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Rinnai REU-VCM2837FFUDHD-E User Manual

Rinnai REU-VCM2837FFUDHD-E
60 pages
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Installation and User
Manual
REU-VCM2837FFUDHD-E
HD55i Low NOx
REU-VCM2837WDHD-E
HD55e Low NOx
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 REU-VCM2837FFUDHD-E Specifications

General IconGeneral
CategoryWater Heater
BrandRinnai
ModelREU-VCM2837FFUDHD-E
TypeTankless
Fuel TypeNatural Gas
Weight50 lbs
Thermal Efficiency95%
Ignition TypeElectronic
VentingDirect Vent
Heating Capacity199, 000 BTU/h
Warranty12 years

Summary

USERS INSTRUCTIONS

User Responsibilities

Outlines the user's duties and restrictions for operating the water heater safely and correctly.

Emergency Gas Procedure

Provides critical steps to take immediately if smelling gas, emphasizing safety and evacuation.

IMPORTANT INFORMATION

Scalding Hazard and Prevention

Details the dangers of hot water and provides essential safety measures to prevent scalding, especially for vulnerable users.

Safe Hot Water Usage Practices

Lists crucial "DO" and "DO NOT" actions for users to ensure safe operation and prevent accidents.

OPERATION WITHOUT REMOTES

TEMPERATURE CONTROLS

General Temperature Control Overview

Introduces temperature controllers, their purpose, and the types available for localized hot water control.

Operating the Water Heater with Controllers

Guides users on activating controllers, adjusting temperatures, and turning the system on and off.

Temperature Control Safety Limitations

Explains safety features like temperature priority switching and automatic temperature reduction to 50°C.

ERROR MESSAGES

Error Code Reference and Solutions

Lists error codes, their definitions, and remedies, often requiring professional assistance.

RECIRCULATION MODE

Recirculation System Installation

Details pump requirements, sizing, and the step-by-step installation process for the recirculation pump.

INSTALLATION INSTRUCTIONS

UK INSTALLATION INSTRUCTIONS

Legal and Regulatory Compliance

Outlines UK regulations, gas safety laws, building codes, and electrical standards installers must follow.

OPERATION

MAIN COMPONENTS

INSTALLATION INSTRUCTIONS

FLUE REQUIREMENTS

CONDENSATE DISPOSAL

TESTING

Pre-Operation Testing and Safety Checks

Outlines the essential testing procedures before final operation, including leak tests, gas pressure checks, and controller verification.

GAS PRESSURE SETTING

Verifying Gas Pressure and Initial Setup

Guides on checking gas type, setting dip switches, and preparing for gas pressure calibration.

DIP SWITCH SETTING

TECHNICAL DETAILS

WIRING DIAGRAM

DIAGNOSTIC POINTS

COMMISSIONING CHECK LIST

COMMISSIONING SHEET

MAINTENANCE

Appliance Cleaning and Component Care

Covers cleaning procedures for appliance surfaces, burners, motors, and temperature controllers, plus vent system inspection.

Heat Exchanger Flushing and Flame Inspection

Details procedures for flushing the heat exchanger to prevent scale and visually inspecting the flame for correct operation.

UK WARRANTY

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