Carrier 260L, 1300L owner manual Refrigeration System Service and Analysis Chart

Page 10

TABLE 3 — REFRIGERATION SYSTEM SERVICE AND ANALYSIS CHART

(Refer to Figures 10-12 for wiring diagrams)

MALFUNCTION

 

POSSIBLE CAUSE

 

SOLUTION

Compressor Will Not Start —

1. Line cord not plugged in.

1.

Plug in the cord.

No Hum.

2. Power disconnect switch in OFF position.

2.

Turn disconnect switch to ON position.

 

 

(Sizes 1100L and 1300L only.)

 

 

 

3.

Fuse removed or blown.

3.

Replace fuse.

 

4.

Overload protector tripped.

4.

Refer to electrical section.

 

5.

Temperature control stuck in open

5.

Repair or replace temperature control.

 

 

position.

 

 

 

6.

Wiring improper or loose.

6.

Check wiring against diagram.

Compressor Will Not Start — Hums

1. Low voltage to unit.

1.

Determine reason and correct.

but Trips on Overload Protector.

2.

Relay failing to close.

2.

Determine reason and correct, replace if

 

 

 

 

necessary.

 

3.

Starting capacitor defective.

3.

Determine reason and replace.

 

4.

Improperly wired.

4.

Check wiring against diagram.

Compressor Starts but Does Not

1. Low voltage to unit.

1.

Determine reason and correct.

Switch Off of Start Winding.

2. Relay failing to open.

2.

Determine reason and correct; replace if

 

 

 

 

necessary.

 

3.

Run capacitor defective.

3.

Determine reason and replace.

 

4.

Compressor motor winding is open or

4.

Determine cause, correct, and replace

 

 

shorted.

 

compressor.

Compressor Starts and Runs, but

1. Additional current passing through over-

1.

Check wiring diagram. Check for added

Short Cycles on Overload

 

load protector.

 

fan motors, pumps, etc. connected to

Protector.

 

 

 

wrong side of protector.

 

2.

Low voltage to unit.

2.

Determine reason and correct.

 

3.

Overload protector defective.

3.

Check current, replace protector.

 

4.

Run capacitor defective.

4.

Determine reason and replace.

 

5.

Excessive discharge pressure.

5.

Check ventilation, restrictions in cooling

 

 

 

 

medium, restrictions in refrigeration

 

 

 

 

system.

 

6.

Compressor too hot — return gas hot.

6.

Check refrigerant charge; fix leak if neces-

 

 

 

 

sary. Check airflow across condenser.

Unit Runs, but Short Cycles.

1.

Overload protector.

1.

Check wiring diagram for correct wiring.

 

2.

Cold control.

2.

Differential set too close.

 

3.

Overcharge.

3.

Reduce refrigerant charge.

 

4.

Air in system.

4.

Recover and recharge.

 

5.

Undercharge.

5.

Fix leak and recharge with refrigerant.

Unit Operates Long or

1. Dirty condenser.

1.

Clean condenser.

Continuously.

2.

Shortage of refrigerant.

2.

Fix leak, add charge, correct charge.

 

3.

Temp control contacts stuck or frozen.

3.

Replace Temp control.

 

4.

Evaporator coil iced.

4.

Defrost.

 

5.

Restriction in refrigeration system.

5.

Determine location and remove.

Start Capacitor Open, Shorted or

1. Relay contacts not opening properly.

1.

Replace relay.

Blown.

2. Low voltage to unit.

2.

Determine reason and correct.

 

3.

Improper relay.

3.

Replace.

Run Capacitor Open, Shorted or

1. Improper capacitor.

1.

Determine correct size and replace.

Blown.

2. Excessively high line voltage (110% of

2.

Determine reason and correct.

 

 

rated max).

 

 

Relay Defective or Burned Out.

1.

Incorrect relay.

1.

Check and replace.

 

2.

Line voltage too high or too low.

2.

Determine reason and replace.

 

3.

Relay being influenced by loose vibrating

3.

Remount rigidly.

 

 

mounting.

 

 

Space Temperature Too High.

1.

Control setting too high.

1.

Reset control.

 

2.

Overcharged with refrigerant.

2.

Recover refrigerant and recharge with

 

 

 

 

proper charge specified on dataplate.

 

3.

Inadequate air circulation.

3.

Improve air movement.

Cooler Freezing Beverage.

1. Temperature control knob set too high.

1.

Reset control.

Unit Noisy.

1. Loose parts or mountings.

1.

Find and tighten.

 

2.

Tubing rattle.

2.

Reform to be free of contact.

 

3.

Bent fan blade causing vibration.

3.

Replace blade.

 

4.

Fan motor bearings worn.

4.

Replace motor.

NOTE: All servicing must comply with state and federal regulations.

10

Page 9 Page 11
Image 10
Page 9 Page 11
Contents Miracool Glass Door Merchandiser Unit Inspection ContentsInstallation GeneralMiracool Bottle Cooler Unit Components Size 750L Shown Level Unit „ to Remove CartridgeInstall Shelves Condensate DisposalSTART-UP Preliminary Checks„ Electrical Supply and Connections Initial START-UPUnit Data Components Refrigeration System ServiceService and Troubleshooting „ Liquid Control and Heat Exchanger„ Evaporator Compartment Interior top area Refrigeration System Service and Analysis Chart Refer to Figures 10-12 for wiring diagramsWiring DIAGRAM, Sizes 260L, 300L Wiring DIAGRAM, Size 750L Wiring DIAGRAM, Sizes 1100L, 1300L Maintenance Methods for Cleaning Stainless Steel Task Cleaning Agent Method Effect on Finish APPLICATION†Copyright 2006 Carrier Corporation

1300L, 260L specifications

The Carrier 260L and 1300L represent notable advancements in the realm of air conditioning systems, particularly designed for both commercial and industrial applications. These models are renowned for their efficiency, robust performance, and the integration of cutting-edge technologies.

The Carrier 260L is characterized by its remarkable energy efficiency, with a focus on reducing operational costs while maintaining optimal cooling performance. It is available in various capacities, making it suitable for a wide range of spaces, from medium-sized commercial installations to large-scale industrial facilities. The model incorporates advanced inverter technology, enabling it to adjust the compressor speed according to the cooling demand. This results in both energy savings and enhanced comfort, as the system can maintain a stable temperature with minimal fluctuations.

In contrast, the Carrier 1300L is tailored for larger industrial applications, offering even greater cooling capacities. This model is designed to tackle high thermal loads, making it ideal for factories, warehouses, and other large spaces where cooling requirements can fluctuate significantly. The 1300L also features robust construction principles, ensuring reliability and longevity even in demanding environments.

Both models share several key features that elevate their performance. They are equipped with eco-friendly refrigerants, aligning with global sustainability efforts. The units boast sophisticated control systems that allow for precise temperature management, remote monitoring, and integration with building management systems. This not only enhances user convenience but also promotes energy management strategies that are increasingly critical in today's energy-conscious world.

Moreover, the Carrier 260L and 1300L are designed with ease of maintenance in mind. Their modular components facilitate quicker access for service technicians, ensuring minimal downtime. Enhanced filtration systems improve indoor air quality, capturing dust and other particulates effectively, which is a key consideration in commercial settings.

In summary, Carrier's 260L and 1300L models stand out for their energy efficiency, advanced technology integration, and user-friendly features. They effectively meet the cooling challenges faced in commercial and industrial environments while adhering to sustainability goals, enhancing both user experience and operational efficiency. These systems exemplify Carrier's commitment to quality, reliability, and innovation in air conditioning solutions.
Top Page Image Contents