AAON MHGRV-X User Manual

7
MHGRV-X Field Technical Guide
WIRING
MHGRV-X to AAON Unit Controller Wiring
Communications Wiring
For connection to a VCCX2 or VCB-X Controller, VCCX2 or
VCB-X Expansion Module, and Reheat Expansion Module, use
an E-BUS Cable to connect to the appropriate E-BUS port on
those modules and/or controller.
For all other controllers, including the VAV/CAV, MUA,VCM,
VCM-X, SA, and RNE Controllers, use an I
2
C Cable connecting
to the appropriate I
2
C ports on those controllers.
When connected to an AAON unit controller, the Supply Air
Temperature Sensor is attached to the AAON unit controller.
See Figure 2, this page.
See the SAT Wiring Conditions Table and SAT OPTIONS jumper
settings in Tables 8 and 10, page 21.
Figure 2: MHGRV-X to AAON Unit Controller Wiring
Line
Voltage
GND
18-30 VAC
40 VA
Transformer
Minimum
Supply
Air Temperature
Sensor
Mount In Supply
Air Duct
RED
GRN
WHT
BLK
Condenser Valve #1
HGR Valve #1
RED
GRN
WHT
BLK
Supply Air Temperature
Sensor Connects to AI3 & GND
On VCCX2 Controller
MHGRV-X CONTROLLER
Set Jumper To
NORMAL.
Fan
Compressor
Flush Active Signal
2 Position HGR Valve (Optional)
C1
C2
COMM
EBC E-BUS cable
connects to VCCX2
Expansion port
EBC
E-BUS
cable
connects
to Reheat
Expansion
Module
Alternate Configuration
3 Way Valve
RED
GRN
WHT
BLK

AAON MHGRV-X Specifications

General

Brand	AAON
Model	MHGRV-X
Category	Controller
Language	English