TH131 & TH133
400-131-002-C 1/11/06 1/2
NOTE
: Even if the following illustrations show the TH131 model only,
they can also apply to the TH133 model.
This user guide covers the following thermostat models:
• TH131 A/F/AF
• TH133 A/F/AF
The TH131 model is designed for residential applications, whereas
the TH133 model is designed for public areas as its controls are hid-
den and thus protected against unauthorized access. Both models
can be configured for the following applications:
NOTE
: Keep the thermostat's air vents clean and free from obstruc-
tions.
3.1
Application Types
Position the switch, on the back of the control module, according to
your application.
3.2
Minimum and Maximum Limits (TH131 only)
Use the two potentiometers on the
back of the control module to set
the minimum and maximum tem-
perature limits. Depending on your
application, the potentiometers
limit the following temperature:
ambient temperature (A)
floor temperature (F or AF)
Use a flat-tip screwdriver to rotate
the potentiometers until the notch
points to the desired temperature
limit.
Description
1.
n
o
it
a
c
il
p
p
A
e
p
y
T
A
Controls the ambient (room) temperature
F
Controls the floor temperature
AF
Controls the ambient temperature and limits the floor temperature
Heating indicator
Temperature
selection dial
On/Off switch
Pilot wire indicator
(Europe only)
TH131
TH133
Front View
Rear View
Installation
2.
Configuration
3.
Type
Switch Position
A
UP (A/AF)
AF
UP (A/AF)
F
DOWN (F)
Control Module
Power Base
notches
TH131 & TH133
User Guide
Electronic Thermostat
W2UT-2 (TH131)
