Laars MFTHW199 - Page 7

Mascot FT, Heating Only, Boiler
Page 5
2.2 Specications,199MBH
Model Name MFTHW199
Gas Input Rate
MAX 199,000 Btu/h
MIN 19,900 Btu/h
Installation Indoor / Wall hung type
Flue System Sealed Combustion Direct / Single Vent / Concentric Vent
Vent Run 2˝(50ft) , 3˝(100ft) Schedule 40 CPVC, PP
Orice Size
NG 0.326˝ (8.3mm)
LP 0.244˝ (6.2mm)
Gas Supply Pressure
NG 3.5˝ WC to 14.0˝ WC
LP 3.5˝ WC to 14.0˝ WC
Manifold Pressure
Gas type
LP NG LP NG
Max re
-0.169 ˝ WC -0.129”W.C -0.173 ˝ WC -0.134 ˝ WC
Min re -0.015”W.C -0.015”W.C -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 Metal Ceramic
Infrared
Gas Valve System Combination modulating (Current proportional)
Dimensions W19.6˝ - H32.0˝ – D16.2˝
Weight 110 lbs
Main Controller / Control Display NGTB-900CP / P-950EH
Water Pressure Min 15 ~ Max 30 PSI
Connection Sizes
CH Supply/Return 1 ¼˝ 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
Flame Rod, Overheat Cut Off Device, Gas Valve Operation
Detector, Water Temperature Sensor, Over-heat Limit Switch,