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CLCH-SVX03C-EN
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Component Installation Requirements
Multizone Modules
Under certain operating conditions, condensation may form on the cold deck portion of the
multizone damper section. To prevent this, insulate around the damper rods. Be sure the insulation
does not affect damper operation.
Zone Damper Operators
Zone damper operators are available factory-mounted with factory-mounted controls or as a
stand-alone end device. If not factory-provided, the contractor is responsible for providing these
operators. In all cases, the damper operator should be connected to the drive rod.
Adjusting Zone Dampers
Zone dampers should be installed and adjusted prior to making duct connections, assuring proper
setup of the damper zones:
1.
Check the damper blades to confirm they are not binding. The blade should rotate 90 degrees.
2. Determine the number of zones required. The zone damper is fitted with a linkage bar that
connects all damper zones.
3. Select the number of damper segments required for the first zone.
4. Cut a section out of the damper linkage bar just after the last lever in that zone.
Note:
It may be necessary to remove the damper linkage bar to cut it. To remove the linkage bar
pry the “e” rings from the blade axles and remove the bar.
Figure 37. Typical internal face-and-bypass
configuration
Figure 38. Typical external face-and-bypass
configuration