Installation & wiring, Indoor wall-mounted humidity sensor wiring, Sa e-bus controller technical guide – Orion System SA E-BUS Controller User Manual

Page 25: 25 indoor wall-mounted humidity sensor, Figure 21, Space humidity sensor sa expansion module, Ai2 gnd

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SA E-BUS Controller Technical Guide

Installation & Wiring

25

Indoor Wall-Mounted Humidity Sensor

When used, the OE265-11 Indoor Wall-Mounted Humidity Sensor is
connected to the system by wiring it to the AI2 input on the SA Expan-
sion Module. It must be wired as shown in Figure 21 below for proper
controller operation.

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 will result in damage to the Space Humidity
Sensor or SA Expansion Module.

Figure 21:

OE265-11 – Indoor Wall-Mounted Humidity Sensor Wiring

Indoor Wall-Mounted Humidity Sensor Wiring

AI2

GND

Modular Cable

Connect To SA E-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.

Jumper Must

Be Set To

0-5V As

Shown

Jumpers Must Be

Set as Shown

For Correct

O-5 VDC

Operation

1 & 3 Are Off
2 & 4 Are On

Jumpers Must Be

Set as Shown For

Normal

1, 2, 4, 5 & 6 Are Off

3 Is On

Operation Of

Sensor

Vo

Zero

Span

Gnd

Vi

n

Io

4

4

4

4

5

5

6

6

ON

ON

ON

ON

3

3

3

3

2

2

2

2

1

1

1

1

Space Humidity Sensor

SA Expansion

Module

Note: No Additional
Wiring is Required For
Dual Cabinet Units.

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

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