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COMBAT
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CTCU UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL
4
Figure 1: Installation Clearances and Clearances to Combustibles
WARNING
Fire Hazard
Some objects will catch fire or explode when placed
close to heater.
Keep 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.
50 cm** 10 cm
30 cm
15 cm
Clearances to Combustibles
Wall
Terminal
Roof Terminal
Air
Intake
Flue
15 cm
2.5 - 3.5 m*
3 m
25 cm
Installation Clearances
3 m
Roof Terminal
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 1.8 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 are installed.
**80 cm is necessary to service
heater.