Outdoor Sensor - PSSENS01
3
Summer / Winter Switch
If required the CH (Central Heating) system can be
turned off at the appliance, similar to manual sum-
mer / winter switch by press/hold the “+” button
while in
the “
StbY
” mode, the display will show
“
cOFF
”. Press/hold the “+” button to turn the CH
system back on, the display will show “c” followed
by CH set point temperature (Parameter 4) or CH
target temperature.
Adjusting Outdoor Reset Curve
Parameters 4, 10, 11, & 12 define the settings of the
outdoor reset curve. See Graph 1 and Table 1, page
5 for an example of modifying the outdoor reset
curve.
CH Maximum Operating Setpoint
(Parameter 4)
If an outdoor temperature sensor is not connected to
the appliance, the appliance setpoint for a heating
call will be set to the CH Maximum Operating
Setpoint. If an outdoor temperature sensor is con-
nected, the CH Maximum Operating Setpoint
becomes the appliance setpoint on the CH Reset
Curve Coldest Day. The outdoor temperature can
be monitored on the appliance display via item 4 of
the INFO menu.
CH Minimum Operating Setpoint
(Parameter 10)
This parameter is not applicable if an outdoor sen-
sor is not connected to the appliance. When an out-
door temperature sensor is connected, the CH
Minimum Operating Setpoint becomes the appli-
ance setpoint on the CH Reset Curve Warmest Day.
CH Reset Curve Coldest Day
(Parameter 11)
This parameter is not applicable if an outdoor sen-
sor is not connected to the appliance. When an out-
door temperature sensor is connected, the CH Reset
Curve Coldest Day is the coldest design tempera-
ture of the heating system.
CH Reset Curve Warmest Day
(Parameter 12)
This parameter is not applicable if an outdoor sen-
sor is not connected to the appliance. When an out-
door temperature sensor is connected, the CH Reset
Curve Warmest Day is the warmest design temper-
ature of the heating system.
