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Operating The Room Thermostat Cm737; Choosing The Operating Mode; During Normal Operation; Programming The Room Thermostat - Efficient Daily Use - Honeywell CM737 User Instruction

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2 Operating the room thermostat CM737

2.1

Choosing the operating mode

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) mode sets the CM737 to follow the built-in temperature program, default or
personalized. Using this mode is the best way to maintain a high level of temperature comfort whilst
maximising the energy savings.
MAN (manual) mode sets the CM737 to act with a fixed set point throughout the day. The set point can
be adjusted from 5°C to 35°C by using the
OFF mode sets the CM737 to control to a minimum temperature. Default setting of 5°C acts as a frost
protection.
NOTE: The built-in heating program has been designed to provide normal comfort requirements, but to
customise the settings please see
2.2

During Normal Operation

Temperature Enquiry
In AUTO, MAN and OFF operating modes the CM737 will display the current room temperature.
To review the programmed target temperature, press the
displayed flashing for 5 seconds before returning to the current room temperature value.
Temperature Override
During normal operation (AUTO mode) the programmed temperature can be adjusted manually by
pressing the
Note: This temperature override is cancelled at the next programmed temperature change.
Programming the room thermostat – Efficient Daily Use
2.3
2.3.1

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 you to maintain the evening temperature 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.
Monday to Friday (Day 1 to 5)
Period
1
Time
6:30
Temperature
21 °C
Saturday to Sunday (Day 6 to 7)
Period
1
Time
8:00
Temperature
21 °C
2.3 Programming the room thermostat – Efficient Daily
or
buttons or the
button.
2
3
8:00
18:00
18 °C
21 °C
2
3
10:00
18:00
21 °C
21 °C
or
buttons.
button. This temperature value will be
4
22:30
16 °C
4
23:00
16 °C
7
CM737
User instruction
Use.

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