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Honeywell T775L Series Installation Instructions Manual page 26

Electronic stand-alone staging controller

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T775L SERIES 2000 ELECTRONIC STAND-ALONE STAGING CONTROLLER
°F
220
SP MAX A1
210
(BOILER MAX)
200
S
E
190
N
S
180
O
R
170
A
SP MIN A2
160
(BOILER MIN)
150
140
10
(OUTSD MIN)
Fig. 60. Reset Curve for Loop 1 with Setback Offset.
MENU
PROGRAM
Fig. 61. Program Menu.
LOOP RESET:
YES-OTHER AND
DI OPTION = SETBACK
PROGRAM
PROGRAM
LOOP 1
SP MAX A1
RESET B1
SP MIN A2
RESET B2
THROT RNG
HEAT/COOL
SETBACK
EXIT
Fig. 62. Setpoint Values for Reset and Setback.
62-0257—11
SETBACK
OFFSET
-10°F
20
70
30
40
50
60
RESET
RESET
B1
B2
(OUTSD MAX)
SENSOR B
MENU
PROGRAM
LOOP 1
LOOP 2
RELAY 9
RELAY 10
EXIT
LOOP RESET:
YES-BOILER AND
DI OPTION = SETBACK
MENU
MENU
PROGRAM
LOOP 1
LOOP 1
OR
BOILR MAX
OUTSD MIN
BOILR MIN
OUTSD MAX
THROT RNG
HEAT/COOL
SETBACK
EXIT
The remainder of this section beginning with "3.2.
Entering Program Mode" describes the individual
parameters for configuring outputs with Reset.
For your reference, the following Reset programming
procedure uses the values in Fig. 60.
80
°F
M24404
3.2. Entering Program Mode
Press the MENU button, then select PROGRAM and
press the  button to view the Program menu.
M24401
3.3. Program Menus for Loops with
Reset
Press the MENU button, select PROGRAM, then select
Loop 1 and press the  button to view the parameters.
Fig. 62 shows both of the Loop 1 menus. Your menu is the
one chosen in Fig. 59 on page 25
The Reset settings "3.3.1. SP MAX A1 or BOILER MAX
(Setpoint maximum for Sensor A)" through "3.3.4. RESET
B2 or OUTSD MAX (Sensor B value when at MIN A2
Setpoint)" are programmed for the first loop and these
settings apply to all outputs that are configured for Reset.
See Fig. 60 on page 26 for the reset curve values used in
the following section.
M24405
NOTE: The Setback parameter displays only if schedul-
ing is enabled (see Fig. 31 on page 15) or the DI
Option is set to Setback. (see Fig. 33 on
page 16).
26

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2000 seriesT775l2007