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5.1.4
General Operation Information
The dryer may require up to 48-hours of operation to reach normal operating outlet dew point. Therefore,
indicators and alarms related to outlet dewpoint, do not need to be recognized during this time.
The dryer will not perform as intended without properly sized and installed pre-filtration, condensate drainage
and correct purge flow adjustment.
After the initial start-up some dusting may occur. This is normal and will diminish with time, although may
accelerate the first maintenance interval of the exhaust valves, exhaust silencers and post-filter element.
Exhaust valves and silencers may have to be replaced due to dusting from shipping and the initial start-up to
ensure proper operation. Post-filter elements should also be part of a regular preventative maintenance
schedule.
Never service the dryer or filters without first relieving pressure from the dryer.
Never service the dryer without first allowing time for cooling to ambient conditions.
A desiccant dryer should never be pressurized or depressurized suddenly. This will cause fluidizing and dusting
of the desiccant bed.
The dryer is designed for a maximum operating pressure as listed in Section 3.1.
DRYPOINT XFi 1000 manual_revA EN
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