INSTALLATION AND OPERATION INSTRUCTIONS
VFC 15-150 - VFC 45-225 MODULATING GAS BOILERS
SAFETY CONSIDERATIONS
SPECIFICATIONS
WARNING
If the information in this
manual is not followed
exactly, a re or explosion
may result causing property
damage, personal injury, or
loss of life.
Installation, start-up and servicing of IBC boilers must be done with due
care and attention, and should only be performed by competent, qualied,
licensed and trained heating technicians.
Failure to read and comply with all instructions and applicable National and
local codes may result in hazardous conditions that could result in prop-
erty damage and injury to occupants which in extreme cases might result
in death.
HAZARDS &
PRECAUTIONS
WARNING
Points out a potentially
hazardous situation which
must be avoided to prevent
serious injury or death.
CAUTION
Points out a potentially
hazardous situation which
must be avoided to prevent
possible moderate injury and/
or property damage
NOTE
Points out installation,
maintenance and operation
details that will result in
enhanced efciency, longevity
and proper operation of your
boiler.
DANGER
Points out an immediately
hazardous situation which
must be avoided in order
to prevent serious injury or
death.
SPECIFICATION VFC 15-150 VFC 45-225
CSA Input (Natural Gas or Propane) - MBH
CSA Input (Natural Gas or Propane) - kW
CSA Output - MBH
CSA Output - kW
15 - 150
4.4 - 44
14 - 139
4.1 - 41
45 - 225
13 - 66
41 - 206
12 - 60
A.F.U.E. 96.1% 96.1%
Minimum gas supply pressure (Natural Gas or Propane) - inch
w.c.
3
3
3
3
Maximum gas supply pressure (Natural Gas or Propane) - inch
w.c.
14
14
14
14
Power use (120Vac/60Hz) @ full re - Watts (excluding pumps) 57 158
Weight (shipping) - lbs/Kg 165 / 75 168 / 76
Pressure vessel water content - USG/Litres 2.4 / 9 2.4 / 9
Maximum boiler ow rate - USgpm 16 25
Minimum boiler ow rate - USgpm 4 8
Maximum operating water pressure* - psig 80 80
Minimum water pressure - psig 8 8
Normal ue temperature @ 100°F boiler return water temperature
- high re
100 to 105 °F
37.8 to 40.5°C
100 to 105 °F
37.8 to 40.5°C
Normal ue temperature @ 160°F boiler return water temperature
- high re
160 to 165 °F
71.1 to 73.9°C
160 to 165 °F
71.1 to 73.9°C
Approved installation altitude - ASL 0 - 8,000’ 0 - 8000’
Ambient temperature - Low (°F-°C)
Ambient temperature - High (°F-°C)
32°F / 0°C
122°F / 50°C
32°F / 0°C
122°F / 50°C
Max. relative humidity (non-condensing) 90% 90%
Minimum water temp. 34°F / 1.1°C 34°F / 1.1°C
Maximum water temp. (electronic hi-limit) 190°F / 87.8°C 190°F / 87.8°C
Maximum water temp. (mechanical hi-limit) 200°F / 93.3°C 200°F / 93.3°C
Max. ΔT - supply/return (electronic fence) 35°F 35°F
Maximum equivalent vent length - 2”
Each side (Vent & Air Intake)) - 2 1/2”
(Natural Gas or Propane) - 3”
Air intake options: either direct vent or indoor supply
50’
70’
120’
N/A
N/A
240’
Supplied with the boiler - The IBC boiler is shipped with an accessory parts kit
consisting of the following items:
• 1 x Vent connection kit
• 1 x Condensate trap kit
• 1 x 30 psig pressure relief valve (higher pressure 75 psig - by special order).
• 1 x Outdoor temperature sensor
* boilers are shipped with 30 psig pressure relief valve - up to 75 psig relief valve can be ordered