Installation, Operation, and Maintenance
Packaged Rooftop Air Conditioners
Precedent™ — Gas/Electric
3 to 10 Tons — 60 Hz
Model Numbers:
Model Numbers:
Model Numbers:
Model Numbers:
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.
January 2021
YSC036G - YSC060G
YSC072H - YSC120H
YHC036E - YHC072E
YHC048F - YHC060F
RT-SVX21AC-EN
YHC072F - YHC102F
YHC120F
YHC037E - YHC067E
SAFETY WARNING
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