Manual
Pre-Installation Items
2
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Installation of the Cascade must comply with local codes
and requirements and with the latest edition of National
Fuel Gas Code NFPA 54, ANSI Z223.1 for installations
in the U.S. For Installations in Canada, the installations
must comply with latest edition of CAN/CSA B149.1.
The installation of the Cascade must be installed in
accordance with the Standards for Controls and Safety
Devices for Automatically Fired Boilers ANSI/ASME
CSD-1 (CSD-1) when required.
The Cascade must be fully constructed using ONLY the
components from Triangle Tube.
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Consider the following; piping, venting, gas, electric and
drain when selecting a location for the Cascade.
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The PRESTIGE Solo 250 or Solo 399 is approved for
zero clearances to combustibles, excluding vent and
boiler piping.
- Vent & Boiler Piping – ¼” from combustible materials
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- Top boiler jackets – 24 inches
- Front boiler jackets – 24 inches
- Bottom boiler jackets – 24 inches
- Rear of boiler jacket – 13 inches
- Left side of outer left boiler jacket – 9 inches
- Right side of outer right boiler jacket – 9 inches
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BEST PRACTICE
WARNING
Consult local codes for any additional clearance requirements.
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Prior to installation, check to ensure all parts required for
the completion of the Cascade are present. See Figures
1- 6 and Tables 1 and 2, pages 3-8 for complete break-
down of Solo 250 boiler cascade kit components. See
Figures 7-9 and Table 3 pages 9-10 for optional Solo
250 boiler reverse return with valve kit and kit compo-
nents. See Figures 10 - 15 and Tables 4 and 5, pages 11-
16 for complete breakdown of Solo 399 boiler cascade
kit components. See Figures 16-18 and Table 6 pages
17-18 for optional Solo 399 boiler reverse return with
valve kit and kit components. See page 19 for optional
kits and kit components for both Solo 250 & 399 boilers.
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• Maximum water temperature is 200ºF
• Maximum working pressure for PRESTIGE Solo
250 Boilers is 30 psig.
• Maximum working pressure for PRESTIGE Solo
399 Boilers is 30 psig.
• Maximum working pressure for PRESTIGE Solo
399HP is 80 psig.
• Maximum working pressure for Cascade Manifold
is 80 psig.
• pH and chloride limits for water heaters are:
- chloride, less than 150 mg/l (ppm)
-pH value min. 6 - max. 8
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NOTICE
NOTICE