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WARNING
Rotating Components!
Failure to disconnect power before servicing could
result in rotating components cutting and slashing
technician which could result in death or serious
injury.
During installation, testing, servicing and
troubleshooting of this product it may be necessary
to work with live and exposed rotating components.
Have a qualified or licensed service individual who
has been properly trained in handling exposed
rotating components, perform these tasks.
3. Press the Stop button on the user interface. To setup
and troubleshoot supply fan operation, navigate to
Supply Fan Manual Override by following the steps
provided below.
Note: The unit's design supply airflow is established
when the supply fan is operating at 100% speed
command. If the design supply airflow rating of
the unit needs to be modified, the new maximum
design speed must be set at the supply fan's
variable frequency drive (VFD) key pad. The
user should identify the maximum speed for the
supply fan wheels and ensure those speeds are
not exceeded when making entries at the VFD
key pads.
a. Press Stop and then touch Settings.
b. Touch Manual Control Settings in the Settings
screen.
c. Touch Supply Fan Manual Override in the Manual
Control Settings screen.
RT-SVX063G-EN
d.
Touch Manual, then touch Change value to: to
adjust the speed setting, press Enter, then press
Apply.
e. When done testing, touch Clear All Manual
Overrides or select the individual override and
press Auto.
4. The above procedure can be followed for testing and
setup of relief fans and condenser fans.
Note: Changes to the unit's design relief airflow rating
is modified at the user interface by adjusting the
Relief Fan Maximum Speed Setpoint located
under the Service Settings menu.
Check all fans for proper rotation. Supply Fan rotation
is indicated by an arrow located on the fan housing
(clockwise from motor side of fan). Relief Fan rotation is
counter-clockwise when viewed from the motor side of
the fan assembly. Condenser Fan rotation is clockwise
when viewed from the top.
Startup the Unit
57
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