background image

www.desatech.com

120942-01E

16

Replacing Ignitor

1.  To  loosen  back  panel  and  gain  access 

to ignitor, follow step 1 under 

Replacing 

Burner

, page 15. Due to lack of working 

area, burner assembly may be removed 
to  gain  access  to  ignitor  electrode,  see 

Replacing Burner

, page 15.

2.  Remove  ignitor  bracket  screw  and  lift 

ignitor.

3.  Attach new ignitor with ignitor mounting 

screw removed in step 2.

4.  Install  new  ignitor.  Ignitor  gap  between 

ignitor  electrode  and  burner  deck  is 
0.10"/0.12" (2.5/3.0 mm).

5.  With gas supply shut off, test for spark. 

Plug  into  extension  cord  and  watch  for 
spark  between  ignitor  electrode  and 
burner deck.

Service

Continued

Ignitor Gap

Figure 14 - Ignitor Gap

Replacing Gas Orifice

1.  Hold  burner  flange  and  rotate  orifice 

counterclockwise to remove.

2.  Install new orifice

IMPORTANT: CHECK FOR GAS LEAKS. Test 
all gas piping and connections for leaks after 
installation or servicing. Never use an open 
flame to check for a leak. Apply a noncorrosive 
leak detection fluid to all joints (available at lo

-

cal plumbing supply stores). Bubbles forming 
show a leak. Correct all leaks at once.

REPlACING DSI CONTROl

1.  Remove  top  and  side  panel  (see 

Top 

Panel Removal, 

page 14).

2.  Disconnect orange ignitor wire.
3.  Remove white wire connector.
4.  Remove 2 screws and nuts securing DSI 

control.

5.  Install new DSI control. Reconnect wiring.

REPlACING GAS VAlVE

1.  Remove top and side panel (see 

Top and 

Side Panel Removal,

 page 14).

2.  Disconnect 2 blue wires.
3.  Remove gas line.
4.  Remove 2 screws and nuts holding valve 

to mounting plate.

5.  Remove brass fittings from old gas valve. 

If  damaged  replace  with  new  fittings. 

Install  fittings  into  new  gas  valve.  Use 

pipe joint sealant that is resistant to liquid 

petroleum (LP) gas. Tighten all fittings.

6.  Install new gas valve using screws and 

nuts from step 4.

7.  Connect blue wires to new gas valve.
8.  Reconnect gas line.

IMPORTANT: CHECK FOR GAS LEAKS. Test 
all gas piping and connections for leaks after 
installation or servicing. Never use an open 
flame to check for a leak. Apply a noncorrosive 
leak detection fluid to all joints (available at lo

-

cal plumbing supply stores). Bubbles forming 
show a leak. Correct all leaks at once.

CHECKING REGUlATOR 

PRESSURE

1.  Remove  top  and  side  panel  (see 

Top 

Panel Removal, 

page 14).

2.  Locate pressure tap on solenoid valve and 

remove (retain plug for later installation). 
See Figure 15, page 17.

3.  Install 1/8 NPT barb fitting with sealant on 

threads into solenoid valve.

4.  Connect to manometer or pressure gauge 

that measures in inches of water.

5.  Connect hose and regulator to heater and 

tank.

6.  Plug in and turn on.

Содержание TENTEvent125 TB116A

Страница 1: ...ath serious bodily injury and property loss or damage from hazards of fire explosion burn asphyxiation carbon monoxide poisoning and or electrical shock Onlypersonswhocanunderstandandfollowtheinstruc...

Страница 2: ...ce must be performed by a quali fied installer service agency or the gas supplier If you smell gas turn off gas supply at tank This is an unvented gas fired tent heater It uses air oxy gen from the te...

Страница 3: ...en Depletion Sensing ODS safety shutoff system designed to turn off the heater if not enough fresh air is available Do not tamper with oxygen depletion safety system If heater shuts off do not relight...

Страница 4: ...ior to operating the heater 1 Install and use heater with care Follow all local ordinances and codes In the absence of local ordinances and codes refer to the Standard for Storage and Handling of Liqu...

Страница 5: ...ing to fresh outside air 3 high x 14 long 42 inches2 11 Minimum heater clearances from com bust ble materials Outlet 8 ft 2 40 m Sides 1 ft 30 cm Top 3 ft 0 91 m Rear 1 ft 30 cm 12 Keep heater at leas...

Страница 6: ...as dealer will help you select the proper supply system The mini mum surrounding air temperature rating for each heater is 20 F 29 C Propane LP gas and propane tank s are to be furnished by the user U...

Страница 7: ...om a portable generator verify that generatorhasbeenproperlycon nectedtoearthground Improper grounding or failure to ground generator can result in electro cution if a ground fault occurs Refertoowner...

