A service technician makes an expansion valve adjustment. EDITOR’S NOTE: This is the fourth of a five-part series providing a guide for retrofitting open refrigerated display cases with doors and ...
MELTING AWAY: The latent heat of fusion for ice is 144 Btu/pound, which means that 144 Btu are absorbed for each pound of ice that is melted to water. (Staff photo). March 4, 2021 Service technicians ...
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