Alfa Laval Micro Instructions D'installation, D'entretien Et D'utilisation page 32

Alfa Laval Micro
Installation, service and operating instruction
8 Running the room thermostat CM737 and CM721
Choosing the operating mode
8.1
The room thermostat can operate in three different modes; Automatic, Manual or Off.
To set the operating mode press either of the AUTO, MAN or OFF buttons. The screen indicates which mode is
currently active by displaying AUTO, MAN or OFF.
NOTE: Alfa Laval recommends the mode MAN.

AUTO (automatic) the room thermostat follows the built-in temperature program, default or modified.
Using this mode is the best way to maintain a high level of temperature comfort whilst maximising the
energy savings.

MAN (manual) the room thermostat acts with a fixed set point throughout the day. The set point can be
adjusted from 5°C to 35°C by using the
The thermostat will continue to maintain this temperature until another operating mode or temperature
is selected.

OFF the room thermostat controls to a minimum temperature. Default setting of 5°C acts as a frost
protection for your home.
NOTE: The built-in heating program has been designed to provide normal comfort requirements, but to
customise the settings please see
8.2 During normal operation

Temperature Enquiry
In AUTO, MAN and OFF operating modes the room thermostat will display the current room
temperature.
To review the programmed 'target' temperature (the temperature which the thermostat is trying to
maintain) press the
returning to the current room temperature value.

Temperature Override
During AUTO mode the programmed temperature can be adjusted manually. The 'target' temperature
will be displayed and flash for 5 seconds - during this time the
modify the set value.
NOTE: This temperature override is cancelled at the next programmed temperature change.
Programming the room thermostat – efficient daily use
8.3
8.3.1 The Built-in Heating Program
The built-in heating program has four temperature level changes per day that can be set between 3.00am and
2.50am the following day - allowing the evening temperature to maintain after midnight. Each temperature level
can be set between 5°C and 35°C, and adjusted in 0.5°C increments.
The factory default program for heating is as follows:
Period
Time
Temperature
Room thermostat CM737:
The room thermostat CM737 can be programmed with different heating programs for each day of the week.
All manuals and user guides at all-guides.com
or
8.3 Programming the room thermostat – efficient daily
button. This temperature value will be displayed flashing for 5 seconds before
1 2
6:30 8:00
21 °C 18 °C
30
buttons.
or or buttons can be used to
3 4
18:00 22:30
21 °C 16 °C
use.