Installation & wiring, Sa expansion module output wiring, Sa e-bus controller technical guide – Orion System SA E-BUS Controller User Manual

Page 21: Warning

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SA E-BUS Controller Technical Guide

Installation & Wiring

21

SA Expansion Module Output Wiring

Figure 17: OE333-23-SA – SA Expansion Module Output Wiring

Modular Cable

Connect To SAE-BUS

Controller

Modular Cable

Connect To Expansion

Module (When Used)

24 VAC

GND

10 VA Minimum Power

Required For SA

Expansion Module

WARNING!!

Observe Polarity! All boards must be wired with GND-to-GND and 24VAC-
to-24VAC. Failure to observe polarity will result in damage to one or more of
the boards. Expansion Module must be wired in such a way that the
expansion module and the controller are always powered together. Loss of
power to the expansion module will cause the controller to become
inoperative until power is restored to the expansion module.

Digital

Compressor Controller

1.) The Modulating Cooling Output Voltage Must Be Configured For
1.5 - 5 VDC Operation When You Are Setting Up The SA Controller
Operating Parameters For The Copeland Digital Compressor.

Note:

COM

COM

+

+

Modulating Heating Signal

(0 to 10 or 2-10 VDC Input)

Modulating

Chilled Water Valve

Or Digital Scroll Compressor

(1.5 5, 0 10 r 2 10 VDC Input)

Cooling Stage 1

Stage 1

-

-

o

-

WSE Bypass Valve B

Actuator

(2-10 VDC)

WSE Bypass Valve A

Actuator

(2-10 VDC)

Configurable Relay Output #1

R1

R2

R3

R4

Configurable Relay Output #2

Configurable Relay Output #3

Configurable Relay Output #4

Belimo Actuator Wiring

Shown. Consult Factory

For Other Manufacturer

Wiring Instructions

3 Y1

3 Y1

2 +

2 +

1 COM

1 COM

Note:
1.) The Modulating
Cooling Device Used
Must Be Capable Of
Accepting Either A 0-
10 VDC, 2-10 VDC or
1.5-5.0 VDC Input.
The Modulating
Cooling

Output Voltage

Is User Configurable For
These Voltages. The
Modulating Heating
Devices Used Must Be
Capable of Accepting
Either A 0-10 VDC or 2-
10 VDC Input. The
Modulating Heating
Output Voltage Is User-
Configurable For These
Voltages. These Voltage
Outputs Must Also Be
Configured When You
Are Setting Up The SA
Controller(s) Operating
Parameters.

2.) Each Modulating
Heating Or Cooling
Device Used On The SA
Controller Must Have (1)
Relay Output Configured
For Each Device Used,
In Order To Enable The
Modulating Heating
And/Or Cooling Device's
Sequence. This Relay
Output Must Be
Configured When
Setting Up The SA
Controller Operating
Parameters.

Relay Output Contacts R1 Through
R4 May Be User-Configured For The
Following:

Note:

-

1 - Heating Stages
2 - Cooling Stages
3 - Warm-up Mode Command (VAV
Boxes)
4 - Reversing Valve (Heat Pumps)
5 - Reheat Control (Dehumidification)
6 - Preheater For Low Ambient
Protection
7 - Alarm
8 - Override
9 - Occupied
10 - Water Side Economizer

A Total Of 20 Relays Are

Available By Adding Expansion
Modules. Expansion Module Relay
Outputs Are User Configurable As
Listed Above.

Note:
All Relay Outputs Are Normally Open
And Rated For 24 VAC Power Only.

SA Expansion

Module

A 1

O

AO2

AO3

AO4

AO5

GND

GND

COM

+

Modulating Cooling Stage 2

Digital Scroll Compressor Only

(1.5 - 5 VDC Input)

Note:
See WSE Bypass Wiring
Detail For More
Information.

See Digital Scroll
Wiring Detail For
More Information.

Note:

COM

+

RELAY CONTACT
RATING IS 1 AMP
MAX @ 24 VAC

RELAY 2

RELAY 1

RELAY 3

RELAY 4

RELAY
COMMON

I2C

EXPANSION

I2C

EXPANSION

AO1 = BUILDING PRESSURE CONTROL VFD OR

DAMPER ACTUATOR (0-10 OR 2-10 VDC)

= MODULATING HEATING SIGNAL

(0-10 VDC OR 2-10 VDC)

= MODULATING COOLING/DIGITAL SCROLL

SIGNAL (0-10 VDC, 2-10 VDC OR 1.5-5 VDC)

= RETURN AIR DAMPER ACTUATOR

(0-10 VDC)

= RETURN AIR BYPASS DAMPER ACTUATOR

(0-10 VDC)

= GROUND FOR ANALOG OUTPUTS
= GROUND FOR ANALOG OUTPUTS

AO2

AO3

AO4

AO5

GND

GND

BI1 = HOOD ON - N.O. INPUT

BI2

BI3

BI4

BI5

BI6

BI7

BI8

= DIRTY FILTER - N.O. INPUT
= PROOF OF FLOW - N.O. INPUT
= REMOTE FORCED OCCUPIED - N.O. INPUT
= REMOTE FORCED HEATING - N.O. INPUT
= REMOTE FORCED COOLING - N.O. INPUT
= SMOKE DETECTOR - N.C. INPUT
= REMOTE DEHUMIDIFICATION - N.O. INPUT

ANALOG INPUT

JUMPER SETTINGS

MUST BE SET AS

SHOWN FOR

PROPER

OPERATION

24 VAC POWER ONLY

WARNING! POLARITY MUST BE

OBSERVED OR THE BOARD

WILL BE DAMAGED

www.orioncontrols.com

AI1

AI2

AI3

AI4

THERM

THERM

THERM

THERM

4-20mA

4-20mA

4-20mA

4-20mA

0-10V

0-10V

0-10V

0-10V

0-5V

0-5V

0-5V

0-5V

ANALOG INPUT

JUMPER

SETTINGS

RELAY 1 =

RELAY 3 =

RELAY 2 =

RELAY 4 =

IT IS SUGGESTED
THAT YOU WRITE THE
DESCRIPTION OF
THE RELAY OUTPUTS
YOU ARE USING IN
THE BOXES
PROVIDED ABOVE
WITH A PERMANENT
MARKER (SHARPIE®)

WattMaster Label

#LB102034-01

NOTE:
ALL BINARY INPUTS MUST BE 24 VAC ONLY.

AI1 = OUTDOOR AIR RH SENSOR (0-5 VDC)

AI2

AI3

AI4

GND

GND

= INDOOR AIR RH SENSOR (0-5 VDC)
= CO2 (0-10 VDC)
= BUILDING STATIC PRESSURE (0-5 VDC)

= GROUND FOR ANALOG INPUTS
= GROUND FOR ANALOG INPUTS

+V

SIG

GND

PR OUT

GND

SUCTION PRESSURE
TRANSDUCER CONNECTION
FOR HVAC UNITS WITHOUT
DIGITAL COMPRESSOR

TO VCM-X INPUT
TERMINALS AI5 & GND

OE333-23-EM-A VCM-X EXPANSION MODULE

WA

RN

IN

G

OB

SE

RV

E

POLAR

IT

Y

SA

AI1 = ENTERING AIR RH SENSOR (0-5 VDC)

AI2

AI3

AI4

GND

GND

= INDOOR AIR RH SENSOR (0-5 VDC)
= SUCTION PRESSURE A (0-5 VDC)
= SUCTION PRESSURE B (0-5 VDC)

= GROUND FOR ANALOG INPUTS
= GROUND FOR ANALOG INPUTS

AO1 = MODULATING HEATING SIGNAL

(0-10 VDC OR 2-10 VDC)

= MODULATING COOLING STAGE 1 SIGNAL

(0-10 VDC, 2-10 VDC OR 1.5-5 VDC)

= MODULATING COOLING STAGE 2 SIGNAL

(DIGITAL COMPRESSOR ONLY 1.5-5 VDC)

= WSE BYPASS 2A SIGNAL

(0-10 VDC)

= WSE BYPASS 2B SIGNAL

(0-10 VDC)

= GROUND FOR ANALOG OUTPUTS
= GROUND FOR ANALOG OUTPUTS

AO2

AO3

AO4

AO5

GND

GND

ANALOG INPUT

JUMPER SETTINGS

MUST BE SET AS

SHOWN FOR

PROPER

OPERATION

AI1

AI2

AI3

AI4

THERM

THERM

THERM

THERM

4-20mA

4-20mA

4-20mA

4-20mA

0-10V

0-10V

0-10V

0-10V

0-5V

0-5V

0-5V

0-5V

ANALOG INPUT

JUMPER

SETTINGS

RELAY 1 =

RELAY 3 =

RELAY 2 =

RELAY 4 =

IT IS SUGGESTED
THAT YOU WRITE THE
DESCRIPTION OF
THE RELAY OUTPUTS
YOU ARE USING IN
THE BOXES
PROVIDED ABOVE
WITH A PERMANENT
MARKER (SHARPIE®)

NOTE:
ALL BINARY INPUTS MUST BE 24 VAC ONLY.

BI1 = WATER PROOF OF FLOW - A - N.O. INPUT

= WATER PROOF OF FLOW - B - N.O. INPUT
= AIR PROOF OF FLOW - N.O. INPUT
= REMOTE FORCED OCCUPIED - N.O. INPUT
= EMERGENCY SHUTDOWN - N.C. INPUT
= DRAIN PAN OVERFLOW - A - N.O. INPUT
= DRAIN PAN OVERFLOW - B - N.O. INPUT
= DIRTY FILTER - N.O. INPUT

BI2

BI3

BI4

BI5

BI6

BI7

BI8

RELAY CONTACT
RATING IS 1 AMP
MAX @ 24 VAC

RELAY 2

RELAY 1

RELAY 3

RELAY 4

RELAY
COMMON

I2C

EXPANSION

I2C

EXPANSION

24 VAC
POWER ONLY

WARNING!

POLARITY

MUST BE

OBSERVED OR

THE BOARD

WILL BE

DAMAGED

WattMaster Label

#LB102061-A

Rev.: 1C

SA Expansion Module

Orion No.:OE333-23-SA

AAON No.:

R96180

The SA Expansion Module must be connected to 24 VAC as shown in
the wiring diagram below. Please see Table 1 on page 10 for correct VA
requirements to use when sizing the transformer(s) used for powering
the expansion module.

Also please note that when wiring the SA Expansion Module, its contacts
must be wired as wet contacts (connected to 24 VAC).

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