making any wiring changes. With disconnect switch open, move yellow wire from transformer (3/16 in.) terminal Before performing service or maintenance operations on marked 230 to terminal marked 200. This retaps transformer system, turn off main power to unit and install lock-out tag. to primary voltage of 208-v. Electrical shock cou

Summary of the content on the page No. 3

a. GAS HEAT/CFM—SELECT GAS HEAT INPUT SIZE Factory selected gas heat size should correspond to unit label. HIGH VOLTAGE POWER LEADS b. AC/HP SIZE—SELECT SYSTEM SIZE INSTALLED POWER (SEE UNIT WIRING SUPPLY LABEL) Factory selected air conditioner size should correspond to capacity of unit installed. Installer should verify air conditioner size to ensure that airflow delivered falls within proper range for the size unit installed. This applies to all operational modes. FIELD-SUPPLIED c. SYSTEM TYPE

Summary of the content on the page No. 4

(2.) AC/HP Size-Factory selected to match system size, please electronic air cleaner with the unit, use Airflow Sensor P/N. verify. KEAAC0101AAA. The airflow sensor turns on electronic air cleaner when the blower is operating. (3.) SYSTEM TYPE-Factory selected on 48GP system AC- c. HUMIDIFIER/HUMIDISTAT CONNECTIONS AIR CONDITIONER. Easy Select™ Board terminals HUM1 and HUM2 are provided (4.) AC/HP CFM ADJUST-Select HIGH for 042 & 048, NOM for direct connection to the low-voltage control of a hum

Summary of the content on the page No. 5

b. COOLING MODE 9 PIN CONNECTOR (1.) If indoor temperature is above temperature set point and ICM PRINTED CIRCUIT BOARD humidity is below humidity set point, thermostat closes SEC1 SEC2 circuits R to G, R to Y/Y2 and R to O—The unit delivers J1 single speed cooling airflow. TM EASY SELECT c. COOLING MODE-DEHUMIDIFICATION GAS HEAT/CFM 090 060 040 N/A 1250 1100 800 (1.) If indoor temperature is above temperature set point and A VIO humidity is above humidity set point, thermostat or Ther- AC/HP SI

Summary of the content on the page No. 6

(4.) ENH (enhanced) selection provides a 30 sec. cooling & (8.) CONFIGURE THERMIDISTAT™-Follow Thermidis- heat pump on delay with no airflow, plus 150 seconds at 70 tat™ installation instructions for Super Dehumidify opera- percent airflow and no off delay for added comfort. This tion. will minimize cold blow in heat pump operation and could ACCESSORY INSTALLATION enhance system efficiency. a. AUXILIARY TERMINALS f. CONTINUOUS FAN—SELECT DESIRED FAN SPEED The AUX and HUM terminals on the Easy Se

Summary of the content on the page No. 7

to a level which causes the Thermidistat™ to close its contacts. NOTE: The Thermidistat™ is capable of providing Super Com- When the contacts close, the airflow will return to 100 percent fort Heat operation mode and must be configured as outlined in its of selected cooling airflow. To activate this mode wire in installation instructions. The system must be installed with appro- Thermidistat™ see jumper in Fig. 10. priate outdoor temperature sensor. Consult Thermidistat™ litera- ture for configu

Summary of the content on the page No. 8

and continuous operation. (See Tables 16, 17 & 18 for airflow (1.) LO speed—Factory setting, 50 percent cooling mode delivery and minimum CFM.) Note that airflow marked is the airflow. airflow which will be supplied in emergency heat mode and (2.) MED speed—Move connector to MED, 65 percent cooling heating mode on air conditioners when electric heat is the mode airflow. primary heating source. In heat pump heating mode when (3.) HI speed—Move connector to HI, 100 percent cooling electric heaters

Summary of the content on the page No. 9

This configuration provides the following comfort enhance- EASY SELECT ments: BOARD TERMINAL BLOCK (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 D H J1 heating and allowing the indoor coil to more quickly HUMIDISTAT reach wet coil operating conditions in cooling. R REMOVE (b.) A no blower off delay eliminates cold blow which

Summary of the content on the page No. 10

value. If circuit R to G is open (0–v.) for super dehumidify ficient airflow across either one or both coils. mode, the motor delivers reduced airflow to maximize the Step 1—48GP Start-Up (ICM FIOP) humidity removal of the system while minimizing over cooling. CHECKING COOLING CONTROL OPERATION-Start and check the unit for proper cooling control operation as follows: e. ELECTRIC HEATING MODE (1.) Place room thermostat SYSTEM switch in OFF position. (1.) Thermostat closes circuit R to W/W1, or W2

