AAON RSMZ User Manual

13
RSMZ Technical Guide
WIRING
Reheat Expansion Module
Reheat Expansion Module Wiring
The Reheat Expansion Module connects to the RSMZ
Communication Terminal Block. One or two Reheat Expansion
Modules are used per system.
The Reheat Expansion Module must be connected to an 18-30
VAC power source. See Figure 6, this page for wiring.
18-30
VAC
GND
Line Voltage
RH EN
Size transformer for correct total load.
Reheat Expansion Module = 18 VA
Three-way HGR Valve #1
or
Three-way HGR Valve #2
Black
White
Green
Red
Black
White
Green
Red
Typical Terminal Blocks
All wiring to be R+ to R+,
SH(G) to SH(G) and T- to T-.
( R+)
( SHD)
(T-)
R+
SH
T-
Note: For RSMZ Module #3, connect to Reheat
Expansion Module #1 Comm Terminal Block.
For RSMZ Module #6, connect to Reheat
Expansion Module #2 Comm Terminal Block.
NOTE: Please refer to the MHGRV-X Technical Guide for
more information.
WARNING: Observe Polarity! All boards must be wired
with GND-to-GND and 24 VAC-to-24
VAC. Failure to observe polarity will result
in damage to one or more of the boards.
Figure 6: Reheat Expansion Module #1 or #2 Wiring

AAON RSMZ Specifications

General

Brand	AAON
Model	RSMZ
Category	Control Unit
Language	English