Technical data

6
F 8S & F 8ST Natural Gas
Category of Appliance F 8S II
2H3P
Category of Appliance F 8ST I
2H
The appliance is set for Gas Type G20 at 20mbar.
Heat Input (gross) High Med Low Low
kW 3.06 2.21 1.50 1.27
Btu/h 10,440 7,540 5,118 4,333
Heat Output (gross) High Med Low Low
kW 2.26 1.48 0.6 0.80
Btu/h 7,700 5,050 2,047 2,730
Setting Pressure Cold
F Range mbar 19.25 ± 0.75
in wg 7.7 ± 0.3
Setting Pressure Cold
Comfortstat mbar 20.00 ± 1.00
in wg 8.0 ± 0.4
Injector Size CO
1
Nox Class 2
Gas Rate
on HIGH 0.29 m
3
/h (10.28 ft
3
/h)
Gas Connection
F 8S - R
1
/
4
(
1
/
4
BSP external)
F 8ST - 8mm nut and olive
Ignition Piezo Spark
Packed Weight F 8S & F 8ST
24.4 kg (54 lbs)
Dimensions F 8S F 8ST
Height 430mm 430mm
Width 516mm 516mm
Depth 152mm 170mm
(from the wall)
Controls Rotary gas tap allowing
Non Thermostat manual adjustment
between low, medium
and high output.
Flame failure device.
Controls Rotary thermostat allowing
Comfortstat a lowt position and
adjustment between low and
high temperature settings.
Flame failure device.
Thermocouple
Output 8-13mv
Heat Exchanger Cast Iron
2.0 Technical Data
F 5 & F 5S Natural Gas
Category of Appliance II
2H3P
The appliance is set for Gas Type G20 at 20mbar.
Heat Input (gross) High Med Low
kW 2.05 1.41 0.86
Btu/h 7,000 4,800 3,000
Heat Output (gross) High Med Low
kW 1.5 0.98 0.57
Btu/h 5,100 3,350 1,950
Setting Pressure Cold
mbar 19.7 ± 0.75
in wg 7.9 ± 0.3
Injector Size CO
2
Nox Class 3
Gas Rate
on HIGH 0.195 m
3
/h (6.89 ft
3
/h)
Gas Connection R
1
/
4
(
1
/
4
BSP external)
Ignition Piezo Spark
Packed Weight F 5 F 5S
18 kg 18.4 kg
(39.7 lbs) (40.6 lbs)
Dimensions F 5 F 5S
Height 394mm 394mm
Width 426mm 450mm
Depth 126mm 128mm
(from the wall)
Controls Rotary gas tap allowing
manual adjustment
between low, medium
and high output.
Flame failure device.
Thermocouple
Output 8-13mv
Heat Exchanger Cast Iron
Except
Comfort
Stat
Comfort
Stat
Except
Comfort
Stat
Comfort
Stat
Installer Guide
Except
Comfort
Stat
Except
Comfort
Stat
© Baxi Heating U.K. Limited 2010.