Carrier 16LJ-A Series Operation Manual page 6

DO NOT OPERATE COOLING WATER PUMP
WITHIN 1 HOUR AFTER CHILLER STOPS
COMPLETELY
There is a possibility of chilled water
freezing by the remaining cooling
capacity.
WIRE EACH INTERLOCK
Be sure to wire the interlock for
chilled water pump, cooling water
pump and ventilation fun.
Prohibited
1-3
Must be
observed