4
ENERGYWALL.COM
INSTALLATION, OPERATION & MAINTENANCE MANUAL 717.814.5365
U-ERV/U-HRV
For systems larger than 600, units can be stacked to provide additional airflow and capacity. In
these scenarios, a secondary unit kit is provided with mounting hardware, wiring and gasketing.
INSTALLATION
MULTI-UNIT ASSEMBLY
Identify the primary unit with a disconnect handle as
shown below. All secondary units will not have a
disconnect handle.
PRIMARY
UNIT
SECONDARY
UNITS
Once the primary unit is positioned, ensure the
electrical cabinet wire plugs are removed using a
12mm Allen key (
blue
), perimeter gasketing is
installed at the locations as shown (
red
), and (4)
connecting bolts are installed in each quadrant (
green
).
Repeat on all units except the final unit in the system.
Prior to stacking the secondary unit with the primary,
ensure the secondary unit electrical cabinet wire plugs are
removed (
blue
) and receiving plugs w/ a 7/16” dia. hole
are installed in each quadrant (
green
).
Stack the secondary unit to the primary unit as shown.
Tighten the connecting bolts with the hardware
provided and wire each unit per the electrical
schematics. Repeat as necessary to form the desired
system. The final unit will not have connecting bolts.
Summary of Contents for U-ERV 1200
Page 2: ......
