Trane BCHE Installation, Operation And Maintenance Manual page 103

Changes setting between d1ºF and d6ºF (0.5ºC and 3.0ºC)
Default: d1ºF
11 – Dead Band
Dead band is the minimum number of degrees allowed
between heat set point and cool set point in auto
changeover operation.
Select setting between 0ºF and 9ºF (0.0ºC and 4.5ºC)
Default: 4ºF
Note: Only appears when system is set to 7.
12 – Minimum Set Point Cooling (Lower Limit)
The minimum cooling set point can be limited so the
cooling cannot be set too low.
Adjust setting between 45ºF and 90ºF (7.0ºC and 32.0ºC)
Default: 45ºF
Note: Will not appear when system is set to 1.
13 – Maximum Set Point Heating Upper Limit)
The maximum heating set point can be limited so the
heating cannot be set too high.
Adjust setting between 45ºF and 90ºF (7.0ºC and 32.0ºC)
Default: 90ºF
Note: Will not appear when system is set to 2.
14 – Temperature Calibration
The room temperature can be offset to display a different
temperature. Example: 70F room temperature with -2
setting displays 68F.
Changes displayed room temperature between -9ºF and
9ºF (-4.5ºC and 4.5ºC) Default: 0ºF
15 – Lock Feature
Thermostat can be locked so temperature, configurations
and mode cannot be changed. Thermostat must be locked
for this setting to take affect (see Lockout Feature)
0-9 - number of degrees that can be adjusted, mode cannot
be changed
Cool-Heat – can adjust up to max heat and min cool but
cannot change mode Default: 0
16 – Temperature Display
Select whether to display room temperature only, set point
temperatures only or both.
"S" Display set point only
"r" Display room temperature only
"rS" Display set point and room temperature Default: "rS"
17 – Valve Purge
Select time to open valves during inactivity period. This
feature purges the lines so water does not become
stagnant and helps keeps valves from sticking.
"0" Disabled (Default)
"1" 1 minute every 24 hours
"3" 3 minutes every 24 hours
BCX-SVX002A-EN
Button Functions
Figure 99. Thermostat button
UP – Used to increase the set temperatures and to adjust
configuration settings.
DOWN – Used to decrease the set temperatures and to
adjust configuration settings.
SYS – Used to change from OFF, HEAT, COOL and AUTO
changeover modes.
CONFIG – Used to enter configuration and advance to the
next configuration screen.
FAN – Used to turn the fan on and off. Also used to cycle
through fan speeds
SYS then CONFIG – Held in simultaneously for 10
seconds to lock and unlock the thermostat.
Up and Down – Pressed simultaneously to display pipe
sensor temperature if pipe sensor is connected.
Operating Modes
There are four possible operating modes for the
thermostat. OFF, Cool, Heat, and Cool and Heat modes
are accessed by pressing the SYS button.
Note: The modes you can access are based on your
configuration.
OFF Mode
In this mode, the thermostat will not turn on the heating or
cooling devices.
Note: The fan (when configured as continuous fan) can be
turned on manually in off mode by pressing the FAN
button. The word FAN shows on the display and the
fan icon appears when the fan operates.
Heat Mode
In this mode, the thermostat controls the heating system.
When the heat outputs, the flame icon appears on the
display.
Cool Mode
In this mode, the thermostat controls the cooling system.
When the cooling outputs, the snowflake icon appears on
the display.
Start-Up
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