Installation / Operation Instruction Manual

The FT Series Wall Mounted, Combination Boiler
Page 7
Model Name FTCW199
Gas Input Rate
MAX 199,000 Btu/h
MIN 19,900 Btu/h
Hot Water Capacity
35°F Rise 9.88 GPM
45°F Rise 7.7 GPM
77°F Rise 4.8 GPM
Installation Indoor / Wall hung type
Flue System
Sealed Combustion Direct / Single Vent / Concentric
Vent
Vent Run 2˝(50ft), 3˝(100ft) Schedule 40 CPVC, PP, PVC
Orice Size
NG 0.326” (8.3 mm)
LP 0.250” (6.35 mm)
Gas Supply Pressure
NG 3.5˝ WC to 10.5˝ WC
LP 8.0˝ WC to 13˝ WC
Manifold
Gas type NG LP
Vent size 2˝ VENT 3” VENT 3˝ VENT 3˝ VENT
Max Fire -0.129 ” WC -0.314 ” WC -0.169 ” WC -0.173 ” WC
Min Fire -0.015 ” WC -0.015 ” WC -0.015 ” WC -0.015 ” WC
Power Supply
Main Supply 120V 60Hz / 4A
Maximum Power
Consumption
160W
Ignition System Direct Electronic Ignition / Automatic Flame Sensing
Burner System Single Orice Premixed Fuel Modulation
Gas Valve System Combination modulating (Current proportional)
Minimum Flow Rate 0.5 GPM
Dimensions W19.6” - H32.0” - D16.3”
Shipping Weight 130 lbs (59 kg)
Sub Heat Exchanger Water Capacity(DHW) Under 1 Gallon
Main Controller / Control Panel NGTX-900CP / P-920C
Domestic Hot Water Pressure, DHW Min 15 ~ Max 150 PSI
Central Heat Water Pressure, CH Min 15 ~ Max 30 PSI
Connection Sizes
Cold Water Inlet / Hot Water
Outlet
3/4˝ NPT
(CH) Space Heating Supply/
Return
1˝ NPT
Gas Inlet 3/4˝ NPT
Materials
Casing Cold Rolled Carbon Steel
Heat Exchanger
Primary Heat Exchanger : Stainless Steel
Sub Heat Exchanger : Stainless Steel
Safety Devices
Optical Flame Sensor, Overheat Cut O󰀨 Device, Gas
Valve Operation Detector, Exhaust Temperature High
Limit Switch, Water Temperature High Limit Switch,
Low Water Cut O󰀨 , Air Pressure Sensor
2.2 Specications, 199