Atmos Multi User Manual

Table 2
Code
Diagnostic
display
Central heating
water display
Function Setting
OA 20
Night set back reduction rate 20°C
30
*30°C
40
40°C
50
50°C
Ob 20
Low setting 20°C
30
*30°C
40
40°C
50
50°C
Oc 50
High setting 50°C
60
60°C
70
*70°C
80
80°C
Od 03
Switching differential 3°C
05
*5°C
08
8°C
12
12°C
OE 0
Supply/return sensor correction factor Supply 100%
Return 0%
30
Supply 70%
Return 30%
60
Supply 40%
Return 60%
90
*Supply 10%
*Return 90%
* standard
2.3 How the Weather Dependant Control works
The Weather Dependant Control uses three temperatures to control the temperature in the house
and these are dependant on the control graph (Fig 6). It works according to a heating-up line. This
line indicates which temperature the appliance requires for a certain outside temperature, so that
the house may be kept at the right temperature.
The control unit is factory-set. For optimal control, a number of standard settings can be changed,
although these factory settings are sufficient for nearly every situation. i.e the slope of the heating-
up line can be altered by changing the high and low settings.
Note: Fine tuning of the settings may be necessary over several weeks. It is recommended not to
readjust the setting until two or three days have elapsed.
Fig 6
ATMOS MULTI Weather Dependant Control
Page 7

Atmos Multi Specifications

General

Brand	Atmos
Model	Multi
Category	Controller
Language	English