Страница 8: ...bustion chamber This air is heated and provides a stream of clean hot air The Ignition System The direct spark ignitor DSI sends voltage to the spark ignitor The spark ignitor ignites the fuel and air...

Страница 9: ...de panel from heater to make installing casters easier If so see Top and Side Panel Removal on page 14 Figure 4 shows side panel removed for clarity 3 Use a spacer to prop end of heater up so holes in...

Страница 10: ...lide one wheel and washer onto axle Insert cotter pin into end of axle See Figure 5 4 Repeat steps 2 and 3 for second wheel washer and cotter pin on other side of heater 3 Turn top over and carefully...

Страница 11: ...ly valve and open again slowly 5 Check all connections for leaks Correct all leaks Figure 7 Regulator With Vent Pointing Down Hose Regulator Vent pointing down Fuel Gas Connector Supply Valve Propane...

Страница 12: ...al codes when using this heater To Start Heater 1 Follow all installation ventilation and safety information 2 Connect regulator hose assembly to gas supply 3 Check for leaks using a noncorrosive leak...

Страница 13: ...with a damp cloth Use household clean ers on difficult spots Slight odor may be present for a brief period following use of household cleaners 2 Inspect heater before each use Check connections for le...

Страница 14: ...op brackets to body panels Remove top and set aside see Figure 10 Brackets Located Underneath Figure 10 Removing Top and Side Panel Side Panel Top Bracket Screws Side Panel Screw 2 Remove 2 screws sec...

Страница 15: ...o gain access to screen Push screen up and over flange then slide out 2 Disconnect orange ignitor wire from ignit or Ignitor is attached to back of burner 3 Disconnect gas line at solenoid valve and a...

Страница 16: ...orange ignitor wire 3 Remove white wire connector 4 Remove 2 screws and nuts securing DSI control 5 Install new DSI control Reconnect wiring Replacing Gas Valve 1 Remove top and side panel see Top an...

Страница 17: ...kPa Maximum Tank Pressure Regulator Outlet Pressure 11 wc Electric Input 120 V 60 Hz Amperage Start 7 Run 3 5 Load 10 amps on receptacle Hot Air Output Approx 1000 CFM 28 3 m3 min Motor 1 100 RPM 1 4...

Страница 18: ...age 16 D Replace spark trans former See Replacing DSI Control page 16 3 Clean tubing POSSIBLE CAUSE 1 No electrical power to heater 2 Thermostat set too low 3 Ambient temperature is too high Thermosta...

Страница 19: ...upply cylinder size i e 100 lb POSSIBLE CAUSE 1 Propane supply may be inadequate 2 High surrounding air tem perature causing thermal limit device to shut down heater 3 Restricted air flow 4 Damaged fa...

Страница 20: ...c Solenoid Valve V lvula de solenoide lectrovanne DSI encendedor de chispa directa AED Black Negro Noir Black Negro Noir Black Negro Noir Black Negro Noir Black Negro Noir Orange Naranja Black Negro N...

Страница 21: ...Verify proper operation after servicing 1 Interruptor 1 ciclo autom tico Interrupteur 1 en cycle 2 Interruptor 2 continuo Interrupteur 2 en continu 3 Bloque de terminales Bornier 4 Interruptor de VCA...

Страница 22: ...www desatech com 120942 01E 22 Parts Cabinet Models TB116A TB117A and TB118A 16 17 14 15 7 2 6 5 9 13 19 18 20 21 8 4 3 11 1 12 14 15 10 10 10 10...

Страница 23: ...Base 1 17 120433 01 Front Panel White 1 120433 02 Front Panel Tan 1 18 120201 02 Caster 2 19 M16801 14 Plated Axle 1 20 113125 01 Wheel 2 21 100000 01 Cotter Pin 2 PARTS AVAILABLE NOT SHOWN Decals Av...

Страница 24: ...www desatech com 120942 01E 24 Parts Models TB116A TB117A and TB118A 17 21 11 10 16 13 12 14 9 8 7 22 2 4 3 19 1 18 20 5 15 6...

Страница 25: ...e 1 12 103934 01 Ignitor 1 13 119884 01 Ignitor Bracket 1 14 098249 01 ODS Nut 2 15 118254 01 Burner 1 16 M50104 02 Shorty Bushing 2 17 120095 01 Pressure Switch Assembly 1 18 120276 01 Duplex Cover 1...

Страница 26: ...an t supply original replacement part s call DESA Heating LLC at 1 866 672 6040 When calling DESA Heating LLC have ready your name your address model and serial numbers of your heater how heater was m...

Страница 27: ..._____________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____...

Страница 28: ...al codes and instructions furnished with this product This warranty covers the cost of part s required to restore this product to proper operating condition and an allowance for labor when provided by...

Отзывы: