Mascot FT, Heating Only, Boiler
Page 5
2.2 Specifications, 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
Orifice 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 fire
-0.169
˝
WC
-0.129”W.C -0.173
˝
WC
-0.134
˝
WC
Min fire
-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 Orifice 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,
Summary of Contents for mascot ft MFTHW
Page 52: ...LAARS Heating Systems Page 50 4 19 Control Board Electrical Diagram Control Board ...
Page 53: ...Mascot FT Heating Only Boiler Page 51 4 20 Ladder Diagram ...
Page 71: ...Mascot FT Heating Only Boiler Page 69 6 2 Fault Tree Analysis 1 Flame detection ...
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