Product manual

Operation
4-13
Part 1105120-01
E 2013 Nordson Corporation
Shutdown
CAUTION: Do not shut off the system with the main power switch while the
lamps are operating. Bulbs and magnetrons can and will be damaged.
The lamp turns off if any of the following conditions occur:
Normal Shutdown
S SYSTEM OFF button on the system controller is pressed.
S REMOTE OFF command through discrete I/O or DeviceNet.
Fault Shutdown
S Cooling air for the lamphead ceases or is insufficient.
S Any of the safety interlocks wired into the UV equipment are interrupted.
These include exhaust fan, access panels, doors and process
equipment.
S Any fault condition occurs.
Table 4-6 Shutdown Procedures
Step Shutting Down Systems Locally Shutting Down Systems Remotely
1 Press the SYSTEM OFF button. Press the SYSTEM OFF button on the
remote or host machine.
2
External Blower units: Allow the lampheads
at least 60 seconds of cool down time before
shutting off the cooling air. On units with
internal blowers, the system shuts off the
blower when the internal temperature falls to
a safe level.
External Blower units: Allow the lampheads
at least 60 seconds of cool down time before
shutting off the cooling air. Typically the
external blowers are controlled by the
remote or host machine. On units with
internal blowers, the system shuts off the
blower when the internal temperature falls to
a safe level.
CAUTION: Failure to provide cool down time
can cause problems restarting the lamps as
well as greatly reduce the life of the
lamphead bulbs.
CAUTION: Failure to provide cool down time
can cause problems restarting the lamps as
well as greatly reduce the life of the
lamphead bulbs.
3 Turn off main power to all units.