Carrier 50PG24 - Page 81

81
NETWORK
OPTIONS
REMOTE
CCN SITE
AUTODIAL
GATEWAY
NON CARRIER
HVAC
EQUIPMENT
TERMINAL
SYSTEM
MANAGER
TCU
ROOFTOP
UNIT
DAV AIR
TERMINAL
TCU
TCU
DAV AIR
TERMINAL
AIR DISTRIBUTION-DIGITAL AIR VOLUME CONTROL (DAV)
DAV FAN
POWERED
MIXING
BOX
TO
ADDITIONAL
TERMINALS
HEATING/COOLING UNITS
BUILDING SUPERVISOR
ROOFTOP
UNIT
CL
ROOFTOP
UNIT
CL
ROOFTOP
UNIT
CL
ROOFTOP
UNIT
CL
CCN BUS
CL
COMFORT
CONTROLLER
COND
COMPRESSOR
SUBCOOLER
HX
SUBCOOLER TXV
MAIN TXV
EVAP
LEGEND
CCN — Carrier Comfort Network®
CL — ComfortLink™ Controls
DAV — Digital Air Volume
HVAC — Heating, Ventilation,
and Air Conditioning
TCU — Terminal Control Unit
Fig. 28 — CCN System Architecture
Fig. 29 — Subcooler Operation
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