Laars mascot ft MFTHW Installation And Operation Instructions Manual page 6

Page 4
2.2 Specifications, 125 MBH and 140 MBH
Model Name
Gas Input Rate
Installation
Flue System
Vent Run
Orifice Size
Gas Supply Pressure
Manifold Pressure
Power Supply
Ignition System
Burner System
Gas Valve System
Dimensions
Weight
Main Controller / Control Display
Water Pressure
Connection Sizes
Materials
Safety Devices
MAX
MIN
Sealed Combustion Direct / Single Vent /Sidewall
NG
LP
NG
LP
Gas type
Max fire
Min fire
Main Supply
Maximum Power
Consumption
Direct Electronic Ignition / Automatic Flame Sensing
CH Supply/Return
Gas Inlet
Casing
Heat Exchanger
MFTHW120
120,000 Btu/h
24,000 Btu/h
Indoor / Wall hung type
Vent
2˝(50ft) , 3˝(100ft) Schedule 40 CPVC, PP
0.213˝ (5.4mm)
0.173˝ (4.4mm)
3.5˝ WC to 14.0˝ WC
3.5˝ WC to 14.0˝ WC
LP
-0.216˝ WC
0.00˝ WC
120V 60Hz / 4A
160W
Single Orifice Premixed Fuel Modulation Metal
Ceramic Infrared
Combination modulating (Current proportional)
W17.3˝ - H29.0˝ – D14.9˝
100 lbs
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
Flame Rod, Overheat Cut Off Device, Gas Valve
Operation Detector, Water Temperature Sensor,
Over-heat Limit Switch,
LAARS Heating Systems
MFTHW140
140,000 Btu/h
28,000 Btu/h
0.255˝ (6.5mm)
0.191˝ (4.85mm)
NG
-0.216˝ WC
0.00˝ WC