Use and Care Manual

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110637-01 - 5/20
RRO Installation & Service Manual
2. IF NOZZLE CONTINUES TO DRIP, repeat
Paragraph H, No. 1 above. If this does not
stop the dripping, remove cut-off valve and
seat, and wipe both with a clean cloth until
clean, then replace and readjust oil pressure.
If dripping or after burn persist replace fuel
pump.
I. TEST CONTROLS.
1. Check thermostat operation. Raise and lower
thermostat setting as required to start and stop
burner.
WARNING
Before installation of the boiler is considered
complete, the operation of all boiler controls
must be checked, particularly the primary
control and high limit control.
2. VERIFY OIL PRIMARY CONTROL
FEATURES using procedures outlined
in Instructions furnished with control or
instructions provided with burner.
3. CHECK HIGH LIMIT
Figure 9-1: Adjusting Fuel Pump Pressure
a. Adjust system thermostat(s) to highest
setting.
b. Allow burner to run until boiler water
temperature exceeds high limit setting. The
burner should shut down and circulators
continue running.
c. Allow the temperature to drop below control
setting. The burner must restart.
d. Boiler installation is not considered
complete until this check has been made.
e. Check operating control on boiler
applications equipped with tankless
heater(s). With burner off, draw hot water
until burner starts, then turn off hot water
and check burner shut-down.
J. IF CONTROLS MEET REQUIREMENT outlined
in Paragraph I.
1. Allow boiler to operate for approximately 30
minute, confirm the boiler and system have no
leaks.
K. IF CONTROLS DO NOT MEET
REQUIREMENTS outlined in Paragraphs I-1
thru I-6, replace control and repeat checkout
procedures.
9 System Start-Up (continued)
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