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Honeywell T775U 2000 Series Installation Instructions
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T775U SERIES 2000 CONTROLL
ER
39
62-0255–0
5
38
40
Table of Contents
Controller Configurations
1
Description
1
Product View
1
Differential Pressure Sensors
2
Humidity Sensors
2
Temperature Sensors
2
Universal Sensors
2
Controller Dimensions
3
Controller Mounting
3
Installation
3
Humidity, Pressure, and Universal Sensor(S) Mounting and Location
4
Reset Temperature Control
4
Temperature Sensor Wiring
4
Wiring Connections Access
4
Humidity, Pressure, and Universal Sensor Wiring
5
Multiple Parallel Temperature Sensors
5
Temperature Sensor Wire Type and Size
5
Controller Wiring
7
Description of Wiring Terminal Connections
8
Wiring Application Examples
9
Checkout
10
Humidity, Pressure, and Universal Sensor Calibration
10
Power Loss
10
Temperature Sensor Calibration
10
Home Button
11
Interface Overview
11
Left and Right Arrow Buttons
11
Menu Button
11
Home Screen
12
Program, Schedule, and Summary Menus
12
Setup Menu
12
Up and down Arrow Buttons
12
Programming Overview
13
Setpoint and Differential
13
Setpoint High Limit
13
Setup
13
Entering Setup Mode
14
Number of Sensors
14
Sensor a
14
Setting up the Sensors
14
Type
15
Units
15
Use the and
15
Calibrate
16
Label
16
Min or Max Value
16
Exit Sensor a Setup
17
Sensor B
17
Setting up the Outputs
17
Integral
18
Min out %
18
Setting up the Modulating Outputs
18
TYPE (of Output Signal)
18
Derivative
19
Schedule
19
Exit Modulating Outputs Setup
20
Hide
20
Reset
20
NBR of Relays
21
Options
21
Use Sched
21
DI Options (Digital Input Options)
22
Min off or Min on
22
Exit Options Setup
23
Setting up the Relays
23
Show RT (Show Run Time Hours)
23
EXIT Relay Setup
24
Exiting Setup
24
Reset RT (Run Time)
24
Entering Program Mode
25
Program Menu for Outputs with no Reset
25
Programming Outputs (MOD and Relay) with no Reset
25
Setpoint
25
Sensor
26
Setback
26
Throttling Range or Differential
26
Action
27
Exit Programming Without Reset
27
Program Next Output
27
Determining and Setting the Reset Values
28
Programming Outputs (MOD and Relay) with Reset
28
Setback (Optional) Example
28
Setting up the Controller for Reset
28
Press the the Selected Time Period Menu
29
Program Menus for Outputs with Reset
29
Reset B1 or OUTSD Min
29
SP MAX A1 or Boiler MAX
29
Reset B2 or OUTSD Max
30
SP Min A2 or Boiler Min
30
Setback Offset
31
Exit Programming with Reset
32
Second Modulating Output and Relays
32
Second Modulating Output and Relays Programming
32
Setpoint Offset
32
Creating a Schedule
33
Entering Schedule Mode
33
Scheduling
33
DAYLIGHT (Daylight Saving Time)
34
Set Date
34
Set Time
34
E1 SETPT (Setpoint for Event 1)
35
E2 TIME (Time for Event 2)
35
Setting Individual Schedules
35
E1 TIME (Time for Event 1)
36
E2 SETPOINT (Setpoint for Event 2)
36
EXIT (Exit from Selected Time Period Settings)
36
Exiting Scheduling Mode
36
Diagnostic Messages
37
Specifications
37
Summary Menu
37
Troubleshooting
37
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Honeywell T775U 2000 Series Specifications
General
Brand
Honeywell
Model
T775U 2000 Series
Category
Controller
Language
English
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