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YORK INTERNATIONAL
2
FORM 115.20-NOM4 (105)
3
YORK INTERNATIONAL
INSTALLATION
FORM 115.20-NOM4 (105)
TABLE OF CONTENTS
FIG. 1 – UNIT NOMENCLATURE
  
  
   
  
  
  
  

 
  
  
    
    
    
    
Reference Documents:
• Engineering Guide, Direct Drive YMB Models Form115.20-EG4 (Latest)
• Parts List, Fan Coil Air Conditioners Form 115.20-RP2 (Latest)
These documents can be ordered through Publications Dept.
or downloaded @ http://intranet.york.com/web0003/library/default.asp
MODEL WT. MODEL WT. MODEL WT.
8YMB 115 8YMB-HW 120 8YMBE 115
12YMB 120 10/12YMB-
HW
135 12YMBE 120
16/20YMB 210 16YMB-HW
20YMB-HW
210
264
16/20YMBE 210
TABLE 1 – SHIPPING WEIGHTS (LBS)
INSTALLATION.................................................................................................................................................3-6
RECEIVING ...................................................................................................................................................3
STORAGE .....................................................................................................................................................3
DESCRIPTION ..............................................................................................................................................3
HORIZONTAL APPLICATION.......................................................................................................................3
WIRING.......................................................................................................................................................3-4
YMBE SERIES ..............................................................................................................................................3
PIPING...........................................................................................................................................................6
PIPING PRECAUTIONS .........................................................................................................................6
DRAIN PIPING........................................................................................................................................6
START UP............................................................................................................................................................7
MAINTENANCE...................................................................................................................................................8