RBI FUTERA II Series Manual
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RBI FUTERA II Series Manual

Finned copper tube gas boilers (fb) & water heaters (fw)
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This manual is intended only for use by a qualified heating installer/technician. Read and follow this manual, all supplements and related
instructional information provided with the boiler. Install, start and service the boiler only in the sequence and methods given in these
instructions. Failure to do so can result in severe personal injury, death or substantial property damage.
Do not use the boiler during construction.
the burner, resulting in possible severe personal injury, death or substantial property damage. The boiler can only be operated with a dust-
free air supply. Follow the instruction manual procedures to duct air to the boiler air intake. If the boiler has been contaminated by operation
with contaminated air, follow the instruction manual guidelines to clean, repair or replace the boiler if necessary.
Affix these instructions near to the boiler/water heater. Instruct the building owner to retain the instructions for future use by a qualified
service technician, and to follow all guidelines in the User' s Information Manual.
Finned Copper Tube
Gas Boilers (FB) &
Water Heaters (FW)
Boiler Manual
Installation and Operation
Instructions
Construction dust and particulate, particularly drywall dust, will cause contamination of
FTII-IOM-15
82-0253
04/2021 Copyright 2014 Mestek, Inc.

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Summary of Contents for RBI FUTERA II Series

  • Page 1 FTII-IOM-15 82-0253 Finned Copper Tube Gas Boilers (FB) & Water Heaters (FW) Boiler Manual Installation and Operation Instructions This manual is intended only for use by a qualified heating installer/technician. Read and follow this manual, all supplements and related instructional information provided with the boiler. Install, start and service the boiler only in the sequence and methods given in these instructions.

  • Page 2: Table Of Contents

    BEFORE YOUR START ......2 and maintenance of a Futera II Series finned copper heating boiler/water heater/pool heater.

  • Page 3: Ratings & Capacities

    NEVER place this boiler/water heater in a location that would subject it to temperatures at or near freezing. Before undertaking the installation of the Futera II Series See the “Freeze Protection” section on page 18. boiler/water heater check the rating plate to ensure that the unit has been sized properly for the job.
  • Page 4 3 in, 76 mm from, the top of the enclosure. using the direct vent option. The RBI air intake adapter The bottom opening must be within 12 in, 305 mm of, but must be fitted to the blower inlet.

