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General Information
2.3 Technical Parameters
MODEL
Part No.
Natural Gas Input
(Operating Range)
Propane Input
(Operating Range)
Activation flowrate
Rated power
Standby
Freeze-Protection
Supply
Gas connection
Water Connections
Water Pressure *
Natural gas Inlet Pressure
Propane Inlet Pressure
Weight
Dimensions
Ignition
Water heater Category **
* 15 psi or above is recommended for flow.
** Water heater Category - water heaters of other than direct vent type, for outdoor. installation, are divided into
four categories based on static pressure produced in the vent and flue loss.
CategoryⅠ- a water heater that operates with a non-positive vent static pressure and with a vent gas
temperature that avoids excessive condensate production in the vent.
CategoryⅡ- a water heater that operates with a non-positive vent static pressure and with a vent gas
temperature that may cause excessive condensate production in the vent.
Category Ⅲ- a water heater that operates with a positive vent static pressure and with a vent gas temperature
that avoids excessive condensate production in the vent.
Category Ⅳ- a water heater that operates with a positive vent static pressure and with a vent gas temperature
that may cause excessive condensate production in the vent.
NOTICE
installation, are divided into four categories based on static pressure produced in the vent and flue loss.
08
Btu/hr
Btu/hr
GPM/min
W/A
W/A
W/A
VAC/Hz
inch
PSI (MPa)
"W.C. (KPa)
"W.C. (KPa)
lbs (kg)
inch
mm
Not recommended in excess of 2,000 ft. above sea level.
FDG-CS90
FDG-CS90AG-NG
FDG-CS90AG-LP
Min. 9,000
Max. 90,000
Min. 9,000
Max. 90,000
20 W/0.25 A
1/0.03
100/0.85
120/60
3/4" NPT
15-150 (0.1-1.0)
Min. 3.5 (0.87) Max. 10.5 (2.61)
Min. 8.0 (1.99) Max. 13.0 (3.23)
24.47 (11.1)
H 22.76" × W 14.57" × D 7"
H 580 × W 370 × D 178
Electric lgnition
Category Ⅲ
FDG-CS120
FDG-CS120BW-NG
FDG-CS120BW-LG
Min. 9,500
Max. 120,000
Min. 9,500
Max. 120,000
0.53
37 W/0.44 A
25.57 (11.6)
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