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Installation - Electrical
Note: If plastic tubing pulls away from a connection, trim it
back before replacing it on the fitting. Stretched
tubing may leak and cause faulty control.
Figure 24. Static pressure sensor installation
Static Pressure
Head Assembly
Connector
for 1/4"
Tubing
Sheet Metal Screws
(provided by installer)
Zone Sensor Options for Control
Units
Zone sensor options are available and can be ordered with
the unit or after the unit ships. They also can be ordered
through "Unitary Accessories (ACC)"/"UPG Rooftop,
Packaged Heat Pump, Split System Accessories (ACC)".
Contact your local Trane sales office. Following is a full
description of zone sensors and their functions. Following
is a full description of zone sensors and their functions. See
Table 32, p. 63
for the zone sensor temperature vs.
resistance coefficient curve.
CV Unit Zone Sensor Options
BAYSENS108
Dual setpoint, manual/automatic changeover sensor
BAYSENS108 and BAYSENS110
These zone sensor modules are for use with cooling/
heating constant volume units. They have four system
switch settings (heat, cool, auto, and off) and two fan
settings (on and auto).The zone sensor provides either
manual or automatic changeover control with dual setpoint
capability.
40
Duct
Pressure
Sensor
NOTE:
Pleace sensor inlet
perpendicular to airflow.
Standard with All Units: BAYSENS077
Zone temperature sensor only
This zone sensor module ships with all units, and can be
used with BAYSENS019, BAYSENS020, or BAYSENS021
remote sensors. When this sensor is wired to one of these
remote zone sensors, wiring must be 18 AWG shielded
twisted pair (Belden 8760 or equivalent). Refer to the
specific zone sensor for wiring details. It provides the
following features and system control functions:
•
Remote temperature sensing in the zone
•
Morning warm-up sensor
•
Zone sensor for ICS™ systems
•
Zone temperature averaging
When used as a remote sensor for standard zone sensor,
the thermistor sensor must be disabled.
(Possible Schematic Designation(s): 5U23, 5U26, 5U30,
and 5RT5.)
BAYSENS110
Dual setpoint, manual/automatic changeover sensor with system function
BAYSENS108 and BAYSENS110 features and system
control functions include:
•
System control switch to select heating mode (HEAT),
cooling mode (COOL), automatic selection of heating
or cooling as required (AUTO), or to turn the system off
(OFF).
SCXF-SVX01T-EN
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