MHGRV-X Field Technical Guide
WIRING
5
Figure 2: MHGRV-X Controller to AAON Unit Controller 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 Main Controller. See Figure
2 below.
See the SAT Wiring Conditions Table and SAT OPTIONS jumper
settings in Tables 7 & 9, page 19.