Vanguard Heating VMH3000TP Troubleshooting, Pilot assembly, After ODS/pilot lights, keep control

Page 16

®

VENT-FREE 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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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 BREAKDOWN21 VMH3000TPParts List KEY VMH3000TP Description QTYSpecifications Technical ServiceService Hints When Gas Pressure Is Too LowAccessories Warranty Information

VMH3000TP specifications

The Vanguard Heating VMH3000TP is a state-of-the-art heating solution designed to provide efficient and powerful warmth for residential and commercial spaces. This unit stands out in the market due to its robust performance, advanced technology, and user-friendly features.

One of the key features of the VMH3000TP is its impressive heating capacity, which can efficiently warm large areas up to 3,000 square feet, making it an ideal choice for homes, warehouses, and workshops. Its powerful heating mechanism ensures rapid temperature rise, ensuring comfort even in the coldest conditions.

The VMH3000TP utilizes cutting-edge technologies, including an intelligent thermostat that allows users to program specific heating schedules according to their needs. This feature not only enhances user convenience but also contributes to energy efficiency, helping to reduce heating costs and minimize environmental impact.

Additionally, the unit is equipped with a multi-stage filtration system that helps maintain indoor air quality. This filters out dust, allergens, and other airborne particles, ensuring a healthier living environment. The filtration system is easy to access and replace, providing a hassle-free maintenance experience.

Another notable characteristic of the VMH3000TP is its silent operation. Unlike traditional heating solutions that can produce distracting noise, this unit operates quietly, ensuring comfort without disturbance. This feature is particularly beneficial for residential applications, where peace and quiet are essential.

The VMH3000TP also boasts a sleek and modern design that can seamlessly blend into various decor styles. Its compact form ensures that it occupies minimal space, making it suitable for installation in smaller areas without compromising on performance.

Safety is paramount in the design of the VMH3000TP. It incorporates several safety features, including overheat protection and an automatic shut-off function. These safety mechanisms provide users with peace of mind, knowing that their heating system is both effective and secure.

In summary, the Vanguard Heating VMH3000TP combines powerful heating capacity, advanced technologies, and user-friendly features to deliver an exceptional heating experience. With its energy efficiency, air quality improvement, silent operation, and safety features, it is a remarkable choice for anyone looking to invest in a high-quality heating solution.
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