Tracer® ZN.520

Manual Output Test

Test Sequence

Table 34. Test Sequence

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™.

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

 

 

 

 

 

 

 

 

 

1Upon entering manual output test mode, the controller turns off all fan and electric heat outputs and drives

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.

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Trane LO manual Manual Output Test, Test Sequence

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