WARNING
Fire
H
a
z
ard
S
ome
objects
will
catch
fire
or
explode
when
placed
close
to
heater.
K
eep
all
flammable
objects,
liquids
and
vapours
the
required
distance
away
from
the
heater.
Failure
to
follow
these
instructions
can
result
in
death,
injury
or
property
damage.
COMBAT
®
CTU U
NIT
H
EATERS
I
NSTALLATION
O
PERATION
AND
S
ERVICE
M
ANUAL
4
Figure 1: Installation Clearances and Clearances to Combustibles
Wall
Terminal
Roof Terminal
Air
Intake
Flue
50 cm
50 cm**
30 cm
15 cm
Clearances to Combustibles
15 cm
2.5 - 3.5 m*
3 m
60 cm
Installation Clearances
If installed at low levels where individuals can come in contact with hot heat exchanger components,
adequate guarding must be provided.
All distances are minimum clearance requirements for service access, air flow and safety.
The heater must always be installed at least 2.5 m above the floor.
The flue pipe must have clearance from combustibles by 5 cm.
* Heaters may be mounted at a higher level if
destratification fans and/or turn down nozzles are
installed.
**80 cm is necessary to service heater.