Desa MPF24VNA installation manual See Wiring Diagram

Page 14

TROUBLESHOOTING

Continued

OBSERVED PROBLEM POSSIBLE CAUSE

REMEDY

ODS/pilot lights but flame goes out when control knob is re- leased

1.Control knob not fully pressed in

2.Control knob not pressed in long enough

3.Safety interlock system has been triggered

4.Equipment shutoff valve not fully open

5.Pilot flame not touching thermocouple, which allows thermocouple to cool, causing pilot flame to go out. This problem could be caused by one or both of the following:

A)Low gas pressure

B)Dirty or partially clogged ODS/Pilot

6.Thermocouple connection loose at control valve

7.Thermocouple damaged

8.Control valve damaged

1.Press in control knob fully

2.After ODS/pilot lights, keep control knob pressed in for 30 seconds

3.Wait one minute for safety in- terlock system to reset. Repeat ignition operation

4.Fully open equipment shutoff valve

5.A) Contact local natural or propane/LP gas company

B)Clean ODS/pilot (see Cleaning and Maintenance, page 12) or replace ODS/ pilot assembly

6.Hand tighten until snug, then tighten 1/4 turn more

7.Replace pilot assembly

8.Replace control valve

Burner does not light after ODS/

1. Inlet gas pressure is too low

1.

Contact local natural or

pilot is lit

2.

Burner orifice(s) clogged

 

propane/LP gas company

 

2.

Clean burner(s) (see Cleaning

 

 

 

 

and Maintenance, page 12) or

 

 

 

 

replace burner orifice(s)

 

3.

Burner orifice(s) diameter

3.

Replace burner orifice(s)

 

 

too small

4.

Put remote selector in ON

 

4.

Remote selector in OFF

 

 

position (Remote use only)

 

position

 

5.

Wire disconnected from gas

5.

See Wiring Diagram, page

 

 

control (Remote use only)

 

17)

 

 

 

 

Delayed ignition of burner

1. Manifold pressure is too

1.

Contact local natural or

 

 

low

 

propane/LP gas company

 

2.

Burner orifice(s) clogged

2.

Clean burner(s) (see Cleaning

 

 

 

 

and Maintenance, page 12)

 

 

 

 

Burner backfiring during com-

1. Burner orifice is clogged or

1.

Clean burner (see Cleaning

bustion

 

damaged

 

and Maintenance, page 12) or

 

 

 

 

replace burner orifice

 

2.

Damaged burner

2.

Replace damaged burner

 

3.

Gas regulator defective

3.

Replace gas regulator

14

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114925-01B

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Contents What to do if YOU Smell GAS MPF24VNA, MPF24VPA MPF18VNA and MPF18VPATable of Contents Safety Information Local Codes High traffic areas Windy or drafty areasProduct Identification Product FeaturesInstallation Venting Specifications for Installation and ClearancesFlue Opening Specifications InstallationInstallation Items Needed Installing ApplianceConnecting to GAS Supply Natural From Gas Meter 5 W.C.** to 10.5 W.C. Pressure Checking GAS ConnectionsTest Pressures In Excess Of 1/2 Psig 3.5 kPa Propane/LPTest Pressures Equal To or Less Than 1/2 Psig 3.5 kPa Placement of Loose EmbersPressure Testing Appliance Gas Connections Operating Appliance ON/OFF Series Model Ghrcb Inspecting BurnersPilot Flame Pattern Technical Service Service HintsCleaning Maintenance Replacement PartsTroubleshooting Observed Problem Possible Cause RemedySee Wiring Diagram, Maintenance, Gas leak. See Warning statement at top Gas leak. See WarningStatement at top Wiring Diagram SpecificationsAccessories Illustrated Parts Breakdown MPF24VNA, MPF24VPA MPF18VNA, MPF18VPAParts List Limited Warranty Vented GAS LOG Appliances Warranty InformationKeep this Warranty

MPF24VNA specifications

Desa MPF24VNA is a high-performance, versatile appliance designed to meet the demands of modern heating solutions. This innovative product stands out due to its advanced features, making it an excellent choice for both residential and commercial applications.

One of the key characteristics of the Desa MPF24VNA is its energy efficiency. With a heating capacity of up to 24,000 BTUs, it can effectively warm spaces while using minimal energy, which is crucial for reducing heating costs. The unit is designed with a focus on environmentally friendly operation, helping users to lower their carbon footprint while still enjoying optimal comfort.

The technology employed in the Desa MPF24VNA is remarkable. It features a powerful, quiet fan system that ensures even heat distribution, eliminating cold spots in the room. This fan operates on multiple speeds, allowing users to tailor the airflow to their specific needs. Furthermore, the unit is equipped with a digital thermostat that provides precise temperature control, enabling users to set their desired comfort level with ease.

Another important feature is the user-friendly interface. The Desa MPF24VNA comes with a remote control, allowing users to adjust settings from a distance. This convenience is particularly beneficial in larger spaces where the heater may not be easily accessible. The programmable settings also help users to create heating schedules that align with their routines, further enhancing energy efficiency.

The design of the Desa MPF24VNA is both stylish and functional. Its sleek appearance allows it to blend seamlessly into various interior decors, making it an attractive heating solution for any space. Built with high-quality materials, the unit is not only durable but also designed for easy maintenance. The air filter is easily accessible and can be cleaned or replaced without hassle, ensuring that the heater operates at peak performance.

Safety is another priority with the Desa MPF24VNA. It includes several safety features such as an automatic shut-off function in case of overheating and a tip-over switch that turns the heater off if it is knocked over. This ensures peace of mind for users, especially in households with children or pets.

In conclusion, the Desa MPF24VNA is a top-tier heating appliance that combines efficiency, technology, and safety for optimal performance. Its versatile features make it an ideal choice for anyone looking to enhance their heating solutions while maintaining a focus on sustainability and comfort.
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