Maintenance; Maintenance Intervals - Knurr CoolTrans 50kW Bedienungsanleitung

CoolTrans 50 kW
Manual / Bedienungsanleitung
Up to three water sensors can be connected to the basic unit. The standard version comes equipped with
one sensor cable, two more sensor cables can be connected optionally.
An alarm is triggered by the built-in potential-free relay contact. A signal transmitter has been installed to
trigger the alarm.
The respectively triggered loop can be detected by means of the three LEDs.
The alarm is deleted by pressing the reset button.
The leak-water detector will trigger an alarm at a water-film level of 0.5 mm in the tub.
7.

Maintenance

7.1

Maintenance Intervals

The firm Knürr recommends the following replacement intervals:
prescribed time intervals.
- exchange of the pump group after two years operating time at utmost utilisation
- exchange of the valve drive after two years operating time
The firm Knürr recommends the following check intervals:
- annual check of admission pressure at the extension tank, nitrogen probably to be refilled
- annual functional check of the flap trap
- annual functional check of the control valve
- annual functional check of the safety valve
- annual functional check of the temperature controllers / pressure controllers
- regularly check pressure on the secondary side and, if necessary, refill cooling water
- regularly check the safety subassembly for leakage
- regularly check for damage, corrosion, leakage
- regularly check insulation for damage and completeness
- regularly check temperature and pressure gauges for damage
- regularly check pump bearings for noise
Switch cabinet
- regularly check the optical and acoustic controls inside the switch cabinet
- regularly check contactors and relays for wear-and-tear and damage
- annually check switch and control processes
- annually check functionality of emergency setting
- annually check position encoder/limit transmitter for functionality
- annually check control circuit for set values
CoolTrans 50
The user takes responsibility for carrying out the maintenance and
replacement measures as described in the following and for observing the
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