1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Kolice Commercial Blast Chiller, Model KOBC-15. Please read these instructions thoroughly before operating the unit and retain this manual for future reference. This blast chiller is designed for rapid chilling and freezing of food products in commercial environments such as bakeries, restaurants, and catering services.
Figure 1: Kolice Commercial Blast Chiller KOBC-15 (15 Trays)
2. Safety Instructions
Adherence to the following safety guidelines is crucial for preventing injury and damage to the unit. Always follow local electrical and safety codes.
- Ensure the unit is connected to a properly grounded 220V power supply.
- Do not operate the unit with damaged power cords or plugs.
- Keep ventilation openings clear of obstructions.
- Do not store explosive substances such as aerosol cans with a flammable propellant in this appliance.
- Only qualified personnel should perform maintenance or repairs.
- Avoid touching internal components when the unit is operating or recently powered off, as surfaces may be extremely cold.
- Always disconnect power before cleaning or performing any maintenance.
3. Product Overview
3.1 Key Features
- Quick Freezing Performance: Utilizes a commercial compressor for rapid shock freezing and deep chilling, reducing food temperatures from +90°C to +3°C within 90 minutes, and to -18°C within 240 minutes. Achieves a lowest temperature of -40°C (-40°F).
- Multiple Custom Modes: Offers Hard Chill, Regular Freeze, Shock Freeze, and Soft Freeze modes for various food types including seafood, ice cream, dough, and pre-made meals.
- Intelligent Functions: Includes overload protection, auto defrost system, pre-cooling, auto drainage, accurate digital temperature control, and intelligent fault alarm.
- Powerful Insulation & Energy Saving: Features a thickened insulated door with cyclopentane foam and an automatic closing design to minimize cold air loss. Uses high-efficiency environmental refrigerant for energy efficiency.
- Large Capacity: 300 L (10.5 Cu.ft) capacity with 15 removable food-grade 304 stainless steel trays. Adjustable tray positions for flexible storage.
- Quiet Operation: Evaporator and condenser are equipped with noise-reducing fans.
3.2 Components
The Kolice Commercial Blast Chiller KOBC-15 includes the following main components:
- Main Blast Chiller Unit
- 15 Removable Stainless Steel Trays
- Compressor
- Fans (Evaporator and Condenser)
- Digital Control Panel
- Casters for mobility
Figure 2: Interior view showing 15 removable trays.
3.3 Specifications
| Specification | Value |
|---|---|
| Model Name | KOBC-15 |
| Product Dimensions (D x W x H) | 31.5" x 31.5" x 75.59" |
| Capacity | 300 Liters (10.5 Cu.ft) |
| Temperature Range | -40°C to +3°C (-40°F to +37.4°F) |
| Voltage | 220 Volts |
| Wattage | 1800 Watts |
| Material | 304 Stainless Steel |
| Number of Trays | 15 |
| Item Weight | 430 Pounds |
| Installation Type | Freestanding |
4. Setup
4.1 Unpacking and Inspection
- Carefully remove the unit from its packaging.
- Inspect for any shipping damage. Report any damage to the carrier and supplier immediately.
- Ensure all components listed in Section 3.2 are present.
4.2 Placement
- Place the blast chiller on a level, stable surface capable of supporting its weight (430 lbs empty, plus contents).
- Ensure adequate clearance around the unit for proper ventilation (at least 6 inches from walls or other equipment).
- Avoid direct sunlight or proximity to heat sources.
- Allow the unit to stand upright for at least 24 hours before plugging it in, especially if it was transported horizontally. This allows the refrigerant and oils to settle.
4.3 Electrical Connection
- Connect the unit to a dedicated 220V, 60Hz, grounded electrical outlet.
- Do not use extension cords or adapters.
4.4 Initial Cleaning
- Before first use, clean the interior and exterior surfaces with a mild detergent and warm water.
- Wipe dry with a soft cloth.
- Clean all removable trays thoroughly.
5. Operating Instructions
5.1 Powering On/Off
- To power on, plug the unit into the electrical outlet. The digital display will illuminate.
