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Summary of Contents for CARBOTEK Nitro-Box Single
- Page 1 Nitro-Box Operation Manual Single Double Tripple Quattro Attention: Before start of operation, study this manual. Carbotek Systems GmbH, Germany Doc Version: 1.4 / Date: 24.04.2024 Doc Version: 1.4 / Date: 24.04.2024...
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Page 2: Table Of Contents
Table of Contents Safety Instructions ............................. 3 1.1. Setup / Commissioning ........................3 1.2. Operations ............................3 1.3. Spare Parts ............................3 1.4. Transport and Storage ........................3 1.5. Intended Usage ..........................3 Before Starting ............................4 Functionality ............................4 Technical Data and Properties ...................... -
Page 3: Safety Instructions
1. Safety Instructions 1.1. Setup / Commissioning The use and maintenance of the machine shall be limited to trained personnel only. Health and Safety Note When using CO₂ for driving the Nitro-Box pump it might be necessary to install an exhaust line, in case of installations in poorly ventilated rooms. -
Page 4: Before Starting
2. Before Starting 2.1 Functionality How it works • The Nitro-Box does not require electricity. However, it is required to be integrated into a cooling environment (flow-through or fridge cooling) and it needs to be supplied with OIL-FREE compress air and optionally with N2 gas. •... -
Page 5: Technical Data And Properties
2.2 Technical Data and Properties Width Height Depth Beverage Lines Model SKU NB-20-1-NP-MF NB-20-2-NP-MF NB-20-3-NP-MF NB-20-4-NP-MF Article-Number Height (H) 276,0 276,0 276,0 276,0 Width (W) in mm 96,1 181,1 266,1 351,1 Depth (D) 156,5 156,5 156,5 156,5 Weight Pumps Flojet G80 Liquid Flowrate depends on depends on... -
Page 6: Nitro-Port Explanation
2.3 NITRO-PORT Explanation The usage of the Nitro-Port is optional. Below you find a comparison between Nitro-Port usage and without. NITRO-PORT USAGE GAS-IN PORT (2.5 bar) Connected to compressed air NITRO PORT (3.0 bar) Connected to N2 bottle Pump is driven with Nitrogenating gas N2 gas Pros and Cons... -
Page 7: Installation
4. Intake filter 5. Gas source Item Notes Carbotek item The Nitro-Box can be combined with different cooling concepts. When using dry or water-based coolers, the Nitro-Box is installed Cooling before those. When using ambient cooling, the Nitro-Box can be installed inside the cooled room. - Page 8 Typically, the Nitro-Box is operated only with compressed air. An OIL FREE compressor must be used. 371 : Mini-Aircompressor (230V/50Hz) source Optionally an additional N2 bottle can be connected to avoid 372 : Mini-Aircompressor (115V/60Hz) oxidation taste of the beverage. The product can be stored in pressurized (KEG, KEYKEG) or 430 : 5l ball-lock canister unpressurized (Bag-in-Box, canister) containers.
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Page 9: Mounting / Positioning
3.2. Mounting / Positioning The Nitro-Box can be mounted through the drip eyes on its backside or can stand alone on bottom side. Do not lay them on its backside. drip eyes Nitro-Box must stand or hang in upright position. Backside properties. -
Page 10: Pressure Settings
Tripple (252) SKU: NB-20-3-NP-MF Quattro (251) SKU: NB-20-4-NP-MF 3.3. Pressure Settings GAS-IN Compressed Air 2.5 Bar In installations with floor changes, increase the pressure by 0.5 bar for each floor change. Note: This gas is used to drive the pump. If NITRO-PORT is connected, NITRO-PORT gas is used for nitro injection, otherwise GAS-IN gas is used for nitro injection. -
Page 11: General Recommendations
3.4. General Recommendations Shut-Off valves • Usage of shut-off valves We recommend to install the Nitro-Box with shut-off valves on each liquid and gas line as in the picture shown. This makes service works easier. Nitro-Blenders • When using Nitro-Blenders, please consider that a blender has a flowrate of about 2.5 l/min at 2 bar liquid pressure. -
Page 12: Typical Installation Scenarios
3.5. Typical installation scenarios 3.5.1. Water or dry cooler installation • One Nitro-Blender can be used for one or two taps. • Best Nitro-Blender position is before cooler. 3.5.2. Cold room installation • Best Nitro-Blender position is in the middle between Nitro-Box and tap. -
Page 13: Additional Nitro-Blenders
Tip properties: 4 mm width / 1 mm thickness • Wrench 7 mm Required if gas flowmeter as below is used • To verify the gas setup a small flowmeter (max 1 lpm) can be used. Carbotek item 931 / Nitro-Dosing-Flowmeter Doc Version: 1.4 / Date: 24.04.2024... -
Page 14: How To Adjust
3.6.2. How to Adjust • The Nitro-Boxes have a Max-Flow limiter orifice. This orifice limits the max gas flow that can be adjusted. • The gas dosing BASE position can be achieved like this: 1. Turn the needle valve clockwise to close it completely 2. -
Page 15: Gas Setup Verification
3.6.3. Gas Setup Verification To validate or check the gas flow there are three possibilities: 1. Try and error with product • Adjust the gas setup until the product at the tap is as desired. Depended of your setup you might have to pour half a liter (or more) after each modification to see the effect. -
Page 16: Hygiene, Cleaning, Maintenance
The product shelf life and the product quality are in the responsibility of the operator. Carbotek can just provide general recommendation at this stage. -
Page 17: Chemical Cleaning
4.3. Chemical Cleaning Track the cleaning activities in a cleaning protocol in case cleaning records are requested from a food inspection. It’s recommended to wear gloves and safety glasses when working with chemical detergents. Pay attention to the local safety standards. The principal cleaning steps are as below 1. - Page 18 4. Check intake filter, jet-nozzle and tap valve (for each tapping line) Open filter adapter with wrench Take out filter element and clean with water in case of particles or clogging. Unscrew the tap nozzle Close filter again Reconnect the nozzle to the tap.
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Page 19: Preventive Maintenance
Per line tap 2.0 l of Open pump pressure cleaning solution through the dispense lines. Then close tap. Clean drip- tray mean- while WAIT 10 MINUTES 6. Rinse with water again - Dump the rest of the cleaning solution. - Rinse canister with water - Fill up canister with fresh - Per line tap 1.5 l of water through water (around 2.0 l per line) -
Page 20: Faqs
How many taps can be supplied l/min (at a pressure of 2.5 bar). with a Nitro-Box? When using the recommended Carbotek Jet Nozzle (article 409), the flowrate is about 1.2 lpm. Per pump 2 taps can be supplied •... -
Page 21: Troubleshooting
Check dispensing flowrate Dispensing flowrate at the tap should be 1.0 – 1.2 l/min. Not enough foam Check this flowrate. • Check for the Carbotek Nitro Nozzle This nozzle is required for a good foam result. • Check pressure settings GAS-IN : 2.5 Bar... -
Page 22: Warranty
Reduce in 0.2 bar steps. This will reduce the amount of gas added. 7. Warranty The guarantee and warranty period during proper and intended use is 2 years. 8. Contact Data Carbotek Systems GmbH Nuernberger Straße 64-68 Phone: +49 9081 24087-00...
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