12.1 Testing for gas leaks

!

!

WARNING

DANGER

Prior to start-up of the boiler you must check the external tightness of the gas supply valve and confirm this in the start-up report.

-Cover endangered positions before leak testing.

-Do not spray the leak testing agent onto cables, plugs, electrical connec- tion lines or electronic circuit boards. Do not allow it to drip onto them either.

Leaks may be caused to pipes and screw connections during commissioning and maintenance activities.

-Carry out a proper leak test.

-Only use approved leak detection agents for leak detection.

-Disconnect the heating system from the power supply.

-Check the exterior tightness of new conduit sections up to and including the direct sealing point on the gas burner fitting. The maximum test pressure allowed on the input of the gas burner fitting is 14 inch W.C. (35mbar).

12.2 Testing the Ignition Safety shut off device

!WARNING

- Switch off system using the Central Heating button and the DHW button

 

- Disconnect the plug and socket connection of the ionization cable.

 

- Switch on the sytem using the Central Heating button and the DHW button.

 

- Press the MODE-button for 5 seconds.

 

 

- The display will show COdE followed by an arbitrary number;

 

-

Select by means of the

or the

button the code C123;

Series-E

-

Press the MODE-button until SERV is shown;

- Press the Store-button to confirm the code (code blinks 1 x);

 

- Press the STEP-button once until 1 is shown;

Rinnai

 

 

alternately 1 and OFF will be shown.

 

Instructions

-

Press the

button once;

 

 

 

 

 

 

Check if the boiler does one start-up attempt and four restart attampts.

 

 

After the last start-up attempt, the boiler will lock out. The gas valve is shut off.

Servicing&

 

The E02 code is blinking in the display.

 

 

 

 

- Connect the plug and socket connection of the ionisation cable.

 

- Press the reset button.

 

 

Installation

Do not touch the inside of the igntion cable while it is disconnected during

- Check if the boiler starts-up.

 

 

 

start up of the boiler.

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Rinnai E75CP, E110CP, E75CN Testing for gas leaks, Testing the Ignition Safety shut off device, Start up of the boiler

E75CP, E110CN, E75CN, E110CP specifications

Rinnai is a leading name in the heating industry, recognized for producing highly efficient and reliable tankless water heaters. Among their popular models are the Rinnai E75CN, E75CP, E110CP, and E110CN, each designed to cater to various household needs and preferences.

The Rinnai E75CN and E75CP are both remarkable for their compact size and impressive heating capabilities. The E75CN is a natural gas model, while the E75CP runs on propane. These units are designed to deliver a maximum flow rate of up to 7.5 gallons per minute, ensuring that multiple fixtures can be used simultaneously without a dip in performance.

Both models incorporate advanced temperature control technology, allowing users to set their desired water temperature with precision. The units feature a durable heat exchanger, constructed from high-grade stainless steel, which not only promotes longevity but also helps in preventing corrosion. Additionally, they come with built-in safety features, such as freeze protection and an overheat cut-off system, ensuring safe operation in varying conditions.

Moving on to the Rinnai E110CP and E110CN, these tankless water heaters are designed for larger households with higher hot water demands. The E110CP operates on propane, while the E110CN utilizes natural gas. These units deliver a maximum flow rate of up to 11 gallons per minute, making them ideal for simultaneous use in multiple bathrooms, kitchens, and laundry rooms.

The E110 models showcase Rinnai's Smart Technology, which optimizes energy consumption by adjusting the heating output based on the demand. This not only maximizes efficiency but also significantly reduces energy costs. They are equipped with digital controls and diagnostics, providing users with real-time information and the ability to troubleshoot easily if any issues arise.

In terms of installation, all four models are designed for versatility. They can be installed indoors or outdoors, giving homeowners flexibility based on their space and preference. With their compact design, these units require less space compared to traditional tank heaters, making them a suitable choice for modern homes.

Overall, Rinnai's E75CN, E75CP, E110PC, and E110CN models represent cutting-edge technology in tankless water heating. Their efficiency, safety features, and advanced technology make them an excellent choice for homeowners looking to upgrade their hot water systems. With Rinnai, users can enjoy the convenience of continuous hot water without sacrificing energy efficiency.