Paragon 8145-20 Defrost Timer "pressures walk freezer" Questions

...walk-in freezer. The ice is accumulated on the fins of the freezer. Now it run for 11 minutes then stop for 3.5 minutes. I think the stop time is not long enough to defrost the ice. How can I set the ...

...walk in freezer that is downstairs. The rooftop unit has power going to it already. The freezer was installed for future use, now they want to hook it up. Thanks Open following link to see wiring ...