6 720 643 256 (2010/05)
Menu settings INSTALLER SETTINGS (for installers only)
|
67
US/CA
8.3 Parameters for heating
Installer settings: Heating parameters
Use this menu if you want to set the parameters
for the entire heating system or for individual
heating circuits controlled by the FW 200
controls. For example, the heating curves can be
calculated with these parameters.
8.3.1 Parameters for the entire heating system
Installer settings: Heating parameters
•
Minimum outdoor temperature
: Set the
expected minimum outdoor temperature
under this item (model for the whole heating
system) (guide values
Æ
Fig. and table 6).
Low outdoor temperatures produce a flat
heating curve.
•
Building storage capacity
: Use this menu
option to set the factor for the heat storage
capacity of the building.
–
≥
50%
: Building of solid construction (e.g.
well insulated brick house).
–
≤
50%
: Building of light construction (e.g.
wood or steel frame structure).
•
Calibrate internal room temp sensor
: This
menu option only appears if the controls are
wall-mounted.
Use this menu option if you want to correct
the displayed room temperature.
B
Position a precision instrument near FW 200.
The precision instrument must not transfer
any heat to the FW 200.
B
Keep away from heat sources such as sunlight,
body heat, etc. for 1 hour.
B
Determine the displayed temperature
differential (T
Reference
– T
FW 200
) and set as
correction value.
For menu structure and adjustment ranges
Æ
page 58.
Set the supply temperature control
on the boiler to the maximum
required supply temperature.
City
Minimum
outdoor
temperature
in °F ( °C) City
Minimum
outdoor
temperature
in °F ( °C)
Bermuda
59 (15)
Montreal
– 9 ( – 23)
Boston
0 ( – 18)
New Orleans
19 ( – 7)
Cleveland
– 4 ( – 20) New York
0 ( – 18)
Chicago
– 9 ( – 23) Ottawa
– 9 ( – 23)
Dallas
10 ( – 12)
Pittsburgh
– 4 ( – 20)
Detroit
– 9 ( – 23) Quebec
– 15 ( – 26)
Honolulu
59 (15)
San
Francisco
36 (2)
Houston
19 ( – 7)
Toronto
– 9 ( – 23)
Los Angeles
36 (2)
Washington
0 ( – 18)
Miami
36 (2)
Tab. 6
Minimum outdoor temperatures for
North America
