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Rinnai Infinity HD50i User Manual

Rinnai Infinity HD50i
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Installation and User Manual
Infinity 26i and HD50i
Infinity 26i and HD50i
Continuous Flow Water Heater
Important.
Read these instructions carefully before attempting installation or use of
this appliance. All work must be carried out by competent persons.

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Rinnai Infinity HD50i Specifications

General IconGeneral
Energy Efficiency/Star RatingENERGY STAR Certified
Maximum Water Pressure150 psi
TypeTankless
Energy Source/Gas TypeNatural Gas
Minimum Input15, 000 BTU/hr
Temperature Range98°F - 140°F
Electrical Requirements120V
Ignition SystemElectronic

Summary

Rinnai UK Warranty

Definition of Standard Use

Explains warranty for domestic and light commercial use.

Definition of Commercial Use

Defines commercial use for HD range and specific applications.

Water Quality Guidelines

Recommended maximum levels for water quality parameters to prevent damage.

Unpacking Rinnai Water Heater

Installation Instructions

Important Information

Key safety regulations and compliance requirements for installation.

Appliance Location

Guidance on optimal placement to minimise delay and ensure accessibility.

Positioning

Details on mounting requirements, clearances, and terminal placement.

Ventilation

Requirements for permanent ventilation when installing in a compartment.

Connections

Guidance on water, gas, and electrical connections, including pipe sizes.

Flue Requirements

Positioning

Specifies clearances for flue terminals based on location.

Installing

Covers flue installation, length limits, bends, and condensate drains.

Dimensions

Technical Details

Features and Benefits

Important Information

Safety Warnings

Critical safety advice regarding hot water temperatures and child safety.

Operational Notes

Advice on checking temperature, frost protection, and flue outlet safety.

Operation Without Remotes

Temperature Controls

General Information

Points to consider when deciding on temperature control positions.

Installation

Steps for installing the Universal Temperature Controller MC-91-1A.

Connecting Controllers

How to connect one, three, or four temperature controllers.

Controller Settings

Available temperature settings for Universal and Deluxe controllers.

Suggested Temperatures

Recommended temperature ranges for kitchen, shower, and bath use.

Operating Controls

Explanation of digital monitor, indicators, and buttons on the controller.

Using 1 Controller

Step-by-step guide for using a single temperature controller.

Using Multiple Controllers

Instructions for operating with two or more temperature controllers.

Using 4 Controllers

Specific steps to activate and use four temperature controllers.

High Temperature Display

How to program the master controller for temperatures above 50°C.

Turning Off System

Procedure to turn off the hot water system using controllers.

Information & Safety

Details on priority switching, cleaning, and temperature variations.

Testing

Gas Pressure Setting

Dip Switch Setting

Error Messages

Troubleshooting without Controllers

Common faults and remedies when no temperature controllers are fitted.

Installations with Circulation Pumps

Specific considerations for systems with circulation pumps.

Restarting the Rinnai Water Heater

Wiring Diagram

Diagnostic Points

Specification

Service Contact

Commissioning Check List

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