CONVERSION

The following procedure must be followed to convert the unit from Nat. Gas to LPG.

1.Hold both ends of the bottom cover. (Undercover ass’y) and pull toward you to remove the cover. Cover is snapped into place. (See fig #1)

2.Remove the 7 screws that secure the front panel and the louver assembly and remove panel from the unit. Pull the panel out at the bottom about 100mm and lift up over clips that hold it in place at the unit’s top. (See fig #1 and #2)

3.Remove 1 screw from the overheat switch mounting plate. Place bracket and switch to the side out of your way. (See fig #3)

4.Remove the nozzle manifold 2 screws. Then replace all (2) orifices with the proper size for gas type to be used. (See fig #3 and #4)

5.Remove damper inside burner 1 screw. Then pull the damper and secondary air damper out and replace with proper secondary damper. (See fig #4)

6.Ensure proper relationship of electrode and flame rod to the burner. (See fig #5)

7.VERY IMPORTANT: Gas type and gas pressure must now be altered for the type of gas the unit has been converted to. The procedure for this is detailed on page 39; Gas Pressure Setting.

LOUVER

(Fig #1)

BOTTOM COVER

FRONT

PANEL

OVERHEAT SWITCH

MOUNTING PLATE

(Fig #2)

(Fig #3)

Burner Assy

Burner Support

Damper

 

 

Burner Box

Nozzie

 

Manifold

Secondarv Air Damper

Burner Box Mounting Plate

Main Burner Orifices

(Fig #4)

Flame Rod

Main Heat

Exchanger

(Fig #5)

Electrode

– 36 –

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Page 36
Image 36
Rinnai RHFE-308 FTR user manual Conversion, Fig #2 Fig #3
Page 35 Page 37

RHFE-308 FTR specifications

The Rinnai RHFE-308 FTR is an advanced heating appliance designed to deliver efficient and comfortable warmth, especially in residential settings. It has become a popular choice for homeowners seeking reliable heating solutions that also emphasize energy efficiency and sustainability.

One of the standout features of the Rinnai RHFE-308 FTR is its innovative technology known as "Flue Gas Heat Recovery." This technology allows the heater to utilize the heat generated by combustion to enhance the overall efficiency of the unit. By capturing and repurposing flue gases, the RHFE-308 FTR can provide superior heating performance while minimizing energy waste, making it an environmentally friendly option.

The unit is equipped with a powerful burner system that generates impressive heat output while maintaining low emissions. This not only ensures effective heating but also complies with stringent environmental regulations, contributing to a cleaner atmosphere. Additionally, the Rinnai RHFE-308 FTR is designed to operate quietly, allowing homeowners to enjoy a warm and peaceful environment.

Ease of use is another appealing characteristic of the RHFE-308 FTR. It features a user-friendly control panel, which allows for precise temperature adjustments. Homeowners can set their desired comfort level with just a few simple clicks. This model also includes programmable timer options, enabling users to schedule heating times that align with their daily routines, further enhancing convenience and energy savings.

The compact and sleek design of the RHFE-308 FTR ensures that it can easily blend into various interior styles without looking out of place. It’s also lightweight, making installation straightforward for both professional technicians and savvy DIY enthusiasts. The unit’s construction emphasizes durability, featuring high-quality materials that ensure longevity and reliable performance over time.

Safety is a paramount consideration in the design of the Rinnai RHFE-308 FTR. It comes with multiple safety features, such as overheat protection and a child safety lock, providing peace of mind for families.

Overall, the Rinnai RHFE-308 FTR stands out as a versatile and efficient heating solution. With its advanced technology, user-friendly features, and emphasis on safety, it offers a comfortable and reliable heating experience for modern homes.
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