69
Part 9 - Controls
M
enu
Sub
-M
enu
Par
amet
er
Description
Value
Default Setting
2 10 5
CH Off Differential Temperature
4 - 36
o
F
11
Determines how much the boiler
outlet temperature can go over
target before turning the burner
off.
4 ZONE 1 PARAMETERS
4
0 ZONE 1 TEMPERATURE SETTINGS
4
0
0
Temperature Day
50 - 86 °F
66
Only applicable when using an
NTI room sensor
4
0
1
Temperature Night
32 - 86 °F
61
4
0
2
Zone Fixed Temperature
86 - 179 °F
179
Parameter 4.2.0 = 1
68 - 122 °F
120
Parameter 4.2.0 = 0
4
0
3
Zone Freeze Protection Temperature
36 - 59 °F
41
Only applicable when using an
NTI room sensor - Changes all
zones
4
1 SUMMER/WINTER CHANGEOVER
4
1
0
S/W function activation
0 = OFF, 1 = ON
0
4
1
1
S/W temperature threshold
50 - 86 °F
68
4
1
2
S/W delay time
0 - 300 minutes
60
4
2 ZONE 1 SETTINGS
4
2
0
Temperature Range
0 = 68 - 122°F (low temperature)
1 = 86 - 179°F (high temperature)
1
4
2
1
Type of Temperature Control
0 = Fixed Outlet Temperature
1 = Basic Temp. Control
2 = Indoor Temp. Reset
3 = Outdoor Temp. Reset
4 = Indoor and Outdoor Temp.
Reset
3
See Table 29 and F. Type of
Temperature Control for details.
4
2
2
Slope of Outdoor Reset Curve
0.2 - 0.8 (when 4.2.0 = 0)
0.6
(low temperature)
0.4 -3.5 (when 4.2.0 = 1)
1.3
(high temperature)
Outlet temperature
Low temperature
High tenperature
Outside temperature
Setpoint of the
room temperature
°C
°C
73
73
70
70 66
66
86
77
50
32
104
122
140
158
176
194
°F
41
50
59
68
77
3.5 3.0
2.5
2.0 1.8
1.5
1.3
0.8
1.0
0.6
0.4
32
23
14
5
-4
-13 °F
0.8
0.6
1.0
0.4
0.2
The greater the slope, the
quicker the target temperature
rises as the outdoor temperature
decreases. Applicable when 4.2.1
= 3 or 4.
See J. Slope of Outdoor Reset
Curve.
Содержание TRX150
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