PLUS
300 EXPERT
U THR
Pag. 14
USE AND MAINTENANCE MANUAL
Rev. 01-18
19
Alarm
20
Stand-by
GENERAL FEATURES
For safety reasons and to simplif
y the operator’s work, the
PLUS300 EXPERT U THR
has
two programming levels; the first level is used to modify
SETPOINT
parameters (i.e. those
parameters that are changed frequently). The second level is for general parameter
programming of the various board work modes.
It is not possible to access the first programming level directly from the second level: you
must exit the programming mode first.
KEY TO SYMBOLS
For practical purposes the following symbols are used:
•
(
)
indicates the UP key
used to increase value
and to force the defrost / pause;
•
(
)
indicates the DOWN key
used to decrease value, to mute the alarm and to force
the air changing.
SET POINT PROGRAMMING AND DISPLAYING
1. Push the
SET key
to display the current
SET POINT
(temperature and humidity
alternately).
2. Press the
SET key
and push one of
(
)
or
(
)
keys
to modify the
SET POINT
value.
Release the
SET key
to return to cold room temperature display; modifications are saved
automatically.
5.4
CHAP. 5 - Parameters programming
5.5
5.6
