Content

1Safety and general instructions

1.1Designated use

1.2Hazard definitions

1.3Symbol definitions

1.4The following instructions must be followed

1.5Follow these instructions for the space heating water

1.6Tools, materials and additional equipment

1.7Relevant Installation, Service and User manuals

1.8Disposal

2Regulations and guidelines

3Description of the boiler

4Packaging and transportation

4.1Scope of delivery

4.2Transportation

5Installation

5.1Requirements for the installation room

5.2Fitting the boiler

5.3Dimensions

5.3.1Plumbing kits

5.3.2Clearances from appliance

5.4Technical specifications

6 Connecting the boiler

6.1Central heating system

6.1.1Plumbing Kit installation

6.1.2Safety valve

6.1.3Low water cut off

6.2Expansion tank

6.3Underfloor heating system (plastic pipes)

6.4Gas supply connection

6.4.1.Gas connection with natural gas

6.4.2Gas connection with propane gas

6.5Hot water supply

6.6Condensate drain pipe

6.7Vent system and air supply system

6.7.1Intake / Exhaust Guidelines

6.7.2Examples vent and air supply systems

6.7.3Installation of the vent system

6.7.4Recommended vent/air intake terminal position

6.7.5Dimensioning of the exhaust and air intake duct

6.7.6Combustion air and vent piping lengths

6.7.7Calculation of compensation factor

6.7.8Room Air System (outdoor combustion air)

7Electrical connections

8Boiler controls

8.1Explanation of the function buttons

9Starting up: Filling and de-aerating the boiler and installation

9.1Requirements of the water system

9.2Filling the heating system

9.3Hot water supply

10Adjustments

10.1Altering adjustments

10.2Activating factory settings (green button function)

11Isolating the boiler

12Commissioning

12.1Testing for gas leaks

12.2Testing the Ignition Safety shut off device

12.3Checking for contamination

12.4Checking of the zero pressure control

12.5Checking the O2

12.6Measuring the ionization current

12.7Installing the casing

13Maintenance

13.1Periodic examination of venting and boiler

13.2Inspection

13.2Maintenance activities

13.3Warranty

14Parts of the boiler

15Blocks and errors

16Other errors

17Spare parts

18Parts list vent system

19Common venting guidelines

Appendix A Outdoor Reset Sensor Data

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Installation & Servicing Instructions Rinnai E-Series

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Rinnai E75CP, E110CP, E75CN, E110CN user manual Content

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.