Kold-Draft KD-50 - User Manual

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Summary

ICE MAKER SAFETY

Important Safety Instructions

Basic safety precautions to reduce the risk of fire, electric shock, or injury.

Important Safeguards

Crucial safety guidelines for installation, operation, and maintenance to prevent hazards.

Electrical Connection Requirements

Details on proper grounding, outlet specifications, and cord safety to prevent shock and fire hazards.

ICE MAKER INSTALLATION

Unpacking and Feet Installation

Instructions for removing packaging materials and attaching adjustable feet for proper leveling.

Location Requirements

Guidelines for choosing a suitable location with proper ventilation and temperature conditions.

Electrical Requirements

Details on the necessary electrical supply, grounding, and outlet specifications.

Water Supply and Drain Connections

Steps for connecting the water supply line and drain system according to plumbing codes.

Installation Types

Mobile Installation

Describes free-standing installation, requiring access to water supply and adherence to electrical/plumbing guidelines.

Enclosed Installation

Details installing the unit under a cabinet, emphasizing clearance requirements.

Built-in Installation

Steps for integrated installation, including removing legs and sealing the unit.

OPERATION

Final Check List before Operation

A comprehensive checklist to ensure all installation and setup steps are completed before initial use.

Operating Method

Step-by-step instructions on how to start and operate the ice maker.

How the Machine Makes Ice

Explains the two cycles (freeze and harvest) and how ice is produced.

Normal Sounds

Describes common sounds the ice maker may produce during operation and their causes.

Preparing for Long Storage

Instructions on how to properly drain and prepare the unit for extended periods of non-use.

CLEANING AND MAINTENANCE

Exterior Cleaning

Guidance on cleaning the outer surfaces of the ice maker using mild detergents.

Condenser Cleaning

Steps for cleaning the condenser and filter to ensure proper airflow and performance.

Interior Cleaning

Instructions for sanitizing the ice storage bin and cleaning its interior surfaces.

Ice Making System Cleaning

Details on preparing for and cleaning the ice making system to remove mineral scale buildup.

Control Box Functions

Control Box and Indicator Lights

Explains the function of the control box buttons and LEDs for monitoring the ice maker's status.

Ice Size Adjustment Guide

Instructions on how to adjust the size of the ice cubes produced by the machine.

TROUBLESHOOTING

Before Calling for Service

Advice on checking basic issues before contacting a service technician.

Troubleshooting Guide

Lists common problems, their possible causes, and probable corrections for diagnosing issues.

This document is a user manual for the Kold-Draft Automatic Ice Cube Maker, specifically for models KD-50, KD-70, and KD-110.

Function Description:

The Kold-Draft Automatic Ice Cube Maker is an appliance designed to produce ice cubes. It operates on a completely automatic procedure, stopping automatically when the ice storage bin is full and restarting once cubes are removed. The machine utilizes a freezing cycle where water is sprayed against an evaporator surface, and the portion of water without mineral impurities freezes to form ice cubes. During the harvest cycle, fresh water flows in to dilute concentrated minerals and rinse them down the drain. The ice maker is suitable for mobile (free-standing), enclosed (under a cabinet), or built-in (sealed) indoor installations, provided adequate ventilation space is maintained around the unit.

Important Technical Specifications:

Model	KD-50	KD-70	KD-110
Rated power		115V AC-60Hz
Refrigerant	R134a, 5.64oz	R134a, 5.93oz	R134a, 8.82oz
Ice-making/Ice-harvest rated current	3.0A/4.0A	4.1A/5.1A	6.0A/9.0A
High/Low side pressure	320psig/120psig	320psig/120psig	320psig/120psig
Widthdepthheight	15.5"x17.7"x36.7"	19.7"x17.7"x36.7"	24.8"x20.7"x36.7"
Ice storage capacity	26 lbs maximum	39 lbs maximum	60 lbs maximum
Ice-making capacity	40 lbs/day*	70 lbs/day*	105 lbs/day*
Unit weight	83.6 lbs	100 lbs	117.7 lbs
Type of ice		Cube
Ice cube dimensions		9/8" x 9/8" x 5/4"

*Rated in accordance with ARI standard 810 (90°F (32°C) air & 70°F (21°C) water). The actual quantity of ice produced per day can vary with room and water conditions. The technical data and performance indices listed above should be used for reference only. They are subject to change.

Electrical Requirements:

A standard electrical supply (115VAC, 60 Hz, 15 A) is required, properly grounded in accordance with the National Electrical Code and local codes and ordinances. It is recommended that a separate circuit, serving only the ice maker, be provided. The appliance is equipped with a 3-prong grounding plug, and it is crucial not to cut or remove the grounding prong, use adapters, or extension cords. The fuse (or circuit breaker) size should be 15 amperes.

Water Supply and Drain Connections:

The ice maker requires a cold water supply inlet of 1/4 in. soft copper tubing with a shut-off valve and a gravity-drain system. A continuous water supply with a minimum pressure of 20 psig and a static pressure not to exceed 80 psig is necessary. Water temperature should be between 41°F (5°C) and 90°F (32°C). The unit is not a freezer and must connect to a drain line; a condensation pump may be required if a gravity drain is not feasible. All installations must comply with local plumbing code requirements.

