24abb3 Installation Manual

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Installation of this product should follow all manufacturing refrigerant www.ahridirectory.org. Charging and airflow instructions. Failure to confirm proper charge and air flow may reduce energy efficiency and shorten equipment life. Feature 18 24 3O 36 42 48 60. Puron Refrigerant X X X X X X X. Maximum SEER 14.5O 14.25. Matched with appropriate coil components. However, proper refrigerant charge and proper air flow are critical to achieve rated capacity and efficiency. Installation of this product should follow all manufacturing refrigerant charging and air flow instructions. Failure to confirm proper charge and air flow may reduce energy.

Manuals and User Guides for Carrier 24APA. We have 2 Carrier 24APA manuals available for free PDF download: Installation Instructions Manual, Owner's Information Manual

Carrier 24APA Installation Instructions Manual (18 pages)

Performance Series Air Conditioner with Puronr Refrigerant 1-1/2 to 5 Nominal Tons (Size 18 To 60)
Brand: Carrier Category: Air Conditioner Size: 0.73 MB
Table of contents
SAFETY CONSIDERATIONS2
INSTALLATION3
STEP 3 -Clearance Requirements3
STEP 6 -Make Piping Connections5
STEP 8 -Compressor Crankcase Heater8
STEP 11 -Start- -Up8
GENERAL SEQUENCE OF OPERATION9
TROUBLESHOOTING11
CARE AND MAINTENANCE13

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Carrier 24APA Owner's Information Manual (2 pages)

Brand: Carrier Category: Air Conditioner Size: 0.3 MB
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Comfort series air conditioners with puron refrigerant 1-1/2 to 5 nominal tons.
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1---1/2 To 5 Nominal Tons

SAFETY CONSIDERATIONS

Improper installation, adjustment, alteration, service, maintenance,
or use can cause explosion, fire, electrical shock, or other
conditions which may cause death, personal injury, or property
damage. Consult a qualified installer, service agency, or your
distributor or branch for information or assistance. The qualified
installer or agency must use factory- -authorized kits or accessories
when modifying this product. Refer to the individual instructions
packaged with the kits or accessories when installing.
Follow all safety codes. Wear safety glasses, protective clothing,
and work gloves. Use quenching cloth for brazing operations.
Have fire extinguisher available. Read these instructions
thoroughly and follow all warnings or cautions included in
literature and attached to the unit. Consult local building codes and
current editions of the National Electrical Code ( NEC ) NFPA 70.
In Canada, refer to current editions of the Canadian electrical code

Carrier 24abb3 Installation Manual

Recognize safety information. This is the safety- -alert symbol
When you see this symbol on the unit and in instructions or
manuals, be alert to the potential for personal injury. Understand
these signal words; DANGER, WARNING, and CAUTION. These
24abb3 Installation Manual
words are used with the safety- -alert symbol. DANGER identifies
the most serious hazards which will result in severe personal injury
or death. WARNING signifies hazards which could result in
personal injury or death. CAUTION is used to identify unsafe
practices which would result in minor personal injury or product
and property damage. NOTE is used to highlight suggestions
which will result in enhanced installation, reliability, or operation.

Installation

!
Failure to follow this warning could result in personal
Before installing, modifying, or servicing system, main
electrical disconnect switch must be in the OFF position.
There may be more than 1 disconnect switch. Lock out and
CAUTION
CUT HAZARD
Failure to follow this caution may result in personal injury.
Sheet metal parts may have sharp edges or burrs. Use care and
wear appropriate protective clothing and gloves when

