Part number 550-142-850/0115
61
FreeStyle
™
W
ALL
M
OUNT
GAS
-
FIRED
WATER
BOILER
—
Boiler Manual
25
DHW Settings
(Combi Only)
DHW SETTINGS
1.
4HE$(73%44).'3MENUSAREFORSETTINGCONTROLOPERA
-
tion during DHW operation. The settings apply ONLY to
$(7
:ONE
2.
)F$(7ISUSEDTHESETTINGSFORCONTROLOPERATIONDURING
$(7CALLSFORHEATARESETUNDERTHE$(73%44).'3MENUS
(Figure 74, page 57).
DHW TEMPERATURES
$(7 PRIORITY
— The
FreeStyle
™
control gives
PRIORITYTO$(7OPERATION$URING$(7CALLFOR
heat, the
CENTRAL
heating zone output is disabled.
This continues until the DHW call ends or the
$(7 -!8 /. 4)-% HAS ELAPSED WHICH IS
minutes.
"/),%23500,9
1. The
FreeStyle
™
control will regulate boiler firing to provide
outlet water at this temperature.
2. For most DHW applications, set this to 190°F. A lower supply
temperature can be used, but will reduce the indirect water
heater heating capacity.
Figure 83
#OMPENSATIONPARALLELOFFSETCURVES
4YPICALLOWTEMPERATURERADIANTAPPLICATION
SUCHASINmOORTUBING
Figure 84
#OMPENSATIONPARALLELOFFSETCURVES
4YPICALlNTUBEBASEBOARDRADIATION
24
Controls and operation
(continued)
Figure 85
$(73%44).'3
MENUSEEBELOWFORSETTING
VALUESANDDESCRIPTIONS
2ATED
Heat
)NPUT
$(7PRODUCTIONRATE
[MBH]
[GPM with
ǻ7 )@
[GPM with
ǻ7 )@
[GPM with
ǻ7 )@
[GPM with
ǻ7 )@
FS-80
4.7
2.8
2.0
1.6
FS-120
7.2
4.4
3.2
2.4
Figure 86
$(7CURVE&REE3TYLE
Figure 82
#OMPENSATIONCURVES
68
86
104
122
140
158
176
194
-4
2
8
14
20
26
32
38
44
50
56
62
68
BOILER FL
O
W
TEMPERA
TURE (
°F)
OUTSIDE AIR TEMPERATURE (
°F)
OTC CURVES
1
2
3
4
5
6
7
8
9
10
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
6.5
7
7.5
8
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105
Freestyle 80 - DHW PRODUCTION
Freestyle 80
Delta T (ºF)
G.P.M.