Location Requirements:

The unit should be installed in a well-ventilated area with ambient temperatures between 50°F (10°C) and 100°F (38°C). It must be protected from elements like wind, rain, water spray, or drips and should not be located near heat sources such as ovens or grills. Proper ventilation requires at least 4" clearance at the rear and top, and 0.6" at the sides. The unit must be leveled for proper water flow and ice production.

Usage Features:

Control Box: Located behind the front cover, it features LEDs for "BIN FULL" (Red), "ICE" (Green), and "HARVEST" (Yellow) to indicate operational status.
Buttons: "ON/OFF," "CLEAN," "ADJUST," and "MODE."
Bin Full (Red) LED: Lights up when the ice storage bin is full or the ice-full sensor is covered, stopping the unit. It flashes for 3 minutes after ice is removed before restarting.
Ice Making (Green) LED: Lit when the unit is in Ice Making mode controlled by a temperature probe. Flashing indicates timer-controlled Ice Making mode.
Ice Harvest (Yellow) LED: Lit when the unit is in Ice Harvest mode controlled by a temperature probe. Flashing indicates timer-controlled Ice Harvest mode.
Clean Button: Initiates the Cleaning mode, with green and yellow LEDs flashing. Press again to stop.
Mode Button: Used for service, allowing switching between Ice Making and Ice Harvest modes.
Adjust Button: When pressed for over 3 seconds, it enters Ice Size Adjustment mode. The "ICE" LED (green) blinks continuously during this adjustment.
Ice Size Adjustment:
- Smaller Ice Setting: Press the "Clean" (-) button. The "BIN FULL" (red) LED flashes as ice size decreases, blinking continuously at the smallest size.
- Larger Ice Setting: Press the "Mode" (+) button. The "HARVEST" (yellow) LED flashes as ice size increases, blinking continuously at the largest size.
- The unit automatically memorizes the current setting after 10 seconds of no operation.
- If all three LEDs ("BIN FULL," "ICE," "HARVEST") blink simultaneously during adjustment, it indicates the regular (middle) ice size setting.
- Ice size adjustment is not accessible during cleaning or when the ice bin is full.
Built-in Compressor Protection System: Enhances durability and safety.

Maintenance Features:

Cleaning before use: After unpacking, the interior should be cleaned before first use.
Exterior Cleaning: The door and cabinet can be cleaned with a mild detergent and warm water solution. Avoid solvent-based or abrasive cleaners. Stainless steel may discolor if exposed to chlorine gas and moisture, which is normal.
Condenser Cleaning: The condenser should be cleaned at least once every six months to ensure proper airflow and ice-making capacity. This involves removing the front cover, locating and cleaning the condenser filter with a brush or flowing water, and removing dirt/lint from condenser fins with a vacuum cleaner. Caution: Do not touch condenser fins as they are sharp and easily damaged.
Interior Cleaning: The ice storage bin should be sanitized occasionally. This involves disconnecting power, wiping the interior with a sanitizing solution (1 ounce household bleach or chlorine per 2 gallons of hot water), and rinsing thoroughly. The ice scoop should be washed regularly.
Sprinkler Cleaning: If ice cubes are improperly shaped, the sprinkler system needs cleaning. This involves removing the top cover, opening the door, removing flake covers (KD-70/110 by snapping, KD-50 by unscrewing bolts), removing the slideway, and disconnecting/cleaning the sprinkler arm and its components (sprinkler nuts, centrifuge parts, end plug) in a de-scaling solution (Nu-Calgon Nickel-Safe Ice Machine Cleaner, 4 ounces per gallon of warm water). Use a soft brush for stubborn residue, rinse with tap water, and wipe the water sump. Reassemble all parts.
Ice Making System Cleaning: Minerals can build up in the water system. Cleaning frequency depends on water hardness.
1. Turn off power, keep water/drain connected.
2. Remove all ice cubes from the bin.
3. Remove the front cover to access the control box.
4. Turn on power. Pour 8 oz. of Nickel-Safe Ice Machine Cleaner solution and 8 oz. of tap water into the water sump. After 5 minutes, press the "Clean" button to start Automatic Clean Mode.
5. Allow 30 minutes for cleaning. Shut off power, unscrew the bleeder plug at the rear to drain waste water, then retighten.
6. Repeat steps 4 and 5 three times without cleaner solution for rinsing.
7. Prepare a sanitizing solution (1 oz. household bleach per 2 gallons hot water). Remove flake covers and slideway, wipe the bin interior.
8. Spray all corners and edges with sanitizing solution. Soak flake covers and slideway, then replace after drying.
9. Allow solution to contact for at least 3 minutes, then dry.
10. Repeat step 6 to rinse the system one more time.
11. Reassemble the front cover.
12. Turn on power. Discard the first batch of ice produced after cleaning.
Long Storage Preparation: If the unit will be unused for a long time or moved, drain the water system by shutting off water supply, disconnecting water and drain lines, allowing the unit to run for an hour to eject remaining ice, shutting off electrical supply, unscrewing the water drain hole nut to drain residue, and then tightening it. Leave the door open for circulation and to prevent mold/mildew. Keep water supply and power cord disconnected.