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Manual Carrier 50ZH024-060

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  • Carrier 50ZH024-060 - page 1

    50ZH024-060 Packaged Heat Pump Units Installation, Start-Up and Service Instructions NOTE: Read the entire instruction manual before starting the installation. TABLE OF CONTENTS SAFETY CONSIDERATIONS .....................................................1 INTRODUCTION ..........................................................................2 RECEIV ...

  • Carrier 50ZH024-060 - page 2

    equipment, pay attention to precautions in the literature, tags, and labels attached to the unit, and other safety precautions that may apply. Follow all safety codes. Wear safety glasses and work gloves. Use quenching cloth for unbrazing operations. Have fire extinguisher available for all brazing operations. Before performing service or maintenan ...

  • Carrier 50ZH024-060 - page 3

    Fig. 2—Unit Base Dimensions, 50ZH024-030 UNIT ELECTRICAL CHARACTERISTICS UNIT WEIGHT CENTER OF GRAVITY IN. (MM) lb kg X Y Z 50ZH024 208/230-1-60 232 106 14.0 (356) 19.0 (483) 12.0 (305) 50ZH030 208/230-1-60, 208/230–3–60 254 116 14.0 (356) 19.0 (483) 12.0 (305) C00156 REQUIRED CLEARANCE FOR OPERA TION AND SERVICING INCHES [mm] CONDENSER . COI ...

  • Carrier 50ZH024-060 - page 4

    Fig. 3—Unit Base Dimensions, 50ZH036–048 UNIT ELECTRICAL CHARACTERISTICS UNIT WEIGHT CENTER OF GRAVITY IN. (MM) lb kg X Y Z 50ZH036 208/230-1-60, 208/230-3-60, 460–3–60 277 126 14.0 (356) 19.0 (483) 15.0 (381) 50ZH042 208/230-1-60, 208/230-3-60, 460–3–60 295 134 14.0 (356) 19.0 (483) 15.0 (381) 50ZH048 208/230-1-60, 208/230-3-60, 460– ...

  • Carrier 50ZH024-060 - page 5

    Fig. 4—Unit Base Dimensions, 50ZH060 UNIT ELECTRICAL CHARACTERISTICS UNIT WEIGHT CENTER OF GRAVITY IN. (MM) lb kg X Y Z 50ZH060 208/230-1-60, 208/230-3-60, 460-3-60 368 167 14.0 (356) 20.0 (508) 16.0 (406) C00158 REQUIRED CLEARANCE FOR OPERA TION AND SERVICING INCHES [mm] CONDENSER . COIL ACCESS SIDE..............................................3 ...

  • Carrier 50ZH024-060 - page 6

    INSTALL FLANGES FOR DUCTWORK CONNECTIONS (50ZH060 ONLY) The 50ZH060 units are shipped with flanges which must be field-installed on the unit. To install unit flanges: 1. Five pieces of flange are shipped on the return-air opening of the unit. Remove the flanges from the shipping position (See Fig. 5). Screws are field-supplied. 2. One piece of flan ...

  • Carrier 50ZH024-060 - page 7

    Unit removes condensate through a 1 3/64-in. ID hole (using 3/4-in. OD piping or tubing) which is located at the end of the unit. See Fig. 2-4 for location of condensate connection. Condensate water can be drained directly onto the roof in rooftop installations (where permitted) or onto a gravel apron in ground- level installations. Install a field ...

  • Carrier 50ZH024-060 - page 8

    The field-supplied disconnect may be mounted on the unit over the high-voltage inlet hole. See Fig. 2-4. Operation of unit on improper line voltage constitutes abuse and may cause unit damage that could affect warranty. ROUTING POWER LEADS INTO UNIT Use only copper wire between disconnect and unit. The high- voltage leads should be in a conduit unt ...

  • Carrier 50ZH024-060 - page 9

    4. Connect the RED lead to the BLK wire from which the ORG lead was disconnected. Insulate with wirenut from Step 1. 5. Using the wirenut removed from the RED lead, insulate the loose terminal on the ORG lead. 6. Wrap the wirenuts with electrical tape so that the metal terminals cannot be seen. Indoor blower-motor speeds may need to be changed for ...

  • Carrier 50ZH024-060 - page 10

    Step 1—Check for Refrigerant Leaks LOCATE AND REPAIR REFRIGERANT LEAKS AND CHARGE THE UNIT AS FOLLOWS: 1. Using both high- and low-pressure ports, locate leaks and reclaim remaining refrigerant to relieve system pressure. 2. Repair leak following accepted practices. NOTE: Install a liquid-line filter drier whenever the system has been opened for ...

  • Carrier 50ZH024-060 - page 11

    charts to determine what the suction temperature should be. If suction temperature is high, add refrigerant. If suction temperature is low, carefully recover some of the charge. Recheck the suction pressure as charge is adjusted. Example: (See Fig. 16) Outdoor Temperature —85°F Suction Pressure—74 psig Suction Temperature should be—60°F Not ...

  • Carrier 50ZH024-060 - page 12

    NOTE: Be sure that all supply- and return-air grilles are open, free from obstructions, and adjusted properly. Disconnect electrical power to the unit and install lockout tag before changing blower speed. Electrical shock can cause serious injury or death. Airflow can be changed by changing the lead connections of the blower motor. Units 50ZH024, 0 ...

