SAFETY WARNING
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing
of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and
training. Improperly installed, adjusted or altered equipment by an unqualified person could result in death or
serious injury. When working on the equipment, observe all precautions in the literature and on the tags,
stickers, and labels that are attached to the equipment.
Packaged Rooftop Air Conditioners
Precedent™ — Gas/Electric
3to10Tons–60Hz
Installation, Operation,
and Maintenance
Model Numbers
YSC037E - YSC067E YHC037E - YHC067E
YSC036E - YSC060E YHC036E - YHC072E
YSC072F - YSC120F YHC120E
YHC048F - YHC060F YHC072F - YHC102F
RT-SVX21P-EN
July 2014