Alfa Laval Micro - CM737-Category 2: System Settings; CM737-Category 3: Boiler Settings

Alfa Laval Micro
Installation, service and operating instruction
38
CM737-Category 2: System Settings
12.2.2
Parameter
Para
meter
N:o
Factory Default Setting
Optional Setting
Display
Description
Display
Description
Summer heating in
OTC mode
1:SH
0
Summer heating
disabled
1 to 40
Minimum set point for the
heating and the pump will be
held on.
Economy function
2:SL
20
The outside
temperature at which
the heating will switch
off
10 to 30
The economy function will be
disabled if the setting for
summer heating is not 0
Economy function
3:Pd
10
Diff between outside
and calculated water
supply temperature
If the calculated water
supply temperature is not
greater than the outside
temperature by this amount
the heating will switch off.
CM737-Category 3: Boiler Settings 12.2.3
Parameter
Para
meter
N:o
Factory Default Setting
Optional Setting
Display
Description
Display
Description
Maximum central
heating set point 2)
1:CH
90
90°C or obtained from
the boiler
40 to 90
40°C to 90°C adjustment in
1°C steps
DHW set point 2)
2:HS
55
55°C or obtained from
the boiler
40 to 80
40°C to 80°C adjustment in
1°C steps
Supply water
temperature 3)
3:St
Actual
temp
Temperature obtained
from the boiler
(between 0°C and
99°C)
N/A
Not applicable
Return water
temperature 3)
4:rt
Actual
temp
Temperature obtained
from the boiler
N/A
Not applicable
DHW temperature
3)
5:Ht
Actual
temp
Temperature obtained
from the boiler
N/A
Not applicable
Outside
temperature 4)
6:Ot
Actual
temp
Between -30°C and
99°C
N/A
Not applicable
Water pressure 3)
7:Pr
Actual
press
Between 0.0 bar and
4.0 bar
N/A
Not applicable
DHW storage
overnight
8:HO
1
DHW storage enabled
after last period of day
0
DHW storage disabled after
last period of day
DHW storage
during HOLIDAY
9:HH
0
DHW storage
disabled during
HOLIDAY
1
DHW storage enabled during
HOLIDAY
Low capacity
control
10:LD
1
Not applicable
0
Not applicable