IBC VFC 15-150 Installation And Operating Instructions Manual

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INSTALLATION AND OPERATION INSTRUCTIONSVFC 15-150, VFC 45-225 MODULATING GAS BOILERS3SPECIFICATIONSSPECIFICATION VFC 15-150 VFC 45-225CSA Input (Natural Gas or Propane) - MBHCSA Input (Natural Gas or Propane) - kWCSA Output - MBHCSA Output - kW15 - 1504.4 - 4414 - 1394.1 - 4145 - 22513 - 6641 - 20612 - 60A.F.U.E. 95% 95%Minimum gas supply pressure (Natural Gas orPropane) - inch w.c.3333Maximum gas supply pressure (Natural Gas orPropane) - inch w.c.14141414Power use (120Vac/60Hz) @ full fire - Watts(excluding pumps)57 167Weight (shipping) - lbs/Kg 165 / 75 168 / 76Pressure vessel water content - USG/Litres 2.4 / 9 2.4 / 9Maximum boiler flow rate - USgpm 16 25Minimum boiler flow rate - USgpm 4 8Maximum operating water pressure* - psig 80 80Minimum water pressure - psig 8 8Normal flue temperature @ 100°F boiler returnwater temperature - high fire100 to 105 °F37.8 to 40.5°C100 to 105 °F37.8 to 40.5°CNormal flue temperature @ 160°F boiler returnwater temperature - high fire160 to 165 °F71.1 to 73.9°C160 to 165 °F71.1 to 73.9°CApproved installation altitude - ASL 0 - 12,000’ 0 - 12,000’Ambient temperature - Low (°F-°C)Ambient temperature - High (°F-°C)32°F / 0°C122°F / 50°C32°F / 0°C122°F / 50°CMax. relative humidity (non-condensing) 90% 90%Minimum water temp. 34°F / 1.1°C 34°F / 1.1°CMaximum water temp. (electronic hi-limit) 190°F / 87.8°C 190°F / 87.8°CMaximum water temp. (mechanical hi-limit) 200°F / 93.3°C 200°F / 93.3°CMax. ΔT - supply/return (electronic fence) 40°F 40°FMaximum equivalent vent length - 2”Each side (Vent & Air Intake)) - 3”(Natural Gas or Propane)Air intake options: either direct vent or indoorsupply50’120’N/A240’* boilers are shipped with 30 psig pressure relief valve