Go to them all day at the beginning of summer,two split ducteds on one site a few months ago,3 inches of ice on the suction lines and an igloo in the compresser compartment...
Hasn't worked well for a while they said.
We have a 45KW chilled water coil full of dirt ATM,its 250mm thick,so its not doing my patience any good.
Spray with Cleaner,turn on supply fan to suck it through,leave to soak,presure clean off,turn fan on to pull water through,then repeat,then repeat,and on it goes.

Cant use too much pressure or it will damage the fins.
Anyway,the boys can continue with it tomorrow,i have done my shift.


Luckily its in an outside plant room,so water can run everywhere with no issues.
Also removed both heater banks,they were full of dirt as well,blocking off the airflow,and surprisingly not badly rusty,the plant is around 25yrs. old.
Anyway,pressure cleaned them,will fit them back in tomorrow.
Staff are back at schools,been to two freezer rooms,both at different sites,both at 36 degrees.

Luckily no stock in either,which is good,we are trying to educate our customers to always leave the rooms and cabinets on,but empty.
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