Manuali utente per Honeywell W7750A

Sommario

• Contents

  1
• List of Figures

  3
• List of Tables

  5
• Introduction

  6
  • Description of Devices

    6
  • Control Application

    7
  • Control Provided

    7
  • Products Covered

    8
  • Organization of Manual

    8
  • Applicable Literature

    8
  • Product Names

    9
  • Agency Listings

    9
  • Abbreviations and Definitions

    10
  • Construction

    11
    • Controllers

      11
      • PERFORMANCE SPECIFICATIONS

        13
      • LonMark® Functional Profile

        17
    • Inputs/Outputs:

      18
      • ANALOG INPUTS:

        18
      • DIGITAL INPUTS:

        19
      • TRIAC OUTPUTS ON THE (W7750B,C MODELS ONLY):

        19
      • DIGITAL OUTPUTS:

        19
    • Wall Modules

      20
    • Duct Sensor

      20
  • Configurations

    22
    • General

      22
    • Allowable Heating and Cooling Equipment Configurations

      24
      • STAGED HEATING/COOLING CONTROL

        24
      • MODULATING HEATING/COOLING CONTROL

        24
      • HEAT PUMP CONTROL

        24
      • ECONOMIZER CONTROL

        25
      • PNEUMATIC ACTUATOR CONTROL

        25
      • MIXED-OUTPUT-TYPE CONTROL

        26
    • Occupancy Sensor

      26
    • Window Open/Closed Digital Input

      26
    • Wall Module Options

      26
    • Dirty Filter Monitor

      27
    • Indoor Air Quality (IAQ) Override

      27
    • Smoke Control

      27
    • Freeze Stat

      27
  • Modes of Operation

    27
• Application Steps

  29
  • Overview

    29
  • Step 1. Plan the System

    29
  • Step 2. Determine Other Bus Devices Required

    29
  • Step 3. Lay Out Communications and Power Wiring

    30
    • LonWorks® Bus Layout

      30
    • Power Wiring

      32
      • POWER BUDGET CALCULATION EXAMPLE

        32
      • LINE LOSS

        33
  • Step 4. Prepare Wiring Diagrams

    35
    • General Considerations

      35
    • W7750 Controllers

      36
      • FACTORY DEFAULT DIGITAL OUTPUTS:

        37
    • LonWorks® Bus Termination Module

      43
  • Step 5. Order Equipment

    45
  • Step 6. Configure Controllers

    48
  • Step 7. Troubleshooting

    48
    • Troubleshooting Excel 10 Controllers and Wall Modules

      48
    • Temperature Sensor and Setpoint Potentiometer Resistance Ranges

      49
    • Alarms

      49
    • Broadcasting the Service Message

      50
    • W7750 Controller Status LED

      50
    • T7770C,D Wall Module Bypass Pushbutton and Override LED

      51
    • T7560A,B Digital Wall Module Bypass Pushbutton and LCD Display Occupancy Symbols

      51
• Appendices

  51
  • Appendix A. Using E-Vision to Commission a W7750 Controller.

    51
    • Sensor Calibration

      51
    • Setting the Pid Parameters

      51
  • Appendix B. Sequences of Operation.

    52
    • Common Operations

      53
      • Room Temperature Sensor (RmTemp)

        54
      • Remote Setpoint (RmtStptPot)

        55
      • Setpoint Limits (LoSetptLim and HiSetptLim)

        55
      • Bypass Mode (StatusOvrd and StatusLed)

        55
      • BYPASSTIME

        55
      • OverrideType

        55
      • OverridePriority

        55
      • Cycles per Hour (ubHeatCph and ubCoolCph)

        55
      • T7770C,D or T7560A,B Wall Module Bypass Pushbutton Operation

        55
      • Standby Mode (StatusOcySen)

        56
      • Continuous Unoccupied Mode

        56
      • Occupancy Mode and Manual Override Arbitration

        56
      • Time Clock (Occ_Time_Clock)

        57
      • Schedule Master (Sched_Master)

        57
      • Setpoint Ramping

        57
      • Recovery Ramping for Heat Pump Systems

        57
      • Fan Operation

        58
      • Window Sensor (StatusWndw)

        58
      • Smoke Control

        58
      • Demand Limit Control (DLC)

        58
      • Dirty Filter Monitor

        59
      • Start-Up

        59
    • Temperature Control Operations

      59
      • Staged Cooling Control

        60
      • Staged Heating Control

        60
      • Cascade Control of Modulating Cooling/Heating

        61
      • Series 60 Modulating Control

        61
      • Pulse Width Modulating (PWM) Control

        61
      • Outdoor Air Lockout of Heating/Cooling

        61
      • Economizer Damper Control

        61
      • Indoor Air Quality (IAQ) Override

        62
      • Freeze Stat

        62
      • Discharge Air Low Limit Control

        62
      • Economizer Enable/Disable Control

        62
  • Appendix C. Complete List of Excel 10 W7750 Controller User Addresses.

    62
    • User Address Indexes (all in alphabetical order)

      63
    • Mappable User Addresses and Table Number

      64
    • Failure Detect User Addresses and Table Number

      65
  • Appendix D. Q7750A Excel 10 Zone Manager Point Estimating Guide.

    109
    • Approximate Memory Size Estimating Procedure.

      109
  • Appendix E. Sensor Data for Calibration.

    110
    • Resistance Sensors.

      110
    • Voltage/Current Sensors.

      112