Rinnai RL94i REU-VC2837FFUD-US User Manual

DirectVentTanklessWaterHeater
InstallaƟonandOperaƟonManual
— Donotstoreorusegasolineorotherflammablevaporsandliquidsinthevicinityofthisoranyother
appliance.
— WHATTODOIFYOUSMELLGAS
x Donottrytolightanyappliance.
x Donottouchanyelectricalswitch;donotuseanyphoneinyourbuilding.
x Immediatelycallyourgassupplierfromaneighbor’sphone.Followthegassupplier’sinstrucƟons.
x Ifyoucannotreachyourgassupplier,callthefiredepartment.
— InstallaƟonandservicemustbeperformedbyalicensedprofessional.
ThisenƟremanualmustbeleŌfortheconsumer.Theconsumermustreadand
refertothismanualforproperoperaƟonandtomaintainthewaterheater.
IftheinformaƟonintheseinstrucƟonsisnotfollowedexactly,afireorexplosion
mayresultcausingpropertydamage,personalinjuryordeath.
WARNING
READALLOFTHEINSTRUCTIONSTHOROUGHLYBEFOREINSTALLINGOROPERATINGTHISWATERHEATER.
ThismanualprovidesinformaƟonontheinstallaƟon,operaƟon,andmaintenanceofthewaterheater.Forproper
operaƟonandsafety,itisimportanttofollowtheinstrucƟonsandadheretothesafetyprecauƟons.
Alicensedprofessionalmustinstallthewaterheater accordingtotheexact
instrucƟonsonpages4Ͳ30.
TheconsumermustreadtheenƟremanualtoproperlyoperatethewaterheaterandtohaveregularmaintenance
performed.
ANSZ21.10.3භCSA4.3
FORINDOORAPPLICATIONSONLY
RL75i.....................REUͲVC2528FFUDͲUS
 REUͲVC2528FFUD(A)ͲUS
RL94i.....................REUͲVC2837FFUDͲUS
FOROUTDOORAPPLICATIONSONLY
RL75e....................REUͲVC2528WDͲUS
 REUͲVC2528WD(A)ͲUS
RL94e....................REUͲVC2837WDͲUS

Rinnai RL94i REU-VC2837FFUD-US Specifications

General

Type	Tankless
Fuel Type	Natural Gas
Installation	Indoor
Energy Factor	0.82
Max BTU	199, 000
Max Flow Rate	9.4 GPM
Activation Flow Rate	0.4 GPM
Temperature Range	98°F to 140°F
Temperature Range with MCC-91 controller	98°F to 185°F
Electrical Requirements	120V AC
Ignition Type	Electronic
Warranty	12 years heat exchanger, 5 years parts, 1 year labor

Summary

Installation Instructions

Installer Qualifications

Preparation and Location

Venting and Clearances

Details vent termination clearances and maximum vent length requirements.

Plumbing and Gas Supply

Covers installation of plumbing, pressure relief valve, gas supply, and pipe sizing.

Electrical Connections and Controls

Instructions for electrical connections, altitude adjustments, and temperature controller installation.

Final Installation Checklist

Safety Behaviors and Practices

General Safety Precautions

Important safety behaviors for consumers and installers, including gas leak procedures.

Operation Instructions

Getting Started Safely

Key information, facts, and gas leak procedures for safe operation.

Using the Water Heater and Controls

Temperature Settings and Diagnostics

Recirculation Mode

Pump Setup and Operation

Required Maintenance

Scale Management and Draining

Warranty Information

Extending Labor Coverage

Warranty Coverage and Exclusions

Details what is covered, duration, service procedures, and warranty exclusions.