22
VGN Technology
®
VGN Technology Maintenance
The following list is recommended preventive
maintenance of the controls system. All of these items
should be done before initial power up of the system
and then done on a routine maintenance schedule.
It is also recommended to follow the component
manufacturer maintenance recommendations that they
have stated in their IOM document(s).
WARNING
Disconnect all electrical power and secure to the
“OFF” position prior to inspection or servicing. Failure
to comply with this safety precaution could result in
serious injury or death.
Description
Action
Occurrence
Inspect System
Wire
Look for cracked, frayed,
bare wiring. Replace as
necessary
Quarterly
Inspect System
Conduit
Look loose fittings and
cracked or broken down
seal tight. Replace as
necessary
Quarterly
Inspect Wiring
Terminations
Look for loose or broken
terminals. Tighten to
required torque for each or
replace as necessary.
Quarterly
Inspect
Weather Proof
Gaskets
Inspect all gaskets and
look for moisture. Replace
if necessary.
Quarterly
Inspect
Electrical
Enclosures
Inspect all enclosures and
look for broken hardware.
Replace as necessary
Quarterly
Inspect Nozzle
Moving
Components
Inspect all nozzle
components. Remove any
obstructions or replace
any worn components.
Monthly
Finally, it is recommended to follow the fan IOM for
recommended service and also routine maintenance on
the mechanical components of the remaining items in
the system.
VGN Technology Electrical
Replacement Parts
Description
Part Number
Controller, PCO5 Compact
Consult factory
Controller, PCO5+ Medium
Consult factory
Pressure Transducer, multiple range, VDC 385394
Actuator, 2-position 24 VAC (Isolation)
Consult Factory
Actuator, modulating
2-10 VDC 24 VAC (Nozzle)
384631
Actuator, modulating
0/2-10 VDC 24 VAC (Bypass)
Consult factory
Transformer, multi-tap
120 VAC to 24 VAC
385220