- To power off, press and hold the power button on the control panel, or unplug the unit from the power source.
5.2 Digital Control Panel
The control panel allows you to monitor and adjust temperature settings and operating modes.
Figure 3: Digital Control Panel with temperature display and function buttons.
The display shows the current internal temperature and the set temperature. Buttons typically include SET, UP, DOWN, MENU, and BACK/CONFIRM.
5.3 Setting Temperature
Follow these steps to adjust the desired temperature:
- Press the "SET" button.
- Use the "UP" or "DOWN" arrow buttons to adjust the temperature to your desired value.
- Press the "BACK" or "SET" button again to confirm and save the setting.
Video 1: Demonstration of setting the temperature on the control panel.
5.4 Selecting Operating Modes
The unit offers four primary operating modes:
- Hard Chill: For rapid cooling of hot foods to refrigeration temperatures (+3°C).
- Regular Freeze: Standard freezing process for various food items.
- Shock Freeze: Intense freezing to quickly reach deep freeze temperatures (-18°C or lower).
- Soft Freeze: Gentle freezing, often used for delicate items or specific textures like ice cream.
Refer to the control panel interface for specific instructions on how to select and activate each mode. Typically, this involves pressing a "MODE" or "MENU" button and navigating with arrow keys.
Figure 4: Recommended temperatures for various food items.
5.5 Loading and Unloading
- Distribute food evenly on the trays to allow for optimal air circulation. Do not overload trays.
- Ensure the door is closed securely after loading to maintain temperature and efficiency.
- When unloading, retrieve items quickly to minimize temperature fluctuations inside the unit.
Video 2: Demonstration of loading and unloading food items in a commercial blast freezer.
6. Maintenance
6.1 Regular Cleaning
- Daily: Wipe down interior and exterior surfaces with a damp cloth and mild, food-safe cleaner.
- Weekly: Remove and clean all trays. Ensure the drain is clear of any food debris.
- Monthly: Clean the condenser coils. Dust and debris on the coils can reduce efficiency. Disconnect power before cleaning. Use a brush or vacuum cleaner to remove buildup.
6.2 Defrosting
The unit features an automatic defrost system. However, if excessive ice buildup occurs, manual defrosting may be necessary:
- Remove all food products and store them in another freezer.
- Turn off and unplug the unit.
- Leave the door open to allow ice to melt naturally. Do not use sharp objects to remove ice.
- Once defrosted, clean and dry the interior before restarting the unit.
6.3 Door Gasket Inspection
Regularly inspect the door gaskets for cracks or damage. A tight seal is crucial for maintaining temperature and energy efficiency. Replace damaged gaskets promptly.
7. Troubleshooting
Before contacting service, review the following common issues and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on | No power supply; tripped circuit breaker; faulty power cord. | Check power connection; reset circuit breaker; inspect power cord for damage. |
| Unit not cooling sufficiently | Door not sealed properly; condenser coils dirty; ambient temperature too high; overloaded with hot food. | Check door gasket; clean condenser coils; ensure proper ventilation; reduce load or pre-cool food. |
| Excessive noise | Unit not level; fan obstruction; loose components. | Adjust leveling feet; check for obstructions around fans; contact service if noise persists. |
| Error code on display | System malfunction; sensor error. | Refer to the specific error code in the full technical manual (if available) or contact customer support. |
8. Warranty and Support
Warranty Coverage: The Kolice Commercial Blast Chiller KOBC-15 comes with a 1-year warranty for parts. This warranty covers defects in materials and workmanship under normal use.
Exclusions: The warranty does not cover damage resulting from improper installation, misuse, neglect, unauthorized repairs, or normal wear and tear.
Customer Support: For technical assistance, warranty claims, or to order replacement parts, please contact Kolice customer service. Provide your model number (KOBC-15) and purchase date when contacting support.
Kolice Contact Information:
- Manufacturer: Kolice refrigeration equipment manufacturer
- Seller: Kolice (via Amazon)
- For support, please visit the Kolice Store on Amazon or refer to your purchase documentation for direct contact details.