Master 140TMHD-KFA User's Manual & Operating Instructions page 7

Kerosene forced air heater
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Starting the Heater: (Ignition)
1. Fill the tank with kerosene or other approved
fuel until needle on fuel gauge points to "F".
2. Replace fuel cap and tighten firmly.
3. Connect the heater to a three prong
(grounded) power source. You must use a three
prong (grounded) extension cord that is at least
6 feet long and is a minimum of 14 AWG rating.
4. Turn thermostat control knob to desired
temperature setting. The thermostat set range is
from 40 ºF to 110 ºF.
5. Move power switch to "ON" position. The power
indicator light and room temperature display will
illuminate and heater will ignite.
TIP: If the heater does not ignite; move
switch to "OFF" position, check steps 1-3
above and then move switch to "ON" position.
The room temperature display will indicate the
following:
- When the temperature is less than 0 ºF the
display says "LO".
- When the temperature is more that 99 ºF the
display says "HI".
- Between 0 °F and 99 °F the display shows actual
temperature.
TIP: If the heater does not ignite, the
thermostat may be set too low. Turn the
control knob to a higher setting until the
heater ignites. If the heater does not ignite; move
switch to "OFF" position, check steps 1-3 above
and then move switch to "ON" position.
© 2023 Pinnacle Climate Technologies, Inc.
NEVER LEAVE HEATER UNATTENDED WHILE BURNING OR
WHILE CONNECTED TO A POWER SOURCE
OPERATION (CONT.)
Pump Pressure:
For optimal operation the pump pressure might
have to be adjusted dependent upon fuel type,
ambient temperature, and elevation. While heater
is operating, turn adjusting screw clockwise to
increase, counter-clockwise to decrease pressure.
Correct pump pressure is as follows:
Stopping / Restarting Heater:
- To stop the heater, move the power switch to the
- To restart the heater; wait 10 seconds and follow
NOTE: Allowing heater to run out of fuel while in
operation can cause damage to fuel pump and
fuel lines.
Long Term Storage:
1. Drain fuel through the drain bolt in the bottom of
2. To remove the drain bolt, unscrew
3. Using a small amount of kerosene, rinse and
4. To replace the drain bolt; push the drain head
IMPORTANT: Never store leftover kerosene
between seasons, using old fuel can damage
heater.
7
Model Number
140TMHD-KFA
190TMHD-KFA
215TMHD-KFA
Tolerance ± 10%
"OFF" position and unplug the power cord.
ignition steps.
the fuel tank.
counterclockwise.
swirl the kerosene inside of the fuel tank, empty
the tank fully.
fully into the drain hole and screw clockwise.
Kerosene Forced Air Heater User's Manual
Pump Pressure
6.6 PSI (0.46 BAR)
8.5 PSI (0.59 BAR)
9.0 PSI (0.62 BAR)

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