Installation & wiring, Relay expansion module overview and wiring, Sa e-bus controller technical guide 30 – Orion System SA E-BUS Controller User Manual

Page 30: Relay expansion module, Zone, All comm loop wiring is straight thru, T to t, r to r & shld to shld, 24vac gnd, Sa e-bus controller

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Zone

Zone

Installation & Wiring

SA E-BUS Controller Technical Guide

30

12-Relay Expansion Module Overview and Wiring

Figure 25: OE358-23-12R – 12-Relay Expansion Module Wiring and Jumper Settings

12-Relay Expansion Module

Two different Expansion Modules are available for use with the SA E-
BUS Controller to provide additional inputs and outputs beyond those
found on the SA E-BUS Controller.

The SA Expansion Module ( OE333-23-SA) is provided with 8 Binary
Inputs, 4 Analog Inputs, 4 Relay Outputs, and 5 Analog Outputs. See
Figures 16 and 17 on page 20 and 21 for complete wiring details.

The 12-Relay Expansion Module ( OE358-23-12R) provides for 12 Dry
Contact Confi gurable Relay Outputs. See Figure 25 below for complete
wiring details.

EXP1

EXP1

EXP2

EXP2

Line Voltage

All Comm Loop Wiring Is

Straight Thru

24VAC

GND

Local Loop

RS-485

9600 Baud

See Individual

Component Wiring

Diagrams For Detailed

Wiring Of Analog Inputs

And Outputs

For Stand Alone Applications,

Connect To System Manager. For Network

Applications Connect To Next Controller And/Or

MiniLink PD On Local Loop.

G - Fan ON/OFF Only

R - 24VAC

Relay Output Contacts
R2 Through R5 May Be User-
Configured For The Following:

Note:

1 - Heating Stages
2 - Cooling Stages
3 - Warm-up Mode Command
(VAV Boxes)
4 - Reversing Valve (Air To Air 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.

Connect FRP Tubing To High Pressure
Port (Bottom Tube) and Route To Static
Pressure Pickup Probe Located In Unit
Discharge. Leave Port Marked “Lo” Open
To Atmosphere

OE271

Static Pressure

Transducer

Splice If Required

Connect To
12 Relay Expansion Module

Connect To Digital Room Sensor - See Digital Room Sensor
Wiring Diagram.

Warning:
24 VAC Must Be Connected So That All Ground
Wires Remain Common. Failure To Do So Will
Result In Damage To The Controllers.

T to T, R to R & SHLD to SHLD

Size Transformer For Correct
Total Load.
SA Controller = 8 VA

SA E-BUS Controller

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

AI1 SET

AI2 SET

AI3 SET

AI4 SET

AI5 SET

AI7 SET

Jumpers

Note:
Only One SA Controller is Required Whether The SA Unit is a Single Cabinet Or Dual
Cabinet Unit. Additional Wiring For Dual Cabinet Units is Shown and Noted As Such On
The Applicable Single Cabinet Unit Diagrams.

IC DIGITAL

SENSOR

2

IC

EXPANSION

2

STATIC

PRESSURE

LED BLINK CODES

LED NAME

STATUS1 STATUS2

NORMAL OPERATION

0

1

SAT FAIL

1

2

EAT FAIL

2

2

SPC FAIL

3

2

MECH COOL FAIL

1

3

MECH HEAT FAIL

2

3

FAN PROOF FAIL

3

3

DIRTY FILTER

4

3

WATER FLOW ALARM

6

3

DRAIN PAN ALARM

7

3

EMERGENCY SHUTDOWN

5

3

LOW SAT

1

4

HIGH SAT

2

4

CONT. TEMP COOL FAIL

3

4

CONT. TEMP HEAT FAIL

4

4

PUSH BUTTON OVR

1

5

ZONE OVR

2

5

OUTPUT FORCE ACTIVE

0

6

AI1 = SPC (SPACE TEMPERATURE SENSOR)

AI2

AI3

AI4

AI5

AI7

A01

A02

= SAT (SUPPLY AIR TEMPERATURE SENSOR)
= EWT (ENTERING WATER TEMPERATURE SENSOR)
= EAT (ENTERING AIR TEMPERATURE SENSOR)
= NOT USED
= SPACE TEMPERATURE SENSOR SLIDE ADJUST

OR VOLTAGE RESET SOURCE

= WATER SIDE ECONOMIZER VALVE 1A &1B (2-10 VDC)
= SUPPLY FAN VFD (0-10 VDC OUTPUT)

ANALOG INPUT JUMPER SETTINGS
MUST BE SET AS SHOWN FOR
PROPER OPERATION

24 VAC POWER ONLY

WARNING! POLARITY MUST BE OBSERVED

OR THE CONTROLLER WILL BE DAMAGED

AI1

AI2

AI3

AI4

THERM

THERM

THERM

THERM

THERM

THERM

4-20mA

4-20mA

4-20mA

4-20mA

4-20mA

4-20mA

0-10V

0-10V

0-10V

0-10V

0-10V

0-10V

0-5V

0-5V

0-5V

0-5V

0-5V

0-5V

AI5

AI7

ANALOG INPUT

JUMPER

SETTINGS

E-BUS

CONNECTOR

WattMaster Label

#LB102060-01-A

Rev.: 1A

RELAY CONTACT
RATING IS 1 AMP
MAX @ 24 VAC

RS-485 COMMUNICATION LOOP. WIRE
“R” TO “R”, “T” TO “T” “SHLD” TO “SHLD”

FAN

RELAY 2

RELAY 3

RELAY 4

RELAY 5

RELAY
COMMON

SA

CONTROLLER

E-BUS

Orion No.:OE332-23E-VCMX-SA

AAON No.:

V07160

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