Freestyle 80 - DHW Settings (Combi Only)

Part number 550-142-850/0716
65
FreeStyle
®
WALL MOUNT GAS-FIRED WATER BOILER — Boiler Manual
25 DHW Settings (Combi Only)
DHW SETTINGS
1. 4HE$(73%44).'3MENUSAREFORSETTINGCONTROLOPERA-
tion during DHW operation. The settings apply ONLY to
$(7 :ONE
2. )F$(7IS USEDTHESETTINGSFORCONTROLOPERATIONDURING
$(7CALLSFORHEATARESETUNDERTHE$(73%44).'3MENUS
(Figure 76, page 61).
DHW TEMPERATURES
$(7 PRIORITY — The FreeStyle® control gives
PRIORITYTO$(7OPERATION$URING$(7CALLFOR
heat, the
CENTRAL heating zone output is disabled.
This continues until the DHW call ends or the
$(7-!8 /. 4)-% HAS ELAPSED WHICHIS 
minutes.
"/),%23500,9
1. The FreeStyle® control will regulate boiler firing to provide
outlet water at this temperature.
2. &ORMOST$(7APPLICATIONSSETTHISTO&!LOWERSUPPLY
temperature can be used, but will reduce the indirect water
heater heating capacity.
Figure 85 #OMPENSATIONPARALLELOFFSETCURVES
4YPICALLOWTEMPERATURERADIANTAPPLICATION
SUCHASINmOORTUBING
Figure 86 #OMPENSATIONPARALLELOFFSETCURVES
4YPICALlNTUBEBASEBOARDRADIATION
24 Controls and operation
(continued)
&IGURE $(73%44).'3 MENU SEE BELOW FOR SETTING
VALUESANDDESCRIPTIONS
2ATED
Heat
)NPUT
$(7PRODUCTIONRATE
[MBH]
[GPM with

[GPM with

[GPM with

[GPM with

FS-80 4.7 2.8 2.0 1.6
FS-120 7.2 4.4 3.2 2.4
FS-155 9.2 5.6 4.0 3.1
Figure 88 $(7CURVE&REE3TYLE
Figure 84 #OMPENSATIONCURVES
68
86
104
122
140
158
176
194
-42814202632384450566268
BOILER FLOW TEMPERATURE (°F)
OUTSIDE AIR TEMPERATURE (°F)
OTC CURVES
1
2
3
4
5
6
78910
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.