Orion System MHGRV-X - Manual (Page 20)

APPENDIX C - REHEAT EXPANSION MODULE
MHGRV-X Field Technical Guide 20
Overview
The OE377-01-00059 Reheat Expansion Module (AAON Part No.
V42450) is designed to control one set of reheat valves.
The Reheat Expansion Module connects to the MHGRV-X Controller
via an EBC E-BUS communication cable.
Connected together, the Reheat Expansion Modules provide a system
that allows the proper control of multiple sets of valves.
See Figure 8 for dimensions (in inches).
Features & Dimensions
Figure 8: OE377-01-00059 Reheat Expansion Module and Mounting Plate Dimensions
4.15
2.10
4.23
1.55 1.05
2.075
2.075
Ø .200
Reheat Expansion Module
(OE377-01-00059)
(2) Chevron Cut Snap Tracks
(BK000085)
24VAC
GND
COMM
GND
ENABLE
B
L AC
K
WHIT
E
RE
D/GR
N
GRN/RED
COND/RE
H
E
AT
YS102608
R
0
WA
TTMAST
ER
CONTROL
S
IN
C
2013
COMM STATU
S
2.13
2.75
4.15
Features
The Reheat Expansion Module provides the following:
 Up to (7) Reheat Expansion Modules can be used
 Each Reheat Expansion Module controls one set of
reheat valves (1 Reheat & 1 Condenser)
 Each Reheat Expansion Module has its own Cooling &
Reheat
Flush Timers
 Reheat Expansion Modules conveniently plug
into one another