Quick Reference Guide

11 UH-TS-1
A Complete Line of Gas Heating Products
Continued
Direct Fired Outdoor Rooftop Gas
Heating Unit
Model DFOA
Trane’s direct fired outdoor heating
units are designed for relieving
negative pressure conditions inside
industrial and commercial facilities.
Unit sizes range from 1600-64,000
CFM with gas inputs of 275-7975
MBh. Units are available in horizontal
and vertical configurations and in ten
different unit sizes. Special units with
CFM ranges up to 100,000 and
cooling coil capability are also
available. All units are completely
piped, wired, waterproofed and
tested at the factory. All units are built
with UL approved components,
where applicable.
Direct Fired Outdoor Rooftop Gas Heating Unit
DFOA 109 112 115 118 215 218 220
Burner Range MBh 275-550 275-825 550-990 550-1375 825-1925 1100-2475 1650-3850
CFM Range 1600-3000 3250-4250 4500-6000 6500-8500 9000-12000 12500-17000 18000-26000
Continued
DFOA 222 225 230
Burner Range MBh 2200-4400 2475-6600 3850-7975
CFM Range 25000-31000 30000-46000 44000-64000
Direct Fired Indoor Gas Make-Up
Air Heater
Model DFIA
Direct fired indoor heating units are
designed specifically for indoor
installations in an industrial or
commercial setting. Their modular
design provides “mix and match”
flexibility that can be used to
customize these heaters for any
indoor application. Unit sizes range
from 1600-64,000 CFM with gas
inputs of 275-9075 Mbh. Units are
available in 14 standard models, both
horizontal and vertical configuration.
These units are suitable for floor or
ceiling suspension, with horizontal,
top and downflow discharge
arrangements available. All units are
completely piped, wired and test fired
at the factory.
Direct Fired Indoor Gas Make-Up Air Heater
DFIA 109 112 115 118 120 122 125 130
Burner Range MBh 275-550 275-825 550-990 550-1375 825-1650 990-2200 1375-3025 1925-4400
CFM Range 1600-3000 3250-4250 4500-6000 6500-8500 9000-11000 11000-15000 14000-20000 22000-30000
DFIA 215 218 220 222 225 230
Burner Range MBh 825-1925 1100-2750 1650-3850 2200-4400 2475-6600 3850-9075
CFM Range 9000-12000 12500-17000 18000-26000 25000-31000 30000-46000 44000-64000
Direct Fired