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SA E-BUS Controller Technical Guide

Start-Up & Commissioning

Warning: Observe Polarity! All boards must be wired with

GND-to-GND and 24 VAC-to-24 VAC. Failure to observe

polarity will result in damage to one or more of the boards.

The Expansion Module must be wired in such a way that the

Expansion Module and the SA E-BUS Controller are always

powered together. Loss of power to the Expansion Module

will cause it to become inoperative until power is restored

to the Expansion Module.

Check all wiring leads at the terminal block for tightness. Be sure that wire

strands do not stick out and touch adjacent terminals. Conﬁ rm that all sen-

sors required for your system are mounted in the appropriate location and

wired into the correct terminals on the SA E-BUS Controller. Be sure any

Expansion Module connected to the SA E-BUS Controller is also cor-

rectly wired just as you did for the SA E-BUS Controller.

After all the above wiring checks are complete, apply power to the SA

E-BUS Controller and any Expansion Module connected to it.

Initialization

On system power up, a 30-second startup delay is performed where all

default setpoints are initialized, LED’s are initialized, and all outputs

are turned off.

When power is ﬁ rst applied, LED1 and LED2 will ﬂ ash out the controller

address. LED1 will ﬂ ash to represent the tens position. LED2 will ﬂ ash

to represent the ones position. After the controller address is complete,

there will be a short pause and then 60 fast ﬂ ashes to represent controller

initialization. There will be no controller operation or communications

during initialization. After initialization, LED1 and LED2 will continu-

ously ﬂ ash the status code.

Example of a controller address of 59:

LED1 will ﬂ ash 5 times. LED2 will ﬂ ash 9 times.

See Table 3 on page 55 in the Troubleshooting Section of this manual

for detailed diagnostic blink code information.

Operating Summary

There is a standard set of operating instructions that are continuously

repeated during normal operations. They are listed below.

1. Read Analog Inputs for Temperatures, Pressures, and

Binary Contact Closures.

2. Calculate Occupied/Unoccupied Mode of Operation.

3. Calculate HVAC Mode of Operation.

4. Set all outputs to match calculations for Heating or Cooling

or Vent Mode.

5. Broadcast information to other controllers if conﬁ gured.

6. Log all temperatures and output conditions.

7. Repeat steps 1 through 6 continuously.

Programming the Controller

The next step is programming the controller for your speciﬁ c require-

ments. In order to conﬁ gure and program the SA E-BUS Controller, you

must use an operator interface. Three different operator interfaces are

available for programming and monitoring of the SA E-BUS Controller.

These are as follows:

• Modular Service Tool

• Modular System Manager

• Computer with Prism 2 Computer Front-End Software

Installed

Any of these devices or a combination of them can be used to access

the status, conﬁ guration, and setpoints of any controller on your com-

munications loop.

If using the Modular Service Tool or Modular System Manager with your

system, refer to the SA E-BUS Controller Operator Interfaces Technical

Guide for complete SA E-BUS Controller programming instructions.

If using a Notebook or Desktop computer and the Prism Computer Front

End Software, refer to the Prism 2 Technical Guide.

No matter which operator interface you use, we recommend that you

proceed with the programming and setup of the SA E-BUS Controller

in the order that follows:

1. Conﬁ gure the Controller for your application.

2. Program the Controller setpoints.

3. Program the Controller operation schedules.

4. Set the Controller current time and date.

5. Review Controller status screens to verify system

operation and correct Controller conﬁ guration.,

Programming the Controller

Figure 30: Modular Service Tool, Modular System

Manager, and Prism 2 Operator Interfaces

ENTER

CLEAR

ESC

DOWN

DEC

MINUS

STATUS

SETPOINTS

SCHEDULES

ALARMS

OVERRIDES

System Manager

Mode

Selection

ENTER

CLEAR

ESC

DOWN

DEC

MINUS

STATUS

SETPOINTS

SCHEDULES

CONFIGURATION

ALARMS

OVERRIDES

BALANCE - TEST

1 2 ... 32 33 34 35 36 37 38 39 40 41 42 ... 73 74

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Orion-system SA E-BUS Controller Manuale Utente Pagina 37

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