SPECIFICATIONS
•Rating: High - 25,000 Btu/Hr (26.375 Kj/Hr) Low - 15,000 Btu/Hr (15.826 Kj/Hr)
•Fuel: Propane Vapor Only
•Fuel Consumption/Hour: Minimum - 0.17 gal (0.64 liter), Maximum 0.27 gal (1.02 liter) Minimum - 0.70 lb (0.32 kg), Maximum 1.16 lb (0.53 kg)
•Supply Pressure (To Regulator): Maximum - Tank Pressure, Minimum - 275.8 kPa (40 psi)
•Regulator Outlet Pressure: High - 103.4 kPa (15 psi), Low - 34.4 kPa (5 psi)
TECHNICAL SERVICE
You may have further questions about installation, operation, or troubleshooting. If so, contact DESA Heating Productsʼ Technical Service Department at
You can also visit DESA Heating Productsʼtechni- cal services web site at www.desatech.com.
TROUBLESHOOTING
WARNING: Never attempt to service heater while it is connected to propane supply, operating, or hot. Severe burns can occur.
SYMPTOM | POSSIBLE CAUSE | REMEDY | ||
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Burner fails to light | 1. Propane supply valve closed | 1. | Open propane supply valve | |
|
| on propane tank(s) |
| slowly |
| 2. | Blockage in burner/valve | 2. | Replace burner/valve assembly |
|
| assembly |
|
|
| 3. | Piezo ignition system not | 3. | Assure ignitor electrode gap |
|
| sparking |
| is 0.120" (3.04 mm). Check |
|
|
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| wire lead for damage. Replace |
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|
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| piezo ignitor and/or ignitor |
|
|
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| electrode as necessary |
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| |
Burner lights but goes out when | 1. Not enough | 1. | Relight, hold automatic control | |
automatic control valve button |
|
|
| valve button in 45 seconds |
is released | 2. Low gas pressure | 2. | Check propane tank(s) for | |
| 3. | Thermocouple loose or needs |
| proper gas supply |
| 3. | Tighten connection or replace | ||
|
| to be replaced |
| thermocouple |
| 4. | Automatic control valve | 4. | Replace automatic control |
|
| needs to be replaced |
| valve assembly |
|
|
|
| |
Maximum burn rate is low | 1. Low gas pressure | 1. | Check gas supply; check | |
| 2. | Low fuel supply |
| regulator output |
| 2. | Consult propane gas supplier | ||
| 3. | Plugged gas orifices | 3. | Replace burner assembly |
6 | www.desatech.com |