Adjust Gas Pressure Settings

The LED display turns blank and the unit returns to the normal off mode. While programming the correct low fire and high fire gas pressure settings, do not adjust gas pressure on this appliance using the screw on top of the gas valve.

Do not touch the areas at or near the glass panel or exhaust. These areas become very hot and could cause burns.

11.Press the ON/OFF button to operate the appliance.

12.Press the SW1 switch. The LED will display “78” or “7” followed by a symbol.

13.Press the SW1 switch again to change to the low pressure mode. The LED will display “PL”.

14.Compare the pressure reading on the manometer to the desired manifold test pressure (low) for your gas type and altitude. If necessary adjust the low fire pressure using the ▲ and ▼ buttons.

15.Press the Economy button. The LED will display “18” indicating that the low pressure has been recorded into memory.

16.Press the SW1 switch TWICE. This puts the appliance into the high fire mode. The LED will display “PH”.

17.Compare the pressure reading on the manometer to the desired manifold test pressure (high) for your gas type and altitude. If necessary adjust the high fire pressure using the ▲ and ▼ buttons.

18.Press the Economy button to enter the high fire pressure into memory. The LED display will display “78”. If the LED shows any thing other than “78” call Rinnai Technical Support at 1-800- 621-9419 for assistance.

19.Press the ON/OFF button again. The LED display turns blank and the appliance returns to the normal OFF mode.

20.Remove manometer and install Allen head screws. Operate the unit and

•check the normal operating sequence

•visually inspect the flame

•check for gas leaks at the test points

Normal Operating Sequence

When you press the ON/OFF button, the LED display will illuminate, the combustion fan will begin to run, and the spark will ignite the main burner.

This heater has an automatic ignition system. When the main burner has lit, the combustion lamp will glow red, and the spark will stop.

Visual Inspection of Flame

Check that the burner flames are operating normally. The flame can be seen through the circular window through the louvers.

When operating normally the burner flame should appear as long, clear, blue, stable, streaks. Yellow flames or an orange color is abnormal and maintenance is required.

NORMAL

Flame Rod

Long, clear, blue, stable flames

ABNORMAL

Flame Rod

Yellow flames or orange color

Final Assembly

1Install the front panel and bottom cover.

2Place the conversion plate (label) on the front cover.

Rinnai Corporasion RHFE-263FAⅡConversion Manual



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Rinnai RHFE-263FA II manual Normal Operating Sequence
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RHFE-263FA II specifications

The Rinnai RHFE-263FA II is a state-of-the-art gas heater designed to provide warmth and comfort in residential spaces. Renowned for its innovative technology and reliability, this model stands out for its energy efficiency and user-friendly features, making it an ideal choice for homeowners seeking an effective heating solution.

One of the key characteristics of the RHFE-263FA II is its powerful heating capacity, which can efficiently warm up spaces up to 40 square meters. This makes it suitable for a range of room sizes, from cozy bedrooms to larger living areas. The unit operates on natural gas, delivering consistent heating without the need for bulky external storage tanks.

The design of the unit is both sleek and compact, allowing it to blend seamlessly into various interior decor styles without taking up much space. Additionally, the installation process is straightforward, and it can be mounted conveniently on walls, making it an excellent choice for homeowners with limited floor space.

In terms of technology, the Rinnai RHFE-263FA II employs advanced combustion technology that ensures optimal fuel efficiency while minimizing emissions. This is particularly important in today’s environmentally conscious world, where reducing carbon footprints is a priority. The unit also features a quiet operation mode, ensuring that it helps maintain a peaceful environment while running.

The heater is equipped with an intelligent control system that allows users to set a desired temperature, and it will automatically adjust its operation to maintain that level. This not only enhances comfort but also promotes energy savings, as the heater won’t operate unnecessarily when the desired warmth has been achieved.

Remote control functionality further elevates user convenience. Homeowners can easily adjust the temperature settings from anywhere in the room, enhancing comfort and providing ease of access.

Safety features are also a priority in this model, with built-in protections against overheating and gas leaks. The RHFE-263FA II adheres to stringent safety standards, ensuring that users can enjoy its benefits without worry.

In summary, the Rinnai RHFE-263FA II combines powerful heating capabilities with efficient energy use, modern design, and user-friendly technology. With its emphasis on safety, comfort, and environmental responsibility, it is a top choice for those seeking reliable and effective home heating solutions.
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