Desa AT Series owner manual Operation, To Start Heater, To Stop Heater

Page 5

INSTALLATION OPERATION

To Start Heater To Stop Heater

5

INSTALLATION

Continued

4.Open propane/LP supply valve on propane/LP tank(s) slowly. Note: If not opened slowly, excess-flow check valve on pro- pane/LP tank will stop gas flow. If this happens, you may hear a click inside the regulator assembly. To reset the excess flow check valve, close propane/LP supply valve and open again slowly.

5.Adjust regulator between 7 and 20 psig (see Figure 5). Note: Higher regulator setting will allow heater to produce more heat.

6.Check all connections for leaks.

WARNING: Do not adjust regulator below 7 psig or above 20 psig. Heater may not run properly.

OPERATION

WARNING: Review and understand the warnings in the Safety Information section, page 2. They are needed to safely operate this heater. Follow all local codes when using this heater.

TO START HEATER

1.

Follow all installation, ventilation and safety information.

2.

Locate heater on stable and level surface. Make sure strong

 

drafts do not blow into front or rear of heater.

3.

Plug power cord of heater into a three-prong, grounded exten-

 

sion cord. Extension cord must be at least six feet long. Exten-

 

sion cord must be UL listed.

7.Close propane/LP supply valve.

POL Fitting

Supply Valve

Propane/LP

Tank

Hose

Regulator

Adjustment Knob (pointing down)

Extension Cord Size Requirement

Up to 50 feet long, use 18 AWG rated cord.

51 to 100 feet long, use 16 AWG rated cord.

101 to 200 feet long, use 14 AWG rated cord.

4. Plug extension cord into a 120 volt/60 hertz, three-hole,

grounded outlet.

5. Open propane/LP supply valve on propane/LP tank(s) slowly.

Note: If not opened slowly, excess-flow check valve on pro-

pane/LP tank will stop gas flow. If this happens, you may hear a

click inside the regulator assembly. To reset the excess flow check

valve, close propane/LP supply valve and open again slowly.

Note:

Figure 3 - Regulator With Adjustment Knob Pointing Down

6. Make sure regulator is set between 7 and 20 psig.

Higher

regulator setting will allow heater to produce more heat.

WARNING: Do not adjust regulator below 7 psig or above 20 psig. Heater may not run properly.

Inlet Connector

Figure 4 - Hose and Inlet Connector

E

5

10

15

 

5

20

10

20

 

15

Hose

I

 

 

N

 

 

C

 

 

R

 

A

E

S

 

 

5 10 15 20

7.Turn on/off switch to the ON position. Adjust thermostat to desired setting. If heater does not start, thermostat setting may be too low. Turn thermostat knob to higher position to start heater. Note: If heater does not start, turn on/off switch to the OFF position. Wait ten seconds for safety control to reset, then try again.

TO STOP HEATER

1.Tightly close propane/LP supply valve on propane tank(s).

2.Wait a few seconds. Heater will burn gas left in supply hoses.

3.Turn on/off switch to the OFF position.

4.Unplug heater.

Regulator

Figure 5 - Adjustable Regulator Set At 7 psig

For more information, visit www.desatech.com

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Contents PROPANE/LP Construction Heater Safety Information Table of ContentsProduct Identification UnpackingTheory of Operation InstallationVentilation PROPANE/LP SupplyTo Stop Heater OperationTo Start Heater Maintenance Storage Service ProcedureCleaning FAN To Restart HeaterService Procedure Specifications Wiring DiagramsTechnical Service Service Publications Accessories Replacement PartsParts Under Warranty Parts not Under WarrantyBLP375AT SBLP375AT Illustrated Parts BreakdownParts List Warranty and Repair Service