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absorption chiller

absorption chiller

absorption chiller

(OP)
Is it possible to freeze the evaporator in a single stage absorption chiller with the unit off but with condenser pump on and tower water flowing through the condenser and chilled water pump off and no  water flow through the evaporator?

RE: absorption chiller

I dont see how it can unless it wasnt shut down properly. Did the unit go thru a dilution cycle before it was shut down?

RE: absorption chiller

(OP)
Yes the unit had been shut down for a while, it is a backup chiller
Tubes approx 60 cracked in the evap.  I know this can happen if the chilled water pump goes out but this happened with only water flowing through condenser.

RE: absorption chiller

Are you running Nitrate inhibitors in this machine? Are the ammonia levels high in it if you are? Sounds like ammonia stress cracking to me if its a nitrate inhibited machine.

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