Ccn System Architecture; Energyx - Carrier 48/50PG C03-14 Operation And Service Manual

BUILDING SUPERVISOR
NETWORK
OPTIONS
REMOTE AUTODIAL
CCN SITE GATEWAY
NON CARRIER
HVAC
EQUIPMENT
COMFORT
CONTROLLER

EnergyX

Units equipped with Optional EnergyX have a factory installed
energy recovery ventilator (ERV).
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.
CCN BUS
ROOFTOP
UNIT
CL
ROOFTOP
UNIT
CL
TERMINAL
SYSTEM
MANAGER
CL
ROOFTOP
UNIT
AIR DISTRIBUTION-DIGITAL AIR VOLUME CONTROL (DAV)
Fig. 46 − CCN System Architecture
The ERV is used to
ROOFTOP
UNIT
CL
ROOFTOP
UNIT
CL
HEATING/COOLING UNITS
TCU TCU
TCU
DAV AIR DAV AIR
TERMINAL
TERMINAL
78
LEGEND
CCN -- Carrier Comfort Networkr
CL -- ComfortLinkt Controls
DAV -- Digital Air Volume
HVAC -- Heating, Ventilation, and
Air Conditoning
TCU -- Terminal Control Unit
TO
ADDITIONAL
TERMINALS
DAV FAN
POWERED
MIXING
BOX