Table 9: ZEC510 wiring details
Terminal
Terminal
labels
Function and electrical ratings and
requirements
Cable type and length
OUT1
OUT1
and
OUT2
together provide a position adjust
output for supplemental heating.
OUT1
represents
Open
and
OUT2
represents
Close
.
Internal power source: 24 VAC power,
24~ HOT.
See guideline C in Table 10
OCOM1
Provides a BO connection for supplemental
heating
Open
. Connects
OCOM1
to
24~ COM
when
activated.
Internal power source: 30 VAC maximum voltage
to load, 0.5 A maximum output current, 40 mA
minimum load current.
See guideline C in Table 10
OUT2
OUT1
and
OUT2
together provide a position adjust
output for supplemental heating.
OUT1
represents
Open
and
OUT2
represents
Close
.
Internal power source: 24 VAC power,
24~ HOT.
See guideline C in Table 10
OCOM2
Provides a BO connection for supplemental
heating
Close
. Connects
OCOM1
to
24~ COM
when
activated.
Internal power source: 30 VAC maximum voltage
to load, 0.5 A maximum output current, 40 mA
minimum load current.
See guideline C in Table 10
OUT3
Provides a BO connection for box fan.
Internal power source: 24 VAC power,
24~ HOT.
See guideline C in Table 10
OCOM3
Provides a BO connection for box fan. Connects
OCOM3
to
24~ COM
when activated.
Internal power source: 30 VAC maximum voltage
to load, 0.5 A maximum output current, 40 mA
minimum load current.
See guideline C in Table 10
OUT4
Provides an AO connection for box heat. Outputs
0 VDC to 10 VDC signal, 10mA maximum output
current. Requires 1 k to 50 k ohm load.
See guideline A in Table 10
OCOM4
Provides AO connection for box heat.
Note:
This common is isolated from all other
commons.
See guideline A in Table 10
OUT5
Provides a BO connection for box heating.
Connects
OUT5
to
OCOM5
when activated.
Note:
Requires external power source:
30 VAC maximum voltage to load, 0.5 A
maximum output current, 40 mA minimum
load current.
See guideline C in Table 10
Binary Output (BO)
for Multizone unit
VAV with proportional
reheat control
OCOM5
Provides BO connection for box heat.
Note:
This common is isolated from all other
commons, so jumper
24~ COM
terminal if in
use.
See guideline C in Table 10
Sensor (SA) bus
terminal block
+, -, COM, SA
PWR
Supplies 15 VDC power for SA bus devices. Supports
five NS Series Network Zone Temperature Sensors
and up to five NS Series Network CO
2
Sensors.
0.6 mm (22 AWG) stranded,4-
wire twisted cable for runs of
<30 m (<99 ft)
Zone (FC) bus terminal
block
+, -, COM
Provides communication network
0.65 mm (22 AWG) stranded,
twisted shielded cable for runs
of 1,000 ft maximum
HOT
AC input supply 20 VAC to 30 VAC (nominal 24 VAC)
24 VAC power
COM
24 VAC power common
0.8 mm to 1.5 mm(20 AWG to 16
AWG) 2-wire
Verasys ZEC510 VAV Controllers Installation Guide
22