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Category 2 Parameters: System Settings; Category 3 Parameters: Bolier Settings - Honeywell CM737 User Instruction

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3.3

Category 2 parameters: System Settings

Parameter
Para
meter
N:o
Summer heating in
1:SH
OTC mode
Economy function
2:SL
Economy function
3:Pd
3.4

Category 3 parameters: Bolier Settings

Parameter
Para
meter
N:o
Maximum central
1:CH
heating setpoint 2)
DHW setpoint 2)
2:HS
Supply water
3:St
temperature 3)
Return water
4:rt
temperature 3)
DHW temperature
5:Ht
3)
Outside
6:Ot
temperature 4)
Water pressure 3)
7:Pr
DHW storage
8:HO
overnight
DHW storage
9:HH
during HOLIDAY
Low capacity
10:LD
control
Factory Default Setting
Display
Description
0
Summer heating
disabled
20
The outside
temperature at which
the heating will
switch off
10
Diff between outside
and calculated water
supply temperature
Factory Default Setting
Display
Description
90
90°C or obtained
from the boiler
55
55°C or obtained
from the boiler
Actual
Temperature
temp
obtained from the
boiler (between 0°C
and 99°C)
Actual
Temperature
temp
obtained from the
boiler
Actual
Temperature
temp
obtained from the
boiler
Actual
Between -30°C and
temp
99°C
Actual
Between 0.0 bar and
press
4.0 bar
1
DHW storage
enabled after last
period of day
0
DHW storage
disabled during
HOLIDAY
1
Not applicable
13
Optional Setting
Display
Description
1 to 40
Minimum set point for the
heating and the pump will be
held on.
10 to 30
The economy function will be
disabled if the setting for
summer heating is not 0
If the calculated water
supply temperature is not
greater than the outside
temperature by this amount
the heating will switch off.
Optional Setting
Display
Description
40 to 90
40°C to 90°C adjustment in
1°C steps
40 to 80
40°C to 80°C adjustment in
1°C steps
N/A
Not applicable
N/A
Not applicable
N/A
Not applicable
N/A
Not applicable
N/A
Not applicable
0
DHW storage disabled after
last period of day
1
DHW storage enabled during
HOLIDAY
0
Not applicable
CM737
User instruction

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