Manual Fresh Air Damper - Trane Voyager Commercial Installation & Operation Manual

Figure 51. Economizer (O/A) damper assembly

Manual Fresh Air Damper

Units ordered with the 25% manual fresh air option have two slidable dampers. By adjusting one
or both, the desired amount of fresh air entering the system can be obtained.
To adjust the fresh air damper;
1. Turn the "System" selection switch to the "Off" position and the "Fan" selection switch (if
2. Close the disconnect switch or circuit protector switch that provides the supply power to the
Live Electrical Components!
During installation, testing, servicing and troubleshooting of this product, it may be necessary
to work with live electrical components. Have a qualified licensed electrician or other individual
who has been properly trained in handling live electrical components perform these tasks.
Failure to follow all electrical safety precautions when exposed to live electrical components
could result in death or serious injury.
HIGH VOLTAGE IS PRESENT AT TERMINAL BLOCK HTB1 OR UNIT DISCONNECT
SWITCH.
3. Remove the mist eliminator retainer bracket and the mist eliminators from the fresh air hood.
4. Remove the five (5) screws in the top and bottom of each fresh air damper located inside the
Rotating Components!
During installation, testing, servicing and troubleshooting of this product it may be necessary to
measure the speed of rotating components. Have a qualified or licensed service individual who
has been properly trained in handling exposed rotating components, perform these tasks.
Failure to follow all safety precautions when exposed to rotating components could result in
death or serious injury.
5. Using the Service Test guide in
RT-SVX34C-EN
Applicable) to the "Auto" position.
unit's power terminal block or the unit factory mounted disconnect switch.
WARNING
hood area.
WARNING
time for constant volume applications, or three consecutive times for a variable air volume
application, to start the Minimum Ventilation Test.
Table 28, p. 74, momentarily jump across the test terminals one
Startup
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