Wiring
WARNING
Risk of Electric Shock
Disconnect power from the controller before making any adjustments. Do not touch any part of the
printed circuit board while power is applied. Failure to follow these precautions can result in personal
injury or death.
AVERTISSEMENT
Risque de décharge électrique
Déconnecter l'alimentation du controller avant toute opération de réglage. Veiller à ne toucher aucune
partie du circuit imprimé lorsque celui-ci est sous tension. Le non-respect de ces précautions peut
provoquer des blessures graves, voire mortelles.
Important:
• Do not exceed the controller electrical ratings. Exceeding controller electrical ratings can
result in permanent damage to the controller and void any warranty.
• Do not connect supply power to the controller before finishing wiring and checking all
wiring connections. Short circuits or improperly connected wires can result in damage to
the controller and void any warranty.
• Use copper conductors only. Make all wiring in accordance with local, national, and
regional regulations.
To wire the ZEC510, complete the following steps:
1. Use the appropriate figures according to your particular configuration:
- Figure 9 and Figure 10 if you are using staged outputs for the heating control
- Figure 11 and Figure 12 if you are using incremental outputs for the heating control
- Figure 14 and Figure 15 if you are using proportional outputs for the heating control
2. Wire the network temperature sensor and CO
2
sensor to the sensor bus on the ZEC510. See
Note:
The CO
2
sensors require a 24 VAC power supply in addition to wiring the +, -,
COM
,
and
SA PWR
terminals. For more information, refer to the
NS Series CO
2
Network Sensors
Installation Instructions (Part No. 24-10424-6)
.
3. Wire the zone bus in a daisy-chain configuration. See
4. Set the device address DIP switch to the appropriate address. See
5. If the ZEC510 is at the end or beginning of the line, set the EOL switch to the
ON
position.
6. Connect the ZEC510 to 24 VAC, Class 2 power.
9
Verasys ZEC510 VAV Controllers Installation Guide
