Orion System VCM-X E-BUS Component - Manual (Page 112)

VCM-X Component & Systems Wiring 112
Miscellaneous Diagrams and Technical Information
MHGRV II Controller Wiring When Used With VCM-X E-BUS
Notes:
1.)All Wiring To Be In Accordance With
Local And National Electrical Codes
and Specifications.
FILENAME
DATE: B. Crews
DESCRIPTION: PAGE
DRAWN BY:
JOB NAME
10/09/09
O-AAON-MHGRVII-VCMX-1A.CD
1
V1
K1
V2
K2
V3
K3 K4
V4
YS101894 REV 1
HOT GAS REHEAT
SERIAL #
R2 R17
R23
FA
N
COMP VA
LV
E
AUX
U5
CX5
STEP
C2
C4
R9
R8
R7
R13
R5
R6
D4
D3
R4
D2
PU
R12
D6
R11
R1
D5
R3
R3
R20
R19
R18
L1
D1
16 16
F
RESET LIMIT
O F
4 4
2 2
1 1
8 8
64 64
32 32
128 128
ADD
SETPOINT
ADD
F O F
R40
R39
ST
A
TUS
POWER
VA
LV
E
AUX FA
N
COMP
COM
TB5
SW1 SW2
U1
0-10V 4-20MA THERM
AUX IN SETUP
C15
PJ1
+VDC
GND
GND
AUX IN
RST IN
HTG OVR
CLG OVR
GND
SAT
RHT EN
T
SHLD
R
TB3
COMM
VR1
RV
1
C13
R31
D1
D11
C3
U2
V5
C8
L2
C12
C1
+24VAC
GND
TB4
R38
R2
D1
WDOG
CX6 U6
U1
CX1
C3
R1
U2
1
EPROM
CX2
RAM
U5
C2 P1
C4
YS101818 552 PROCESSOR BOARD
C1
X1
CX5
U3
U4
CX4
CX3
I
C
OUT
2
I
C
IN
2
RAM Chip
EPROM Chip
Black
White
Red
Green
HGR Solenoid Valve
2 Position HGR Valve (Optional)
24 VAC
Line
GND
24V
AC
40 VA
Transformer
Minimum
Condensor
Modulating
HG Valve
C1
C2
Modular Cable
Connect To
HVAC Unit
Controller
Setpoint
DIP Switch
(Not Used
For This
Application)
Reset Limit
DIP Switch
(Not Used
For This
Application)
Fan
“POWER” LED
“STATUS” LED
Compressor
CR/HG
CW/HW
CB/HB
CG/HR
“VALVE” Relay LED
“AUX” Relay LED
“COMP” Relay LED
“FAN” Relay LED
Black
White
Red
Green
Reheat
Modulating
HG Valve
Caution:
The Supply Air Temperature Sensor Always Connects To The VCM-X E-BUS Controller And
The Supply Air Temperature Is Broadcast To The MODGAS II Controller, MHGRVII, And The
MHGRVIII Controller From It.
AAON MHGRV II Controller
When Used With Orion VCM-X Controller
Wiring For MHGRV II When Used With Orion VCM-X E-BUS Controller
Figure 88: OE377-00-00042 MHGRV II Controller to VCM-X E-BUS Controller Wiring