Pfannenberg DTS 6401 - Scheduled Cooling Unit Maintenance

ENG
Operating Manual | Attachment and Installation Cooling Units | Multi Controller (MC) – 400 / 460 V, 3~ | 086100124 58/76
6.3 Maintenance schedule
Maintenance interval:
Perform every twelve months. Every two to six months, in ambient air containing oil and
dust.
Type:
______________________________________________________________________
Serial number:
______________________________________________________________________
Date of maintenance:
______________________________________________________________________
Executing specialist (name):
______________________________________________________________________
Unit area designation /
necessary maintenance work
Visual
inspection
To do Result
1
Aggregate prior to maintenance
1.1 General visual inspection of the aggregate
1.2 Inspection for corrosion damage
2
Refrigeration circuit
2.1 Check refrigerant carrying parts for oil traces
2.2 Check refrigerant carrying parts for leaks
2.3 Check electrical connections for damage
3
Condenser/heat exchanger
3.1 Check pipe assembly for deposits
3.2 Inspection for general corrosion damage
3.3 Check, clean and align blades*
4 Evaporator/heat exchanger
4.1
Check pipe assembly for deposits
4.2 Inspection for general corrosion damage
4.3 Check, clean and align blades*
5 Condenser fan (external)
5.1 Check holder for loose parts
5.2 Check electrical connections for damages
5.3 Check motor bearing for noise
5.4 Check drive for signs of overheating
5.5 Clean fan*
6
Evaporator fan (internal)
6.1 Check holder for loose parts
6.2 Check electrical connections for damages
6.3 Check motor bearing for noise
6.4 Check drive for signs of overheating
6.5 Clean fan*
7
Pre-filter
7.1 Change filter mat*
7.2 Clean filter mat*
Tab. 17: Cooling unit maintenance schedule
* Maintenance intervals more frequent, depending on the level of contamination.