Trane Tracer ZN.520

Physical specifications
CNT-SVX04A-EN
13
Binary outputs
Outputs are load side switching triacs. The triac acts as a switch, either making
or breaking the circuit between the load (valve, damper, contactor, relay) and
ground.
Table 4 Binary outputs
Table 5 Generic/baseboard heat binary output
Description Terminals Output
rating
Load energized Load De-energized
Fan high J1-1 12 VA 1 VAC rms
(typical)
24 VAC rms
(typical)
Fan medium,
Exhaust fan
J1-2 12 VA 1 VAC rms
(typical)
24 VAC rms
(typical)
Fan low J1-3 12 VA 1 VAC rms
(typical)
24 VAC rms
(typical)
No connection J1-4 (Key) —— —
Cool open, face bypass cool valve
DX, 2-position cooling valve, BI 5
J1-5 12 VA 1 VAC rms
(typical)
24 VAC rms
(typical)
Cool close J1-6 12 VA 1 VAC rms
(typical)
24 VAC rms
(typical)
Face/bypass damper open J1-7 12 VA 1 VAC rms
(typical)
24 VAC rms
(typical)
Face/bypass damper close J1-8 12 VA 1 VAC rms
(typical)
24 VAC rms
(typical)
Heat open
Face bypass isolation valve,
2-position heating valve
Electric heat 1
st
stage
J1-9 12 VA 1 VAC rms
(typical)
24 VAC rms
(typical)
Heat close
Electric heat 2
nd
stage
J1-10 12 VA 1 VAC rms
(typical)
24 VAC rms
(typical)
Economizer damper open J1-11 12 VA 1 VAC rms
(typical)
24 VAC rms
(typical)
Economizer damper close J1-12 12 VA 1 VAC rms
(typical)
24 VAC rms
(typical)
Description Terminals Output
rating
Load energized Load de-energized
Generic/ baseboard heat output TB4-1 12 VA 1 VAC rms
(typical)
24 VAC rms
(typical)
24 VAC TB4-2 12 VA NA NA