YORK INTERNATIONAL <YRK> TO MAKE ACQUISITIONS York International Corp said it has agreed to acquire Frick Co and Frigid Coil/Frick Inc for undisclosed terms. The company said Frick makes refrigeration equipment and compressors and Frigid Coil also makes refrigeration equipment. Together the two had revenues of about 50 mln dlrs in 1986. The company said it hopes to complete the acquisition in May, subject to its review of Frick and Frigid and regulatory approvals.