M50 12V M50 24V M80 12V M80 24V M105 24V
HEAT OUTPUT ± 10% BTU/hr (kW) 50,000 (15) 50,000 (15) 80,000 (23) 80,000 (23) 105,000 (30)
SYSTEM VOLTAGE
Nominal Voltage (Range) 12 (10 – 15) 24 (20 – 30) 12 (10 – 15) 24 (20 – 30) 24 (20 – 30)
CURRENT DRAW Amps 9.5 4.5 8.5 4.0 7.5
FUEL CONSUMPTION US gph (lph) 0.48 (1.8) 0.48 (1.8) 0.78 (2.95) 0.78 (2.95) 1.04 (3.6)
IGNITION TYPE Electronic Spark Ignition
FUEL TYPES Diesel, JP8, Jet A1, Arctic
COOLANT OUTPUT TEMPERATURE MAX. 185°F (85°C)
AMBIENT OPERATING TEMPERATURE -40°F to +122°F (-40°C to +50°C)
WEIGHT lbs (kg) 53 (23.5)
HEAT EXCHANGER CAPACITY US gal (l) 0.5 (2)
COOLANT SYSTEM
Minimum Capacity US gal (l) 2.64 (10) 2.64 (10) 2.64 (10) 2.64 (10) 2.64 (10)
Recommended Flow Rate Through
Heater US gpm (lpm) 5 (19) 5 (19) 7 (26.5) 7 (26.5) 9 (34)
PROHEAT M-SERIES SERVICE MANUAL
1-1
TECHNICAL
SPECIFICATIONS
1.0
SYSTEM OUTPUTS
AUXILIARY OUTPUT Same as System Voltage
Maximum 1 Amp draw (over-load shut-off protection)
High-side switched
SWITCH/TIMER Same as System Voltage
POWER Maximum 1 Amp draw (over-load shut-off protection)
High-side switched
COOLANT PUMP Same as System Voltage
Maximum 10 Amp draw (over-load shut-off protection)
High-side switched
INDICATOR LIGHT Same as System Voltage
Maximum 1 Amp draw (over-load shut-off protection)
High-side switched
SYSTEM INPUTS
SWITCH 10 – 30V
Standard Run Mode
Preheat Run Mode
Supplemental Run Mode
COOLANT PUMP 10 – 30V
AUXILIARY Allows independent operation of Coolant Pump through
the Proheat Control Module
DANGER
Do not use gasoline.