Model IGX Make-Up Air
5
®
Clearance to Combustibles
Clearance to combustibles is defined as the minimum
distance required between the unit and adjacent
combustible surfaces to ensure the adjacent surface
temperature does not exceed 90ºF above the
ambient temperature.
Floor
Top
Sides
Ends
Indirect Gas-Fired
Units
0
0
0
0
All measurements are shown in inches (cm).
Recommended Minimum Service Clearances
Model
Housing
A inches (cm)
IGX
H12
42 (1067)
on the controls side
of the unit
H22
H32
* 67 in. (170 cm) when equipped with evaporative cooling module
** 61 in. (155 cm) when equipped with evaporative cooling module
over 4800 cfm
Service Clearances
Service clearances are factory recommendations for
ease of servicing
.
All deviations must still adhere to
clearance to combustibles requirements. All deviations
from the service clearance recommendations are at
the discretion of the end-user as this may impede
component removal.
Reference the
Start-Up: Optional Features,
Other,
PDX Cooling Module
section in this IOM for further
clearance requirements, if applicable.
Not all models listed will incorporate access on both
sides; this will vary based on supply fan type and
options selected.
Installation
Required Clearances
