1. Introduction
Thank you for choosing the Cooler Depot Commercial Undercounter High-Temperature Dishwasher H50-S1. This manual provides essential information for the safe and efficient installation, operation, and maintenance of your new dishwasher. Please read this manual thoroughly before using the appliance and keep it for future reference.
2. Safety Information
Always follow basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, or injury.
- Ensure the dishwasher is properly grounded.
- Do not operate the dishwasher if it has a damaged power cord or plug.
- Keep children away from the dishwasher during operation.
- Use only detergents and rinse aids specifically designed for commercial dishwashers.
- Do not tamper with safety devices or controls.
- Always disconnect power before performing any maintenance or cleaning.
3. Setup and Installation
3.1 Unpacking and Inspection
Carefully remove the dishwasher from its packaging. Inspect the unit for any shipping damage. The stainless steel surfaces are covered with a protective film. This film should be removed before initial use. Gently peel off the film from all stainless steel surfaces.


3.2 Placement and Dimensions
The overall dimensions of the H50-S1 are approximately 24 inches (Length) x 25 inches (Depth) x 32 inches (Height). Ensure adequate clearance for ventilation and access for maintenance. The usable chamber height is 12 inches.
3.3 Electrical Connection
This dishwasher operates on 208-240V electricity and can be used with either single-phase or 3-phase power. The booster power is 2.5Kw. Consult a qualified electrician for proper electrical installation.
3.4 Water and Drain Connections
The unit includes a fill hose for water connection and a drain hose for wastewater. It also features a pumped rinse system and a cavity drain. Ensure all connections are secure and leak-free.

3.5 Chemical Dispensers
Chemical dispensers for detergent and rinse aid are included for optimal washing performance. Connect these according to the manufacturer's instructions for your chosen chemicals.

4. Operating Instructions
4.1 Control Panel Overview
The dishwasher features easy-to-use electronic controls with a digital display for rinse and washing temperatures. The control panel includes an On/Off button and a Function button to select cycles.

4.2 Loading Dishes
Place dishes and glassware into the provided dish racks. The unit comes with two standard dish racks. Ensure items are loaded to allow water to reach all surfaces for effective cleaning.
4.3 Cycle Selection
The H50-S1 offers three wash cycles: 120, 150, and 180 seconds. Select the appropriate cycle based on the soil level of your dishes using the Function button on the control panel.
4.4 Starting Operation
After loading dishes and selecting a cycle, press the 'On' button to start the washing process. The digital display will show the current rinse and washing temperatures.
5. Maintenance
Regular maintenance ensures optimal performance and longevity of your dishwasher.
- Daily Cleaning: Wipe down all exterior and interior surfaces with a damp cloth and mild detergent.
- Rinse Arms: Periodically check the rotating stainless steel wash and rinse arms for blockages or damage. Ensure the wide-angle fan nozzles are clear.
- Wash Pump Inlet Strainer: Clean the wash pump inlet strainer regularly to prevent debris buildup and ensure machine reliability.
- Descaling: Depending on water hardness, periodic descaling may be necessary. Consult a professional for descaling procedures.
6. Troubleshooting
If you encounter issues, refer to the following common troubleshooting steps. For persistent problems, contact customer support.
- Dishwasher not starting: Check power connection, ensure the door is fully closed, and verify the On/Off button is pressed.
- Poor cleaning results: Ensure rinse arms are not blocked, check detergent and rinse aid levels, and verify correct cycle selection.
- Leaking: Inspect all hose connections for tightness and check door seal for damage.
7. Specifications
Key technical specifications for the Cooler Depot H50-S1 Dishwasher:
| Feature | Specification |
|---|---|
| Model Name | H50-S1 |
| Brand | Cooler Depot |
| Installation Type | Under Counter |
| Product Dimensions (D x W x H) | 25"D x 24"W x 32"H |
| Item Weight | 160 Pounds |
| Capacity | Max. 30 Racks/H |
| Usable Chamber Height | 12 inches |
| Rinse Volume per Cycle | 0.66 Gallons |
| Voltage | 208-240V (1 or 3 Phase) |
| Booster Power | 2.5 Kw |
| Controls Type | Push Button (Electronic) |
| Cycle Options | 120, 150, 180 seconds |
| Noise Level | 45 Decibels |
| Certification | NSF Certified, ETL Certified (Conforms to UL STD.921 & Certified to CSASTD C22.2 NO.168) |


8. Warranty and Support
The Cooler Depot H50-S1 Commercial Dishwasher comes with a 1-year parts warranty and a 1-year labor warranty. For warranty claims, technical support, or any questions regarding your product, please contact Cooler Depot USA customer service. Keep your purchase receipt and original packaging materials for any potential returns or service needs.
9. Product Videos
9.1 Commercial Dishwasher H50-S1 Overview
Video 1: An official overview of the Cooler Depot H50-S1 Commercial Dishwasher, demonstrating its features, dimensions, and control panel operation. This video also shows the removal of the protective film from the stainless steel surfaces.