Vanguard Heating VMH3000TPA Troubleshooting, Pilot assembly, After ODS/pilot lights, keep control

Page 16

®

PROPANE/LP GAS RESIDENTIAL HEATERS

TROUBLESHOOTING

Note: For additional help, visit DESA International’s technical service web site at www.desatech.com.

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

WARNING: Turn off and un- plug heater and let cool before servicing. Only a qualified ser- vice 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.

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

When ignitor button is pressed, there is no

1.

Ignitor electrode positioned wrong

1.

Replace ignitor

spark at ODS/pilot

2.

Ignitor electrode broken

2.

Replace ignitor

 

3.

Ignitor electrode not connected to igni-

3.

Reconnect ignitor cable

 

 

tor cable

 

 

 

4.

Ignitor cable pinched or wet

4.

Free ignitor cable if pinched by any

 

 

 

 

metal or tubing. Keep ignitor cable dry

 

5.

Piezo ignitor nut is loose

5.

Tighten nut holding piezo ignitor to

 

 

 

 

heater cabinet. Nut is located inside

 

 

 

 

heater cabinet at top

 

6.

Broken ignitor cable

6.

Replace ignitor cable

 

7.

Bad piezo ignitor

7.

Replace piezo ignitor

 

 

 

 

 

When ignitor button is pressed, there is

1.

Gas supply turned off or equipment

1.

Turn on gas supply or open equipment

spark at ODS/pilot but no ignition

 

shutoff valve closed

 

shutoff valve

 

2.

Control knob not in PILOT position

2.

Turn control knob to PILOT position

 

3.

Control knob not pressed in while in

3.

Press in control knob while in PILOT

 

 

PILOT position

 

position

 

4.

Air in gas lines when installed

4.

Continue holding down control knob. Re-

 

 

 

 

peat igniting operation until air is removed

 

5.

Depleted gas supply

5.

Contact local propane/LP gas company

 

6.

ODS/pilot is clogged

6.

Clean ODS/pilot (see Cleaning and

 

 

 

 

Maintenance, page 19) or replace ODS/

 

 

 

 

pilot assembly

 

7.

Gas regulator setting is not correct

7.

Replace gas regulator

 

 

 

 

 

ODS/pilot lights but flame goes out when

1.

Control knob not fully pressed in

1.

Press in control knob fully

control knob is released

2.

Control knob not pressed in long enough

2.

After ODS/pilot lights, keep control

 

 

 

 

knob pressed in 30 seconds

 

3.

Safety interlock system has been trig-

3.

Wait one minute for safety interlock sys-

 

 

gered

 

tem to reset. Repeat ignition operation

 

4.

Equipment shutoff valve not fully open

4.

Fully open equipment shutoff valve

 

5.

Thermocouple connection loose at con-

5.

Hand tighten until snug, then tighten

 

 

trol valve

 

1/4 turn more

 

6.

Pilot flame not touching thermocouple,

6.

A) Contact local propane/LP company

 

 

which allows thermocouple to cool,

 

 

 

 

causing pilot flame to go out. This prob-

 

B) Clean ODS/pilot (see Cleaning and

 

 

lem could be caused by one or both of

 

Maintenance, page 19) or replace ODS/

 

 

the following:

 

pilot assembly

 

 

A) Low gas pressure

 

 

 

 

B) Dirty or partially clogged ODS/pilot

 

 

 

7.

Thermocouple damaged

7.

Replace thermocouple

 

8.

Control valve damaged

8.

Replace control valve

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For more information, visit www.desatech.com

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Contents VENT-FREE PROPANE/LP GAS MINI-HEARTHHEATER What to do if YOU Smell GASSafety Information Local CodesAssembly Product FeaturesProduct Identification UnpackingAssembling and Attaching Brass Trim Attaching Brass Front Trim to Front PanelLocate brass front trim in brass trim package Fresh AIR for Combustion and Ventilation Providing Adequate VentilationUnusually Tight Construction Confined and Unconfined SpaceDetermining FRESH-AIR Flow for Heater Location AIR for Combustion VentilationDetermining if You Have a Confined or Unconfined Space AIR for Combustion and Ventilation Ventilation AIRVentilation Air From Inside Building Ventilation Air From OutdoorsInstallation Installation ItemsCheck GAS Type Locating HeaterThermostat Sensing Bulb Installation OptionsMounting Heater to Wall Mounting Heater on Optional Hearth Base Installing Bottom Mounting ScrewsPlacing Heater On Mounting Bracket Mounting Heater to Optional Hearth Base Mounting Heater to Optional MantelSecuring Hearth Base to Floor Connecting to GAS Supply External Regulator with Vent Pointing DownPressure Testing Heater Gas Connections Pressure Testing Gas Supply Piping SystemChecking GAS Connections For Your Safety Read Before Lighting Operating HeaterLighting Instructions To Turn OFF GAS To ApplianceManual Lighting Procedure Inspecting BurnerThermostat Control Operation Pilot Flame PatternTroubleshooting Pilot assemblySafety interlock system has been trig After ODS/pilot lights, keep controlMaintenance, Pane/LP companyGas odor even when control knob is in OFF TopCleaning and Maintenance Replacement PartsIllustrated Parts Breakdown VMH3000TPAParts List KEY VMH3000TPA Description QTYSpecifications Technical ServiceService Hints When Gas Pressure Is Too LowAccessories Warranty Information

VMH3000TPA specifications

The Vanguard Heating VMH3000TPA is a cutting-edge heating solution designed to provide efficient warmth to both residential and commercial spaces. This model combines advanced technology with robust construction to ensure reliable performance throughout the heating season.

One of the main features of the VMH3000TPA is its high-output heating capability. With a powerful performance of up to 3000 watts, it effectively heats large areas, making it an ideal choice for open floor plans and larger rooms. The unit is designed for effortless installation and can be easily mounted on walls or placed in various settings, providing flexible placement options.

Energy efficiency is a hallmark of the VMH3000TPA. It incorporates a smart thermostatic controller that allows users to set desired temperatures accurately and maintain them with minimal power consumption. This not only ensures comfort but also helps in reducing energy bills, making it an economically sound choice.

The VMH3000TPA utilizes advanced ceramic heating technology, which heats up quickly and provides uniform warmth. The ceramic plates within the unit warm up rapidly, ensuring that the surrounding area is heated efficiently and evenly. This technology also contributes to longer-lasting performance, reducing wear and tear over time.

User convenience is further enhanced through an integrated digital display that makes it easy to monitor and adjust settings. The unit also features a remote control, allowing users to operate the heater from a distance without needing to get up, which adds a layer of convenience, especially in larger spaces.

Safety is a crucial aspect of the design of the VMH3000TPA. It is equipped with multiple safety features, including overheat protection and tip-over switches, which automatically shut off the heater if it is tipped over or if it exceeds safe temperature levels. These safety mechanisms provide peace of mind for users, knowing that the heater operates within safe parameters.

In terms of aesthetic appeal, the VMH3000TPA sports a modern and sleek design that seamlessly integrates into various interior styles, enhancing the overall ambiance of the space it occupies. The lightweight construction ensures ease of mobility, allowing users to move it from room to room as needed.

Overall, the Vanguard Heating VMH3000TPA stands out in the market for its powerful heating capabilities, energy efficiency, advanced safety features, and user-friendly design, making it a top choice for individuals seeking reliable heating solutions for diverse environments.