Alfa Laval Micro - 5 Installing the Room Thermostat CM737; General; Room Thermostat CM737

Alfa Laval Micro
Installation, service and operating instruction
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5 Installing the room thermostat CM737
General 5.1
CM737 in Micro STC and Micro STC2 controls the supply temperature to the heating system. When connecting
the unit to the power supply, CM737 verifies the connected sensors and then automatically chooses to control
by room or outdoor temperature sensor or both.
Room thermostat CM737 5.2
Description
The Honeywell CM737 is a programmable
heating controller designed to control the
heating system efficiently, providing
comfortable temperatures when you are at
home and energy savings when you are
away.
Features
 Ergonomic user interface
 Large LCD (Liquid Crystal Display)Screen
 Four independent temperature levels per day, from
5°C to 35°C
 Built-in Memory holds the user program indefinitely
 Holiday button saves energy by letting you reduce the
temperature for 1 to 99 days
 7- days heating program to match your lifestyle, and
maximising energy savings
Picture 10
1
LCD display
6
Temperature change buttons
11
Program buttons
2
Time display
7
Temperature enquiry button
12
Copy day button
3
Heating indicator
8
Operating mode buttons
13
Day select button
4
Day indicator
9
OK button, green
14
Time change buttons
5
Temperature display
10
Holiday function button
Micro STC and Micro STC2 with CM737 are supplied fully wired. The wiring conforms to the applicable rules for
CE marking and has undergone electrical safety tests testing and function tests.
OK-button (9)
When changing settings/values in CM737 the numbers in the display is flashing.
Confirm the new settings with the green OK-button (9) and the new setting will be confirmed.
Info-button (7)
Operating with outdoor compensation, target room temperature is shown on the display
Press the Info-button to review:
 target room temperature
 error code, if any
 the text ext and measured outside temperature (if connected)
 measured supply water temperature.
After ca. five seconds the display return to show measured room temperature.