Installation & wiring, Modulating heating device wiring, Vcm-x modular e-bus controller technical guide – Orion System VCM-X Modular E-BUS User Manual
Page 31: 31 modulating heating device, Figure 28: modulating heating device wiring, Ao2 gnd, 24 vac gnd, Vcm-x expansion module

VCM-X Modular E-BUS Controller Technical Guide
INSTALLATION & WIRING
31
Modulating Heating Device
The Modulating Heating Device signal can be confi gured for either a
0-10 VDC or 2-10 VDC output signal when programming the controller.
The output signal can be confi gured for either Direct Acting or Reverse
Acting operation as required.
The Output signal is normally used to control a Modulating Hot Water
Valve or Modulating Steam Valve or is used for SCR Control of an
Electric Heating Coil.
See Figure 28 below for detailed wiring of the Modulating Heating
Device.
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 Heating
Device or the VCM-X Expansion Module.
Figure 28: Modulating Heating Device Wiring
Modulating Heating Device Wiring
AO2
GND
Modular Cable
Connect To VCM-X 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 Heating Device
(0 To 10 VDC Or 2 To 10 VDC Input)
Note:
1.) The Modulating Heating Device
Used On The VCM-X Controller
Must Have (1) Relay Output
Configured For It In Order To
Enable The Modulating Heating
Device's Sequence. This Relay
Output Must
Configured When
Setting Up The VCM-X Controller
Operating Parameters. The
Modulating Heating Output’s
Voltage Can Also Be Configured
For Either 0 To 10 VDC Or 2 To 10
VDC In The Configuration Menu.
Be
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
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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