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TH131-15S & TH133-15S 400-131-022-A 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:
• TH131-15S A/F/AF
• TH133-15S A/F/AF
The TH131-15S model is designed for residential applications,
whereas the TH133 model is designed for public areas as its controls
are hidden 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 (TH131-15S 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.
WARNING
This thermostat provides fast-cycling control and MUST therefore
be used ONLY with solid-state relays. The use of electromechani-
cal relays will result in reduced life expectancy and possibility of
overheating of these devices.
n
Description
1.
Type Application
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)
TH131-15S
TH133-15S
Front View
Rear View
o
Installation
2.
p
Configuration
3.
Type Switch Position
AUP (A/AF)
AF UP (A/AF)
FDOWN (F)
Control Module
Power Base
notches
TH131-15S & TH133-15S
User Guide
Electronic Thermostat