Installation & wiring, Modulating cooling device wiring, Zone – Orion System VCM-X Modular E-BUS User Manual

Page 32: Figure 29: modulating cooling device wiring, Ao3 gnd

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INSTALLATION & WIRING

VCM-X Modular E-BUS Controller Technical Guide

32

Modulating Cooling Device

The Modulating Cooling Device signal can be confi gured for either a
0-10 VDC, 2-10 VDC, or 1.5-5.0 VDC output signal when programming
the controller. The output signal can also be confi gured for either Direct
Acting or Reverse Acting operation as required by your application. This
signal output would normally be connected to a Modulating Chilled
Water Valve or Copeland Digital Scroll™ Compressor Controller.

See Figure 29 below for detailed wiring of the Modulating Cooling
Device when using a Chilled Water Valve. When this output is used
with a Copeland Digital Scroll™ Compressor, the Suction Line Pressure

Transducer must be wired to the Copeland Digital Scroll™ Compressor
Controller instead of the VCM-X E-BUS Controller, and the Modulat-
ing Cooling Output signal must be confi gured for a 1.5 to 5.0 VDC
output signal. For Copeland Digital Scroll™ Compressor wiring details,
see Figure 19, page 22.

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 VCM-X Expansion Module.

Figure 29: Modulating Cooling Device Wiring

Modulating Cooling Device Wiring

AO3

GND

Modular Cable

Connect To VCM-X E-BUS Controller

Modular Cable

Connect To Next Expansion Board

(When Used)

24 VAC

GND

10 VA Minimum Power Required For

VCM-X 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 Modules must
be wired in such a way that the expansion modules 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.

+

_ GND

Modulating Cooling Device

0-10 VDC, 2-10 VDC or 1.5-5.0 VDC

(Configurable)

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. This Voltage
Output Must Be Configured When
You Are Setting Up The VCM-X
Controller’(s) Operating
Parameters.

2.) The Modulating Cooling
Device Used On The VCM-X
Controller Must Have (1) Relay
Output Configured In Order To
Enable The Modulating Cooling
Device's Sequence. This Relay
Output Must Be Configured When
Setting Up The VCM-X Controller
Operating Parameters.

VCM-X

Expansion

Module

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

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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

VCM

WA

RN

IN

G

OB

SE

RV

E

POLAR

IT

Y

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

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

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-A

Rev.: 1L

NOTE:
ALL BINARY INPUTS MUST BE 24 VAC ONLY.

+V

SIG

GND

PR OUT

GND

SUCTION PRESSURE
TRANSDUCER CONNECTION
FOR HVAC UNITS WITHOUT
DIGITAL COMPRESSOR

TO VCM-X INPUT
TERMINALS AI5 & GND

BI1 = EMERGENCY SHUTDOWN - N.C. INPUT

= 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
= HOOD ON - N.O. INPUT
= REMOTE DEHUMIDIFICATION - N.O. INPUT

BI2

BI3

BI4

BI5

BI6

BI7

BI8

www.aaon.com

www.orioncontrols.com

VCM-X Expansion Module

Orion No.:OE333-23-EM

AAON No.:

R69190

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

AI2

A3

AI4

GND

GND

= INDOOR AIR RH SENSOR (0-5 VDC)
= ECONOMIZER FEEDBACK
= BUILDING STATIC PRESSURE (0-5 VDC)

= GROUND FOR ANALOG INPUTS
= GROUND FOR ANALOG INPUTS

I

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