Trane ZN. LonWorks control, Руководство пользователя

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CNT-SVX13B-E4 5
Features
The ZN. unit controller may be
applied as part of a Trane Tracer
Summit™ system, as a stand-alone
device, or as an interoperable
controller. The unit controller may be
applied in a peer-to-peer
communication environment, where
data can be exchanged between
similar controllers without requiring
a master device.
In stand-alone configuration, ZN.
receives operation commands from
the zone sensor. The zone sensor
module is capable of transmitting the
following information to the
controller:
• Zone setpoint
• Current zone temperature
• Fan mode selection (Off-Auto-High-
Medium-Low)
• Timed override on/cancel request
In network configuration, ZN. can
either receive its operating
parameters from the wall thermostat
and/or from a BMS connected on the
network.
Occupancy modes
Four occupancy modes are
controlled:
• Occupied (or Comfort): This is the
normal operating mode for
occupied spaces or daytime
operation. This mode uses the
occupied cooling and heating
setpoints. The controller is selecting
automatically (if auto) the lowest
fan speed, the valve or the electric
heater (if present) are modulating
in order to maintain the requested
setpoint.
• Occupied Standby (or Economy)
[only available in n BMS
configuration]:
Mode used to
reduce the heating and cooling
operation during the occupied
hours when the space is vacant or
unoccupied. Setpoints are widened
thus reducing energy consumption.
This mode is selected when the
communication request is
'occupied' and the occupancy input
indicates 'unoccupied' (see binary
inputs). Occupied standby cooling
and heating setpoints are activated
in this mode.
• Unoccupied (or Antifreeze): Normal
operating mode for unoccupied
spaces or nighttime operation.
Unoccupied cooling and heating
setpoints are activated. If the zone
temperature deviates outside of the
unoccupied setpoints, the high
speed is automatically selected.
• Occupied Bypass (or Night
override):
Mode used for timed
override conditions. In occupied
bypass mode, the controller is
using the occupied cooling and
heating setpoints for 120 minutes
(factory setting). This mode is
selected when the communication
request is 'unoccupied' and an
occupant presses the 'On'
pushbutton on the remote zone
sensor when present. This mode
stops when the time elapsed, the
occupant presses the 'Cancel'
pushbutton on the remote zone
sensor or the communication
request switches to 'occupied'.