www.desatech.com
121231-01B
10
sPeCiFiCations
All Models
• Propane/LP Gas
• Gas Supply Pressure to Regulator:
Max - Bottle Pressure, Min - 5 psig (34.5 kPa)
• Gas Supply Pressure Regulator Out:
28" WC (6.97 kPa)
• Electrical Input: 120V, 60 Hz, 1Ø, 3a
• Direct Spark Ignition
• Primary Flame Control:
Thermocouple operated gas valve
• Minimum Ambient Temp. Rating:
-20° F (-29° C)
• Heated Air Output: 350 CFM (9.91 m
3
/min)
55,000 Btu/Hr Models
• 30-55,000 Btu/Hr (8.8 - 16.1 kW)
• Fuel Consumption:
1.4 - 2.6 pounds/hr (0.70 - 1.28 kg/hr)
• Average Air Temp. Rise: 200° F (111° C)
85,000 Btu/Hr Models
• 50-85,000 Btu/Hr (14.6 - 25.0 kW)
• Fuel Consumption:
2.3 - 3.9 pounds/hr (1.04 - 1.77 kg/hr)
• Average Air Temp. Rise: 200° F (111° C)
125,000 Btu/Hr Models
• 75-125,000 Btu/Hr (21.9 - 36.6 kW)
• Fuel Consumption:
3.5 - 5.8 pounds/hr (1.59 - 2.63 kg/hr)
• Average Air Temp. Rise: 400° F (232° C)
Wiring diagraM
Black
Black** or
Orange**
L1
L2
White
Red* or Yellow*
Red* or Yellow*
White
White
Black
Black
Black
Black
Green
Orange
Orange
Thermocouple
CONNECTION DIAGRAM
SCHEMATIC DIAGRAM
Relay
Motor
Spark Plug
Spark Plug
Ignitor
High-Limit
Switch
• If any original wiring as supplied with the heater must be replaced, it must be replaced with
type AW
G 105° C wire or its equivalent except as indicated (*T
ype SF2-200. **SGI-250° C)
Line Cord
Motor
High Limit
Switch
White
Black
120V
60HZ
Gas
Va
lve
Relay
Thermocouple
L1
L2
Ignitor
