Carlin EZ-1/2/3 - Manual (Page 6)

Carlin part number MNEZ123 Rev. 07/13/11
– 6 –
Model EZ-1/2/3 oil burners — Instruction manual
2. Prepare site • assemble burner • mount burner
(continued)
Combustion/ventilation air checklist
The burner may operate successfully under momentary
downdraft conditions, but sustained downdraft is un-
safe. This can occur with an inadequate or incorrectly
installed chimney/vent. It can also occur in rooms/
buildings equipped with exhaust fans or unsealed
return air ducts.
Always check operation of the burner under all condi-
tions to verify vent system operates correctly.
Combustion/ventilation air openings:
Always provide combustion/ventilation air to the appli-
ance room sufficient to prevent any negative pressure
in the space — if necessary, install new or additional
air openings. See instructions in this manual.
Piped combustion air applications:
Burners with piped combustion air require the Field
CAS-1 combustion air system. This includes a vacuum
relief valve that will cause combustion air to be taken
from the room if the combustion air piping becomes
blocked or if any condition causes a vacuum in the
air piping. The equipment room must have adequate
air openings to provide combustion air should this
occur. See instructions in this manual for combustion
air openings.
Failure to correct downdraft or negative room pressure
operation could result in severe personal injury, death
or substantial property damage.
❏ Verify that openings are unobstructed.
❏ Verify that appliance space and air source spaces are free of:
• Gasoline or other flammable liquids or vapors.
• Combustible materials.
• Air contaminants and chemicals, such as laundry products, paint, thinner,
varnish, etc.
❏ Confirm with the building owner that the area will be kept free of these
materials at all times and that air openings will be kept unobstructed.
Optional air intake systems
• Combustion air can be piped to the burner from outside if the burner is
fitted with either a Burner Cover or P/N 97406 Air Intake System.
• You must use a Field Controls Model CAS-1 Combustion Air Supply Duct
Kit or equivalent, and install as per kit manufacturer’s instructions and
any associated instructions in the Burner Cover or 97406 Air Intake
System instructions.
Even if using an (optional) air intake system, make sure the
space provides enough ventilation to prevent overheating of
the appliance, burner and controls. The equipment room must
have combustion air/ventilation openings sized large enough
to provide air for cooling the equipment and for combustion
when needed. Failure to comply can result in severe personal
injury, death or substantial property damage.
Air piping
Follow all manufacturers’ instructions carefully when install-
ing the air intake duct assembly. Failure to carefully follow all
instructions can result in hazardous operating conditions.
1. Install the optional air inlet adapter if the burner is fitted with a Burner
Cover.
Air piping must be 4-inch diameter metal or PVC. Install a
4x3 reducer at the air adapter (if using a burner cover).
2. Connect air piping to the Field Controls Model CAS-1 Combustion Air
Supply Duct Kit and install as per Field Controls’ instructions.)
Maximum air piping length
1. USE ONLY 4-inch air piping.
2. DO NOT exceed 80 equivalent feet of air piping. NOTE: Install vent
piping as specified in appliance manufacturer’s instructions.
3. Reduce maximim length by 10 equivalent feet for each elbow in the
air piping.
4. Example: The air piping could consist of (3) elbows (equals 30 equivalent
feet) and 50 feet of straight piping; or (4) elbows (equals 40 equivalent
feet) and 40 feet of straight piping.
Burner adjustments with optional Burner Cover
1. Follow the instructions in this manual for final adjustments to the burner
using combustion test instruments.
2. Once combustion is initially set, re-install the cover and test again. If
necessary, remove the cover and readjust the burner. Repeat the process
until combustion is correct with the cover in place.
3. You must also measure air inlet temperature during start-up to properly
the set combustion. Follow the instructions in this manual.
Burner adjustments with optional Air Intake
System
1. Follow the instructions in this manual and in the Air Intake System
instructions for adjustments to the burner using combustion test
instruments.
2. You must also measure air inlet temperature during start-up to properly
the set combustion. Follow the instructions in this manual.