Desa BC115CT, BC40, BC165CT, BC70T, BC55T, RC55T, RC70T, RC165CT, RC115CT Fuel Filter, Ignitor

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SERVICE PROCEDURES

Continued

FUEL FILTER

1.Remove side cover screws using 5/16" nut- driver.

2.Remove side cover.

3.Pull upper fuel line off fuel filter neck (see Figure 15 or 16).

4.Carefully pry bushing, fuel filter, and lower fuel line (115T/165T models only) out of fuel tank (see Figure 16).

5.Wash fuel filter with clean fuel and replace in tank.

6.Attach upper fuel line to fuel filter neck.

7.Replace side cover.

Fuel Filter

Side

Cover

Upper Fuel Line

Figure 15 - Fuel Filter Removal,

40/55T/70T Models

Fuel Filter, Bushing,

and Lower Fuel Line

Side

Cover

Upper Fuel Line

Figure 16 - Fuel Filter Removal,

115T/165T Models

IGNITOR

1.Remove upper shell and fan guard (See Upper Shell Removal, page 9).

2.Remove fan (see page 9).

3.Remove 4 side cover screws with a 5/16" nut driver. Remove side cover (see Figures 15 and 16).

4.Disconnect ignitor wires (yellow) from igni- tion control assembly (see Figure 17). Pull the ignitor wires up through the hole in the lower shell.

5.Disconnect fuel line hose and air line hose. Remove photocell from photocell bracket (see Figure 17).

6.Remove combustion chamber. Stand com- bustion chamber on end with nozzle adapter bracket on top (see Figure 18).

 

Nozzle

Combustion

Adapter

Bracket

Chamber

 

Air Line

Ignitor

 

Hose

Ignitor Wire

 

Fuel Line

(Yellow)

Hose

 

Photocell

 

Bracket

 

 

Ignition

Photocell

Control

Assembly

Assembly

Side Cover

 

Figure 17 - Disconnecting Ignitor Wires

from Ignition Control Assembly

Ignitor Screw/

 

Washer Assembly

Ignitor

 

Ignitor Element

Nozzle

 

Photocell

Adapter

Bracket

Bracket

Combustion Chamber

Nozzle Adapter

Bracket Opening

 

Figure 18 - Ignitor Replacement

111168-01A

www.desatech.com

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Contents Table of Contents Unpacking Safety InformationProduct Identification Tighten all nuts firmly AssemblyFor 40, 55T, and 70T Models only For 115T and 165T Models onlyFuels Theory of OperationTo Stop Heater VentilationOperation To Start HeaterOr Shipping Preventative Maintenance ScheduleFault Condition Possible Cause Remedy TroubleshootingLift upper shell off Remove fan guard Service ProceduresUpper Shell Removal FANReplace filter end cover Pump Pressure AdjustmentAIR OUTPUT, AIR Intake and Lint Filters Ignitor Fuel FilterNozzle Assembly Nozzle and Nozzle Adapter All Models Fuel and AIR Line Replacement and Proper RoutingPump Rotor Procedure if Rotor is BindingIgnition Control Assembly Wiring DiagramsModels BC40 and RC40 Illustrated Parts BreakdownNTC-4C Parts ListModels BC55T, RC55T, BC70T, and RC70T RC70T Models BC55TModels BC115CT, RC115CT, BC165CT and RC165CT KEY Part Number Illustrated Parts Breakdown FHPF3-6C Models BC40, RC40, BC55T, RC55T, BC70T and RC70TSpecifications AIR Gauge KIT HA1180 AccessoriesIgnition Control Assembly Photocell Tester HA1170 Thermostat KIT HA1210Keep this Warranty Warranty and Repair ServiceRC115CT, BC165CT ET RC165CT Table DES MatièreDeballage Informations SUR LA SécuritéModèle Nomenclature DES Pieces PrincipalesSerrez fermement tous les écrous à la clé MontagePour LE Modèles 40, 55T ET 70T Seulement Pour LES Modèles 100 ET 150 SeulementDes odeurs perceptibles CombustiblesDʼair propre chaud Vaporisé dans la chambre de combustionArret Remise EN ServiceFonctionnement Mise EN MarcheCalendrier D’ENTRETIEN OU ExpéditionAnomalie Cause Possible Remede Diagnostic DES PannesVentilateur Entretien Marche a SuivreDémontage DU Couvercle Filtres de sortie et d’entrée Réglage DE LA Pression DE LA PompeDépose du filtre à combustible, modèles 40/55T/70T AllumeurBuse Vérifiez que le manchon de la buse nʼest pas endommagé Entretien Marche aDéposez le couvercle de la pompe Rotor DE LA PompeDéposez le couvercle voir Démontage du couvercle, Retirez le cache-filtre et les filtres à airCommande D’ALLUMAGE Schemas ElectriquesModèles BC40 ET RC40 VUE Détaillée DES PiècesListe DES Pièces Modèles BC55T, RC55T, BC70T ET RC70T Support de porte-buse 55T Modèles BC115CT, RC115CT, BC165CT ET RC165CT Référence VUE Détaillée DES Pièces Vis 55T Modèles BC40, RC40, BC55T, RC55T, BC70T ET RC70TFiche Technique Thermostat HA1210 AccessoiresManometre HA1180 Roues ET Guidon Pour Travail Intensif HA1202Gardez Cette Garantie Ntie ET Service APRES-VENTE

RC70T, RC165CT, BC55T, BC70T, RC115CT specifications

Desa BC165CT, RC55T, BC55T, RC165CT, and BC70T are some of the advanced heating solutions designed to provide maximum comfort and efficiency in various environments. Each model comes with unique features and technologies aimed at meeting diverse heating demands while ensuring energy efficiency.

The Desa BC165CT is particularly notable for its robust heating capacity. Designed for larger spaces, it utilizes a powerful combustion system that enables it to produce a significant amount of heat quickly. This model features an innovative thermostat that allows users to set their desired temperature, ensuring a comfortable environment all year round. Its compact design allows for versatile placement in residential or commercial settings.

The RC55T model stands out for its versatility and user-friendly operation. This unit is engineered with a remote control feature, enabling users to adjust settings from the comfort of their seats. Its sleek design and modern aesthetics make it a perfect fit for contemporary interiors, while its energy-efficient technology ensures reduced operating costs.

Moving to the BC55T, this model strikes a balance between performance and efficiency. It offers multiple heat settings, enabling users to choose the most suitable level of warmth for their space. The BC55T is also designed for quiet operation, making it an ideal choice for bedrooms or study areas. The built-in safety mechanisms ensure reliable performance without compromising safety.

The RC165CT is designed for those who desire enhanced features in their heating system. Equipped with advanced digital controls, this model allows for precise temperature management and programming. Its high-efficiency burner reduces fuel consumption while generating impressive heat output, making it a cost-effective option for homeowners.

Finally, the BC70T adds an extra layer of convenience with its larger heating capacity, ideal for bigger spaces. This model incorporates advanced technology that optimizes fuel usage and minimizes emissions, aligning with modern environmental standards. The BC70T also features an intuitive control panel, making it easy to navigate through its settings and adjust the heating according to individual needs.

In summary, the Desa BC165CT, RC55T, BC55T, RC165CT, and BC70T models offer innovative heating solutions characterized by energy efficiency, user-friendly features, and adaptable designs. These units are engineered to meet the demands of various environments while providing reliable warmth and comfort.
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