1. Introduction
This manual provides essential information for the safe and efficient operation of your COWSAR Commercial Cube Ice Maker, Model HBZB-36F. Please read all instructions carefully before installation and use. This ice maker is designed for both home and commercial use, offering high ice production capacity and convenient features.
Video: An overview of the COWSAR Commercial Ice Maker, highlighting its design and key features.
2. Safety Information
- Ensure the ice maker is unplugged before any installation, cleaning, or maintenance procedures.
- Place the unit on a firm, level surface to ensure proper operation and prevent water leaks.
- Maintain adequate ventilation around the unit. Do not block air vents.
- Do not install the ice maker in an environment with direct sunlight, heat sources, or where the ambient temperature is outside the recommended range (typically 10°C to 38°C).
- Use only potable water for ice production.
- Keep children away from the appliance during operation and maintenance.
3. What's in the Box
Upon unpacking, verify that all the following items are included:
- COWSAR Commercial Cube Ice Maker Machine
- User Manual
- Ice Scoop
- Water Supply Hose
- Water Drain Hose
- Hose Connector
- Door Handle with Fixed Screws
- Hinges (for reversible door installation)
- White Stopper (for reversible door installation)

Image: Included accessories such as the ice scoop, water hose, and drain hose, along with the unit's dimensions.
4. Setup and Installation
Proper installation is crucial for optimal performance. Follow these steps carefully.
4.1. Door Handle Installation
- Remove any protective film from the door.
- Align the door handle with the pre-drilled holes on the door.
- Insert the fixed screws into the door holes and tighten them with a Phillips screwdriver.
- Align the handle with the screws, push it in, and ensure it's seated firmly.
- Tighten the safety screw at the bottom of the handle.
- After installing, pull the handle to ensure it's stable and firm.
4.2. Water Inlet Hose Installation
- Locate the water inlet port at the back of the ice maker.
- Remove the clip from the water inlet port.
- Align the water supply hose with the inlet and firmly push it in until it is fully seated to prevent water leakage.
- Reattach the clip that was removed earlier to secure the hose.
- Give the water hose a gentle tug to ensure it's firmly in place.
- To replace or remove the water inlet hose, remove the clip first, then push the hose inward to release and remove it.

Image: Detailed view of the water inlet, water outlet, and power cable connections at the rear of the unit.
4.3. Water Outlet Hose Installation
- Locate the water outlet port at the back of the ice maker.
- Remove the waterproof plug from the water outlet.
- Align the larger end of the drain hose with the outlet and push it in firmly.
- Ensure the water drain hose is kept below the water drain port to prevent water leaks and allow for gravity drainage.
Video: Step-by-step guide for installing the door handle, water inlet, and water outlet hoses.
4.4. Reversible Door Installation (Optional)
The door can be reversed to open from either the left or right side.
- Make sure the ice maker is unplugged!
- Loosen the top hinge screw with a screwdriver, then remove the door.
- Loosen the remaining screws on the right hinges with a screwdriver, then remove both hinges.
- Reinstall the screws to the ice maker to prevent loss.
- Loosen the preinstalled screws on the left side and use them to install the left upper and lower hinges (found in the accessory bag).
- Insert the white limiter into the slot at the bottom of the door.
- Align the door's bottom hole with the left lower hinge pin, mount the door, and ensure correct orientation.
- Install the top hinge screw on the left upper hinge to secure the door.
- Check the door's stability after installation.
5. Operating Instructions
Your COWSAR ice maker features an intelligent LCD control panel for easy operation.
5.1. Control Panel Overview

Image: The multi-functional LCD control panel displays ambient temperature, ice-making status, and various settings.
- ON/OFF Button: Powers the unit on or off.
- TIMER/CLEAN Button: Press briefly to set the 24-hour timer. Press and hold for 5 seconds to initiate the self-cleaning cycle.
- +/- Buttons: Adjust ice thickness or timer settings.
- LIGHT Button: Controls the internal light.
- Display Indicators: Shows ambient temperature, ice full alarm, water shortage indication, and current ice-making status.
5.2. Ice Making Process
The ice maker can produce 40 clear ice cubes per cycle, with each cycle lasting approximately 15-20 minutes. The unit has a daily production capacity of 80 lbs and a storage bin capacity of 25 lbs.
- Ensure the water supply is connected and the unit is plugged in.
- Press the ON/OFF button to start ice production.
- The automatic overflow prevention feature will stop ice production when the storage bin is full.

Image: The ice maker's interior, highlighting its rapid ice-making capability and 25 lbs storage bin.
5.3. Adjustable Ice Thickness
You can adjust the ice-making time to achieve ice cubes with varying degrees of surface indentation (thickness). Use the +/- buttons on the control panel to modify this setting.
5.4. 24-Hour Timer Function
The 24-hour timer allows you to schedule when the machine turns on or off. This feature is useful for having ice ready when needed without continuous operation.

Image: Illustration of the 24-hour timer function, allowing users to schedule ice production.
Video: Demonstrates the ice maker's commercial-grade capacity and rapid ice production.
6. Maintenance
Regular maintenance ensures the longevity and hygiene of your ice maker.
6.1. Self-Cleaning Cycle
The ice maker features an automatic self-cleaning cycle:
- Press and hold the "TIMER CLEAN" button on the LCD screen for 5 seconds to initiate the self-cleaning cycle.
- The machine will perform an internal cleaning process.

Image: The automatic cleaning and drainage system, showing water inlet, outlet, and power connections.
6.2. General Cleaning
- Regularly wipe down the exterior with a soft, damp cloth.
- For thorough cleaning, refer to the detailed cleaning instructions in the full user manual.
7. Troubleshooting
If you encounter any issues, refer to the following common troubleshooting tips. For more complex problems, consult the full user manual or contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| No ice production | No water supply; unit not powered; ambient temperature too high. | Check water connection; ensure unit is plugged in; move to a cooler location. |
| "Water Shortage" indicator on | Insufficient water supply. | Check water inlet hose connection and water source. |
| "Ice Full" alarm on | Ice storage bin is full. | Remove ice from the storage bin. |
| Ice melts quickly | High ambient temperature; door not sealed properly. | Ensure proper ventilation; check door seal. The unit's insulation helps slow melting, but it is not a freezer. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | HBZB-36F |
| Brand | COWSAR |
| Ice Production Capacity | 80 lbs per 24 hours |
| Ice Storage Capacity | 25 lbs |
| Ice Cube Production per Cycle | 40 cubes |
| Cycle Time | 15-20 minutes |
| Product Dimensions (D x W x H) | 18.58" x 15" x 33.7" |
| Weight | 63.62 lbs |
| Wattage | 240 watts |
| Installation Type | Freestanding or Under-Counter |
| Certifications | ETL Certified |
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the contact details provided in the full user manual or visit the official COWSAR website. Keep your purchase receipt for warranty claims.