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3. PROGRAMMING OUTPUTS (MOD AND RELAY) WITH RESET
°F
220
SP MAX A1
210
(BOILER MAX)
S
200
E
N
190
S
O
180
R
A
170
160
SP MIN A2
(BOILER MIN)
150
140
20
10
RESET B1
(OUTSD MIN)
Fig. 65. Reset Curve for MOD 1 with Setback Offset.
MOD 1 RESET:
YES-OTHER AND
DI OPTION = SETBACK
MENU
PROGRAM
PROGRAM
MOD 1
MOD 1
SP MAX A1
RESET B1
SP MIN A2
RESET B2
THROT RNG
ACTION
SETBACK
EXIT
Fig. 66. Setpoint Values for Reset and Setback.
PROGRAM
MOD 1
SP MAX A1
Fig. 67. Program - Sensor A Max. Setpoint.
PROGRAM
MOD 1
RESET B1
Fig. 68. Program -Sensor B Max. Setpoint.
All manuals and user guides at all-guides.com
SETBACK
OFFSET
-10°F
70
30
40
50
60
80
°F
RESET B2
(OUTSD MAX)
SENSOR B
M24570
MOD 1 RESET:
YES-BOILER AND
DI OPTION = SETBACK
MENU
PROGRAM
MOD 1
OR
BOILR MAX
OUTSD MIN
BOILR MIN
OUTSD MAX
THROT RNG
ACTION
SETBACK
EXIT
M24571
MENU
PROGRAM
MOD 1
SP MAX A1
210
o
F
ENTER
MAXIMUM
SETPOINT FOR
SENSOR A
M24572
MENU
PROGRAM
MOD 1
RESET B1
20
o
F
ENTER
SENSOR B VALUE
FOR MAXIMUM
SETPOINT
M24573
T775U SERIES 2000 CONTROLLER
NOTE: For MOD 2 and the Relays, a setpoint offset is
used. See "3.3.1. SETPOINT OFFSET (MOD 2
only)" on page 32.
The remainder of this section beginning with "3.2.
Program Menus for Outputs with Reset" on page 29
describes the individual parameters for configuring
outputs with Reset.
For your reference, the following Reset programming
procedure uses the values in Fig. 65 above.
3.2. Program Menus for Outputs with Reset
Press the MENU button, select PROGRAM, then highlight
MOD 1 and press the
button to view the parameters.
The Reset curve settings (Fig. 67 through Fig. 70) are
programmed for the first output (MOD 1) and these
settings apply to all outputs that are configured for Reset.
See Fig. 65 for the reset curve values used in the
following section.
NOTE: The Setback parameter displays only if schedul-
ing is enabled (see Fig. 47 on page 21) or the DI
Option is set to Setback (see Fig. 49 on
page 22).
3.2.1. SP MAX A1 or BOILER MAX
(Setpoint maximum for Sensor A)
1. From the menu, use the
light BOILER MAX or SP MAX A1.
2. Press the
button to display the maximum setpoint
value.
3. Use the
and
buttons to increase/decrease the
desired maximum setpoint temperature.
Default: 180°F (82°C)
Range: -40°F to 248°F (-40°C to 120°C)
4. Press the
button to accept the setpoint tempera-
ture and display the next option.
3.2.2. RESET B1 or OUTSD MIN
(Sensor B value when at SP MAX A1 Setpoint)
1. From the menu, use the
light RESET B1 or OUTSD MIN.
2. Press the
button to display the setpoint value.
3. Use the
and
buttons to increase/decrease the
desired setpoint temperature.
Default: 10°F (-12°C)
Range: -40°F to 248°F (-40°C to 120°C)
4. Press the
button to accept the value and display
the next option.
29
and
buttons to high-
and
buttons to high-
62-0255–05
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