We ran several interesting calls this week. The following commercial refrigeration service call takes the cake. Monday we looked at a Blast Freezer at a bakery in Zion. A raccoon got caught in the outdoor condenser fan. We believe it was attracted to the warmth of the condenser during a refrigeration off cycle. When the refrigeration unit turned back on the animal was caught in the fan blade and was killed. The fan blade was lodged and the high pressure relief valve on the refrigerant line opened due to excessive pressure and blew the whole charge of refrigerant. We had to get the raccoon out of the condenser assembly. We also found that the fan motor and blade had to be replaced. We ran to a supply house and picked up a new condenser fan motor, blade, and a new high pressure relief valve. We new from past experience that once a pressure relief opens it usually tends to leak when it closes on drop of pressure. An ounce of prevention is worth a pound of cure. That is especially true when trying to prevent more gas from escaping into the atmosphere! We will provide more information on unusual jobs as they come in. Stay posted!
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