Dunkirk Excelsior EXB Series - Manual (Page 45)

45
NOTICE
Before starting or resetting control from restricted
lockout state, troubleshoot heating system for root
cause(s) of lockout.
8. Genisys Control - Resetting From Restricted
or Hard Lockout.
A. Make necessary repairs or adjustment to ensure
safe start condition.
B. Ensure appliance is free of oil and oil vapors
before starting or resetting burner
C. If control continues to lock out without satisfied call for
heat, or fails motor relay check, control enters Hard
(restricted) Lockout in order to limit accumulation of
unburned oil in combustion chamber.
D. To reset, hold button down for 15 seconds until red
light turns off and yellow light turns on.
E. Always verify control functions according to
specifications before leaving installation site.
F. Replace control if it does not operate as specified.
9. Genisys Control - Disable Function
Anytime burner is running, press and hold reset button to
disable burner. Burner will remain off as long as button is
held.
WARNING
Remove jumper after following check.
!
16.10 Check High Temperature Limit Control .
Jumper thermostat terminals. Allow burner to operate until
shut down by limit. Installation is not considered complete
until this check has been made.
16.11 Test Low Water Cut-Off Operation. See
Figure 36, Page 41.
16.12 If Controls Do Not Meet Requirements
replace control and repeat checkout procedures.
16.13 Nozzles And Electrodes: Use proper size,
spray angle, and spray pattern nozzle.
A. Refer to “17 - Oil Burner, Nozzle, & Air Settings” on
page 44.
B. To install nozzle, remove nozzle line electrode
assembly, if necessary remove retention ring
assembly, install and tighten nozzle. Be careful not to
damage electrode insulators or bend electrode tips.
16 - OPERATING THE BOILER - SYSTEM START-UP
C. After installing nozzle, reassemble nozzle line
electrode assembly and set electrode tip spacing.
D. Electrode tip spacing may need to be set prior to
reassembling nozzle line electrode assembly. Refer
to figures on following pages for setting electrode tip
spacing on Beckett.
16.14 Check Thermostat Operation: Thermostat
location has important effect on operation of boiler system.
A. Follow instructions included with your thermostat.
Typically, thermostat is located about five feet above
floor on inside wall.
B. Thermostat should be located to sense average room
temperature.
Table 10 - Thermostat locations to Avoid
DEAD
SPOTS
HOT SPOTS COLD SPOTS
Behind
doors
Concealed pipes Concealed pipes
or ducts Fireplace
TV sets Stairwell drafts
Corners &
alcoves
Radios Door drafts
Lamps
Unheated room
on other side of
wall
Direct sunlight
Kitchens
C. Verify room temperature reaches selected
temperature setting, thermostat should turn boiler’s
burner off, and once room temperature falls few
degrees boiler starts operating again.