SPECIFICATIONS
| 80,000 Btu | 200,000 Btu |
Type of Gas | Propane/LP Only | Propane/LP Only |
Gas Supply Pressure to regulator |
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Maximum | Bottle Pressure | Bottle Pressure |
Minimum | 5 psig (34.5 kPa) | 15 psig (103 kPa) |
Gas Supply Pressure regulator out | 11" W.C. (2.74 kPa) | 10 psig (68.9 kPa) |
Ignition | Piezo Ignitor | Piezo Ignitor |
Minimum Ambient Temp. Rating | 0°F | 0°F |
Rating | 30,000 - 80,000 Btu/hr | 75,000 - 200,000 Btu/hr |
| (8.79 - 23.4 kW) | (22.0 - 58.6 kW) |
Fuel Consumption | 1.4 to 3.7 lb/hr | 3.5 - 0.3 lb/hr |
| (.74 – 1.80 kg/hr) | (1.44 - 4.32 kg/hr) |
Fuel Orifice Port No. | 6 | 6 |
Fuel Orifice Port Size | 0.0472" | 0.0320" |
| (1.20mm) | (.813mm) |
TROUBLESHOOTING
WARNING: Never service heater while it is plugged in, connected to propane supply, operating, or hot. Severe burns and electrical shock can occur.
OBSERVED FAULT | POSSIBLE CAUSE | REMEDY | ||
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Burner fails to light | 1. Propane supply valve closed | 1. | Open propane supply valve | |
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| on propane tank(s) |
| slowly |
| 2. | Excess flow check valve | 2. | Close propane supply valve on |
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| closed |
| propane tank and reopen slowly |
| 3. | Blockage in burner orifice | 3. | Replace burner orifice |
| 4. | Piezo ignition system not | 4. | Check to assure ignitor elec- |
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| sparking |
| trode gap is .195" Check wire |
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| lead for damage. Replace |
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| piezo ignitor and/or ignitor |
| 5. | Pilot orifice clogged |
| electrode as necessary |
| 5. | Clean or replace pilot assembly | ||
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Pilot lights but goes out when | 1. Not enough warm up time | 1. | Relight, hold automatic control | |
automatic control valve button | 2. Low gas pressure |
| valve button in 45 seconds | |
is released | 2. | Check propane tank(s) for | ||
| 3. | Thermocouple loose or needs |
| proper gas supply |
| 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 |
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Burn rate is low | 1. Control valve is on LOW | 1. | Turn valve counter clockwise | |
| 2. | Plugged gas orifice |
| to HIGH |
| 2. | Replace gas orifice | ||
| 3. | Low gas pressure | 3. | Check gas supply; check |
| 4. | Low fuel supply |
| regulator output |
| 4. | Consult propane gas supplier | ||
www.desatech.com | 7 |