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Enviro S50 - User Manual

Enviro S50
60 pages
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1
OWNER’S MANUAL
50-4194
WARNING: If the information in this manual is not followed exactly, a
re or explosion may result causing property damage, personal injury
or loss of life. Installation and service must be performed by a qualied
installer, service agency or the gas supplier.
Version Française: www.enviro.com/fr.html
WARRANTY REGISTRATION
enviro.com/warranty
S50/S50-820
FREESTANDING GAS FIREPLACE
C#4001609
CERTIFIED TO/CERTIFIÉ AUX: ANSI Z21.88 / CSA2.33 / CSA 2.17

Table of Contents

Other manuals for Enviro S50

Preview: Instruction Manual
Instruction Manual15 pages

Questions and Answers

  • H
    Heather CantrellJul 27, 2025
    What to do if Enviro Indoor Fireplace main burner does not ignite?
    • K
      Kari GilmoreJul 27, 2025
      If the main burner on your Enviro Indoor Fireplace isn't igniting even with the pilot lit, first, make sure the gas control knob is in the “ON” position and the burner switch is also ON or in the center thermostat position; check the switch for continuity. If that's not the issue, the thermostat might not be calling for heat; try adjusting it several degrees below the room temperature. Finally, there could be a problem with the gas valve itself. Use a DC voltmeter to measure the voltage across the TPTH and TP terminals. A healthy main operator voltage should read ? 325mV on an open circuit and ? 100mV on a closed circuit. If the voltage isn't right, you may need to replace the thermopile.
  • K
    Keith DavidsonAug 9, 2025
    What causes the burners to not remain lit on an Enviro Indoor Fireplace?
    • C
      Caitlin RodriguezAug 9, 2025
      If the burners on your Enviro Indoor Fireplace won't stay lit, it might be due to a problem with the thermopile circuit. Check the gas line pressure and ensure that both the main flame and the pilot flame have healthy characteristics. Also, check the thermopile for a minimum of 300 mV when the burner is switched on, and verify that the thermopile polarity is correct (especially for the 821 valve).
  • T
    Timothy RodriguezAug 13, 2025
    Why is the flame lifting on my Enviro Indoor Fireplace?
    • J
      joshuamurilloAug 13, 2025
      If you're seeing flame lifting on your Enviro Indoor Fireplace, there are a few potential causes. First, check for any leaks in the vent connections. It's also possible that there's trouble establishing a proper draft; in this case, check the vent configuration against the manual, as the exhaust might be over-restricted or the burner air supply could be obstructed. Finally, windy outdoor conditions can sometimes cause this issue. Check to see if the termination is correctly installed, ensure an approved high wind termination cap is used, and consider installing a high wind guard.
  • F
    Francisco GalvanAug 18, 2025
    How to troubleshoot difficulty mounting door frame on Enviro Indoor Fireplace?
    • K
      Kathryn FloydAug 18, 2025
      If you're having difficulty mounting the door frame on your Enviro Indoor Fireplace, it could be due to a couple of reasons. First, check that the curved glass is properly clamped; reseat it by fully clamping the front before the sides. Also, make sure the door frame hooks are seating correctly by following the 2-stage procedure using the different hook receiver steps.
  • R
    rodneysmithAug 22, 2025
    How to fix blue flames on Enviro Indoor Fireplace?
    • R
      Regina BakerAug 22, 2025
      To address blue flames long after warm-up in your Enviro Indoor Fireplace, adjust the air shutter and/or exhaust restrictor.
  • K
    karentateOct 31, 2025
    Why does the pilot light keep going out on my Enviro Indoor Fireplace?
    • M
      Michele KennedyOct 31, 2025
      If the pilot light on your Enviro Indoor Fireplace won't stay lit, it could be due to a few reasons. One possibility is the 7-Day Shutdown feature (though this doesn't apply to the S50-820 model). If the pilot has been running continuously for 7 days without the main burner being used, the system might shut it off. Try turning the fireplace ON to reset the pilot timer. Another potential cause is an issue with the thermocouple circuit. Ensure the polarity of the thermopile is correct, especially if the charge time seems excessive. Check the thermocouple voltage at the valve; it should be greater than 5 mV. If it's low, you might need to replace the thermocouple. Also, make sure the pilot flame fully surrounds the thermocouple. If the flame is too small, check the gas pressure, adjust the pi...
  • C
    Christopher JonesNov 4, 2025
    How to fix Enviro Indoor Fireplace spark ignitor that won't light the pilot?
    • S
      scottwarrenNov 4, 2025
      If the spark on your Enviro Indoor Fireplace won't light the pilot after pressing the spark ignitor repeatedly, there are several things to check. First, inspect the connections to the ignitor itself. If the connections are good but there's still no spark, you might need to replace the ignitor. Visually check for a spark. Also, the electrode might be broken or misaligned. Look for any broken ceramic insulation and replace the electrode if necessary. If the spark isn't arcing from the electrode to the pilot, adjust the electrode rod distance, keeping in mind that closer isn't always better. Finally, make sure pilot gas is actually flowing. Ensure the pilot knob is pushed all the way down while pressing the piezo ignitor. Check the gas pressure at the valve ports and remove the pilot head to...

