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105331-01C
3
3
For more information, visit www.desatech.com
For more information, visit www.desatech.com
PRODUCT IDENTIFICATION
Figure 1 - 50,000 BTU/Hr Model
UNPACKING
1. Remove all packing items applied to heater for shipment. Keep
plastic cover caps (attached to inlet connector and hose/regu-
lator assembly) for storage.
2. Remove all items from carton.
3. Check all items for shipping damage. If heater is damaged,
promptly inform dealer where you bought heater.
PROPANE SUPPLY
Propane gas and propane tank(s) are to be furnished by the user.
Use this heater only with a propane vapor withdrawal supply system.
See Chapter 5 of the Standard for Storage and Handling of Liquefied
Petroleum Gas, ANSI/NFPA 58 and/or CAN/CGA B149.2. Your
local library or fire department will have this booklet.
The amount of propane gas ready for use from propane tanks varies.
Two factors decide this amount:
1. The amount of propane gas in tank(s)
2. The temperature of tank(s)
This heater is designed to operate with a minimum 20-pound
propane tank. You may need two or more tanks or one larger tank
in colder weather. Use a 100-pound tank for longer operation or in
very cold weather. Less gas is vaporized at lower temperatures.
Your local propane gas dealer will help you select the proper supply
system. The minimum surrounding air temperature rating for each
heater is -20°F (-29°C).
Average Number Of
Temperature (°F) Tanks
At Tank Location (100-pound)
40° 1
32° 1
20° 1
10° 1
0° 1
-10° 2
-20 ° 2
Power
Cord
Hose /
Regulator
Assembly
Valve Inlet
Handle
Shell
Hot Air Outlet
(Front)
Fan
Piezo Ignitor
Button
Automatic Control
Valve Knob
Motor
Heater Base
• To prevent injury, wear gloves when handling heater.
• 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 and unplug heater when not in use.
• Use only original replacement parts. This heater must use de-
sign-specific parts. Do not substitute or use generic parts. Im-
proper replacement parts could cause serious or fatal injuries.
SAFETY INFORMATION
Continued
SAFETY INFORMATION
PRODUCT IDENTIFICATION
UNPACKING
PROPANE SUPPLY