Labconco Spectrum 177050100 User Manual page 20

Step 3
Secure desired outlet position by reinstalling hardware removed in previous step.
Reinstall weather cover and hardware saved from Step 1 using the 5/16" nut driver.
Connect to Blower Inlet
This section will detail how to install the inlet connection according to the blower
material. See Appendix A: Parts List
For Coated Steel Blowers
10" Coated Steel (CS) Blowers feature a 10-7/8" ID by 1-1/2" wide circular inlet
ring. This inlet ring is suitable for use with 10-inch diameter PVC ductwork. 12"
Coated Steel Blowers feature a 12-1/4" OD by 1-1/2" wide inlet ring, which is
suitable for use with 12-inch diameter PVC ductwork. The PVC ductwork itself
will fit inside the inlet ring for the 10" blower and fit over the inlet ring on the 12"
blower. The duct should be fastened by sheet metal screws through the inlet ring.
A silicone sealant should also be used to seal between the ductwork and the
blower inlet ring to prevent any air or moisture leakage.
For Fiberglass Blowers
10" Fiberglass Blowers feature a 10-3/8" OD inlet ring. This inlet ring is suitable
for use with 10-inch diameter PVC ductwork. 12" Fiberglass Blowers feature 12-
3/8" OD inlet ring, which is suitable for use with 12-inch diameter PVC ductwork.
The PVC ductwork will fit outside the inlet ring and should be fastened by sheet
metal screws through the fiberglass inlet ring. A silicone sealant is to be used to
seal between the ductwork and the blower inlet ring to prevent air or moisture
leakage.
For PVC Blowers
10" PVC Blowers feature a 10-3/8" OD inlet ring. This inlet ring is suitable for use
with 10-inch diameter PVC ductwork. 12" PVC Blowers feature a 12-3/8" OD inlet
ring, which is suitable for use with 12-inch diameter PVC ductwork. The PVC
ductwork will fit outside the inlet ring through the PVC inlet ring. A silicone
sealant should also be used to seal between the ductwork and the blower inlet
ring to prevent air or moisture leakage.
Connect to Blower Outlet
Before proceeding with the blower outlet connection, read the two warnings and follow
the suggested pictures listed next:
or see Section 9: Accessories.
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