Trane IntelliPak with Symbio 800 Programming Manual page 60

TD7 Display
Table 24. Fan manual override command and status - example
Fan Motor Speed
Parameter
Hz
RPM
(a) The Supply fan(s) motor's minimum and maximum speed setup, in Hz, are entered via the VFD's keypad.
(b) The Relief fan EBM motor's minimum speed setup, in RPM, is set to 10% of motor nameplate speed and is not adjustable.
(c) The Relief Fan motor's maximum speed setup is set to the RPM value entered at the TD7 display's Settings – Unit Settings
Figure 38. Relief Fan Manual Override screen - example
To begin a manual override event:
1. If necessary, press the Stop button on the TD7 display.
2. Press the Settings button.
3. Press the Manual Control Settings button.
4. Select the appropriate Unit, Circuit, or Compressor Control button.
5. Select the component to be overridden, then press the Manual button if shown.
6. Make the appropriate change to the component by turning it On/Off or changing its Speed/
7. Once returned to the Manual Override screen, press Apply or Save button to activate the
Note: The Current Value displayed should change from Auto to Manual when the Save or Apply
Terminating a Manual Override Event
To terminate an active manual override event, do one of the following:
1. Allow the Manual Override Timer to time out.
60
Min Speed
Setup
(a)
23 Hz
(b)
120 RPM
– Service Settings menu button for Relief Fan Maximum Speed Setpoint.
Position then press the Enter button.
manual override entry.
button is pressed. If it reverts back to, or continues to display, Auto the manual override
event did not activate. Make sure the unit has first been placed into Stop mode at the TD7
display. Some active entries may not start immediately due to protection delays or may not
start at all if a unit protection feature is active.
Max Speed Fan Speed
Setup Command
(a)
60 Hz 0%
(c)
1010 RPM 65.40%
Fan
Fan Minimum Maximum
Speed (min%) Speed
38.30% 100%
11.90% 100%
RT-SVP011E-EN
Fan Speed
Status
38.30%
69.50%