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1.800.627.4499
HE-Series Indoor
ERV
2.4 E-BOX
Every HE4XINV is equipped with what is known as an “E-Box.” High-voltage supply wiring
and low-voltage control wiring is all terminated here. When VFDs are installed in the unit, the
VFD keypads are installed here. If optional integrated programmable controls are installed, an
additional 24 VAC transformer is installed here to power both the controller and its dedicated
sensors.
FIGURE 2.4.0 E-BOX WITH MOTOR STARTERS
NOTE: Every ERV
has an attached
electrical connec-
tion box, known as
the E-Box. It is attached to
the outside of the ERV and
all electrical connections
are made there. There is
a high-voltage side and
a low-voltage side. See
Figure 2.4.0.
COMPONENTS
2.5 FILTERS
All HE4XINV units come equipped with eight each MERV 8 20" X 20" X 2" thick pleated paper
filters. MERV 13 filters can be ordered as an accessory and are shipped loose.
2.6 FACTORY INSTALLED OPTIONS
All HE4XINV units can be ordered with factory installed options. See Unit Configuration Code on
page 8.
Options will have supplemental manuals shipped with the unit.
For Isolation Dampers, see
Isolation Dampers Supplemental Manual
.
For Commercial Controls, see
Commercial Controls Supplemental Manual
.
For Filter Alarm, see
Filter Alarm Supplemental Manual
.
For Economizer/Bypass, see
Bypass Economizer Supplemental Manual
.
For Isolation Dampers, see
Isolation Dampers Supplemental Manual
.
For Variable Frequency Drive, see
VFD Supplemental Manual
.
3.0 SHIPPING/RECEIVING/HANDLING
HE4XINV units are palletized at the factory and then shipped by common carrier. Upon receipt
by the installer, the shipment should be inspected for shipping damage, prior to unloading. Any
discovered shipping damage should be immediately reported to the RenewAire sales rep and the
damage must be recorded on the Bill Of Lading, prior to signing for acceptance of the shipment.
The unit can be handled with a fork lift or a crane. Prior to moving the unit, verify that all
latches and securing bolts on the cabinet doors are tightly fastened.
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GROUND BUS
DISCONNECT SWITCH
POWER SUPPLY WIRING
CONNECTED HERE ON TOP
OF DISCONNECT SWITCH
OPTIONAL UNIT FUSING
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24 VAC STEP-DOWN TRANSFORMER
(WITH BUILT-IN CIRCUIT BREAKER)
LOW-VOLTAGE TERMINAL STRIP
(ALL CONTROL WIRING IS CONNECTED HERE)
