Power up the line voltage wiring 24 hours before start up to allow the oil to warm up and drive off any refrigerant in the compressor oil. In the event line voltage power is off for any length of time during the unit’s normal service life (for more than four hours) allow the unit to warm up the oil for 1/2 hour for each hour off line.
Refer to Aermec chiller start up procedure form doc. 061103. Make sure all hydronic, electrical and refrigerant checks have been completed. Check to make sure the hydronic system is pressorized to 1.5 bar (21 PSIG) and that all isolating valves are fully open between the unit and load.
If a remote pumping station is used. Make sure that the pump is on and rotating in the correct direction to pump water through the system. Water flow must be established.