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