Laars FT Series Installation And Operation Instructions Manual page 7

The FT Series Heating Only, Boiler
2.2 Specifications, 140 MBH
Model Name
Gas Input Rate
Flue System
Vent Run / Vent Material
Orifice Size
Gas Supply Pressure
Manifold Pressure
Power Supply
Ignition System
Burner System
Gas Valve System
Dimensions
Shipping Weight
Main Controller / Control Display
Water Pressure
Connection Sizes
Materials
Safety Devices
MAX
MIN
Installation
NG
LP
NG
LP
Gas type
Max fire
Min fire
Main Supply
Maximum Power
Consumption
CH Supply/Return
Gas Inlet
Casing
Heat Exchanger
FTHW140
140,000 Btu/h
14,000 Btu/h
Indoor / Wall hung type
Sealed Combustion Direct / Single Vent /Sidewall
Vent
2˝(50ft), 3˝(100ft) Schedule 40 CPVC, PP, PVC
0.244" (6.2 mm)
0.185" (4.7 mm)
3.5˝ WC to 10.5˝ WC
8.0˝ WC to 13.0˝ WC
LP
-0.130" WC (+/- 0.01)
0.004" WC (+/- 0.001)
120V 60Hz / 4A
160W
Direct Electronic Ignition / Automatic Flame Sensing
Single Orifice Premixed Fuel Modulation Metal
Ceramic Infrared
Combination modulating (Current proportional)
W17 ⅜˝ - H29˝ – D15 ½˝
102 lbs (46 kg)
NGTB-900CP / P-950EH
CH Min 15 ~ Max 30 PSI
1 ¼˝ NPT
3/4˝ NPT
Cold Rolled Carbon Steel
Primary Heat Exchanger : Stainless Steel
Sub Heat Exchanger : Stainless Steel
Optical Flame Sensor, Low Water Cut Off Sensor,
Flue Gas Limit Sensor, Overheat Cut Off Device,
Gas Valve Operation Detector,
Water Temperature Sensor, Over-heat Limit Switch ,
Air Pressure Sensor
Page 7
NG
-0.100" WC (+/- 0.01)
0.002" WC (+/- 0.001)