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5. Commissioning
This section addresses initial power up (or commissioning) of a new
Infinity System Control. The control will communicate and identify all
components in the Infinity System. The following is a typical example
for a communicating variable-speed furnace / fan coil with a 2-stage
air-conditioner / heat pump (including HYBRID HEAT® dual fuel
system). The process may vary for other types of systems. See the
Infinity System HVAC equipment Installation Instructions for more
details, as provided.
5.1. Searching for Indoor Unit
The Infinity System Control will light up and display the Carrier logo and
then begin the commissioning process by displaying “Searching for
indoor unit”.
NOTE:
If the Infinity System-compatible indoor equipment (package
unit indoor section, gas furnace or fan coil) cannot be found, the control
will display “Indoor unit not found”. This
MUST
be corrected before the
initial power up sequence can continue, proceeding to the next section,
“Searching for outdoor unit.” If it is not corrected, the Infinity System
Control will go into its DEMO operating mode. If a control is operating
in Demo mode and you wish to install it with equipment, navigate to the
Installer menu and perform a re-install to re-learn the equipment.
TIP:
Troubleshoot ABCD communication bus problems by removing all
but the indoor unit and system control from the ABCD bus circuit. As
each bus segment is verified, connect the next component and continue to
troubleshoot as required.
5.2. Searching for Outdoor Unit
The Infinity System Control will then proceed to communicate with the
outdoor unit by displaying “Searching for outdoor unit”. This includes
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Страница 90: ...90 A07114 G Input Wiring for Blower Operation R G FE Fan Coil or Variable Speed Furnace ...