Instructions To Obtain Proper Operation Of The Boiler-Burner Unit - UTICA BOILERS SW3 Installation, Operation & Maintenance Manual

INStRuCtIONS tO OBtAIN pROpER OpERAtION OF thE BOILER-BuRNER uNIt

Table below is provided as guideline for initial start-up.
Final adjustments MUST be made using combustion
instruments as previously mentioned.
Boiler Burner
No.
SW3
SW4
SW5
Boiler Burner
No.
SW3 AFII 100
SW4 AFII 100
SW5 AF 11 150
• Use only number 2 fuel oil.
• Do not use gasoline, crankcase drainings or
any oil containing gasoline.
!
• Do not attempt to start the burner when
excess oil has accumulated, when the unit
is full of vapor or when the combustion
chamber is very hot.
Check Safety Control Circuit after burner adjustments
have been made for satisfactory performance.
A. HIGH LIMIT CONTROL:
temperature setting. See figure 15 on page 15. With
burner operating, decrease this setting to minimum
point. When boiler water temperature exceeds this
set point, high limit switch will open, shutting off
power to oil burner and starting post purge cycle for
approximately 2 minutes. Return setting to desired
high limit point. Burner should restart.
Air
No. Damp
BF3 4.00
BF5 4.25
BF5 5.50
Air
No. Damp
3.25
7.50
5.00
WARNING
remove cover and note
REILLO SETTINGS
Turb.
Setting
2
3
4
BECKETT SETTINGS
Pin
3
5
8
B. PRIMARY CONTROL AND FLAME SENSOR:
To Check:
• Flame failure - simulate by shutting off oil supply
with hand valve while burner is on. 15 seconds after
flameout, safety switch locks out, ignition stops,
motor stops and oil valve closes. To restart, open oil
supply valve and reset safety switch.
• Ignition failure - with burner off, unplug electrical
disconnect on burner harness. Disconnect one wire
from transformer and put wire nut on disconnected
wires . Restore power and run through start-up
procedure, safety switch should lockout as flame
failure. Reconnect wires after this procedure is
complete.
• Power failure - Turn off main power supply switch
while burner is operating. When burner stops, restore
power and burner should start.
If operation is not as described as above, check wiring and
controls.
15
Pump
Head
Pressure
150 PSI 6 SLOT
150 PSI 9 SLOT
150 PSI 9 SLOT
Pump
Head
Pressure
140 PSI HLX 6
140 PSI HLX 6
140 PSI HLX 6
Nozzle
Furnished
.60 80 W
.85 80 W
1.10 60 B
Nozzle
Furnished
.60 45B
.85 45B
1.10 45B