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Series 3
Prepare boiler location
Install the burner
1. Secure the burner flange to the burner door using
the three (3) bolts provided.
2. Check for secure placement of insulation and sealing
rope on the burner door.
Connect breeching
Direct venting
The Ultra Oil boiler can be direct vented using the Field
Controls Direct Vent Kit, model number FDVS-46, and
vent pipe model number FVOP-415. Vent lengths are
limited to 15 feet. Air intake lengths are limited to 22
feet of rigid 4-inch pipe. Do not use flexible dryer vent.
Refer to instructions provided with the vent kit for vent
and air piping installation procedures.
Chimney venting
General chimney requirements:
The Ultra Oil boiler is designed for natural draft firing.
Connect boiler to vertical chimney.
•
Use vent material approved by local codes for oil-
fired burners. In their absence, refer to:
• NFPA 31, Installation of Oil-Burning Equipment.
• NFPA 211, Standard for Chimneys, Fireplaces,
Vents and Solid Fuel Burning Appliances.
• In Canada, refer to CSA B139, Installation
Code for Oil-Burning Equipment.
12
water boiler — Boiler Manual
Direct venting is allowed only with
Beckett NX and Riello BF5 burners.
Insufficient draft can cause flue gas
leakage and carbon monoxide emis-
sions, which will lead to severe personal
injury or death.
Inspect existing chimney before install-
ing new boiler. Failure to do any of the
following will result in severe personal
injury or death:
• Clean chimney, including removal of
blockage.
• Repair or replace damaged pipe or liner.
• Repair mortar and joints.
(continued)
3. Close the burner door and secure in place with the
burner door screws and washers.
4. Follow the burner manual and boiler manual
(pages 19 to 22) to wire the burner and connect fuel
lines.
Table 2
Chimney venting — vent sizing
Minimum
breeching
Model
diameter
(inches)
UO-3E
UO-4E
UO-5E
Note: boiler flue connection is 6-inch diameter
•
NFPA 211 requires chimney to be lined before con-
necting to boiler.
To prevent downdrafts, extend chimney at least 3 feet
above highest point where it passes through roof and 2
feet higher than any portion of building within 10 feet.
Increase chimney cross-sectional area and height at least
4% per 1,000 feet above sea level.
•
Minimum clearances from vent pipe to combustible
material:
• Type "L" doublewall vent — 6 inches
• Single wall vent —
•
Minimum chimney sizes should be used.
Oversized chimneys, outside masonry
chimneys and/or derated inputs can result
in condensation in chimney.
Minimum
chimney size
Minimum
(inches)
chimney
Rect.
Round
5
8 x 8
6
(6¾x6¾
6
liner)
6
18 inches
Part number 550-143-013/0621
height
(feet)
15
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