Trane ZN.520 manual Configuration, Binary output summary, TB4-1/TB4-2, Classroom unit ventilator

Models: Tracer Unit Ventilator ZN.520

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Table 10: Binary output summary

Configuration

Binary Outputs1

Table 10: Binary output summary

Binary output

J1-1

J1-2

J1-3

J1-4

J1-5

J1-6

J1-7

J1-8

J1-9

J1-10

J1-11

J1-12

TB4-1/TB4-2

Generic/baseboard heat output

24 VAC

Classroom unit ventilator

Fan high

Exhaust fan or none

Fan low

(Key)

Cooling valve open

Face bypass cool isolation valve

2-position cooling

DX

Cooling valve close

Face bypass damper open

Face bypass damper close

Heating valve open

Face bypass heat isolation valve

Electric heat stage 1

2-position heating

Heating valve close

Electric heat stage 2

Outdoor air damper open

Outdoor air camper close

Terminals

Output Rating

TB4-1

12 VA

TB4-2

Valid range

NA

NA

NA

NA

NA

Normally open or normally closed2

Normally open or normally closed2

NA

NA

NA

NA

NA

Normally open or normally closed2

NA

Normally open or normally closed 2

NA

NA

NA

NA

Load Energized

Load De-energized

 

 

1 VAC RMS (typical)

24 VAC RMS (typical)

 

 

1.Trane’s Rover service tool uses the unit type to determine and download the proper default binary output configuration.

2.The normally open/closed configuration item refers to the inactive state of the controlled end device (such as an 2-position cooling valve output).

UV-SVP01A-EN

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Trane ZN.520 manual Configuration, Binary output summary, TB4-1/TB4-2, Classroom unit ventilator, Terminals, Output Rating