Service/Maintenance; Safety Regulations; Support; Maintenance Schedule - Danfoss iSave 21 User Manual

User manual

8 Service/Maintenance

iSave 21

8.1 Safety regulations

The operator ensures that all maintenance, inspection and installation work is performed
by authorised, qualified specialist personnel who are thoroughly familiar with the manual.
Before intervening in the iSave/system;
• The power must be shut off and the starting device be locked.
• The pressure in the High Pressure lines must be drained to the Low Pressure side.
• The Water in all connected pipes must be drained.
Always use suitable safety and lifting equipment when handling the iSave, and follow the
instructions in chapter 4.3
• When saftey equipment has been adjusted make sure that proper re-adjustment has
been made before start-up.
• When the system is re-started after service and maintenance follow the instructions in
chapter 7 and in "Start and stop procedures" in appendix. 10.1

8.2 Support

Danfoss A/S offers commissioning and service at the system manufacturer's location. Rate
quotes are offered upon request.

8.3 Maintenance schedule

The schedule of preventive maintenance below will help ensure that the iSave provides
years of trouble-free performance.
One day after commissioning:
1. Re-check bolts in the foundation and the baseplate of the iSave and tighten the bolts to
specified torque if necessary.
2. Visually inspect all pipe connections / couplings for external leakage.
3. Re-check bolts in all pipe connections / couplings and tighten the bolts to specified
torque if necessary.
4. Replace filters if necessary
5. Clean the filter housing and reinstall filters. Make sure no debris enters the system.
Three months after commissioning:
1. Re-check bolts in the foundation and the baseplate of the iSave and tighten the bolts to
specified torque if necessary.
2. Re-check alignment of iSave baseplate and iSave.
3. Visually inspect all pipe connections / couplings for external leakage.
4. Re-check bolts in all pipe connections / couplings and tighten the bolts to specified
torque if necessary.
5. Replace filters if necessary.
6. Clean the filter elements and install the new filters. Make sure no debris enters the
system.
7. Audibly inspect the iSave assembly. If there is irregular sounds or vibrations inspect the
internals parts of the iSave and replace if necessary.
180R9221 / 521B1174 / DKCFN.PS.003.A1.02 27