Operating and installation instructions
08.02.2021 – Version 1.1
Dry cooler
X-TDH.3-100-22-G-N-D5-BC-04
Page: 29/31
Operating and installation instructions for dry cooler translation into English © thermofin GmbH
7.1 Maintenance plan (production)
Inspection point
Main topic
Interval
Actions
General visual inspection
General condition
Monthly
Initiate corresponding
Corrosion
maintenance measures
Pollution
Heat exchanger coil
Pollution
Quarterly
Cleaning
Tightness
Repair leakage if necessary
Piping connections
Tight fit
Quarterly
Ensure tight fitting
Tightness
Repair leakage if necessary
Deformations
Determine the cause, contact
manufacturer if necessary
Connections and fixations
Tight fit
Quarterly
Ensure tight fitting
Tightness
Repair leakage if necessary
Deformations
Determine the cause, contact
manufacturer if necessary
Shut-off-devices, valves,
Function
Quarterly
Damaged parts
security modules
to be replaced
Accessibility
Accessibility
must be ensured again
Fans, motors,
Function
Quarterly
Remove obstacles
impellers
Free running
and pollutions,
Noises
Replace bearing if possible
Pollution
Replace damaged fans
Closed condensate
holes
Half-yearly
Open and drain condensate
Switching devices
Function
Accessibility
Quarterly
Replace damaged parts
Accessibility
must be ensured again
Junction boxes, strain reliefs, Tight fit
Quarterly
Replace damaged parts
cable fittings
Tightness
Retighten screws
Function
Retighten loosened screw
connections
Safety equipment and devices Function
Yearly
Replace damaged parts
Emergency signals
Alarm systems
Pressure relief equipment
Tightness
Yearly
Replace damaged parts
Visual inspection
