Balance Point - Bosch TSTBM3H2CPH6W-A Installation Manual

20 TSTBM3H2CPH6W-A

Balance Point:

The system operates differently when a balance
point is used on a dual fuel system. The balance
point outdoor temperature setting will be the
outdoor temperature at which the thermostat
tech Setup Step (Continued from the previous page)
Balance Balance point with electric
auxiliary can optimize heat pump
Point
usage. An outdoor temperature
(gas
above balance point will cause
Auxiliary
the thermostat to only allow
off)
the Y terminal(s) to energize.
An outdoor temperature below
balance point will cause the
thermostat to allow the Y
terminal(s) and the W2 terminal to
energize.
Note: Only shows up if Heat Pump
is set to YES and Outdoor Sensor
is turned ON and Gas Auxiliary is
turned OFF
Balance
Balance point run time will
allow the W2 auxiliary terminal
run time
to energize even if outdoor
(requires
temperature is above the selected
enabling
balance point temperature. If
Balance
enabled, auxiliary will energize for
Point
the current cycle after the balance
feature)
point run time has expired.
Humidify This feature adds humidity when
System key is in Heat.
dehumidify This feature removes humidity
when System key is in Cool.
Humidity This feature allows the installer
to change the callibration of the
Calibration
ambient humidity displayed.
6 720 220 376
chooses either the heat pump or gas furnace. For Example:
A balance point setting of 30ºF will turn on only the heat
pump above 30ºF and only the gas furnace below 30ºF. Y1
will be stage one above 30ºF and W2 will be stage one
below 30ºF.
lCd will show Adjustment options
10, 20, 30, 35, 40, 45, 50 outdoor
temperature balance point setting
yeS 15, 30, 45, 60, 75, 90
continuous run time minutes.
NO
Use the
on.
If ON is selected the humidity will
be displayed on the main screen
and Hum terminal will energize
when humidity setpoint is above
ambient humidity in Heat mode.
Use the
off.
If ON is selected the humidity will
be displayed on the main screen
and DHM terminal will energize
when humidity setpoint is below
ambient humidity in Cool mode.
Use the
calibration +/– 3.
Subject to change without prior notice
technician Setup Menu
– or + keys to turn off or
– or + keys to turn on or
– or + keys to adjust the
factory
default
Settings
NO
NO
OFF
OFF
0
Revised 02-13