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DATE
SALES
REFERENCE
DIVISION SECTION
Chromalox
®
(Supersedes PF455-2)
PF455-3
DH
161-562766-001
FEBRUARY, 2001
4
Chromalox Electric Airduct Heaters
with Fintube Heating Elements
© 2010 Chromalox, Inc.
GENERAL
These heaters are designed to be installed in either a horizontal
or vertical duct in one of the six positions shown in figure 16. The
heater is constructed with individual metal sheath fintube elements
mounted to a heavy gauge metal terminal box.
Due to the various options and materials available, check the
nameplate attached to the heater terminal box with the catalog
number designation system on page 7 before installing to insure
the heater you received conforms to your specification.
Please read these directions carefully to insure all limitations
are properly observed and all wiring and controls are properly
installed and connected.
IMPORTANT — Observe at least one complete heating cycle
operation before leaving the installation.
DHII
Integral Controls
Insert Type
Figure 1
DHIF
Integral Controls
Flanged Type
Figure 3
DHRF
Remote Controls
Flanged Type
Figure 4
DHRI
Remote Controls
Insert Type
Figure 2
Conduit
Entrance Plate
W
H
W
H
W
H
W
H