6.8 Maintenanceofsteamreactivationheater
Adjustment, maintenance and re pairs should only be carried out by qualified personnel who are awa re of the
hazards of operating and maintaining equipment operating with high voltages and high steam temperatures.
Before atte m p ting to carry out a ny ins p e ction or maintenance in the heater compartment, the reactivation
heater must be allowed to cool down.
The following must be carried out before the dehumidifier is re-started:
1. Examine all ductwork and duct insulation for cor rect connection and for general signs of damage and
leaks.
2. Examine the steam connections to ensure that all pipes are correctly installed and secured.
Serviceinterval Servicework
Makesurethatcorrectpressureisindicatedonthemanometer.Weekly
Examineallsteamconnectionsforleaks.
Examinetheheatercompartmentforsignsofcorrosionandscalebuild-up.
Allsignsofcorrosionmustbetreatedimmediately. Anyscaledepositsordirtaccumulated onthe
bottomoftheheatercompartmentshouldberemoved.
Monthly
Makesurethattheelectrical connectionsforthemodulatingvalvearesecure.
Examinethemodulatingvalve. Refertomanufacturer'stechnicaldocumentation.Six-monthly
Examine allfinned surfaces forcorrosion. Repair ifnecessary.
Annually Draintheheater. Examinethewaterforminutemagneticdeposits.
Table 6.3 Periodic maintenance for steam heater unit.
190TEN–108 9–G1412
Serviceandmaintenance
41
To Next Page
Loading...
