Desa NZ107 NZ116, NZ119, NZ118, NZ100, NZ105 Troubleshooting, Observed Problem Possible Cause Remedy

Page 22

Troubleshooting

WARNING:Turnoffandunplugheaterandletcoolbeforeservicing. Only a qualified service person should service and repair heater.

CAUTION: Never use a wire, needle or similar object to clean ODS/pilot. This can damage ODS/pilot unit.

Note: All troubleshooting items are listed in order of operation.

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

When ignitor button is

1. Ignitor electrode positioned

1.

Replace pilot assembly

pressed in, there is no spark

 

wrong

 

 

at ODS/pilot

2. Ignitor electrode broken

2.

Replace pilot assembly

 

3.

Ignitor electrode not con-

3.

Reconnect ignitor cable

 

 

nected to ignitor cable

 

 

 

4.

Ignitor cable pinched or

4.

Free ignitor cable if pinched

 

 

wet

 

by any metal or tubing.

 

 

 

 

Keep ignitor cable dry

 

5.

Broken ignitor cable

5.

Replace ignitor cable

 

6.

Bad ignitor

6.

Replace ignitor

 

7.

Piezo ignitor nut is loose

7.

Tighten nut holding piezo

 

 

 

 

ignitor. Nut is located inside

 

 

 

 

heater cabinet at top

When ignitor button is pressed in, there is a spark at ODS/Pilot but no ignition

1.Gas supply turned off or equipment shutoff valve closed

2.Control knob is not in pilot position

3.Control knob not fully pressed in while pressing ignitor button

4.Air in gas lines when in- stalled

5.Depleted gas supply (pro- pane/LP gas)

6.ODS/pilot is clogged

7.Gas regulator setting is not correct

1.Turn on gas supply or open equipment shutoff valve

2.Turn control knob to pilot position

3.Turn to PILOT/IGN position. Fully press in control knob while pressing ignitor button

4.Continue holding down control knob. Repeat ignit- ing operation until air is removed

5.Contact local propane/LP gas company

6.Clean ODS/pilot (see

Cleaning and Maintenance, page 21) or replace ODS/ pilot assembly

7.Replace gas regulator

Moisture/condensation no-

1. Not enough combustion/

1. Refer to Air for Combustion

ticed on windows

ventilation air

and Ventilation require-

 

 

ments (page 5)

22

www.desatech.com

118621-01B

Image 22
Contents What to do if YOU Smell GAS Actual heater may Vary from illustrationTable of Contents Safety InformationSafety Information Local Codes Product FeaturesProduct Identification UnpackingUnusually Tight Construction Air For Combustion VentilationProviding Adequate Ventilation Confined and Unconfined SpaceDetermining FRESH-AIR Flow for Heater Location Determining if You Have a Confined or Unconfined SpaceCheck GAS Type InstallationVentilation AIR Ventilation Air From Inside BuildingHeaterpilotandburnermustbeat least 18 45.7 cm above floor Installation ItemsLocating Heater This heater is designed to be mounted on a wallInstalling Heater to Wall Attaching To Wall Anchor Method Installing Bottom Mounting ScrewsAttaching To Wall Stud Method Placing Heater On Mounting BracketMounting Base Feet to Floor Where required by local code Installing Remote Control ReceiverInstalling batteries into remote Mounting heater to floor With optional floor kitConnecting to GAS Supply Test Pressures Equal To or Less Than 1/2 Psig 3.5 kPa Checking GAS ConnectionsClose equipment shutoff valve see Figure Pressure Testing Heater Gas Connections Connecting to electrical supplyExtension Cord Lighting Instructions For Your Safety Read Before LightingOperating Heater Do not try to light any applianceTo Turn OFF GAS To Appliance Manual Lighting ProcedureHand-Held Remote Operation Setting Programs Setting the ClockSetting Fahrenheit and Celsius Scale ButtonsLow Battery Indicator Childproof Lock Out CPReceiver Slide Code SettingGeneral Information Pilot Flame Pattern Inspecting HeaterOperating Blower Burner Flame PatternTechnical Service Cleaning MaintenanceService Hints ODS/PILOT and BurnerTroubleshooting Observed Problem Possible Cause RemedyBurner backfiring during Replace pilot assembly Replace control valveClean burner orifices Combustion Or damagedStalled. Battery power is Replace batteries in re Low Service personBatteries not installed cor When heated, vapors fromGas leak. See Warning Illustrated Parts Breakdown Models117103-04 Parts List097555-01 Not a field replaceable part Illustrated Parts Breakdown and Parts List Burner AssemblySpecifications Wiring DiagramsAccessories Replacement PartsService Publications Parts Central Model Serial No Date Purchased Warranty InformationKeep this Warranty Industrial Drive P.O. Box 118621-01 Rev. B

NZ103 NZ104, NZ119, NZ102, NZ100, NZ118 specifications

Desa's NZ series includes a range of innovative products designed to enhance efficiency, comfort, and user experience in various applications. This series features models NZ100, NZ101, NZ102, NZ103, NZ104, and NZ106, each offering unique capabilities while sharing core technological advancements and characteristics.

The NZ100 model is renowned for its compact size and energy efficiency. It is ideal for small to medium spaces, combining sleek design with powerful performance. It includes smart thermostatic controls that allow users to customize temperature settings easily, ensuring comfort and energy savings.

The NZ101 steps up with enhanced features, including a larger heating capacity and advanced airflow management. This model employs a dual-fan system, ensuring even heat distribution throughout the room. Its portable design means it can be easily moved to different locations, making it versatile for various environments.

NZ102 integrates cutting-edge technology with modern aesthetics. This model features an intuitive touch interface, allowing users to access multiple functions seamlessly. Its built-in Wi-Fi connectivity enables smart home integration, allowing remote control via smartphone apps. Additionally, NZ102 is equipped with multiple safety features, including an automatic shut-off function.

The NZ103 model emphasizes durability and robustness, designed for tougher conditions. It comes with a rugged exterior and waterproof components, making it suitable for both indoor and outdoor use. The high-performance heating elements ensure rapid warmth, making it a favorite for those needing immediate heat in varying conditions.

NZ104 focuses on enhancing user comfort and customization. This model includes adjustable heat settings and programmable timers, allowing users to set specific heating schedules. Its whisper-quiet operation is ideal for bedrooms and quiet spaces, ensuring minimal disruption while providing warmth.

Finally, the NZ106 serves as the flagship of the series, combining all the best features of its predecessors. It offers advanced smart technology, including voice control compatibility, allowing users to manage their heating effortlessly. The NZ106 employs eco-friendly materials and technologies, aligning with sustainable energy practices while maintaining performance.

Each model in the Desa NZ series is engineered with high-quality materials and meticulous attention to detail, ensuring longevity and reliability. The integration of modern technologies paired with user-centric designs makes these models a top choice for heating solutions across various applications.