MrHeater 170QFAVT Operating Instructions And Owner'S Manual Download Page 5

Force-Air Propane Construction Heater

Operating Instructions and OwnerÊs Manual

5

OPERATING INSTRUCTIONS

PREPARING FOR OPERATION

1. 

Check the heater for possible shipping damage. If any is 
found, 

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 notify the factory.

2.  Follow all of the „Precautions‰. 
3.  Connect the POL fitting of hose and regulator assembly 

to the propane cylinder by rotating the POL nut 
counterclockwise into the propane cylinderÊs valve outlet and 
securely tighten with a wrench.

4.  Connect the hose to the heater by rotating the hose fitting 

clockwise.

5.  Securely tighten all gas connections.
6.  Open the cylinderÊs gas valve and check all gas connections 

with a soap and water solution. DO NOT USE A FLAME.

7. 

Connect power cord to well-grounded 115V, 60 Hz, 1± source 
of power.

8.  When using an extension cord, make certain that it is a 

3-wire (grounded) cord of proper wire size.

170QFAVT 

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START 

1. 

Slowly open the main valve at propane cylinder to 
prevent excess flow check valve from closing.

2.  Set thermostat to full on.  Heater will ignite 

automatically.

3.  Adjust ball valve on control panel to desired burn rate.
4.  Set thermostat to desired temperature. Heater will turn 

off and  on automatically as the temperature varies in 
the heater area.

STOP

1. 

Securely close valve on the propane cylinder.

2.  Continue to operate heater until all fuel in the hose has 

burned.

3.  Turn the heater thermostat to „off‰.  For extended shut 

down or in areas where the temperature is below 0°F, 
unplug the heater.

RESTART AFTER SAFETY SHUTDOWN

1. 

Securely close valve at propane cylinder. Unplug heater.

2.  Wait 5 minutes.
3.  Restart following „Start‰ procedure.

MAINTENANCE AND STORAGE

1. 

The heater should be inspected before each use, and at least 
annually by a qualified person.

2.  Before each use, check the soft „O‰ ring seat at the bullnose 

of the POL fitting. If the „O‰ ring is cut, scuffed, or otherwise 
damaged, replace it with part number 6681.

3.  Turn off the gas at the LP-gas supply cylinder(s) when the 

heater is not in use.

4.  When the heater is to be stored indoors, the connection 

between the LP-gas supply cylinder(s) and the heater must 
be disconnected and the cylinder(s) removed from the heater 
and stored out of doors and in accordance with Chapter 5 of 
the standard for Storage and Handling of Liquefied Petroleum 
Gases ANSI/NFPA 58 and CSA B149.1, Natural Gas and 
Propane Installation Code.

SERVICING

A hazardous condition may result if a heater is used that has 
been modified or is not functioning properly. 
When the heater is working properly:

 

• 

The flame is contained within the heater.

 

• 

The flame is essentially blue with perhaps some 

 yellow 

tipping.

 

• 

There is no strong disagreeable odor, eye burning or  

 

other physical discomfort.

 

• 

There is no smoke or soot internal or external to the  

 heater.

 

• 

There are no unplanned or unexplained shut downs 

 

of the heater.

The parts lists and wiring diagram show the heater as it was 
constructed. Do not use a heater which is different from 
that shown. In this regard, use only the hose, regulator and 
cylinder connection fitting (called a POL fitting) supplied 
with the heater. 

IMPORTANT

 Match the color stripe on the 

hangtag attached to the hose assembly with the color on the 
label located near the propane inlet fitting on the heater. Do 
not use alternates. For this heater, the regulator must be set 
as shown in „specifications‰. If there is any uncertainty about 
the regulator setting, have it checked.

A heater which is 

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working right must be repaired, but 

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 by a trained, experienced service person.

In-warranty products will be repaired with no charge for 
either parts or labor. Please include a brief statement 
indicating date, place of purchase, the nature of the problem 
and proof of purchase.

Out-of-warrranty products will be repaired with a charge for 
parts and labor.

Summary of Contents for 170QFAVT

Page 1: ...this manual is not followed exactly a fire or explosion may result causing property damage personal injury or loss of life MH170QFAVT OPERATING INSTRUCTIONS AND OWNER S MANUAL READ INSTRUCTIONS CAREFU...

Page 2: ...YOU AND TO OTHERS SO PLEASE READ THESE INSTRUCTIONS BEFORE YOU OPERATE THIS HEATER GENERAL HAZARD WARNING FAILURE TO COMPLY WITH THE PRECAUTIONS AND INSTRUCTIONS PROVIDED WITH THIS HEATER CAN RESULT...