  • Carrier 50ZH024-060 - page 13

    Table 3—Electrical Data—50ZH UNIT 50ZH SIZE (–SERIES, IF USED) V-PH-HZ VOLTAGE RANGE COMPRESSOR OFM FLA IFM FLA ELECTRIC HEAT SINGLE POINT POWER SUPPLY MIN MAX RLA LRA Nominal KW* FLA MCA FUSE OR CKT BKR MOCP 024–311 208/230–1–60 187 254 11.4 56.0 0.9 2.4 -/- 3.8/5.0 5.6/7.5 7.5/10.0 -/- 18.3/20.8 26.9/31.3 36.1/41.7 17.6/17.6 40.4/43.6 ...

  • Carrier 50ZH024-060 - page 14

    NOTE: Some units are equipped with a time-delay relay. On these units, the indoor fan remains on for 30 seconds after G or Y is deenergized. COOLING With the thermostat subbase in the cooling position, the thermostat makes circuit R-O. This energizes the reversing valve solenoid (RVS) and places the unit in standby condition for cooling. NOTE: The ...

  • Carrier 50ZH024-060 - page 15

    supplemental electric heat. When thermostat is satisfied, contacts open, deenergizing contactor and relay; motors and heaters deen- ergize. The IFM may be controlled by a time-delay relay that keeps the fan on for 30 seconds. DEFROST Defrost board (DB) is a time and temperature control, which includes a field-selectable time period between checks f ...

  • Carrier 50ZH024-060 - page 16

    NOTE TO EQUIPMENT OWNER: Consult your local dealer about the availability of a maintenance contract. The ability to properly perform maintenance on this equip- ment requires certain expertise, mechanical skills, tools and equipment. If you do not possess these, do not attempt to perform any maintenance on this equipment, other than those procedures ...

  • Carrier 50ZH024-060 - page 17

    mild detergent-and-water-solution. Rinse coils with clear water, using a garden hose. Be careful not to splash water on motors, insulation, wiring or air filter(s). For best results, spray outdoor- coil fins from inside to outside the unit. On units with an outer and inner outdoor coil, be sure to clean between the coils. Be sure to flush all dirt ...

  • Carrier 50ZH024-060 - page 18

    Step 6—Electrical Controls and Wiring Inspect and check the electrical controls and wiring annually. Be sure to turn off the electrical power to the unit and install lockout tag. Remove the top panel to locate all the electrical controls and wiring. Check all electrical connections for tightness. Tighten all screw connections. If any smoky or bur ...

  • Carrier 50ZH024-060 - page 19

    Check valves are also located in the liquid lines near the strainers. The Strainers are the larger of the two components. Step 12—High Flow Valves Located on the compressor hot gas and suction tubes are High Flow Valves. Large black plastic caps distinguish these valves with O-rings located inside the caps. These valves can not be accessed for se ...

  • Carrier 50ZH024-060 - page 20

    Fig. 24–Typical Heat Pump Operation, Cooling Mode C95044 STRAINER ACCUMULA TOR COMPRESSOR STRAINER LCS OUTDOOR COIL INDOOR COIL A B D C Check V alves A Closed B Open C Closed D Open LEGEND LCS Loss of Charge Switch Acutrol Metering Device Check V alve (Arrow indicates direction of flow) COOLING CYCLE 1. Hot gas from compressor flows through the 4 ...

  • Carrier 50ZH024-060 - page 21

    Fig. 25–50ZH Balance Point Chart C01038 Balance Point Worksheet 0 10000 20000 30000 40000 50000 60000 70000 80000 - 1 0 0 1 02 0 3 04 05 0 6 0 Outdoor Air Temp (Deg F) 024 030 036 042 048 060 Building Heat Loss, BTUH Unit Integrated Heating Capacity (BTUH) 21 ...

  • Carrier 50ZH024-060 - page 22

    Table 8—Troubleshooting—Cooling and Heating SYMPTOM CAUSE REMEDY Compressor and outdoor fan will not start. Power Failure Call power company Loss of Charge Switch open Evaluate unit for possible refrigerant leak Fuse blown or circuit breaker tripped Replace fuse or reset circuit breaker Defective thermostat, contractor, transformer, or control ...

  • Carrier 50ZH024-060 - page 23

    START-UP CHECKLIST (REMOVE AND STORE IN JOB FILE) I. PRELIMINARY INFORMATION Model No ............................................................................................................................................................. Serial No ................................................................................................ ...

  • Carrier 50ZH024-060 - page 24

    Copyright 2003 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231 50zh5si Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 Tab 6 8 PC 101 Catalog No. 535-00080 Printed in U.S.A. Form 50ZH-5SI Pg 24 7-03 Replaces: 50ZH-4SI ...

Manufacturer Carrier Category Air Conditioner

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All of them are important, but the most important information from the point of view of use of the device are in the user manual Carrier 50ZH024-060.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Carrier 50ZH024-060, service manual, brief instructions and user manuals Carrier 50ZH024-060. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Carrier 50ZH024-060.

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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Carrier 50ZH024-060 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Carrier 50ZH024-060.

A complete Carrier manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

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2. Contents - index of all tips concerning the Carrier 50ZH024-060, that we can find in the current document
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4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Carrier 50ZH024-060
5. FAQ - Frequently Asked Questions
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