71
Part 1 - General Safety Information
M
enu
Sub
-M
enu
Par
amet
er
Description
Value
Default Setting
4
2
3
Parallel Shift of Reset Curve
-12 - +12 (when 4.2.0 = 0)
0
See K. Parallel Shift of Reset
Curve.
-25 - +25 (when 4.2.0 = 1)
When the Reset Curve results in a boiler target temperature that is too high or too low
(i.e., heats the building too quickly or slowly), Parallel Shift can be used to offset the
curve up or down to increase or decrease the boiler target temperature.
NOTE:
Adjusting Parallel Shift is only possible when Auto Boost is OFF (4.7.5 = 0).
The Parallel Shift can be adjusted from the home screen using the CH + and - buttons
(Figure 60, Item 8).
With the first press of the CH + or - button, the display shows the current CH target
temperature (e.g., 130
o
F).
After a 3-5 second delay, the display begins flashing the current offset (Parallel Shift)
setting. Subsequent CH + or - button presses adjusts the offset up or down.
After a few seconds the display shows the new CH target temperature (e.g., 138
o
F), then
returns to the home screen.
AUTO
1
4
2
4
Room Sensor Influence
0 - 20
2
if Parameter 4.2.0 = 0
4
if Parameter 4.2.0 = 1
Adjusts the influence of room temperature on target boiler temperature - a higher setting causes a greater increase to the boiler
target temperature as the indoor temperature drops below room setpoint.
Only applicable when using an optional NTI Room
Sensor and when 4.2.1 = 2 or 4.
4
2
5
MAXIMUM Temperature Setting
68 - 179 °F
179
4.2.5 sets the allowable boiler operating temperature range for Zone 1 heating, limiting Automatic Temperature Control and
manual adjustments from the User Menu.
4
2
6
MINIMUM Temperature Setting
68 - 179 °F
95
4.2.6 sets the allowable boiler operating temperature range for Zone 1 heating, limiting Automatic Temperature Control and
manual adjustments from the User Menu.
4
3 ZONE 1 DIAGNOSTICS
4
3
0
Room Temperature
Read only
Only applicable when using an
NTI room sensor
4
3
1
Room Temperature Setpoint
Read only
4
3
4
Heat Call
0 = OFF, 1 = ON (Read only)
4
7 ZONE 1 REGULATION PARAMETERS
4
7
5
Auto Boost
0 = OFF, 1 = ON
0
See L. Auto Boost.
5 ZONE 2 PARAMETERS
5
0 ZONE 2 TEMPERATURE SETTINGS
5
0
0
Temperature Day
50 - 86 °F
66
Only applicable when using an
NTI room sensor
5
0
1
Temperature Night
32 - 86 °F
61
5
0
2
Fixed Temperature
68 - 179 °F
179
Parameter 5.2.0 = 1
68 - 179 °F
120
Parameter 5.2.0 = 0
5
0
3
Zone Freeze Protection Temperature
36 - 59 °F
41
Only applicable when using an
NTI room sensor - Changes all
zones
5
1 SUMMER/WINTER CHANGEOVER
5
1
0
S/W function activation
0 = OFF, 1 = ON
0
5
1
1
S/W temperature threshold
50 - 86 °F
68
5
1
2
S/W delay time
0 - 300 minutes
60
5
2 ZONE 2 SETTINGS
5
2
0
Temperature Range
0 - 1
1
This parameter determines
the starting boiler target
temperature when using Basic
Temp. Control (5.2.1 = 1)
Part 9 - Controls
Содержание FTVN
Страница 98: ...98 Maintenance Notes...
