Theben TimeGuard TRT033 Manual page 3

1. Introduction
TRT products are a cost effective
comprehensive range of thermostats
and timers designed for internal use only.
The TRT033 is a battery powered
electronic room thermostat, with night
set back and frost mode. It has optional
PID control (which can help to minimise
temperature overshoot), and adjustable
swing (difference between on and off
switching temperatures), from 1ºC
to 0.5ºC.
It is designed to be surface mounted
on the wall plate supplied.
The electrical supply must be isolated
before removing the thermostat from the
wall plate.
TRT033 Electronic Room Thermostat
Room temperature Border illuminates
display (control when finding out
temperature displayed or changing set
flashing during setting) temperature
Shows Flashing symbol,
when heat battery change
is demanded required
Fig. 1
Button to Screen illuminates
find out or during setting of
change set operating parameters
temperature
Button illuminates
during changes to
set back and frost
settings
Thumbnail cut out to assist
battery holder removal
Fig. 1a
Reset
Frost/bed
button button
RESET
Battery holder
(2 x AA batteries)