background image

www.desatech.com

120942-01E

19

 WARNING: Use only in areas 

free of high dust content.

TroUBLeSHooTing

Continued

REMEDY

1. A) Refill tank

  B) Provide additional and/or 

larger  tanks.  See 

Propane 

Supply

, page 6

2. This can happen when running 

heater in temperatures above 

85° F (29˚ C). Run heater in 

cooler temperatures

3. Check heater inlet and outlet. 

Remove any obstructions

4. Replace motor and blower as-

sembly. See page 13

5. Clean  heater.  See 

Mainte

-

nance

, page 13

1. Check  all  connections  for 

leaks. Apply noncorrosive leak 

detection  fluid  to  gas  joints. 

Bubbles forming show a leak 
that must be corrected

2. To obtain correct mixture of 

propane/LP gas and air, use 

a  larger  cylinder  size,  i.e. 

100 lb. See 

Propane Supply

page 6

3. Use a larger supply 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 fan 

5. Excessive  dust  or  debris  in 

surrounding area

1. Gas leak

2. Heater operating on a 20  b. 

propane/LP  cylinder.  Insuf-

ficient propane/LP gas will be 

supplied by a 20  b. cylinder 
resulting in odor

3. Propane/LP  supply  tank  is 

"freezing  up".  Evaporation 

and  consumption  rate  of 
propane/LP from supply tank 

is to great for the size of the 

tank and air temperature

ObSERVED FAULT

Heater  shuts  down  while 
running

Heater producing odor

TecHnicaL Service

You may have further questions about installa-
tion, operation, or troubleshooting. If so, con-
tact DESA Heating, LLC at 1-866-672-6040. 
When  calling  please  have  your  model  and 
serial numbers of your heater ready.
You can also visit DESA Heating, LLC’s web 
site at 

www.desatech.com

.

Summary of Contents for TENTEvent125 TB116A

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 27: ..._____________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ _____...

Page 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...

Reviews: