Installation & wiring, Modulating cooling device wiring, Sa e-bus controller technical guide – Orion System SA E-BUS Controller User Manual

Page 29: Sa expansion module, Modular cable connect to sa e-bus controller

Advertising
background image

SA E-BUS Controller Technical Guide

Installation & Wiring

29

Modular Cable

Connect To SA E-BUS

Controller

Modular Cable

Connect To Expansion Module

(When Used)

SA Expansion

Module

Note:
1.) All Digital Compressors Must Have The Cooling
Output Voltage Configured For 1.5-5 VDC. This
Voltage Output Must Be Configured When You Are
Setting Up The SA Controller’(s) Operating
Parameters.

2.) All Digital Scroll Compressors Used On The SA
Controller Must Have (1) Relay Output Configured
Per Compressor On The SA Controller In Order To
Enable The Modulating Cooling Device's Sequence.
This Relay Output Must Be Configured When Setting
Up The SA Controller Operating Parameters.

COM

COM

+

+

Digital Scroll Compressor

A1 - Stage 1

(1.5 To 5VDC Input)

Wiring For Single Cabinet

Units With 2 Digital Scroll

Compressors

Additional Wiring For Dual

Cabinet Units With 2 Digital

Scroll Compressors

Digital Scroll Compressor

B1 - Stage 1

(1.5 To 5VDC Input)

Digital Scroll Compressor

A2 - Stage 2

(1.5 To 5VDC Input)

Digital Scroll Compressor

B2 - Stage 2

(1.5 To 5VDC Input)

COM

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

A 3

I

AI4

+V

GND

GND

24VAC

A 2

O

AO3

GND

GND

Modulating Cooling Device Wiring

Warning: It is very important to be certain that all wiring is
correct as shown in the wiring diagram below. Failure to observe the
correct polarity could result in damage to the Modulating Cooling
Device or the SA Expansion Module.

Figure 24: Digital Scroll Compressor Wiring, continued

Advertising