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45
Step 3 — Rigging and Handling — To transfer the
unit from the shipping platform to the storage or installation
site, refer to the rigging label on the unit and these instructions.
Refer to Table 1 for ERV unit weights. Check lifting devices
for capacity constraints.
Hook rigging shackles through the holes or lifting eyes in
the ERV unit.
NOTE: Some 62M units have lifting eyes, some 62M units
have holes in the ERV base rail. See Fig. 46.
Connect lifting straps and spreader bars. See Fig. 46.
Spreader bars must be positioned to prevent cables from
rubbing against the ERV unit.
Carefully lift the ERV unit and set on ERV roof curb. Do
not drop the ERV unit onto the roof curb, as damage may
occur. Avoid twisting or uneven lifting of the unit. Never lift
the unit by the hoods or any means other than the provided
lifting holes or eyes.
MOUNTING THE ERV UNIT INDOORS — The ERV unit
can be mounted indoors. Follow all local and other applicable
building codes.
Locate the ERV Unit
— Prior to locating the indoor ERV unit
consider the intake and exhaust duct accessibility to outside
walls or roof vents. When locating the ERV unit consider
required service clearances.
See Table 1 for unit weights to determine if building struc-
ture reinforcements are required.
Determine a Method for Mounting
— The method for mount-
ing and securing the ERV unit to the building structure must be
field designed and installed. Mounting methods will vary
depending upon specific jobsite conditions.
NOTE: Hardware and pieces to secure ERV unit to the build-
ing structure must not interfere with the service clearances or
duct requirements for the unit.
Lift the ERV Unit in Place
— Secure the ERV unit to the
building structure following all applicable local building codes.
All panels must be in place when rigging. Unit is not
designed for handling by fork truck. Damage to unit may
result.
All panels must be secured in place prior to lifting the ERV
unit in to place. Follow all local and other applicable codes
when lifting, locating and mounting the ERV unit. Damage
to unit may result.
Do not use the ERV duct system to support the ERV unit in
any way. Follow all local and applicable building codes
and manufacture and install the ductwork to the ERV unit
per the duct opening connections. Equipment damage or
personal injury may result.
Spreader Bars
Fig. 46 — Rigging Details
RIGGING FOR ERV INSTALLATION
RIGGING HOLES ERV BASE RAIL
RIGGING LIFTING EYES