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W W W . B A L T I M O R E A I R C O I L . C O M . A U
M A R 2 1 0 - 2
Extended Shutdown
Perform the following services whenever the unit is shutdown in
excess of three days:
• If the unit is mounted on vibration isolators or isolation rails (by
others), refer to the manufacturer’s guidelines before loading/
unloading weight from the unit.
• Disconnect, lock-out, and tag-out all fans and pumps.
• Close the shut-off valve in the make-up water line (supplied by
others), and drain the cold water basin and all exposed water
piping. Heat trace and insulate all exposed piping.
• Clean all the debris, such as leaves and dirt, from the interior and
exterior of the unit.
• Leave the cold water basin drain open so rain and melting snow will
drain from the unit.
• Clean the basin strainer and re-install.
• Cover the fan discharge to keep out dirt and debris.
• For belt driven units, lubricate the fan shaft bearings, motor base,
and motor base adjusting screw.
• Apply RUST VETO
®
to steel shafts.
• Inspect the protective nish on the unit. Clean and renish as required.
• Maintain the fan motor starting device in the “OFF” position to
ensure personal safety in the case of future inspection or service.
Operation and Maintenance
Initial & Seasonal Start-Up
Start-up
Extended Shutdown
WARNING: Rapid on-off cycling
can cause the fan motor to
overheat. It is recommended that
controls be set to allow a max of 6
on-off cycles per hour.
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