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Ascend JFD-23F - User Manual

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COMMERCIAL REFRIGERATOR AND FREEZER
OWNER'S MANUAL
Models: JFD-23R, JFD-23F, JFD-48R,
JFD-48F, JFD-72R, JFD-72F
This manual contains important information regarding your
new A S C E ND unit. Please read the manual thoroughly prior
to equipment set-up, operation and maintenance.
Failure to comply with regular maintenance guidelines outlined
in this manual may void warranty. MUST READ!!!
1575 Zephyr Avenue
Hayward, CA 94544
(800) 314-4477 (510) 477-3400
f: (510) 477-3413
www.ASCENDmfg.com
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Ascend JFD-23F Specifications

General IconGeneral
BrandAscend
ModelJFD-23F
CategoryRefrigerator
LanguageEnglish

Summary

Limited Warranty

Exclusion From Warranty

Details specific conditions and actions that are not covered by the manufacturer's warranty.

Warranty Service

Outlines the procedure and requirements for obtaining authorized warranty repair services.

Installation

Cabinet Location Guidelines

Provides recommendations for selecting an optimal and safe location for unit installation.

Electrical Requirements

Specifies the necessary electrical connections and safety precautions for unit operation.

Shelf Bracket Installation

Step-by-step instructions with diagrams for correctly installing shelf brackets inside the unit.

Safety and Warning Notices

General Electrical Safety

Key warnings regarding electrical hazards, outlet usage, and unplugging procedures.

Maintenance Safety

Safety precautions to observe during unit maintenance and cleaning operations.

Grounding Safety

Emphasizes the critical importance of proper electrical grounding for the unit.

Operational Safety Guidelines

Covers general safe operating practices, including tampering, door use, and storage.

Regular Maintenance Procedures

Cleaning the Condenser Coil

Instructions for cleaning the condenser coil to ensure efficient operation and prevent damage.

Cleaning Fan Blades and Motor

Guidance on how to clean the fan blades and motor, protecting the motor from moisture.

Cleaning the Interior of Unit

Methods for cleaning the interior, door gaskets, shelves, and pilasters.

Temperature Controller Operation

Setting Temperature

Instructions on how to view and adjust the desired temperature settings.

Manual Defrost Control

Procedures for initiating or stopping the defrost cycle manually.

Evaporator Temperature Display

How to display the evaporator temperature and the auto-resume function.

Indicator Lights

Explanation of the refrigerant and defrost indicator lights and their meanings.

Parameter Setup

Guide to entering parameter setup mode and modifying various control parameters.

Factory Default Reset

Process for restoring all controller parameters to their original factory default settings.

Ascend Refrigerator Settings

Temperature Setpoints

Defines the lower and higher setpoint limits for refrigerator temperature control.

Temperature Variance and Delay

Configures temperature hysteresis, compressor start delay, and temperature offsets.

Defrost Parameters

Sets the maximum defrost duration, interval time, and termination temperature.

Ascend Freezer Settings

Freezer Temperature Setpoints

Specifies the lower and higher setpoint limits for freezer temperature control.

Freezer Variance and Delay

Configures temperature hysteresis, compressor start delay, and temperature offsets.

Freezer Defrost Parameters

Sets maximum defrost duration, interval time, and termination temperature for freezers.

Troubleshooting Common Issues

Compressor Not Running

Identifies causes like tripped breakers or thermostat settings for compressor failure.

Condensing Unit Run Time

Addresses causes for long run times, including product load, door seals, and coil cleanliness.

Cabinet Temperature Issues

Diagnoses warm cabinet temperatures due to airflow, product, or thermostat settings.

Cabinet Noise

Pinpoints causes of noise, such as loose parts or tubing vibration.

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