Rinnai REB-A3558FF-US User Manual

Rinnai I-Series Condensing Boiler Combi Manual
Central Heang and Domesc Hot Water
INSTALLATION AND OPERATION MANUAL
I-Series Condensing Boiler
Wall-Mounted, Gas-Fired Combi Boiler
Cered to ANSI Z21.13
and CSA 4.9
COMBI MODELS
i060C (REB-A1847FF-US)
i090C (REB-A2647FF-US)
i120C (REB-A3558FF-US)
READ AND SAVE THIS MANUAL
If the informaon in these instrucons are not followed exactly, a re or explosion may
result causing property damage, personal injury, or loss of life.
 Do not store or use gasoline or other ammable vapors and liquids in the vicinity of this or any other appliance.
 WHAT TO DO IF YOU SMELL GAS
 Do not try to light any appliance.
 Do not touch any electrical switch; do not use any phone in your building.
 Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instrucons.
 If you cannot reach your gas supplier, call the re department.
 Installaon and service must be performed by a qualied installer, service agency or the gas supplier.
WARNING
K H167-0771-1(00)

Rinnai REB-A3558FF-US Specifications

General

Model	REB-A3558FF-US
Category	Boiler
Fuel Type	Natural Gas
Efficiency	95%
Vent Type	Direct Vent
Vent Diameter	2"
Warranty	12 years heat exchanger, 5 years parts
Water Connection Size	3/4 inch

Summary

Safety

Safety Symbols

Explanation of hazard alert symbols used in the manual for safety.

Safety Precautions

Essential safety guidelines for boiler operation and installation.

Installation

Installation Guidelines

General rules and standards for installing the condensing boiler.

Choose an Installation Location

Covers site selection criteria including water quality, environment, clearances, and location checklist.

Mount the Boiler to the Wall

Step-by-step instructions for securely mounting the boiler on a wall.

Venting

Venting Installation Sequence

Termination Considerations

Gas Supply

Connect the Gas Supply

Steps and precautions for connecting the natural gas or propane supply.

Gas Operating Instructions

Procedures for safely starting and operating the boiler on gas.

DHW System Piping

CH System Piping

Guidelines

Hydraulic Separation

Connect Pressure Relief Valves (DHW and CH)

Procedure for correctly installing pressure relief valves for safety.

Connect Condensate Drain Line

Instructions for properly routing and connecting the condensate drain line.

Power Supply

Guidelines

Safety and connection guidelines for the boiler's electrical power supply.

Electrical Connections

Commissioning

Safety Precautions

Safety measures to follow during the boiler commissioning process.

Filling Process

Deaeration Process

Procedure for removing air from the system to ensure proper operation.

Post-Installation Checklist

Post-Installation Checklist

Comprehensive checklist to ensure all installation steps are completed correctly.

Operation

Start-Up Information

Initial steps and considerations for starting the boiler for the first time.

Control Panel

Basic Operation Settings

How to adjust basic settings like DHW and CH temperatures.

Parameter Settings

Guide to configuring advanced boiler parameters via DIP switches and controller.

Outdoor Reset Control

Diagnostic Codes

List and explanation of error codes for troubleshooting boiler issues.

Maintenance

Licensed Professional Maintenance

Scheduled maintenance tasks requiring a qualified technician.

Test Ignition Safety Shut Off Device

Appendices

Gas Conversion

Instructions for converting the boiler from natural gas to propane.