TROUBLESHOOTING
WARNING: Never attempt to service heater while it is connected to propane/LP supply, operating, or hot. Severe burns can occur.
SYMPTOM | POSSIBLE CAUSE | REMEDY | ||
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Burner fails to light | 1. Propane/LPsupply valve closed | 1. | Open propane/LP supply | |
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| on propane/LP cylinder |
| valve slowly |
| 2. | Blockage in burner/orifice | 2. | Clean burner/replace orifice |
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| elbow/hose and regulator as- |
| elbow/hose and regulator as- |
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| sembly |
| sembly |
| 3. | Piezo ignition system not | 3. | Verify ignitor electrode gap is |
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| sparking |
| .20". Check wire lead for dam- |
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| age. Replace piezo ignitor and/or |
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| ignitor electrode as necessary |
Burner lights but goes out when | 1. Not enough | 1. | Relight, hold automatic control | |
automatic control valve button |
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| valve button in 30 seconds |
is released | 2. Low gas pressure | 2. | Check propane/LP cylinder | |
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| for proper gas supply |
| 3. | Thermocouple loose or needs | 3. | Tighten connection or replace |
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| to be replaced |
| thermocouple |
| 4. | Automatic control valve needs | 4. | Replace automatic control |
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| to be replaced |
| valve assembly |
| 5. | Thermocouple gap is too | 5. | Tip of thermocouple should |
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| great. |
| just touch the emitter material. |
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| Loosen bracket screws to move |
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| thermocouple closer to burner. |
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| Be careful not to allow ignitor |
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| to touch. Maintain 0.20" |
Maximum burn rate is low | 1. Low gas pressure | 1. | Check gas supply; check | |
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|
|
| regulator output |
| 2. | Low fuel supply | 2. | Consult propane/LP gas supplier |
| 3. | Restriction in burner/orifice | 3. | Clean burner/replace orifice |
|
| elbow/hose and regulator as- |
| elbow/hose and regulator as- |
|
| sembly |
| sembly |
Rating | SPECIFICATIONS |
| |
High | 35,000 Btu/Hr (39.927 Kj/Hr) |
Low | 22,000 Btu/Hr (23.211 Kj/Hr) |
Fuel | Propane Vapor Only |
Fuel Consumption |
|
Gallons (Liters)/Hour | Min .24 (.91), Max .38 (1.44) |
Pounds (kg)/Hour | Min 1.02 (.46), Max 1.62 (.73) |
Supply Pressure (To Regulator) |
|
Maximum | 200 psi (1,379 Kpa) |
Minimum, for input adjustment | 20 psi (137,9 Kpa) |
Manifold Pressure psi (Kpa) |
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High | 1.8 psi (12,41 kPa) |
Low | 1.9 psi (13,10 kPa) |
Ignitor Gap | 0.120" |
Minimum Temperature | |
Size - L x W x H |
|
Heater | 17.5 x 15 x 42 inches (.44 x .38 x 1.06 m) |
Carton | 22 x 17.5 x 45 inches (.56 x .44 x 1.14 m) |
Weight |
|
Heater | 3.2 kg (7 lb) |
Carton | 4.1 kg (9 lb) |
www.desatech.com | 7 |
