Orion-system Modular VAV/Zone Controller Manual de usuario descargar pdf (Pagina 10)

Zone Controller Actuator Package Wiring

Figure 7: Modular VAV/Zone Controller Actuator Package Wiring

Wiring Considerations

The OE325-01 Zone Controller Expansion Module connects to the

Modular VAV/Zone Controller Actuator Package by means of a modular

cable provided with the expansion module. Power is supplied to the

Zone Controller Expansion Module by means of this modular cable.

Screw terminals are provided for connection of eld wiring to the relay

and analog outputs. The Expansion Module is used to supply extra

relays and/or analog outputs to control fan and heating functions for

the Modular VAV/Zone Controller Actuator Package.

The OE325-01 Zone Controller Expansion Module is always shipped

loose for eld mounting by others. Be careful not to damage the elec-

tronic components when mounting the controller. Remove the controller

from its snap track mount. Mark the control enclosure base using the snap

track as a template. Drill pilot holes in the enclosure base and secure the

snap track to it using sheet metal screws. Do not allow metal shavings to

fall onto the circuit board. Re-attach the controller to the snap track. Be

sure the mounting location is close enough to the Modular VAV/Zone

Controller Actuator Package so that the supplied modular cable will

reach from it to the Zone Controller Expansion Module.

Warning: The 3 relay outputs available on the OE325-01

Expansion Module are each rated for 1 Amp. @ 24

VAC. If your device load exceeds these limits, a

pilot duty relay (by others) must be used in the

circuit.

The wiring consideration information previously outlined for the Modu-

lar VAV/Zone Controller Actuator Package should be followed when

wiring the OE325-01 Zone Controller Expansion Module.

Modular ZCAP Technical Guide

Installation & Wiring

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Orion-system Modular VAV/Zone Controller Manual de usuario Pagina 10