Page 3: ...d from its original condition 3 Use only propane gas 4 Use only VAPOR WITHDRAWAL propane supply If there is any question about vapor withdrawal ask your propane dealer 5 Mount the propane cylinders ve...

Page 4: ...rters Do not use in unventilated areas The flow of combustion and ventilation air must not be obstructed Proper ventilation air must be provided to support the combustion air requirements of the heate...

Page 5: ...e bullnose of the POL fitting If the O ring is cut scuffed or otherwise damaged replace it with part number 6681 3 Turn off the gas at the LP gas supply cylinder s when the heater is not in use 4 When...

Page 6: ...art A W G Name Plate 120V Cord Length in Feet Amps 25 50 100 150 5 6 18 16 14 12 6 8 18 16 12 10 8 12 18 14 12 10 10 12 16 14 10 8 12 14 16 12 10 8 WARNING When using a thermostat controlled heater it...

Page 7: ...are 8 00 AM 5 00 PM EST Monday through Friday Please include the model number date of purchase and description of problem in all communication LIMITED WARRANTY Mr Heater Inc warrants its heaters and a...

Page 8: ...tez pas d allumer l appareil de chauffage teignez toute flamme nue Fermez l alimentation en gaz l appareil L entretien doit tre effectu par un fournisseur de services d entretien qualifi Cet appareil...

Page 9: ...BUSTIBLES VOLATILES OU EN SUSPENSION DANS L AIR OU DES PRODUITS TELS QUE DE L ESSENCE DES SOLVANTS DU DILUANT PEINTURE DES PARTICULES DE POUSSI RE OU DES PRODUITS CHIMIQUES INCONNUS AVERTISSEMENT NON...

Page 10: ...lisez uniquement du gaz propane 4 Utilisez uniquement une alimentation au propane LIMINATION DES MANATIONS Si vous avez des questions propos de l limination des manations consultez votre d taillant de...

Page 11: ...air de ventilation Consultez la rubrique portant sur les sp cifications techniques dans le manuel de l appareil ou sur la plaque de donn es de l appareil ou communiquez avec le fabricant pour obtenir...

Page 12: ...ation v rifiez l assise du joint torique souple la partie arrondie du raccord POL filet gauche Si le joint torique est coup us ou endommag de quelque fa on remplacez le par la pi ce n 6681 3 Coupez l...

Page 13: ...au bas du tableau 2 D placez vous en ligne droite vers le haut jusqu au temps de fonctionnement souhait c t gauche du tableau 3 Notez la dimension de la bonbonne requise Tous les appareils de chauffa...

Page 14: ...ndredi Veuillez indiquer le num ro du mod le la date d achat et la description du probl me dans toutes vos communications avec nous GARANTIE LIMIT E Mr Heater Group Inc garantit ses appareils de chauf...

Page 15: ...na fuente propia de ventilaci n Utiliza el aire ox geno del rea en la cual se emplea Debe suministrarse el aire necesario para la ventilaci n y la combusti n Consulte la p gina 3 ADVERTENCIA Si no se...

Page 16: ...T N A UNA DISTANCIA SEGURA DEL CALENTADOR TAL COMO LO RECOMIENDAN LAS INSTRUCCIONES NUNCA USE EL CALENTADOR EN ESPACIOS QUE CONTIENEN O PODR AN CONTENER COMBUSTIBLES VOL TILES O PRODUCTOS COMO GASOLIN...

Page 17: ...de propano con RECUPERACI N DE VAPOR Si tiene alguna pregunta sobre la recuperaci n de vapor consulte al proveedor de propano 5 Monte los cilindros de propano verticalmente v lvula hacia arriba Aseg r...

Page 18: ...nga del aire que necesita para la combusti n Consulte la secci n de especificaciones del manual del calentador la placa del calentador o p ngase en contacto con el fabricante para conocer los requerim...

Page 19: ...hacerlo revisar por una persona calificada una vez por a o 2 Antes de cada uso revise siempre el asiento del anillo O de goma que se encuentra en el extremo del acople del POL Si el anillo O presenta...

Page 20: ...cal hasta encontrar el tiempo de funcionamiento deseado a la izquierda del gr fico 3 Lea el tama o de cilindro requerido Todos los calentadores deben tener cilindros llenos buena circulaci n de aire c...

Page 21: ...horario de trabajo es de 8 00 a m a 5 00 p m hora del este de lunes a viernes Incluya el n mero de modelo la fecha de compra y la descripci n del problema en todas sus comunicaciones GARANT A LIMITAD...

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