Light Emitting Diode (Led) Operations - Trane VAV VV550 LonTalk Installation & Operation Manual

VAV Start Up/Check Out Procedure
Note: VariTrane and VariTrac cooling only Series D and E models consume 20 VA (12 VA for the
Refer to
Figure 59, p. 107

Light Emitting Diode (LED) Operations

Green Status LED
The green status LED is typically used to indicate whether or not the controller is powered On
(24VAC). This is the only LED under direct software control. The green status LED is Off when you
press the Test button. The green status LED blinks during manual output testing.
shows and describes the green status LED activity.
Table 4.
On
Off
Blinking for 10 seconds,
0.25 seconds Off; 0.25 seconds On
One blink continuously,
0.25 seconds Off; 2.25 seconds On
Two blinks continuously,
0.25 seconds Off; 0.25 seconds On
0.25 seconds Off; 1.75 seconds On
(a) The wink feature enables you to identify a controller. By sending a request from the Rover service tool, you can request
(b) See the diagnostic topic in this guide for a complete list of output override diagnostics.
16
actuator and 8 VA for the board). The heating output ratings remain the same.
Figure 2, p. 17 and Figure 3, p. 18
through Figure 66, p. 114
Green status LED activity
Green status LED activity
the controller to wink.
for VAV VV550 Controller terminal locations and
for wiring of output devices.
Power On, normal operation
One of the following: Power Off Controller failure Test button pressed
(a)
Wink mode
The controller is in the manual output test mode and no output-override unit
diagnostic2 conditions
The controller is in the manual output test mode and one or more output-
(b)
override unit diagnostic conditions exist
Table 4, p. 16
Description
VAV-SVP01A-EN