3
INSTALLATION AND OPERATING INSTRUCTIONS
SFC BOILER / WATER HEATERS - SFC 199
SPECIFICATION
SFC 199
CSA Input (Natural Gas or Propane) – MBH
28.3 - 125
CSA Input (Natural Gas or Propane) – KW
8.29 - 36.6
CSA Output – MBH
27.1 - 111
CSA Output - KW
7.94 - 32.5
DHW - CSA Input (Natural Gas or Propane) - MBH
28.3 - 199
DHW - CSA Input (Natural Gas or Propane) - KW
8.29 - 58.3
A.F.U.E
95%
Min Gas Pressure (Nat. Gas or Propane) – inch w.c.
4
Max Gas Pressure (Nat. Gas or Propane) – inch w.c.
14
Power (120Vac/60Hz) - Watts @ full fire with internal pump
120
Weight (empty) – lbs/Kg
84 / 38
Pressure Vessel water content – USG/Liters
0.19 / 0.72
Max boiler flow rate - USgpm
12
Min boiler flow rate - USgpm
2
Max Operating Pressure – Space Heating Coil - psig
†
43.5
Max Operating Pressure – Domestic Hot Water Coil - psig
150
Minimum water pressure - psig
8
Approved installation altitude - ASL
10,000 ft
Ambient Temperature – Low (°F/°C)
32/0
Ambient Temperature – High (°F/°C)
122/50
Max relative humidity (non-condensing)
90%
Min water Temperature - Space Heating (°F/°C)
50/10
Max water Temperature – Space Heating (°F/°C)
194/90
Min water Temperature – Domestic Hot Water (°F/°C)
104/40
Max water Temperature – Domestic Hot Water (°F/°C)
149/65
Min flow rate to activate DHW heating - USgpm
0.5
Max flow rate DHW heating - USgpm
7
Max equivalent vent length 3" (each side)
120'
Max equivalent vent length 2" (each side)
35’
* Natural Gas units require a Propane conversion kit included with unit (see page #3-2, Table 11)
.
Propane (LP) units require a Natural Gas conversion kit (see page
#3-2, Table 11) to be ordered separately if converting a Propane unit to Natural Gas.
† units are shipped with 30 psig pressure relief valve
SPECIFICATIONS