Installation Instructions

NOTE: In some cases noise in the living area has been traced to

24abb3 Installation Manual

gas pulsations from improper installation of equipment.
1. Locate unit away from windows, patios, decks, etc. where
2. Ensure that vapor and liquid tube diameters are appropriate
3. Run refrigerant tubes as directly as possible by avoiding un-
4. Leave some slack between structure and unit to absorb vi-
5. When passing refrigerant tubes through the wall, seal open-
ing with RTV or other pliable silicon- -based caulk. (See Fig.
6. Avoid direct tubing contact with water pipes, duct work,
7. Do not suspend refrigerant tubing from joists and studs with
a rigid wire or strap which comes in direct contact with
8. Ensure that tubing insulation is pliable and completely sur-
9. When necessary, use hanger straps which are 1 in. (25.4
mm) wide and conform to shape of tubing insulation. (See
10. Isolate hanger straps from insulation by using metal sleeves
NOTE:
OUTDOOR WALL
HANGER STRAP
TUBE ONLY)
Fig. 1 - - Piping Installation
INDOOR WALL
LIQUID TUBE
THROUGH THE WALL
INSULATION
LIQUID TUBE
A94026

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Summary of Contents for Carrier 24ABB Comfort, 24ABC Comfort

  • Page 1: Installation Instructions

    24ABB, 24ABC Comfortt Series Air Conditioners with Puronr Refrigerant 1---1/2 To 5 Nominal Tons Installation Instructions SAFETY CONSIDERATIONS GENERAL NOTE: In some cases noise in the living area has been traced to Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock, or other gas pulsations from improper installation of equipment.

  • Page 2: Operating Ambient

    Make Piping Connections The outdoor unit contains system refrigerant charge for operation with AHRI rated indoor unit when connected by 15 ft. (4.57 m) of WARNING field- -supplied or factory accessory tubing. For proper unit operation, check refrigerant charge using charging information located on control box cover and/or in the Check Charge section of PERSONAL INJURY AND ENVIRONMENTAL this instruction.
  • Page 3 Outdoor Unit Connected to Factory Approved Indoor Refer to Fig. 3 and install filter drier as follows: Unit 1. Braze 5- -in. liquid tube to the indoor coil. 2. Wrap filter drier with damp cloth. Outdoor unit contains correct system refrigerant charge for operation with factory approved AHRI rated indoor unit when 3.
  • Page 4 Installing with Indoor Piston Outdoor Unit Connected to Factory Approved Indoor Unit Units with Indoor Piston Check piston size shipped with indoor unit to see if it matches Units installed with indoor pistons require charging by the required indoor piston size. If it does not match, replace indoor superheat method.
  • Page 5 Table 2 – Rating Plate (required) Subcooling Temperatures R --- 410A Required Liquid Line Temperature _F (_C) Measure Liquid Pressure (_C) (_C) (_C) (_C) (_C) (_C) (psig) Table 3 – Superheat Charging - - AC Only EVAPORATOR ENTERING AIR TEMPERATURE (_F WB) OUTDOOR TEMP (_F) —..
  • Page 6 Table 4 – Required Suction- -Line Temperature SUCTION PRESSURE AT SERVICE PORT (PSIG) SUPERHEAT TEMP (_F) 107.8 112.2 116.8 121.2 130.8 138.8 140.8 145.8..
  • Page 7 Make Electrical Connections Final Wiring Check IMPORTANT: Check factory wiring and field wire connections Be sure field wiring complies with local and national fire, safety, and electrical codes, and voltage to system is within limits shown to ensure terminations are secured properly. Check wire routing to on unit rating plate.

  • Page 8: Care And Maintenance

    3- - Phase Monitor Check Charge In 3- -phase units a small circuit board is factory installed to monitor Factory charge amount and desired subcooling are shown on unit line voltage. A small led will flash if a phase problem exists. See rating plate.
  • Page 9 Table 6 – Accessory Usage REQUIRED FOR REQUIRED FOR LOW --- AMBIENT REQUIRED FOR LONG LINE SEA COAST ACCESSORY COOLING APPLICATIONS APPLICATIONS* APPLICATIONS (Below 55°F/12.8_C) (Within 2 miles/3.22 km) Ball Bearing Fan Motor Yes{ Compressor Start Assist Capacitor and Relay Crankcase Heater Evaporator Freeze Thermostat Hard Shut--- Off TXV..
  • Page 10 S All indoor coils must be installed with a hard shutoff Puron TXV metering device. Catalog No: 24ABB---C ---7SI Copyright 2012 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231 Edition Date: 09/12 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.