Dayton Operating Instructions and Parts Manual
Model 3VH22
General Safety Information (Continued)
•Never attach duct work to heater.
•Do not alter heater. Keep heater in its original state.
•Do not use heater if altered.
•Turn off propane supply to heater when not in use.
•Use only original replacement parts. This heater must use
General Specifications
Output Rating | 40/60/80,000 Btu/Hr |
Fuel | Propane Vapor Only |
Fuel Consumption |
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Gallons/Hr | Min .44, Max .87 |
Pounds/Hour | Min 1.86, Max 3.71 |
Supply Pressure to Regulator |
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Maximum | 200 psi |
Minimum, for input adjustment .. | 20 psi |
Manifold Pressure | High 23.8 w.c., Low 18 w.c. |
Ignitor Gap | 0.195 Inches |
Min. Temperature Surrounding Air ... | |
Weight - Heater | 13 pounds |
Shipping | 17 pounds |
Size - L x W x H (Inches) |
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Heater | 15 x 16 x 20 |
Carton | 18 x 18.75 x 20.75 |
Product Identification | Top |
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Shell |
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Thermocouple |
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Ignitor |
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Electrode |
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Burner |
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Tube |
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Piezo Ignitor |
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Button |
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| OFF |
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| LO | HI |
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Hose/Regulator |
| MED |
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Assembly |
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Gas Inlet | Valve | Base | |||
Connector | Control | ||||
(1/4” SAE | Inlet | ||||
Knob | |||||
Figure 2 - Product Identification flare) |
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Theory of Operation
THE FUEL SYSTEM
The hose/regulator assembly attaches to the propane gas supply. This provides fuel to the heater.
THE IGNITION SYSTEM
The piezo ignitor lights the main burner.
THE AUTOMATIC CONTROL SYSTEM
This system causes the heater to shut down if the flame goes out.
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