  • Page 5: General Venting Guidelines

    3 ft, 0.9 m intervals with overhead hangers. The certified combustion air terminal from RBI VENT SYSTEM OPTIONS must be used and installed as shown in Figures 3 and 4.
  • Page 6 FUTERA II INSTALLATION AND OPERATION INSTRUCTIONS Torus Stainless Steel Condensing Boilers & Water Heaters – Installation Manual Figure A - Direct Vent Terminal Clearances Canadian Installations¹ US Installations² Clearance above grade, veranda, porch, 12 in (30 cm) 12 in (30 cm) deck, or balcony 6 in (15 cm) for appliances <...
  • Page 7 Torus Stainless Steel Condensing Boilers & Water Heaters – Installation Manual FUTERA II INSTALLATION AND OPERATION INSTRUCTIONS Figure A - Direct Vent Terminal Clearances - Concluded Clearance to a mechanical air 3 ft (91 cm) above if within 10 ft (3 m) 6 ft (1.83 m) supply inlet horizontally...
  • Page 8 Torus Stainless Steel Condensing Boilers & Water Heaters – Installation Manual FUTERA II INSTALLATION AND OPERATION INSTRUCTIONS Figure A - Other Than Direct Vent Terminal Clearances - Concluded Clearance to a mechanical air supply 3 ft (91 cm) above if within 10 ft (3 m) 6 ft (1.83 m) inlet horizontally...
  • Page 9 The vent system must be both gas tight and watertight. All seams and joints in metal pipes must be joined and sealed Equivalent Feet of Straight Pipe (ft) - Futera II Series in accordance with the vent system manufacturer’s Model/Outlet...
  • Page 10 FUTERA II INSTALLATION AND OPERATION INSTRUCTIONS Figure 1 - Air Intake Vertical or Thru Wall Figure 2 - Venting Thru Wall/Vertical...
  • Page 11 FUTERA II INSTALLATION AND OPERATION INSTRUCTIONS Figure 3 – Horizontal Air Intake and Venting for a Single Direct Vent System 10 ft (3.1 m) 1/4 IN. PER FOOT 20 mm/m 16 FT 4.9 m 1.5 FT 0.5 m WARNING: When running horizontal combustion air and venting for single or multiple units, exhaust and combustion air 2000 &...
  • Page 12 FUTERA II INSTALLATION AND OPERATION INSTRUCTIONS Figure 5 - Vertical Air Intake and Venting for Direct Vent System 10 FT 3.1 m 4 FT 1.2 m 5 1/2 FT 1.7 m 1.5 FT 0.5 m 5 FT 1.5 m Figure 6 – Combination Direct Vent Systems 3 FT.
  • Page 13 FUTERA II INSTALLATION AND OPERATION INSTRUCTIONS SIDE WALL VENT, VERTICAL/CHIMNEY VENT, POSITIVE PRESSURE, CATEGORY III NEGATIVE PRESSURE, CATEGORY I In this configuration the boiler/water heater blower is used The Futera II is listed as a Category I appliance when to push the flue products horizontally to the outdoors, see vented vertically into a listed metal chimney system or Figure 7.
  • Page 14 FUTERA II INSTALLATION AND OPERATION INSTRUCTIONS The vent connector should be sloped up toward the WA R N I N G : Fa i l u r e t o m a i n t a i n m i n i mu m chimney at a minimum rate of 1/4 in/ft, 21 mm/m.
  • Page 15 FUTERA II INSTALLATION AND OPERATION INSTRUCTIONS Figure 8 – Vertical Venting with a Metal Chimney System...

  • Page 16: Outdoor Venting

    FUTERA II INSTALLATION AND OPERATION INSTRUCTIONS Figure 9 – Vertical Venting using a Masonry Chimney OUTDOOR VENTING When installed outdoors the Futera III must be fitted with Avoid locations where wind deflection off of adjacent walls, the factory supplied outdoor hood, air intake adapter with buildings or shrubbery might cause a downdraft.

  • Page 17: Common Vent Systems

    FUTERA II INSTALLATION AND OPERATION INSTRUCTIONS COMMON VENT SYSTEMS e) Test for spillage at the draft hood relief opening after 5 minutes of main burner operation. Use the flame of a If an existing boiler/water heater is removed from a match or candle, or smoke from a cigarette, cigar or pipe.
  • Page 18 FUTERA II INSTALLATION AND OPERATION INSTRUCTIONS Freeze Protection The water used for dilution of concentrated heat transfer fluids This boiler/water heater is CSA designed certified for out- must be distilled, de-ionized, or equivalently clean as stated door installation. Outdoor installations in areas where the above.

  • Page 19: Heating System Piping

    FUTERA II INSTALLATION AND OPERATION INSTRUCTIONS HEATING SYSTEM PIPING Table 7 - Temperature Rise ∆T = 20°F ∆T = 11.1°C Model Flow Rate Pres. Drop Flow Rate Pres. Drop General Piping Requirements Number All heating system piping must be installed by a qualified 42.5 0.53 technician in accordance with the latest revision of the...
  • Page 20 FUTERA II INSTALLATION AND OPERATION INSTRUCTIONS Low Water Cutoff Low Return Water Temperatures If a boiler is installed above any radiation elements it must To prevent the problems associated with condensation be fitted with a low water cutoff device. of the products of combustion due to low return water temperatures a primary/secondary piping system with a Refer to the wiring diagram supplied with the boiler/water bypass and bypass valve must be installed, see Figure...

This manual is also suitable for:

Futera ii 500Futera ii 750Futera ii 1000Futera ii 1250Futera ii 1500Futera ii 1950

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