Hussmann proto-aire Manuel De Montage

Protocol™ Installation and 

Service Manual 

Frontseat Suction and Discharge Service Valves. 
Bleed compressor pressure through both discharge and suction access ports into an 
approved recovery vessel. 
 
Remove externally mounted components that will be re-used on the replacement 
compressor. 
 
Remove suction and discharge rotolocks. 
 
Remove mounting bolts. 
 
Plug holes per compressor manufacturer’s specifications. 
 
Install the new compressor in reverse order of removal.  Do not open the new 
compressor to the system until the system has been leak tested and triple evacuated. 

 
Replacing Drier 
 

Shut down the system.  Isolate the Drier to be replaced and bleed off pressure into 
an approved recovery vessel.  Replace.  Pressurized, leak test and bring back on 
line. 

 
Recommended Maintenance 
 
Hussmann recommends the following maintenance for Protocol™ systems: 
 
 
Twice a Month 

1.  Review store operating data. 

a.  Graph the various temperatures and pressures for each unit; look for unusual 

trends. 

 
b.  Look through the alarm menu of each unit. 

 
Every Six Months 
 

1.  Check water strainers at each unit.  Clean as necessary. 
 
2.  Go through Protocol™ Checklist.  See sample on next page.  You should duplicate 

the blank checklist for your use.  File the completed checklists for future reference. 

 

3.  Check and keep a record of pumping station inlet and outlet pressures. 

 

4.  Review maintenance logs.  ALL service must be logged. 

 

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