Assembly
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4.4 Installation
4.4.1 Mechanical installation
1. Pre-assemble the oil level regulator in the mounting position.
2. Screw in screws by hand.
3. Then tighten with 9Nm tightening torque.
Additionally for the installation of an adapter:
1. Ensure the cleanliness of the thread of the compressor and adapter.
2. Assemble the INT280 adapter so that the hexagon of the inner part is flush mounted with the outer ring (see
note A in dimensions in mm in the Accessories chapter).
3. Mount the thus pre-assembled INT280 adapter to the compressor with the specified torque of the manufacturer.
4. Mount the INT280 oil level regulator with sealing ring to the adapter; mounting the screws hand-tight with the
included washers. Then tighten with 9Nm tightening torque.
4.4.2 Cable installation
Observe the following points when routing the connecting cables:
•
Do not go below the bending radius permitted for the cable used.
•
Fixate the cable suitably at sufficient distances.
•
Route the cable with drip loop.
•
The seal of the PG screw fittings is ensured only when approved cable cross-sections are used (see data sheet).
4.4.3 DP cable connections
•
The "INT280-xxx" Diagnose can operate with the data of the compressor protection units INT69 Diagnose.
Coupling is by a DP-Y cable (see Accessories).
•
If there is a network with an INT600 DM, only original DP cables from KRIWAN may be used.
•
DP cables may not be modified or extended.
•
If no DP cable is connected, then the DP protection needs to be mounted.
•
DP cables may only be connected or disconnected when there is no voltage.
4.5 Before commissioning
•
Before the oil level regulator is switched on for the first time, the oil level should already be at ¼ of the sight glass
to prevent the alarm relay from being deactivated.
•
Before the refrigerating system is filled with refrigerant, the system and the connections of the Ölspiegelregulators
have to be checked for leaks.
The oil level regulator has to be installed in such a way that the sight glass points to the left or to the
right. Only the horizontal installation according to the data sheet is in the specified manner and thus
permitted.
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