Hussmann proto-aire Manuel De Montage

Protocol™ Installation and 

Service Manual 

Dimensions and Weights 
 

Nomenclature 

(in.) (in.) (in.) (lb) 

17FR 

30.5 80  30.5 1200 

18FR 

43.5 80  30.5 1500 

 

Nomenclature 

(in.) (in.) (in.) (lb) 

20FR, 13FR, 29ZX 

122 

32 

30.5 

1700 

32FX, 33FX, 34FX 

122 

32 

30.5 

1900 

 

Nomenclature 

(in.) (in.) (in.) (lb) 

3 & 4 fan 

128 

56.5 

42 

2800 

6 fan (super) 

185 

56.5 

42 

3700 

 
Note: Maximum weight includes sound coating and refrigerant. 

 
Receiver Capacities are based on 80% liquid fill at 105 °F. 
 

Vertical – 55 lb 
Horizontal– 72 lb  (Standard)  

 

 

200# option 

3 & 4 Fan Proto-Aire™ - 72 lb  (Standard)   

200# option 

6 Fan Proto-Aire™ - 145 lb  (Standard) 

 

200# option 

 
 
Field Supplied and Installed Water Components 
 
The Protocol™ comes equipped with a flow control/shutoff valve for servicing the plate 
heat exchanger.  All other water loop components must be field supplied and installed.  A 
16-20 mesh strainer (1 mm) is required immediately upstream of each Protocol™. 
 
Accessibility 
 
All Standard Control Panel Doors require 40 inches clearance.  Oversized Control Panel 
Doors require 48 inches clearance.  Vertical Protocol™ units must be serviceable from the 
front and top of the unit.  Access to either side is also recommended.  Horizontal 
Protocol™ units must be serviceable from three sides, the front and right side as well as the 
top or back as viewed facing the removable panels.  A minimum of 40 inches clearance is 
recommended. 

 

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