ABB -free@home TH-1.1 Product Manual page 9

Setting Description
Heating Defines type of
system, first heater controlled by
stage (W1) W1 wire.
Heating
Defines type of
system,
heater controlled by
second stage
W2 wire.
(W2)
Cooling Defines type of
system, first device controlled by
stage (Y1) Y1 wire.
Cooling
Defines type of
system,
device controlled by
second stage
Y2 wire.
(Y2)
Note: For heat
pumps only.
Heat pump
Reversing valve
reversing
switches between
valve is
heating/cooling
engaged ...
mode of heat pump.
(O/B)
Setting defines
polarity of reversing
valve.
Type of
Defines type of
accessory
device controlled by
(ACC)
AUX/ACC wire.
Product Manual 2CQA 100 014 B0001 │ 2018-09-28
Options
· None
· Natural Gas
· Heat Pump
· Propane
· Oil
· Electric
· Hydro underfloor
·
Hydro radiator
· None
· Natural Gas
· Heat Pump
· Propane
· Oil
· Electric
·
Emergency
Heating
· None
· Air
conditioning
· Heat pump
· None
· Air
conditioning
· Heat pump
· Heat pump
reset (do not
use)
· On cool
· On heat
· Humidifier
(evaporative)
· Humidifier
(steam)
·
Dehumidifier
(active closed)
·
Dehumidifier
(active open)
Configuring the Thermostat
Image
│9