Summary

Safety Precautions and Warnings

Fire or Explosion Hazard Warning

Critical safety warning regarding fire or explosion risks.

Gas Leak Detection and Emergency Response

Emergency procedure for detecting gas leaks and required actions.

Installation and Service Requirements

Guidelines for qualified personnel performing installation and service.

Installer and Consumer Manual Retention

Instructions for installers and consumers regarding manual retention.

General Safety Guidelines

High Temperature and Burn Hazards

Alerts about high surface temperatures and burn risks, especially for children.

Danger: Hot Glass Warning

Explicit danger warning about touching hot glass surfaces.

Safe Operation and Venting Practices

Safety advice for proper installation and operation, including vent systems.

Codes and Approvals

Altitude Installation Guidelines

Specifics for installing the appliance at various altitudes in the USA and Canada.

Intertek Tested Standards and Certifications

Details of standards and certifications the appliance meets.

S50 Fireplace Specifics

Approved fuel types, installation locations, and venting requirements.

Appliance Specifications

Unit Dimensions

Provides the physical measurements of the fireplace unit.

Rating Label and Lighting Location

Identifies the location of the rating label and lighting instructions booklet.

Operating Instructions

Lighting and Turning Off Procedures

Step-by-step guide for safely lighting and turning off the fireplace.

Gas Leak Detection and Emergency Response

Critical safety steps to follow if a gas leak is detected.

Gas Valve Operation

Instructions on how to operate the gas control knob and valve.

Manual Ignition and Gas Control

Manual Lighting Sequence

Detailed steps for manual ignition of the pilot and main burner.

Gas Supply Shut-off Procedure

Procedure for turning off the gas supply to the appliance.

Pilot and Air Shutter Adjustments

Pilot Light Operation

Guidance on lighting and maintaining the pilot flame.

Air Shutter Adjustment for Flame Appearance

How to adjust the air shutter for optimal flame appearance and combustion.

Control Panel and Burner Operation

Control Panel Overview and Operation

Overview of controls and how to operate the burner and flame height.

Burner Ignition and Shut-off Steps

Steps for lighting the main burner and turning it off.

Maintenance and Service

Routine Maintenance Schedule and Cleaning

Annual checks for burner, pilot, and venting system cleanliness and function.

Cleaning Decorative Surfaces and Glass

Recommended methods for cleaning surfaces and the fireplace glass.

Top Plate and Safety Screen Maintenance

Lifting the Top Plate for Servicing

Step-by-step guide on how to lift the top plate for servicing, with safety warnings.

Safety Screen Removal and Attachment

Instructions for removing and reattaching the safety screen, with care tips.

Door Frame and Skirt Removal

Door Frame Removal and Mounting

Detailed steps for removing and mounting the door frame/skirt assembly.

Front and Rear Skirt Removal

Procedures for removing the front and rear decorative skirt panels.

Glass and Rear Chassis Maintenance

Glass Removal and Replacement

Instructions for safely removing and reinstalling the curved fireplace glass.

Rear Chassis Removal

Step-by-step guide for detaching and removing the rear chassis of the unit.

Component Replacement Procedures

Top Light Bulb Replacement

Procedures for replacing the top light bulb, including safety precautions.

Optional Fan Kit Replacement

Instructions for replacing the optional circulation fan kit.

Top Plate Components

Top Plate Fascia Band Removal

Steps to remove the fascia band around the top plate.

