GAS PRESSURE SETTING

1.With your manometer gauge zeroed and connected to both pressure taps, press the On/Off button and operate appliance.

2.Press the SW1 test switch. 78 or 7≡ will be displayed on the incidator LED.

3.Press the SW1 switch again to put the appliance in Low pressure mode. PL will appear on the LED display.

4.Adjust the low pressure using the UP and DOWN arrows until the pressure differential shown on the manometer is:

Gas Pressure

Nat. Gas

Propane

Low Pressure

1.6 mbar

2.7 mbar

Set Temp

RoomTemp

Temp

Control

5.Press the Economy button. The LED will then display 18 indicating that the low pressure has been recorded into memory.

6.Next press the SW1 switch twice. This puts the unit in high fire mode. PH will be displayed on the LED.

7.Set the high fire pressure using the UP and DOWN arrows and the manometer to get the following values.

Gas Pressure

Nat. Gas

Propane

High Pressure

5.7 mbar

9.2 mbar

Set Temp RoomTemp

Set Temp RoomTemp

8.Press the Economy button to enter the high fire pressure into the memory. The LED display wil indicate 78.

9.Press the On/Off button again. The LED display goes blank and the unit returns to the normal OFF mode.

10.Reconfirm all pressure settings before putting unit back into operation. Disconnect manometer from the unit and replace the screws. Leak test all connections.

11.After completion of gas pipe connections all joints including the heater must be checked for gas tightness.

12.Visual check for proper main burner flame appearance.

 

VISUAL CHECK

SATISFACTORY

UNSATISFACTORY

FRONT VIEW

FRONT VIEW

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Rinnai RHFE-308 FTR user manual Satisfactory Unsatisfactory Front View
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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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