Greenheck Fan 455924 ERV-522 - Manual (Page 21)

21 Energy Recovery Ventilator
Temperature Sensors - 1K Ohm RTD
Drawing Labels Terminal Strip Labels
OAI OA/Supply Inlet Temp
OAAW OA After Wheel
RAI RA/Exhaust Inlet Temp
OAD Supply Discharge Temp
EAW Exhaust After Wheel Temp
Pressure Sensors (analog or digital)
Drawing Labels Terminal Strip Labels
OAF-P OA/Supply Filter Pressure
OAW-P Outdoor Air Wheel Pressure
RAF-P RA/Exhaust Filter Pressure
EW-P Exhaust Wheel Pressure
Amp - Current Sensors (analog or digital)
Drawing Labels Terminal Strip Labels
OAF-A Supply Fan Amps
EF-A Exhaust Fan Amps
Sensors Mounted by Factory
Factory mounted temperature, pressure, and current sensors are available in the locations indicated on the unit
diagram below. A list of available sensors is shown below. The specific sensors provided on a given unit are
labeled in the unit control center on the terminal strip. Sensors are wired to the terminal strip to make it easy for
the controls contractor to connect the Building Management System for monitoring purposes.
RAI
RAF-P
RA
FILTER
OAAW OAF-A
OAD
SUPPLY
BLOWER
TO
INSIDE
FROM
INSIDE
EW-P
OAW-P
ENERGY WHEEL
EAW EF-A
OAI
OA
FILTER
OAF-P
TO
OUTSIDE
FROM
OUSTIDE
EXHAUST
BLOWER