Danfoss VTT Series Applications And Installation Manual page 55

Table 23
Recommended Tightening
Torques
Compressor Module Installation
13. Tighten the M20 Allen head screws with a
torque wrench to the recommended torque
level shown in Table 23.
14. Slowly release the load from the crane so
that compressor weight is supported by the
compressor mounts. Tighten the compressor
bolts.
15. Install the motor cooling inlet and exit lines
Install new gaskets or O-rings when attaching flanges to the compressor.
A filter drier must be installed in the motor cooling liquid line as shown in the Refrigeration Schematics.
Indicator
Suction Flange
Discharge
Economizer
Motor Cooling Inlet (4 Bolt)
Motor Cooling Inlet (2 Bolt)
Motor Cooling Exit (4/2 Bolt)
Base Mounting
16. Using the new O-rings supplied with the
compressor, attach all refrigerant line
connections.
17. Remove the service-side cover.
18. Connect the interface cables, CIM, DC-DC
and Drive Module to the relevant connection
points on the CCM and PWM.
NOTE
• • • CAUTION • • •
Screw Thread Spec Recommended Torque Nm (ft. lb.)
M20
M20
M16
M14
M8
M14
M12
M-AI-VT-001-EN Rev.C.1
200 Nm (147 ft. lb.)
200 Nm (147 ft. lb.)
100 Nm (74 ft. lb.)
70 Nm (51 ft. lb.)
30 Nm (22 ft. lb.)
70 Nm (51 ft. lb.)
70 Nm (51 ft. lb.)
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