1. پراڊڪٽ ختمview
This manual provides essential information for the safe and efficient operation of your Ranein Natural Gas Tankless Water Heater, Model RH8K-NG. This indoor unit delivers a maximum of 3.6 gallons per minute (GPM) of hot water with an 80,000 BTU heating capacity, suitable for 2-3 water supply points in a household.

تصوير 1.1: سامهون view of the Ranein Natural Gas Tankless Water Heater with its included vent pipe.
اهم خاصيتون شامل آهن:
- On-Demand Hot Water: Eliminates waiting time for hot water.
- موثر گرمائش: 80,000 BTU capacity for continuous hot water.
- گھڻن موڊس: Pre-set temperature modes for various uses (Dish, Fruit, Elderly, Infant).
- آڪسيجن کان پاڪ ڪاپر هيٽ ايڪسچينجر: Designed for reduced heat loss and energy consumption.
- Integrated Vent Pipe: Exhaust pipe included in the kit.
- معياري ڪنيڪشن: 1/2" NPT water fitting and gas inlet.

تصوير 1.2: مٿيview of the Ranein water heater's design advantages, highlighting internal components and operational benefits.
2. حفاظت جي ڄاڻ
خبردار: غلط تنصيب، ترتيب، ڦيرڦار، خدمت، يا سار سنڀال ملڪيت کي نقصان، زخم، يا موت جو سبب بڻائيندو. هن سامان کي نصب ڪرڻ يا خدمت ڪرڻ کان پهريان انسٽاليشن، آپريٽنگ، ۽ سار سنڀال جي هدايتن کي چڱي طرح پڙهو.
- Always ensure the unit is installed by a licensed professional in accordance with all local building and plumbing codes.
- Do not operate the water heater if any part has been submerged in water. Immediately call a qualified service technician to inspect the water heater and replace any part of the control system and any gas control that has been submerged in water.
- Ensure adequate ventilation as specified in the installation manual.
- This appliance is not recommended for areas over 2,000 feet in elevation without proper adjustments. Consult a professional for high-altitude installations.
3. پيڪيج مواد
انسٽاليشن شروع ڪرڻ کان اڳ پڪ ڪريو ته سڀئي جزا موجود آهن:
- Ranein Tankless Water Heater (Model RH8K-NG) x1
- وينٽ پائپ x1
- اسيمبلي کٽ x1
- User's Manual x1 (this document)
4. وضاحتون
| خاصيت | تفصيل |
|---|---|
| برانڊ | راڻي |
| ماڊل نمبر | RH8K-NG |
| پيداوار جي ماپ | 19.09"W x 7.67"H |
| رنگ | ڀورو |
| جلدtage | 120 وولٽ (AC) |
| وڌ ۾ وڌ درجه حرارت | 149 درجا فارنهائيٽ |
| ڪارڪردگي | Not Indicated |
| چڙهڻ جو قسم | ديوار |
| اليڪٽرڪ آهي | No (Gas-fired) |
| شيءِ جو وزن | 22.9 پائونڊ |
| گرمائش جي گنجائش | 80,000 BTU |
| گرم پاڻي جي وهڪري جي شرح | 3.6 GPM (گيلن في منٽ) |
| گيس جو قسم | قدرتي گئس |
| Water/Gas Inlet | معياري 1/2" اين پي ٽي |

Image 4.1: Product dimensions and interface sizes, indicating standard 1/2" NPT connections.
5. سيٽ اپ ۽ تنصيب
تفصيلي انسٽاليشن هدايتن لاءِ، مھرباني ڪري سرڪاري ويب سائيٽ ڏسو انسٽاليشن مينوئل (PDF). Installation must be performed by a qualified and licensed professional.
General steps include:
- جڳھ جي چونڊ: Choose an indoor location with proper ventilation and access to natural gas and water lines. Ensure the location is not subject to freezing temperatures.
- چڙهڻ: Securely mount the unit to a wall using appropriate hardware, ensuring it is level and can support the unit's weight.
- گيس ڪنيڪشن: Connect the natural gas supply line to the unit's 1/2" NPT gas inlet. All gas connections must be leak-tested.
- پاڻي ڪنيڪشن: Connect the cold water inlet and hot water outlet lines to the unit's 1/2" NPT fittings. Install shut-off valves and a pressure relief valve as required by local codes.
- وينٽيليشن: Install the included vent pipe according to the manual, ensuring proper exhaust of combustion gases.
- برقي ڪنيڪشن: Connect the unit to a 120 Volts (AC) power supply.

