Pos. Icon Description
B
Low battery indicator
C
Temperature unit, shown when the
character group A shows a temperature
D
Communication indicator
E
Indoor temperature indicator
Remote sensor temperature indicator
(RS mode)
The text Err and a flashing sensor icon
indicates a faulty sensor
Indoor temperature with floor
temperature limitation indicator
The text Err and a flashing floor sensor
icon indicates a faulty sensor
Floor temperature indicator
The text Err and a flashing floor sensor
icon indicates a faulty sensor
Outdoor temperature indicator
The text Err and a flashing outdoor
sensor icon indicates a faulty sensor
T-167 and T-168 only
Relative humidity limit reached
F
Settings menu
Settings menu number
G
Heating demand
Cooling demand
H
Comfort mode
I
ECO mode
Flashing icon in thermostat T-166 or
T-167 indicates activated holiday mode
in the system.
J
T-168 only
Digital clock
T-168 only
Parameter name in settings menu
T-168 only
Indicator showing AM or PM when the
thermostat is set to 12 h mode
No indication when the thermostat is
set to 24 h mode
Pos. Icon Description
K
T-168 only
Weekday selected/activated
1 = Monday
7 = Sunday
L
T-168 only
Time selected or scheduled hour
indicators, for Comfort mode, between
0:00 and 24:00
Half = 30 minutes
Full = 1 hour
M
Holiday mode
12.3 Operating buttons
The figure below shows buttons used to operate the
digital thermostats.
B
C
A
Pos. Description
A
The - and + buttons are used to:
• Adjust setpoint temperature
• Modify parameters in the settings menus
B
C
The OK button is used to:
• Toggle between current status data, and
values of available sensors connected to the
thermostat
• Enter and exit the settings menu
• Confirm a setting
12.4 Start up
When starting up, the software version is shown in the
display for about three seconds. Then the thermostat
enters run mode.
The first time the thermostat is started, or after a
factory reset, the software requires the time and date to
be set (T-168 only).
UK
CZ
DE
DK
EE
ES
FI
FR
HR
HU
IT
LT
LV
NL
NO
PL
PT
RO
RU
SE
SK
59
UPONOR SMATRIX WAVE/WAVE PLUS
· INSTALLATION AND OPERATION MANUAL