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109
Central Heat
Setpoint
Heating Element Type
Central Heat
Setpoint
Heating Element Type
180 to 190°F
Fan Coil
100 to 140°F
In Slab Radiant High
Mass Radiant
160 to 190°F
Convection
Baseboard
Fin Tube
Convective
130 to 160°F
Staple-up Radiant
Low Mass Radiant
130 to 160°F
Radiant
Baseboard
140 to 160°F
Radiators
Figure 57: Outdoor reset Curve
Outdoor Air Temperature
-20
10
5
-15 -10 -5
0
110
45
40
20 25 30 35
55 60 65
70
15
50
145
115
150
120
140
135
130
125
155
190
160
195
165
185
180
175
170
200
Boost Maximum Off Point
=
Central Heat Setpoint
minus Diff Above
Low Boiler Water Temp
Default =
110 F
High Outside Air Temp
Default =
70 F
10 F
H
ot
W
at
er
S
et
po
in
t
Minimum Water Temperature
Default =
130 F
TOD Setback Setpoint
Default =
170 F
Central Heat Setpoint
Low Outside Air Temp
=
180 F & 0 F
Default Outdoor air reset Setpoint
(Shown Bold)
Default Boost Outdoor Air Reset Setpoint
(Shown with thin lines
,
typical)
(Reset setpoint increased by
10
F every
20 minutes that demand is not satisfied.
Boost Time is field selectable
between
0 to 30 minutes
)
75
X. Operation
G. Changing Adjustable Parameters (continued)
Содержание ALP080B
Страница 72: ...72 103448 02 6 13 VIII Electrical continued ...
Страница 73: ...103448 02 6 13 73 VIII Electrical continued Figure 43 Wiring Connections Diagram ...
Страница 75: ...103448 02 6 13 75 VIII Electrical continued Figure 44 Ladder Diagram ...
Страница 136: ...136 103448 02 6 13 U S Boiler Company Inc P O Box 3020 Lancaster PA 17604 1 888 432 8887 www usboiler net ...