Checking And Adjusting Controls; High Limit - Dunkirk 3EW.65 Installation, Operation & Maintenance Manual

!
WARNING
Burn, scald hazard. 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.
NOTICE
You or your installer must follow these instructions
carefully.
Adjust Operating Controls
for first adjustment:

High Limit:

Baseboard and Convectors 200°F
Standing Radiators 180°F
Low Limit
(when used) 140º ( increase if hotter domestic
water is required, low limit set point must be at least 20°F less
than high limit set point)
When low limit is used, set ELL parameter on L7248
Honeywell control to ON. Boilers factory equipped with
tankless coils, are already set to ON.
Adjust Thermostat Heat Anticipator To: 0.2
Amp
s

CHECKING AND ADJUSTING CONTROLS

: Use the following settings
Check Thermostat Operation:
Follow instructions included with your thermostat.
Locate thermostat five feet above the floor on inside wall.
Locate thermostat to sense average room temperature,
avoid the following:
THERMOSTAT LOCATIONS TO AVOID
DEAD
HOT SPOTS
SPOTS
Concealed pipes
Behind
Fireplace
doors
Corners &
alcoves
Direct sunlight
When temperature on thermostat is set above indicated
thermostat temperature, boiler's burner should start. Verify
that when room temperature reaches selected temperature
setting, thermostat should turn boiler's burner off, and once
room temperature falls few degrees boiler starts operating
again.
Do not start burner unless all cleanout doors are
secured in place.
23
COLD SPOTS
Concealed pipes
or ducts
TV sets Stairwells drafts
Radios Doors drafts
Lamps
Unheated room
on other side of
wall
Kitchens