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4. Mechanical Installation
Location
•
Model CXH-A/B heaters are certified for hazardous locations
listed in table C. When un-crating confirm nameplate (located
on control enclosure lid on left side of heater) matches what
was ordered. If listing does not meet hazardous location re-
quirements, contact Chromalox immediately.
•
Prior to installation ensure that heater configuration meets
environmental requirements. Model CXH-A/B heater are de-
signed with corrosion and moisture protection, but it is the
responsibility of the end user to ensure that materials are com-
patible with the application conditions.
•
Location should be free of interference from
chinery and
Figure 1: Mounting Location
Mounting
heaters are designed for use only in a perma-
nently mounted upright position. The maximum out of plane
dimensions as shown in Figure 2 must not be exceeded in ei-
ther
during operation and installation.
ply may cause nuisance tripping of over-temperature cutout
•
The ceiling or wall mounting surface and the anchoring
must be sufficient to support the combined weights
heater and mounting hardware (heater weights are listed in
Table A).
•
Heaters may be mounted at any convenient height above floor.
The minimum spacing shown in Figure 3 should
tained to adjacent walls and ceiling. If floor heat is
not mount higher than 8 to 10 feet 2.4 to 3.0 meters) above
.
© 2020 Chromalox,
•
Outlet air is hot, so avoid locations where heaters may blow
directly at personnel.
•
For best performance, locate heaters according to figure 1.
This will promote optimal air circulation and eliminate hot or
cold spots. Heaters should blow air parallel to exposed walls
(do not blow directly at
along the windward side when installed in a building exposed
to a prevailing
umns, ma-
•
to com-
the
main-
sired, do
and should be installed
Controlling thermostats to individual heaters should
mounted at shoulder height on inside walls or columns
clear of the discharge air stream of the unit. Allow at
least
in front of heater for air stream to
discharge freely. Do not mount mercury type thermostat
directly on unit, vibration could cause
Heater may be mounted on a shelf or stand from the
Be sure that mounting clearances are main-
tained and
bottom of unit has at least 1" (25mm)
clearance underneath it. This is necessary for good
air circulation and servicing of heat exchanger. All
mounting methods must allow for removal
.
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