Pennco 3KW0.60 User Manual
Page 22
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Instructions for Limit control provided are included with boiler.
IMPORTANT: Installer follow these instructions carefully.
ADJUST OPERATING CONTROLS: Use following
settings for first adjustment:
High Limit:
Baseboard and Convectors 180°F
Standing Radiators 180°F
Low Limit (when used) 140º ( increase if hotter domestic
water is required, but low limit set point must be at least
20°F less than high limit set point
).
Do not attempt to start burner when excess oil
has accumulated, when unit is full of vapor, or
when combustion chamber is very hot.
Boiler
Model
Dimension “N”
(electrode to
nozzle)
Dimension “H”
(head to nozzle)
All
1/16”
7/32” - 9/32”
Dimension “Z” For L1, V1 Heads
1 ¾”
OPERATING THE BOILER
CHECKING AND ADJUSTING CONTROLS
Figure 13 - Beckett AFG Burner Electrode
Adjustments Variable (V1, L1) Heads
Figure 14 -
Beckett AFG Variable (V1) Head
Adjustments and Settings
When low limit is used:
• With Honeywell L7248L control, set ELL parameter on
L7248L control to ON.
• With Hydrolevel 3250 control, Set Z-l switch on 3250
control to l position.
Boilers factory equipped with tankless coil are factory set.
ADJUST THERMOSTAT HEAT ANTICIPATOR PER
LIMIT INSTRUCTIONS.