INSTALLATION
Step 1 — Inspect Shipment — File a claim with the shipping company if shipment is incomplete or damaged. See Fig. 1 for a typical shipping packaging for a COBRA™ energy recovery unit.
Step 2 — Provide Unit Support
ROOF CURB — The COBRA energy recovery unit can use a
energy recovery section. The supplemental equipment support is not required. The standard rooftop unit roof curb is capable of supporting both the rooftop unit section and the energy recovery section. Assemble and install accessory roof curb in accordance with instructions shipped with curb. See Fig.
Fig. 1 — Shipping Packaging (48/50HJ004-006 Shown)
DUCT OPENING SIZES
Supply = 13 7/8" x 20 1/4" R1 = 13 5/8" x 17 3/4"
R2 = 13 5/8" x 12 5/16"
14”
37 3/16"
Deck pans
67 3/8"
3 1/4
R 1
2" Return support. Only used on some applications.
Deck pans
R2
R1 = Return from building to HVAC
R2 = Return from building to 62AQ
92 1/2"
Supply
14"
2"
37 3/16"
SIDE VIEW | END VIEW |
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Fig. 2A — COBRA Energy Recovery Unit Full-Perimeter Roof Curb — 48/50HJ004-007 with 62AQ060,100
2