Zstar HZB-20BN
Zstar Nugget Ice Maker Instruction Manual
Model: HZB-20BN | Brand: Zstar
1. Introduction
The Zstar Nugget Ice Maker is a stainless steel countertop ice machine designed to produce crunchy, chewable nugget ice. With a high output capacity and convenient features like self-cleaning and smart indicators, it's perfect for home, office, or bar use.
Key Features:
- Crunchy Nugget Ice: Produces soft, chewable ice that absorbs flavors easily and cools drinks quickly.
- High Output: Capable of producing 44 pounds of ice per 24 hours, with a 3.3 lbs storage capacity.
- Durable Design: Constructed from stainless steel for improved durability and longevity.
- Smart Indicators: Features an LCD screen with indicators for 'ice full' and 'water insufficient' status.
- 24H Timer & Self-Cleaning: Allows scheduling of ice production and includes an automatic self-cleaning function for convenience.

Figure 1: Zstar Nugget Ice Maker
2. Package Contents
Please check the box for the following items:
- Zstar Nugget Ice Maker Unit
- Ice Basket
- Freestanding Ice Scoop
- User Manual
3. Setup & First Use
Initial Preparation:
- Unpack the ice maker and all accessories from the box.
- Place the unit on a stable, level surface away from direct sunlight or heat sources. Ensure adequate ventilation around the unit.
- Before first use, it is recommended to clean the unit. Refer to the 'Cleaning & Maintenance' section for instructions.
Filling Water:
- Open the top lid of the ice maker.
- Remove the ice basket.
- Pour clean, potable water into the water reservoir up to the 'MAX' fill line. Do not overfill.
- Replace the ice basket and close the lid.

Figure 2: Easy Ice Making Steps
4. Operation
Making Ice:
- After filling the water reservoir, plug the ice maker into a grounded electrical outlet.
- Press the 'ICE/CLEAN' button once to start the ice-making cycle. The 'ICE' indicator will light up.
- The first batch of nugget ice will be ready in approximately 10-15 minutes.
- The ice maker will continue to produce ice until the ice basket is full or the water reservoir is empty.
Smart Indicators:
The LCD screen provides visual cues for the ice maker's status:
- Water Shortage Indicator: A symbol will flash on the LCD screen when the water level is insufficient. Refill the reservoir to continue ice production.
- Ice Full Indicator: A symbol will flash on the LCD screen when the ice basket is full. Remove ice to resume production. The machine will automatically stop when the basket is full to save energy and prevent overflow.

Figure 3: Smart Indicators
Using the Timer:
The 24-hour timer allows you to schedule when the ice maker starts or stops producing ice.
- Press the 'TIMER' button.
- Use the Up (^) and Down (v) arrows to set the desired time in hours.
- The machine will automatically start or stop at the set time.

Figure 4: Set the Timer for Convenient Ice Production
Product Videos:
Video 1: Demonstrates the chewable nugget ice produced by the Zstar ice maker.
Video 2: Overview of the Zstar nugget ice maker, highlighting its ability to provide restaurant-quality ice at home.
5. Cleaning & Maintenance
Self-Cleaning Function:
The Zstar Nugget Ice Maker features an automatic self-cleaning function to ensure hygiene.
- Ensure the water reservoir is filled with clean water.
- Press and hold the 'ICE/CLEAN' button for 3 seconds to activate the self-cleaning cycle.
- The cleaning cycle will run automatically. Once complete, drain the water.
Draining Water:
To drain water from the unit, locate the drain plug at the bottom of the ice maker. Remove the plug to allow water to flow out. Replace the plug securely after draining.

Figure 5: Auto Self-Cleaning Mechanism
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Ice Full Indicator Flashing | Ice basket is full. | Remove ice from the basket. |
| Water Shortage Indicator Flashing | Water reservoir is empty or low. | Add water to the reservoir up to the 'MAX' line. |
| Ice Maker Not Producing Ice | Unit not plugged in; insufficient water; ambient temperature too high. | Ensure unit is plugged in; add water; move unit to a cooler environment. |
| Unusual Noises | Normal operation sounds (compressor, water pump); unit not level. | Ensure unit is on a stable, level surface. If noises persist or are excessive, contact customer support. |
7. Product Specifications
- Brand: Zstar
- Model Name: IB01
- Product Dimensions: 13.2"D x 9.5"W x 15.4"H
- Capacity: 44 Pounds (per 24H)
- Wattage: 200 watts
- Voltage: 115 Volts
- Refrigerant: R600a
- Material: Stainless Steel
- Item Weight: 30.8 pounds
- Installation Type: Freestanding, Countertop
- Color: Silver
- Certifications: FDA, ETL, SGS
8. Warranty & Support
For detailed warranty information and customer support, please refer to the warranty card included with your product or visit the official Zstar website. You may also contact Zstar customer service directly for assistance with product inquiries, troubleshooting, or replacement parts.
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