- Service and maintenance - 46
9.8 WARNINGS
WITT pumps are for refrigeration systems only.
Read these instructions completely before selecting, using, or servicing these
pumps.
Only knowledgeable, trained refrigeration mechanics should install, operate, or
service these pumps.
Stated temperature and pressure limits should not be exceeded.
Special attention must be paid to the national rules concerning the available
materials.
Pump should not be removed unless system has been evacuated to zero pressure.
All local rules to refrigeration systems, and electric control and installation systems
must complied with.