Honeywell T775U manuals

Honeywell T775U Installation Instructions

40 pages2.26 Mb

INSTALLATION INSTRUCTIONS
- 62-0255-07
T775U Series 2000 Electronic Stand-Alone Controller
- PRODUCT DESCRIPTION
  - 2Temperature Sensorsa (Sensor A or B)
  - Differential Pressure Sensors
  - Humidity Sensors
  - CO2 Sensors
  - Universal Sensors
    - Actuators
  - Accessories
  - Product Changes
  - Controller Dimensions
- 3BEFORE INSTALLATION
  - When Installing This Product
- INSTALLATION AND SETUP
- MOUNTING
  - Controller Mounting
  - Humidity, Pressure, and Universal Sensor(s) Mounting and Location
  - Temperature Sensor(s) Mounting and Location
- 4WIRING
  - Wiring Connections Access
  - Temperature Sensor Wiring
    - Reset Temperature Control
    - Multiple Parallel Temperature Sensors
    - Temperature Sensor Wire Type and Size
  - 5Humidity, Pressure, and Universal Sensor Wiring
    - T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER
      - C
      - S
        62-025507 6
    - VS
    - S C
    - 6+
  - Controller Wiring
- 7WARNING
  - Controller Wiring Method
    - W
  - 8Controller Wiring Details
    - T775U SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLER
      - 9 62-025507
  - 9WIRING APPLICATION EXAMPLES
    - +
    - Fig. 12. Wiring for Two-stage Control 24 Vac Input and 24 Vac Load.
    - Fig. 13. Wiring for mod motor or direct coupled actuator with 4 to 20 mA control input.
    - Fig. 14. Wiring for Two-stage Control with 120 or 240 Vac (120 Vac Input and 120 Vac Load).
    - Fig. 15. Wiring for Digital Input (dry contact).
    - Fig. 16. Wiring for mod motor or direct coupled actuator with 0-10 Vdc control input.
  - CHECKOUT
- 10WARNING
  - Power Loss
  - Humidity, Pressure, and Universal Sensor Calibration
  - Temperature Sensor Calibration
  - 11INTERFACE OVERVIEW
    - Using the LCD Panel Interface
      - Home Button
      - Menu Button
      - Left and Right Arrow Buttons (W and X)
        MOD1 40% MOD2 60% DI ON
        HOME RELAYS 1 2 ON
        SENSOR A
        SENSOR B
      - Up and Down Arrow Buttons (S and T)
    - 12Home Screen
    - Accessing the Menus
      - Program, Schedule, and Summary Menus
      - Setup Menu
    - Using the Menus
  - 13PROGRAMMING OVERVIEW
    - Setpoint and Differential
    - Setpoint High Limit
    - Programming the T775U Controller
  - 1. SETUP
    - 14Setup Procedure
      - 1.1. Entering Setup Mode
      - 1.2. Setting up the Sensors
      - 1.2.1. Number of SENSORS
      - 1.2.2. SENSOR A
      - 151.2.2.1. TYPE
      - 1.2.2.2.1. UNITS
        [1097 PTC)]
      - 1.2.2.2.2. UNITS
        4-20mA)
      - 1.2.2.2.3. MIN or MAX VALUE
      - 160.0
        1.2.2.3. CALIBRATE
        0.0
      - 0.0
        1.2.2.4. LABEL
        171.2.2.5. Exit Sensor A Setup
        1.2.3. SENSOR B (Temperature only)
        1.3. Setting up the Outputs
        181.3.1. Setting up the Modulating Outputs
        1.3.1.1. TYPE (of output signal)
        1.3.1.2. MIN OUT %
        1.3.1.3. INTEGRAL
        191.3.1.4. DERIVATIVE
        1.3.1.5. SCHEDULE
        201.3.1.6. RESET
        1.3.1.7. Hide
        1.3.1.7. Exit Modulating Outputs Setup
        211.3.2. NBR OF RELAYS
        1.3.3. OPTIONS
        1.3.3.1. USE SCHED
        1.3.3.2. MIN OFF or MIN ON
      - 220
        1.3.3.3. DI OPTIONS (digital input options)
      - 0
        231.3.3.4. SHOW RT (show run time hours)
        1.3.3.5. Exit Options Setup
        1.3.4. Setting up the Relays
        1.3.4.1. SCHEDULE
        241.3.4.2. RESET
        1.3.4.3. RESET RT (run time)
        1.3.4.4. EXIT Relay Setup
        1.4. Exiting Setup
  - 252. PROGRAMMING OUTPUTS (MOD AND RELAY) WITH NO RESET
    - 2.1. Entering Program Mode
    - 2.1.1. Program Menu for Outputs with No Reset
    - 2.1.2. SETPOINT
    - 262.1.3. SETBACK
    - 2.1.3. SENSOR
    - 2.1.5. THROTTLING RANGE or DIFFERENTIAL
    - 272.1.6. ACTION
    - 2.2. Program Next Output
      - Output or Relay)
    - 1.3. Exit Programming without Reset
  - 283. PROGRAMMING OUTPUTS (MOD AND RELAY) WITH RESET
    - 3.1. Setting Up the Controller for Reset
    - Determining and Setting the Reset Value s
      - Reset Example:
      - Setback (optional) Example:
      - 293.2. Program Menus for Outputs with Reset
      - 3.2.1. SP MAX A1 or BOILER MAX
      - 3.2.2. RESET B1 or OUTSD MIN
      - 303.2.3. SP MIN A2 or BOILER MIN
      - 3.2.4. RESET B2 or OUTSD MAX
      - 3.2.5. THROTTLING RANGE or DIFFERENTIAL
      - 3.2.6. ACTION
      - 31-10
        3.2.7. SETBACK OFFSET
        3.3. Second Modulating Output and Relays
      - 32-10
        210
        160
        20 30 40 50 60 70 F80
        3.3.1. SETPOINT OFFSET (MOD 2 only)
        3.3.2. Second Modulating Output and Relays Programming
        3.4. Exit Programming with Reset
  - 334. SCHEDULING
    - Creating a Schedule
      - 4.1. Entering Schedule Mode
      - 4.2. OPTIONS
      - 344.2.1. SET TIME
      - 4.2.2. SET DATE
      - 4.2.3. DAYLIGHT (daylight saving time)
      - 354.3. Setting Individual Schedules
      - 4.3.1. E1 SETPT (setpoint for event 1)
      - 364.3.2. E1 TIME (time for event 1)
      - 4.3.3. E2 SETPOINT (setpoint for event 2)
      - 4.3.4. E2 TIME (time for event 2)
      - 4.3.5. EXIT (exit from selected time period settings)
      - 4.4. Exiting Scheduling Mode
  - 37SUMMARY MENU
  - TROUBLESHOOTING
    - Power Loss
    - Errors and Diagnostics
      - Error Message
        EE
      - Diagnostic Messages
        
        -60F or 270F (-51C or 132C) Blinking
        Blinking relay status
  - SPECIFICATIONS
  - 38DoC
    - Emissions Compliance
    - Immunity Compliance
    - Safety Compliance
    - FCC Compliance Statement: