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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
LEGEND
CCN -- Carrier Comfort Networkr
CL -- ComfortLinkt Controls
DAV -- Digital Air Volume
HVAC -- Heating, Ventilation, and
Air Conditoning
TCU -- Terminal Control Unit
C07030
Fig. 46 − CCN System Architecture
EnergyX
Units equipped with Optional EnergyX have a factory installed
energy recovery ventilator (ERV). The ERV is used to
pre−condition outside air as it is brought into the rooftop unit. To
do this it uses building air and an enthalpy wheel. It can also have
a wheel bypass that acts as an economizer to allow free cooling. In
Appendix A there are ERV points for display under Outside Air
Unit (OAU) menus. These points and ERV specifics are explained
in the EnergyXv2 Supplement Installation Instructions contained
in the unit’s information packet.
48/50PG and PM