Tracer, Zn.520, Led operation – Trane LO User Manual
Page 84: Manual output test
Tracer
®
ZN.520
84
UNT-IOM-6
LED Operation
The green status LED is off when you press the Test button.To begin
the manual output test mode, press and hold the Test button (which
causes the green LED to go off) for at least two seconds, then
release the button.The green LED blinks, indicating the controller is in
manual test mode.
The procedure for testing is:
1.Press and hold the Test button for at least two seconds, then
release the button to start the test mode. When manual output test
mode begins, the controller turns off all outputs and calibrates
modulating end devices closed.
2. Press the Test button (no more than once per second) to advance
through the test sequence. Alternatively, the manual output test can
be controlled over the communications network by using Rover.
Manual Output Test
Table 34. Test Sequence
Step
Fan
Main valve
Electric heat
Fresh
Generic/
or aux. valve
air
baseboard
damper
heat
J1-1
J1-2
J1-3
J1-5 J1-6
J1-9
J1-10
J1-11
J1-12
TB4-1
1: Off
1
Off
Off
Off
Off
On
Off
aux: on Off
On
Off
EH: off
2: Fan High
2
High
Off
Off
Off
Off
Off
Off
Off
Off
Off
3: Fan Med
Off
Med
Off
Off
Off
Off
Off
Off
Off
Off
4: Fan low
Off
Off
Low
Off
Off
Off
Off
Off
Off
Off
5: Main open
High
Off
Off
On
Off
Off
Off
Off
Off
Off
6: Main close,
High
Off
Off
Off
On
On
Off
Off
Off
Off
EH1 on
7: Aux open,
High
Exh
Off
Off
Off
On
Off
Off
Off
Off
EH1 on
8: Aux close,
High
Off
Off
Off
Off
Off
On
On
Off
Off
EH1 off, EH2 on,
damper open
9: Damper close High
Off
Off
Off
Off
Off
Off
Off
On
Off
10: Generic/
High
Off
Off
Off
Off
Off
Off
Off
Off
On
baseboard
heat energized
11: Exit
6
Exit
1
Upon entering manual output test mode, the controller turns off all fan and electric heat outputs and drives
Test Sequence