Summary of the content on the page No. 11

(2.) COOLING MODE— perature. Observe that compressor, condenser fan, and Press MODE button on the Thermidistat™ until COOL evaporator blower motors start. Observe that cooling cycle icon is displayed. Cooling begins within 10 sec. and shuts down when control setting is satisfied. The evapo- remains on for 4 minutes. Observe that compressor, rator fan will continue to run for the selected off delay. outdoor fan and indoor blower motors start after the call (3.) When using an auto-changeover room

Summary of the content on the page No. 12

Table 1—ICM FIOP Physical Data—Unit 48GP THIS DATA APPLIES TO 48GP UNITS WITH THE ICM INDOOR MOTOR FIOP UNIT SIZE 48GP 024040 024060 030040 030060 036060 036090 042060 042090 NOMINAL CAPACITY (ton) 2 2 2-1/2 2-1/2 3 3 3-1/2 3-1/2 OPERATING WEIGHT (lb.) 290 290 313 313 321 321 382 382 COMPRESSORS Scroll Quantity 1 REFRIGERANT (R-410A) 5.0 5.0 5.5 5.5 6.9 6.9 9.0 9.0 Quantity (lb.) REFRIGERANT METERING DEVICE Orifice ID (in.) .057 .057 .057 .057 .065 .065 .070 .070 AccuRater™ Piston CONDENSER COIL

Summary of the content on the page No. 13

Table 2—ICM FIOP Physical Data—Unit 48GP (Continued) THIS DATA APPLIES TO 48GP UNITS WITH THE ICM INDOOR MOTOR FIOP UNIT SIZE 48GP 048090 048115 048130 060090 060115 060130 NOMINAL CAPACITY (ton) 444555 OPERATING WEIGHT (lb.) 421 421 421 468 468 468 COMPRESSORS Scroll Quantity 1 REFRIGERANT (R-410A) 9.5 9.5 9.5 10.0 10.0 10.0 Quantity (lb.) REFRIGERANT METERING DEVICE Orifice ID (in.) .073 .073 .073 .086 .086 .086 AccuRater™ Piston CONDENSER COIL 2...17 2...17 2...17 2...17 2...17 2...17 Rows...

Summary of the content on the page No. 14

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

Summary of the content on the page No. 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 Scroll Quantity 1 REFRIGERANT (R-410A) 7.0 8.9 8.9 9.3 9.3 9.5 9.5 Quantity (lb.) REFRIGERANT METERING DEVICE Orifice Indoor (in.) 0.061 0.061 0.061 0.067 0.067 0.073 0.073 AccuRater™ Piston REFRIGERANT METERING DEVI

Summary of the content on the page No. 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 Scroll Quantity 1 REFRIGERANT (R-410A) 10.6 10.6 10.6 12.4 12.4 12.4 Quantity (lb.) REFRIGERANT METERING DEVICE Orifice Indoor (in.) .076 .076 .076 .088 .088 .088 AccuRater™ Piston REFRIGERANT METERING DEVICE Orifice Outdoor (in.) 0.046 (

Summary of the content on the page No. 17

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

Summary of the content on the page No. 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) 5.0 5.5 6.9 9.0 9.5 10.0 Quantity (lb) AccuRater™ Piston REFRIGERANT METERING DEVICE Orifice ID (in.) .057 .057 .065 .070 .073 .086 CONDENSER COIL 1...17 1...17 2...17 2...17 2...17 2...17 Rows...Fins/in. 10.9 12.7 9.1 12.3 12.3 16.4

Summary of the content on the page No. 19

Table 8—50GL with ICM FIOP Electrical Data OUTDOOR INDOOR VOLTAGE ELECTRIC SINGLE POINT COMPRESSOR FAN FAN RANGE HEAT POWER SUPPLY UNIT MOTOR MOTOR V-PH-HZ SIZE 50GL MAX FUSE MIN MAX RLA LRA FLA FLA Nominal kW* FLA MCA MOCP OR CKT. BKR. -/- -/- 22.1/22.1 30/30 – 3.8/5.0 18.1/20.8 27.9/31.4 30/35 – 024 208/230–1–60 187 253 13.5 61.0 0.9 4.3 5.4/7.2 25.9/30.0 37.8/42.9 40/50 – 7.5/10.0 36.1/41.7 50.5/57.5 60/60 – -/- -/- 23.5/23.5 30/30 – 3.8/5.0 18.1/20.8 27.9/31.4 30/35 – 030 208/230–1–60 187 25

Summary of the content on the page No. 20

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


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