Detaching Top Plate Hinges and Tension Cable

Instructions for safely detaching hinges and disconnecting the tension cable.

Burner Assembly and Fuel Conversion

Burner Removal and Inspection

Steps for removing the burner for seasonal inspection and cleaning.

Fuel Conversion Procedure Overview

Instructions for converting the appliance between Natural Gas and Propane.

Fuel Conversion Details

Pilot and Burner Orifice Conversion

Detailed steps for converting the pilot and main burner orifices.

SIT Gas Valve Conversion Steps

Specific instructions for converting the SIT gas valve for fuel type.

Post-Conversion Checks and Altitude Adjustments

Procedures for reassembly, leak testing, and altitude de-rating.

Initial Installation Overview

Installation Preparation and Site Check

Steps for unpacking, checking for damage, and preparing the installation site.

Clearance to Combustibles Requirements

Required minimum clearances from the unit to surrounding combustible materials.

Venting Requirements and Configurations

Direct Vent System Specifications

Guidelines for the direct vent system, including pipe length and termination.

Vent Pipe Clearances to Combustibles

Minimum clearances required around vent pipes to combustibles.

Vent Part Number Reference

Table listing vent part numbers for different manufacturers and systems.

Vent Termination and Installation

Vent Termination Restrictions and Clearances

Specifies required clearances and restrictions for vent termination locations.

Exhaust Restrictor Settings

Instructions on adjusting the internal exhaust restrictor for optimal performance.

Minimum Top Vent Configurations

Table and diagram showing minimum allowable top venting setups.

Natural Gas (NG) Top Vent Diagrams

Diagrams illustrating allowable top vent configurations for Natural Gas.

Rear Vent and Horizontal;Vertical Termination

Minimum Rear Vent Configurations

Table and diagram showing minimum allowable rear venting setups.

Rear Vent Corner Installation Specifics

Specific considerations for rear vent installations in a corner configuration.

Horizontal Vent Termination Procedure

Guidelines and procedures for terminating the vent horizontally through a wall.

Vertical Vent Termination Procedure

Instructions for terminating the vent vertically through a ceiling, roof, and flashing.

Vertical Venting Notes and Connections

Minimum Height Requirements Table

Table specifying minimum vent height based on roof pitch for vertical terminations.

Venting Notes and Multi-story Installations

Important notes on offsets, elbow types, and ceiling firestops for vertical venting.

Gas Line Connection and Pressure Requirements

Procedures for connecting the gas line and checking pressure, with BTU information.

Electrical, Pedestal, and Mobile Home Installation

Electrical Requirements and Grounding

Guidelines for electrical connections, grounding, and power requirements.

Top Plate Collar Installation

Steps for installing the top plate collar for vent connection aesthetics.

Pedestal Installation Overview and Types

General instructions for pedestal installation, including types and anchoring.

Mobile Home Installation Guidelines

Guidelines for securely fastening the unit to the floor in a mobile home.

Vent Conversion and Connection Rerouting

Rear Vent Conversion Procedure Steps

Step-by-step instructions for converting the fireplace from top venting to rear venting.

Relocating Gas and Electrical Connections

Options and steps for rerouting gas and electrical connections through the pedestal.

Secondary Installation Procedures

Log Set Installation

Step-by-step guide for arranging the logs on the burner for proper flame appearance.

Media Installation Procedure

Instructions for placing decorative media on the burner platform.

Troubleshooting Common Issues

Problem, Cause, and Solution Guide

Table outlining common issues, their causes, and corrective actions.

Parts List and Diagrams

Component Reference Numbers and Descriptions

A list of all parts with reference numbers, descriptions, and part numbers.

Illustrated Parts Diagram

An illustrated diagram showing the location of numbered parts.

Wiring Schematic

Electrical Diagram and Safety Notes

Visual representation of electrical connections and important safety precautions.

Warranty Information

Warranty Conditions, Exclusions, and Registration

Terms, conditions, exclusions, and requirements for the product warranty.

Dealer and Distributor Responsibilities

Roles and information required from dealers and distributors for warranty claims.

Installation Data Sheet

Owner, Dealer, and Installer Information Fields

Fields to record essential installation and purchase details for warranty.

Enviro S50 Specifications

General IconGeneral
BrandEnviro
ModelS50
CategoryIndoor Fireplace
LanguageEnglish

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