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.

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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?

Are Timers set? Clear Timers and operate again.

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 the unit cuts down on the thermostat, or goes out.

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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:

Clucking noise when the thermostat operates.

Unit is not heating room.

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

Heater will not re-ignite after overheating.

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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.

When the unit is turned off:

Convection fan continues to run after turning

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OFF.

 

 

 

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

Other Points:

Steam is discharged from the flue terminal.

Unit cuts off without apparent reason.

Power Failure.

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

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

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

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Rinnai RHFE-308 FTR user manual PRE-SERVICE Check, At Ignition

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.