Form I-ADF, P/N 131805 R6, Page 27
DANGER: The gas burner in this direct gas-red system is designed and equipped to provide
safe, complete combustion. However, if the installation does not permit the burner to receive the
proper supply of combustion air, complete combustion may not occur. The result is incomplete
combustion which produces carbon monoxide, a poisonous gas that can cause death.
Always comply with the combustion air requirements in the installation codes and operating
instructions. The amount of air over the burner must be within the specied range. The
burner prole plates are set at the factory to match CFM requirements. Do not adjust
the burner prole plates without contacting the factory. FAILURE TO PROVIDE PROPER
COMBUSTION AIR CAN RESULT IN A HEALTH HAZARD WHICH CAN CAUSE PROPERTY
DAMAGE, SERIOUS INJURY, AND/OR DEATH. A direct-red installation must provide for air
changes as required by the applicable installation codes.
Limits Based on Eight -Hour Exposure and a 5-Day Week (Guide Only)
Substance .............. Percent.... PPM
Acetaldehyde .......... .001 .............. 10
Carbon Dioxide ....... .250 .......... 2500
Carbon Monoxide.... .001 .............. 10
Substance .............. Percent.... PPM
Formaldehyde ......... .000025 ..... 0.25
Nitrogen Dioxide ..... .0001 .............. 1
Sulphur Dioxide....... .00005 ......... 0.5
Note: At 100
°
F rise the CO
2
concentration will be in the order of 2500 ppm.
Index
B
Belt Tension 19
Blower Rotation 19
C
Clearances 4
Field-Provided Computer Control 22
Contact 28
Control Locations 23
D
Diagnostic Lights 24
Dimensions 4, 6
Dirty Filter Ligh 21
Dirty Filter Switch 21
Discharge Dampers 18
Discharge Temperature Low Limit 22
Disconnect Switch 19
Distributor 28
Door Switch 22
Drain and Fill Kit 16
Duct Connections 9
E
Evaporative Cooling Module 14
F
Indoor Filter Cabinet - 13, 14
Firestat 22
G
Gas Piping and Pressures 9
Gas Pressure Switches 11
Gas Supply Connection 10
Gas Supply Piping 10
H
HAZARD INTENSITY LEVELS 2
Hazard Labels 2
Hood with Filters 12
I
Indoor Filter Cabinet - 13
Inlet Air 11
Inspecting 4
Installation Codes 3
INSTALLATION RECORD 28
Installer 28
L
Location 3
M
Makeup Air 18
Manifold Pressure 11, 19
Model 28
Motor Loads 19
Mounting 7
O
Optional Screened Outside Air Hood without Filters 11
Outside Air Cutoff Control 21
R
Remote Console 20
Rigging 7
Roof Curb 8
S
Discharge Temperature Sensor 21
Serial No. 28
Shipped-Separate Components 4
Startup 22
Startup for Continuous Operation 26
Supply Pressure 10
Field-Supplied Supports 7
U
Uncrating 4
W
Warranty 3
Weights 7
Control Wiring 20
Supply Wiring 19
Additional
References
See your Factory Distributor for the following forms:
• Operation/Maintenance/Service - Form O-ADF/RDF (P/N 148385)
• Replacement Parts - Form P-ADF/ADFH (P/N 270068)
• Replacement Valves & Ignition Controls by Serial No. Code - Form P-VALVES (P/N 263995)
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