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Setting target Humidity Setpoint
HuMidifiCAtion / deHuMidifiCAtion
reCoMMendAtion for BoSCH HeAt
PuMP
With a residential Bosch Heat Pump, it is
recommended to use the cool-to-dehumidify option
with the equipment. When a humidity call is made by
energizing the "D" terminal, the fan motor will slow
down to better dehumidify the air by over cooling.
Humidification
1. Select HUM Terminal #1. This will work with Bosch
Humidifier Series and replace the manual humidistat.
Dehumidification
1. Enable Cool-to-dehumidify feature from the Tech
Menu Setup
2. Select DHM Terminal #1
These are just typical settings that would be used with
a residential Bosch heat pump. Ultimately, the installer
must be aware of the system that the thermostat is
controlling and the sequence in which dehumidification
and humidification are being addressed to establish the
correct thermostat settings.
Setting tArget HuMidity SetPoint
Follow the steps below to change your target humidity
setpoint.
1. Press the HUMIDITY key
2. Use the
key to select the target humidity
setpoint.
3. Press done when completed
"D" and "H" Terminals use the "R" Terminal to
complete the circuit. This is a normally open circuit.
The target humidity setpoint is not programmable.
Unlike temperature, humidity does not change
quickly and should not be programmed.
Humidity is only energized during heat.
Dehumidify is only energized during cool. Heat
and Cool each have their own target setpoints.
TARGET HUMIDITY SETPOINT KEYS
Revised 02-13
Subject to change without prior notice
TSTBM3H2CPH6W-A
HUMIDITY KEY
AMBient HuMidity diSPlAy
Ambient humidity will flash opposite the day and
time, if the optional TSTBM-OTS--TW-A outdoor
temperature sensor is installed the ambient outdoor
temperature will also cycle in the display.
AMBIENT HUMIDITY
DAY & TIME
OUTDOOR TEMPERATURE
6 720 220 376
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