background image

7

GB

(see 

 gure 7 e 8)

A

Upper shell,

 B

Fan guard.

(see 

 gure 9)

A

. Fuel Filter,

 B.

 Side cover,

 C.

 Fuel line.

(see 

 gure 10)

A

Fuel Filter, Bushing, and Lower Fuel Line, 

B

.Upper fuel line,

 

C

. Side cover.

IGNITOR

1.  Remove upper shell and fan guard (see 

 gure 7-8).

2.  Remove fan (see page 11).

3.  Remove 4 side cover screws with a 5/16” nut driver. Remove 

side cover (see Figure 9 or 10).

4. Disconnect ignitor wires (yellow) from ignition control 

assembly (see Figure 11). Pull the ignitor wires up through 

the hole in the lower shell.

5.  Disconnect fuel line hose and air linehose. Remove photocell 

from photocell bracket (see Figure 11).

6. Remove combustion chamber. Stand combustion chamber 

on end with nozzle adapter bracket on top (see Figure 12).

7.  Remove ignitor screw with a 1/4” nut driver. Carefully remove 

ignitor from nozzle adapter bracket.

8. Carefully remove replacement ignitor from styrofoam 

packing.

9.  Carefully guide ignitor into opening in nozzle adapter bracket. 

Do not strike ignitor element. Attach ignitor to nozzle adapter 

bracket with screw using a 1/4” nut driver (see Figure 

12).Torque .90 to 1.69 N-m (8 to 15 in-lbs) Do not over 

torque.

10.Replace combustion chamber.

11.Route the ignitor wires back down through the hole in the 

lower shell. Connect wires to the ignition control assembly.

12.Replace side cover (see Figure 9 or 10).

13.Connect and route fuel line hose and air line hose to burner 

head. See 

Fuel and Air Line Replacement and Proper 

Routing

, page 11.

14.Replace photocell in photocell bracket. Route wires as 

shown in either Figure 17, 18, or 19, page 11.

15.Replace fan (see page 13).

16.Replace fan guard and upper shell (see 

 gure 7-8).

A.

B.

Figure 7-8 – Upper Shell Removal.

A.

B.

C.

Figure 9 – Fuel Filter Removal, 35.000, 64.000 and 

70.000 Btu/Hr.

A.

B.

C.

Figure 10 – Fuel Filter Removal, 100.000 and 150.000 Btu/

Hr.

SERVICE PROCEDURES

A.

B.

C.

D.

E.

F.

G.

H.

I.

L.

(see 

 gure 11)

A

.Combustion Chamber

B

.Nozzle Adapter Bracket

C

.Ignitor

D

.Ignitor Wires

E

.Ignition Control 

Assembly

F

.Side Cover

G

.Photocell Assembly

H

.Photocell Bracket

I

.Fuel Line Hose

L

.Air Line Hose

Figure 11 – Disconnecting Ignitor Wire sfrom Ignition 

Control Assembly.

A.

B.

C.

D.

E.

F.

G.

(see 

 gure 12)

A

.Ignitor Screw/Washer 

Assembly

B

.Ignitor

C

.Nozzle Adapter Bracket

D

.Nozzle Adapter Bracket 

Opening

E

.Combustion Chamber

F

.Photocell Bracket

G

.Ignitor Element

Figure 12 – Ignitor Replacement

CAUTION: Do not bend or strike ignitor element. Handle 

with care.

Summary of Contents for B 65 CEL

Page 1: ...DUELS AIR FORC DE TRAGBARE HOCHDRUCK EISSLUFTTURBINEN NL VERPLAATSBARE HETELUCHTKANONNEN IT GENERATORE D ARIA CALDA A RISCALDAMENTO DIRETTO ES CALENTADORES PORTATILES DE AIRE FORZADO SV PORTABEL V RME...

Page 2: ...L MAX 10 kW 35 000 Btu h 18 5 kW 64 000 Btu h 20 kW 70 000 Btu h 29 kW 100 000 Btu h 44 kW 150 000 Btu h 280 m h 400 m h 400 m h 800 m h 900 m h 0 86 Kg h 1 55 Kg h 1 7 Kg h 2 45 Kg h 3 72 Kg h DIESEL...

Page 3: ...DULE 5 TROUBLESHOOTING 5 SERVICE PROCEDURES 6 ACCESSORIES 12 WARRANTY INFORMATION 12 Heater Sizes 10 18 5 20 29 44 kW Models 35 000 64 000 70 000 100 000 150 000 Btu Hr IMPORTANT Read and understand t...

Page 4: ...uel storage shall be located a minimum of 762cm 25 feet from heaters torches welding equipment and similar sources of ignition exception the fuel reservoir integral with the heater unit g Whenever pos...

Page 5: ...u Hr models only These models are furnished with wheels and handles Wheels handles and the mounting hardware are found in the shipping carton Tools Needed Medium Phillips Screwdriver 3 8 Open or Adjus...

Page 6: ...er N Fuel Filter O Nozzle P Fuel Tank Q Air For Fuel System R Air For Combustion And Heating S Fuel OPERATION WARNING Review and understand the warnings in the Safety Information section page 2 They a...

Page 7: ...plugged in operating or hot Severe burns and electrical shock can occur HEATER WITH FUSED OR NON FUSED IGNITION CONTROL ASSEMBLY ATTENTION The ignition control has built in protection against current...

Page 8: ...ing and connections See Wiring Diagram page 17 3 Check ignitor wiring If no problems are found replace ignitor see page 7 ON OFF switch light comes on when switch is turned to the ON Position but turn...

Page 9: ...in lbs Do not over torque 10 Replace combustion chamber 11 Route the ignitor wires back down through the hole in the lower shell Connect wires to the ignition control assembly 12 Replace side cover se...

Page 10: ...NOZZLE ASSEMBLY 1 Remove upper shell see page 7 2 Remove fan see page 11 3 Remove fuel and air line hoses from nozzle assembly see Figure 17 18 or 19 4 Turn nozzle assembly 1 4 turn to left and pull...

Page 11: ...ses are not to be touching photocell bracket For 150 000 Btu Hr model heater route air and fuel lines approximately as shown in Figure 19 Note Hoses are not to be touching photocell bracket 6 Replace...

Page 12: ...and upper shell 12 Adjust pump pressure see page 8 Note If rotor is still binding proceed asfollows 13 Perform steps 1 through 6 above 14 Place ne grade sandpaper 600 grit on at surface Sand rotor lig...

Page 13: ...embly CAUTION Ignition control assembly contains electrostatic components Handle the assembly by the edges of the printed circuit board Do not touch any of the quick connect terminals or electronic co...

Page 14: ...anted only for the remainder of this Warranty as if such parts were original components of said Product DESA ITALIA MAKES NOOTHER EXPRESS WARRANTY TO THE EXTENT PERMITTED BY LAW DESA ITALIA MAKES NO I...

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