Pfannenberg DTT 6801 Series User Manual

Operating Manual DTT 6801 Multicontroller (MC) 086100037 © Pfannenberg GmbH Page 45 / 49
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5.5 Maintenance checklist template
Cooling unit maintenance checklist
Maintenance interval: Conduct maintenance every twelve months.
Conduct maintenance every two to six months in oil-
and dust-laden environmental air.
Type:
Serial number:
Date of maintenance:
Technician carrying out the work (name):
Unit range designation/
Required maintenance tasks
Visual
inspection
To Do
Result
1
System before maintenance
1.1
General visual inspection of the system
1.2
Inspection for corrosion damage
2
Cooling circuit
2.1
Inspect refrigerant-carrying parts for traces of
oil
2.2
Inspect refrigerant-carrying parts for tightness
2.3
Inspect electrical connections for damage
2.4
Inspect evaporator for ice formation
3
Condenser / heat exchanger
3.1
Inspect pipe package for deposits
3.2
Inspection for general corrosion damage
3.3
Inspect, clean, align fins*
4
Evaporator / heat exchanger
4.1
Inspect pipe package for deposits
4.2
Inspection for general corrosion damage
4.3
Inspect, clean, align fins*
5
Condenser fan (external)
5.1
Inspect mount for loose parts
5.2
Inspect the electrical connection for damage
5.3
Check motor bearings for noises
5.4
Check the drive for signs of overheating
5.5
Clean fans*
6
Evaporator fan (internal)
6.1
Inspect mount for loose parts
6.2
Inspect the electrical connection for damage
6.3
Check motor bearings for noises
6.4
Check the drive for signs of overheating
6.5
Clean fans*
7
Pre-filter
7.1
Replace filter mat*
7.2
Clean filter mat*
* Maintenance intervals are more frequent, depending on the degree of contamination.

Pfannenberg DTT 6801 Series Specifications

General

Brand	Pfannenberg
Model	DTT 6801 Series
Category	Controller
Language	English