PRE-SERVICE CHECK

Before asking for a service call please check the following points. These points are part of the normal operation of the unit.

■At Ignition:

Heater does not operate.

Is the heater plugged in?

Have the fuses or breaker blown at the switch board? Is there a power failure?

Is the air filter blocked?

Is anything blocking the outlet for the hot air? Is the flue blocked?

Warm air does not flow when the burner lights.

Smoke or strange smells are produced on the first trial light up after installation.

Sharp clicking noises at ignition, or when unit cuts down on the thermostat, or goes out.

The fan is started automatically after a short delay.

This is to allow the heat exchanger to warm up, helping to avoid cold draughts.

This is caused by grease or oil and dust on the heat exchanger and will stop after a short time.

This is simply expansion noise from the heat exchanger.

■During Combustion:

Clunking noise when the thermostat operates.

Unit is not heating room.

Air filter is blocked or the louvers are blocked or obstructed.

Heater will not re-ignite after overheating.

■When the unit is turned off.

Convection fan continues to run after turning OFF.

■Other Points:

Steam is discharged from the flue terminal.

This is the sound of the solenoid gas valves opening and closing.

Is the air filter blocked?

Is the set temperature high enough?

Is the warm air outlet blocked by anything?

Are the doors and windows of the room closed?

Allow heater to cool, clean air filter, operate again.

Even after unit has cooled down the heater does not ignite again. Repair is necessary.

Contact your local agent or Rinnai for a Service call.

This is to remove the residual heat from the heat exchanger, the fan will stop when the heater cools down.

High efficiency appliances tend to discharge water vapor on cold days, this is normal.

Unit cuts off without apparent reason.

Check whether filters are blocked, dirty filters will cause the heater of overheat.

Power Failure.

Switch OFF, then ON again when power is restored to re-set controls.

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Rinnai RHFE-431FA installation manual PRE-SERVICE Check, At Ignition, During Combustion, Other Points
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RHFE-431FA specifications

The Rinnai RHFE-431FA is an advanced heating appliance designed to provide efficient warmth and comfort in residential spaces. With its sleek design and powerful performance, this model is a top choice for energy-conscious consumers seeking both functionality and aesthetics.

One of the standout features of the RHFE-431FA is its high heating efficiency, which helps reduce energy costs while ensuring a consistent and comfortable indoor climate. It operates using advanced gas technology, providing instant heat without the need for a cumbersome heating system. This unit is capable of delivering up to 4.2 kW of heating power, making it suitable for a variety of room sizes.

The unit's compact size and wall-mounted design allow for flexible installation options, blending seamlessly into any decor. The stylish front panel adds a modern touch while maintaining an unobtrusive presence. Additionally, the RHFE-431FA is available in multiple color options, ensuring that homeowners can choose a finish that best matches their interior design.

Equipped with Rinnai's advanced convection heating technology, the RHFE-431FA generates warmth that rises and circulates throughout the room efficiently. This method ensures that the heat is evenly distributed, eliminating cold spots and providing a comfortable living environment. The built-in fan helps to expedite heat distribution, making the unit effective in both small and larger areas.

The intelligent control system of the RHFE-431FA includes a user-friendly digital display, allowing for easy temperature adjustments and operational settings. The unit can be programmed to maintain specific temperatures, promoting energy savings when the space is unoccupied. Additionally, the unit features a child lock mechanism for added safety, making it an excellent choice for families.

Rinnai places a strong emphasis on safety, and the RHFE-431FA is no exception. This model is designed with multiple safety features, including an automatic shut-off function, ensuring peace of mind for users. Its silent operation also makes it a perfect addition to bedrooms or quiet spaces.

In summary, the Rinnai RHFE-431FA is a versatile and efficient heating solution that combines modern design, advanced technology, and safety features. Whether for a cozy family room, a bedroom, or any other space, this model promises to deliver comfort and warmth while being mindful of energy consumption.
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