Section 3, Installing the Exhaust System
3-4
The Oasis® Zephyr™ HW Installation Manual
3.3 What NOT to DO
Don’t mount the exhaust pipe inside the heater compartment.
Don’t disregard the total number of 90° bends when calculating the
total allowable exhaust length (12’ total, excluding the 90°
bend exiting the heater)
Don’t use any mufflers not supplied or approved by ITR.
3.4 Installation Procedure
To install the exhaust system:
Refer to Figure 3-1: Oasis Zephyr™ HW exhaust parts and typical
configuration
1
Plan-out the best location for the exhaust run.
2
Leave suitable air spacing to protect combustible materials.
Use an exhaust collar and metal shields where required.
3
Securely screw the exhaust fittings to the Oasis® Zephyr™
HW and align them in the appropriate direction according to
the planned run.
4
Connect the exhaust piping in series with the muffler, using
appropriately rated sealant if necessary and proper clamps.
If vibration isolation mounts are used, they must be rated for
high temperature. The exhaust must be supported at least
every 3’ of its installed length.
5
Find a suitable location to mount the air-intake adapter
(part# 10089). Drill a 2" hole through the floor. Insert the
adapter through the floor from underneath, use 3 screws to
secure the collar of the adapter to the floor. Ensure the run
of tubing is as short as possible with large radius, non-
restrictive bend(s) to ensure good air flow. (See Figure 3-1)
6
Connect the flexible air-intake tubing (2” ID part# 8019) to
the air-intake fitting on top of the heater. The other end of
the air-intake hose can be installed in two different ways as
shown in figure 3-2.
7
Use #32 gear clamps to secure the ends of the air-intake
tubing and prevent air leaks. If installing an air intake
silencer make sure this is secured (clamped) as well.
9
If necessary, protect the air-intake entrance from water and
dirt with a guard or shield.
