DeWalt DXH50KTHC Instruction Manual page 5

7. Slide the wheel, then large washer onto the axle and hold in place with the remaining
cotter pin.
8. Install the caps over the larger washers to finish the wheel assembly.
PREPARATION FOR OPERATION
1. Check the heater for possible shipping damage. If any is found, immediately contact
the manufacturer at 855-805-5745.
2. Follow all of the "Precautions".
3. Fill the fuel tank with clean kerosene. In extremely cold weather, condensation may
develop in the tank and it is recommended that a tablespoon of de-icer be added
for each gallon (4 liters) of fuel in the tank. When filling the heater, use at least 2
gallons (8 liters) of fuel. Be sure heater is level and do not overfill. Use a funnel or
can with a long fill spout.
IMPORTANT: Before filling fuel tank the first time or after extended storage
periods, drain the fuel tank of any moisture or condensation.
4. Locate heater at a safe distance from combustible materials. Models DXH50K &
DXH75K are not suitable for use on wood floors or other combustible materials.
When used, the heater should rest on suitable insulating material at least 1 inch
thick and extending 3 ft. or more beyond the heater in all directions.
HEATER START UP
DXH50KTHC
1. Plug the heater into a grounded 115V, 60 Hz, 1 Ø outlet.
DXH75KTHC, DXH135KTHC, DXH175KTHC, DXH210KTHC
1. Turn thermostat to lowest setting and make sure "On/Off" switch is "Off".
2. Plug the heater into a grounded 115V, 60 Hz, 1 Ø outlet.
3. Start heater by pushing toggle switch to "On" position (light signifies switch is in
"On" position.)
4. Adjust thermostat to desired setting. Heater will cycle on/off as heat is required.
NOTES FOR ALL MODELS:
• In cold weather (below 10 °F [-12.2 °C] ) starting may be improved by hold-
ing a finger over the vent hole of the pump adjustment screw cap until the
heater starts.
• This unit is equipped with an interrupt circuit. The reset is integrated into
the "On/Off" switch. If the unit does not start, toggle the switch to "Off",
wait 5 min, and toggle the switch to "On"
• EXTENSION CORD REQUIREMENTS: Up to 100' (30.5 M) use 16 awg con-
ductor. 101' - 200' (30.5 - 61.0 m) use 14 awg conductor.
HEATER SHUT DOWN
DXH50KTHC
1. Unplug the heater from power source.
DXH75KTHC, DXH135KTHC, DXH175KTHC, DXH210KTHC
1. Push "On/Off" switch to "Off" position. For extended shutdown, unplug heater
from power source.
HEATER RESTART AFTER SAFETY SHUTDOWN
DXH50KTHC
1. Unplug the heater from power source.
2. Wait 5 minutes.
3. Plug the heater back into power source.
DXH75KTHC, DXH135KTHC, DXH175KTHC, DXH210KTHC
1. Toggle switch to "OFF" position
2. Wait 5 minutes
3. Restart
Maintenance and Storage
WARNING: To prevent personal injury, unplug the heater from the wall outlet
before servicing.
For maximum efficiency and trouble-free service, make the following periodic
maintenance, cleaning and inspections.
ADJUSTING PUMP PRESSURE
Due to varying fuel viscosities and normal component wear the pump pressure on
this heater may need to be adjusted.
FUEL PRESSURE ADJUSTMENT SCREW
(located at the rear of the heater)
PRESSURE GAGE
(not included on DXH50KTHC
or DXH75KTHC)
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