AAON MHGRVX-A2 Technical Guide

30MHGRVX-A2 Module Technical Guide
APPENDIX C: REHEAT EXPANSION MODULE
Wiring
Reheat Expansion Module(s) Wiring
Reheat Expansion Modules snap into each other at the power and
Comm connectors. Up to seven Reheat Expansion Modules can
be used.
Apply power to the rst Reheat Expansion Module in a series.
The last Reheat Expansion Module in a series connects to the
MHGRVX-A2 using an E-BUS cable.
See Figure 8, this page for details.
Figure 8: Reheat Expansion Module(s) Wiring
NOTE:
Connect the next Reheat Expansion Module to
the power connector of the previous Reheat
Expansion Module in a series. Up to seven
expansion modules can be connected together.
The last Reheat Expansion Module in a
series connects to the MHGRVX-A2.
E-BUS cable
Condenser Valve #1
HGR Valve #1
Condenser Valve #2
HGR Valve #2
Compressor #2
Enable Relay
Compressor #3
Enable Relay

AAON MHGRVX-A2 Specifications

General

Brand	AAON
Model	MHGRVX-A2
Category	Control Unit
Language	English