Image 5.1: Illustration of the water heater's capacity to supply multiple points of use simultaneously.

Image 5.2: Internal components of the HeatMaster 2.0 system, designed for stable combustion and heat utilization.
6. آپريٽنگ هدايتون
The Ranein tankless water heater features a touch panel with an LED display for easy operation.

Image 6.1: The high-definition liquid crystal display and touch panel for temperature and mode control.
پاور آن / آف: Press the power button on the display to turn the unit on or off.
درجه حرارت جي ترتيب: Use the up and down arrows on the touch panel to set your desired water temperature. The maximum temperature is 149°F.
سمارٽ موڊس: The unit offers four pre-set modes for convenience:
- Dish Mode: 100℉ (37.8°C) - Ideal for washing dishes.
- Fruit Mode: 95℉ (35°C) - Suitable for washing fruits and delicate items.
- Elderly Mode: 104℉ (40°C) - A comfortable temperature for elderly users.
- Infant Mode: 107℉ (41.7°C) - A safe and warm temperature for infants.
Select the desired mode by pressing the corresponding icon on the touch panel. The unit will automatically adjust to the pre-set temperature for that mode.

Image 6.2: Visual representation of the four smart modes available on the water heater.
7. سار سنڀال
Regular maintenance ensures optimal performance and longevity of your tankless water heater. Always disconnect power and gas supply before performing any maintenance.
- سالياني فلشنگ: It is recommended to flush the unit annually to remove mineral buildup, especially in areas with hard water. Consult a professional for this service.
- وينٽ پائپ جو معائنو: Periodically inspect the vent pipe for any obstructions, damage, or signs of corrosion. Ensure it is securely connected.
- انليٽ فلٽر جي صفائي: Clean the water inlet filter as needed to prevent debris from entering the unit.
- ٻاهرين صفائي: يونٽ جي ٻاهرئين حصي کي نرم سان صاف ڪريو، ڊيamp ڪپڙو. استعمال نه ڪريو abrasive cleaners يا solvents.

Image 7.1: The oxygen-free copper heat exchanger, a key component requiring proper maintenance to ensure efficiency.
8. مسئلا حل ڪرڻ
If you encounter issues with your water heater, refer to the following common problems and solutions. For complex issues, contact a qualified technician.
| مسئلو | ممڪن سبب | حل |
|---|---|---|
| نه گرم پاڻي | گئس جي فراهمي ناهي، بجلي ناهيtage, water flow too low, unit error code | Check gas valve, power supply, ensure adequate water flow, check display for error codes and consult manual. |
| پاڻي جي گرمي پد ۾ تضاد | Fluctuating water pressure, mineral buildup, incorrect temperature setting | Check water pressure, consider annual flushing, adjust temperature setting. |
| يونٽ چالو ناهي | No power, gas supply off, safety lockout | Verify power connection, check gas valve, reset unit if in lockout (refer to manual). |
| نقص ڪوڊ ڏيکاريل آهي | مخصوص سسٽم جي غلطي | Refer to the detailed installation manual for specific error code meanings and troubleshooting steps. |

Image 8.1: The high-speed anti-backflow fan system, crucial for safe and efficient exhaust, which can be a point of troubleshooting if issues arise.

Image 8.2: The unit incorporates multiple safety protections, which may trigger a lockout if a fault is detected.
9. وارنٽي ۽ سپورٽ
The Ranein Natural Gas Tankless Water Heater comes with a 2 سالن جي مفت سروس وارنٽي. For warranty claims, technical support, or service inquiries, please contact Ranein customer service through the retailer where the product was purchased or visit the official Ranein webسائيٽ.

Image 9.1: The water heater is designed for quiet operation, ensuring minimal disturbance.





