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MorrHeat - Most Heat In The Industry - Rev 3/18/2019
Initial Start Procedure
1. Make sure the heating unit and all components have been properly and securely installed.
2. Check that all electrical connections and hook-ups are properly wired and connected.
3.
It is recommended prior to priming the fuel pump and bleeding the air to pre-fill the fuel
filter to help speed up the process. For a secondary check you can always pressurize the
fuel lines to eliminate any potential leaks in the line or fittings. Consistent fuel supply to
the burner is very important.
4. Check that venting connections are properly installed and connected from the heating unit.
5.
While first starting the unit it may take several minutes to get the oil in the pre-heater
block up to temperature. Once the oil reaches the desired temperature, oil is then supplied
through the fuel pump assembly and burner assembly. Make sure burner and pump are
turned on.
6. Optimal draft when running the unit is another very important part of the process. Be
sure desired draft is achieved while burner is running. If exhaust fans are present in
the building, it is possible you will need a draft inducer or power vent of some kind (not
provided).
7. Thermostat must be off while supplying power to the burner assembly.
8. After the oil in the pre-heater block has hit the desired temperature, while the burner is
running, briefly jump the “F” terminals on the oil primary to allow the burner to run during
the fuel pump and priming procedure.
9.
After bleeding the fuel pump and flame is established at the burner assembly, remove the
temporary jumpers on the “F” terminals on the oil primary control. This allows the safety
features of the controls to operate properly.
10. Adjust air pressure to 8-14psi if needed.(can vary due to geographic area) (pre set from
manufacturer)
11.
Air band on the side of the burner assembly should be closed to 1” open
(pre set from
manufacturer) Open too far can cause delayed start or no fire.
13.
After properly running and all minor adjustments, if any, are made (pre set from
manufacturer) Check inspection port for bright yellow not orange flame.
14. Flame should be halfway or less down the chamber.
15. Use adjustment screw on the air compressor to achieve proper air (8-14 psi)
16. Contact installer or manufacturer for fuel pump adjustment if needed
DO NOT START BOILER WHEN DELAYED START HAS OCCURRED AND CHAMBER / HEAT
EXCHANGERS ARE HOT, LET UNIT COOL BEFORE ATTEMPTING ANOTHER RESTART &
CHECK FOR ACCESSIVE OIL IN THE CHAMBER PRIOR TO RESTART. TOO MUCH OIL IN THE
CHAMBER UPON RESTART CAN CAUSE A BACKFIRE IN THE COMBUSTION CHAMBER. IF
TOO MUCH OIL IS PRESENT, IT IS RECOMMENDED TO CLEAN OR WIPE UP AS MUCH AS
POSSIBLE BEFORE A RESTART TO AVOID THIS FROM HAPPENING.
