DeLonghi WIR1 User Manual

THERMOSTATICALLY CONTROLLED WALL MOUNTED
UNVENTED GAS HEATER WIR1-WIR2
(Equipped with Pilot Light Safety System)
WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result caus-
ing property damage, personal injury, or loss of life.
- 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
- 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 instructions.
- If you cannot reach your gas supplier, call the fire
department.
- Installation and service must be performed by a
qualified installer, service agency, or the gas suppli-
er.
WARNING: Improper
installation,adjustment, alteration,
service, or maintenance can cause
injury or property damage. Refer
to this manual for correct installa-
tion and operational procedures.
For assistance or additional infor-
mation consult a qualified installer,
service agency, or the gas supplier.
WARNING: This is an unvented
gas-fired heater. It uses air (oxy-
gen) from the room in which it is
installed. Provisions for adequate
combustion and ventilation air must
be provided. Refer to Air for
Combustion and Ventilation section
on page 4 of this manual.
This appliance may be installed in an aftermarket*, permanently located, manufactured
(mobile) home, not prohibited by local codes. This appliance is only for use with the type of
gas indicated on the rating plate. This appliance is not convertible for use with other gases.
* Aftermarket: completion of sale, not for purpose of resale, from the manufacturer
SAVE THIS MANUAL FOR FUTURE REFERENCE
WIR 2 26-06-2003 18:21 Pagina 1

DeLonghi WIR1 Specifications

General

Brand	DeLonghi
Model	WIR1
Category	Gas Heater
Language	English

Summary

General Safety and Operation Guidelines

Fire, Explosion, and Injury Prevention

Strict adherence to manual prevents fire/explosion, property damage, injury, or death.

Handling Flammable Materials and Gas Leaks

Avoid flammable vapors and follow gas leak procedures.

Professional Installation and Ventilation Needs

Emphasizes qualified service and adequate ventilation for unvented heaters.

Detailed Safety Information

Importance of Owner's Manual

Read manual carefully before assembly, operation, or service.

Carbon Monoxide Poisoning Risks

Details symptoms, risks, and vulnerable individuals for CO poisoning.

Installation Requirements and Local Codes

Gas Type and Location Restrictions

Use correct gas type, avoid bedrooms/bathrooms, and follow gas leak procedures.

Control Knob Operation and Gas Safety

Proper control knob use and immediate gas leak response procedures.

Air for Combustion and Ventilation Needs

Importance of fresh air for proper combustion and ODS function.

Product Features and Ventilation Overview

Safety Devices: ODS and Pilot

Overview of pilot light and Oxygen Depletion Sensing (ODS) system.

Providing Adequate Ventilation

Explains the essential need for fresh air for fuel-burning appliances.

Determining Ventilation Requirements

Confined vs. Unconfined Space Definition

Definitions based on volume per BTU/Hr input for safe operation.

Calculating Fresh-Air Flow Needs

Worksheet to calculate space volume and maximum BTU/Hr support.

Determining Space BTU/Hr Capacity

Steps to calculate the maximum BTU/Hr a space can safely support.

Heater Installation Procedures

Installation Warnings and Prohibitions

Prohibits installation in bathrooms, RVs, near flammables.

Gas Supply and Mounting

Connecting to Gas Supply

Requirements for safely connecting the appliance to the gas line.

Propane/LP Gas Regulator Requirements

Need for an external regulator for propane/LP gas systems.

Gas Piping and Leak Detection

Gas Connection Leak Testing Procedures

Procedures for testing gas piping and connections for leaks.

Gas Connection Testing Procedures

Supply Piping Pressure Testing

Testing supply piping system pressures less than 1/2 PSIG.

Heater Gas Connection Testing

Operating the Heater Safely

Safety Checks Before Lighting

Gas Leak Emergency Procedures

Step-by-Step Pilot Lighting Instructions

Troubleshooting Common Issues

Heater Produces Unwanted Odors

Heater Shuts Off Unexpectedly

Burner Backfiring or Gas Odor

Troubleshooting Ignition and Pilot Problems

Ignitor Spark Generation Issues

Pilot Light Extinguishing After Release

Spark Present, Pilot Fails to Ignite

Troubleshooting Burner Performance

Burner Ignition Failure or Delay

Burner Backfiring and Plaque Issues