Installation and maintenance manual
H.I.B Hydac International Page 34 of 36
Version: G/DV
Date: 11.01.2023
For the conservation of the following warranty please:
Enclose a precise description of the defect with your letter.
Enclose the proof of purchase in the form of a copy of a delivery note or invoice.
Note on it the type and manufacturing reference number and serial number of the device.
15.0 Shutdown of the unit
If the unit some time out of service, we recommend the coolant drained off. Frost damage is
excluded from all liability.
Please be aware if a turbine flow control is installed in the chiller, it is
not allowed to blow out the tube system by compressed air. In this case the flow control can be
damaged.
15.1 Emptying the PHE during shipping or storage below 0 ° C (optional)
Empty the tank. (see section - Empty the tank)
Open the ball valve completely to empty the PHE.
schematic diagram
16.0 Repair and Troubleshooting
If the operation a failure occur at the last chiller that you want to search using the interference of
the table makes it easier in the plant. If in doubt, you should always consult a specialist (expert).
When working in the refrigeration cycle is to ensure adequate ventilation.
Check available power supply voltages to the nameplate of the unit.
Repairing the refrigerant circuit may be done by an expert firm only, please contact
the manufacturer
As a rule, work on the electrical system must be carried out by expert personnel; the
valid wiring diagram and the VDE guidelines must be observed. Compare the mains
voltage at site with the nameplate of the unit.
After two short-circuit shutdowns, the power, motor and main switch (if present) must
be revised or replaced.
Check before emptying the position of the
motor control valve.
The controller must be turned by hand with
a hex wrench (Allen) wrench size 3mm to
12:00 clock.
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