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