Greenheck Fan 455924 ERV-522 - Manual (Page 20)

20 Energy Recovery Ventilator
Remote Control Panel and Wiring
Schematics Indicator Lights powered by the ER Unit
Dirty Filter Indicator (power by others)
Refer to Pressure Switch for voltage and load ratings.
7-Day Timer or On/Off Switch
G
C
R
7-Day Timer
S1 - Unit On/Off
Terminal Block
in Unit
Control Center
For 7-Day Timer, use blue and black wires.
Red wires should be capped off.
G
C
R
On
Off
BMS
Auto
Terminal Block
in unit
Control Center
Hand/Off/Auto Switch
Hand/Off/Auto Switch allows the unit to
“Off” - off
“On” - Manual Operation
“Auto” - Unit is controlled by BMS, RTU, etc.
NOTE: RTU controllers are by others.
The remote panel is available with a number of
different alarm lights and switches to control the unit.
The remote panel ships loose and requires mounting
and wiring in the field
The remote panel is available with the following
options:

t
6OJU
POPGG
TXJUDI

t
6OJU
POPGG
MJHIU

t
EBZ
UJNF
DMPDL

t
)BOEPGGBVUP
TXJUDI

t
5JNF
EFMBZ
PWFSSJEF

t
&DPOPNJ[FS
MJHIU

t
'SPTU
DPOUSPM
MJHIU

t
&YIBVTU
BJS
EJSUZ
mMUFS
MJHIU

t
0VUEPPS
BJS
EJSUZ
mMUFS
MJHIU

t
8IFFM
SPUBUJPO
TFOTPS
MJHIU
Refer to Electrical Connections section for Field Control
Wiring recommendations.
W1
12
7
6
Y2
Y1
G
C
R
NC C
NC C
NO
NO
Exhaust Dirty Filter
Supply Dirty Filter
Rotation Sensor
Economizer
PS2
PS3
Frost Control
Unit On/Off
NC
NC
NO C
NO C
Exhaust Dirty Filter
Supply Dirty Filter
Hot
L1
PS2
PS3