Hussmann proto-aire User Manuals

Table of Contents

• Installation

  5
  • Overview

    5
  • Shipping Damage

    5
  • Apparent Loss or Damage

    5
  • Concealed Loss or Damage

    5
  • On Site Damage Control

    5
    • PROTOCOL UNIT NOMENCLATURE

      6
      • PROTO-AIRE DESIGNATION

        6
        • The unit nomenclature is part of the UL code requirements an

          6
  • data plate for each unitDimensions and Weights

    6
  • Note: Maximum weight includes sound coating and refrigerant.

    7
  • Field Supplied and Installed Water Components

    7
  • Accessibility

    7
  • Panel Removal

    8
  • Horizontal Units – Top Removal

    9
  • Vibration Pads

    10
• TYPICAL PIPING & ELECTRICAL HOOKUP

  11
  • Vertical Units

    11
  • Horizontal Units

    24
  • Proto_Aire Units

    37
• REFRIGERATION PIPING

  44
  • Overview

    44
  • Refrigeration Line Piping

    44
  • Refrigeration Cycle

    45
  • Protocol™ with 3-Pipe Gas Defrost

    46
  • Protocol™ with Heat Reclaim

    47
  • Protocol™ with Split Suction

    48
  • Oil Cycle

    49
  • Liquid Injection

    50
  • Vapor Injection

    51
  • Field Piping

    52
• Water Loop Piping

  53
  • Overview

    53
  • Water Loop Guidelines

    53
    • Pipe Connections

      53
    • Isolation Valves

      53
    • Strainers

      53
    • Air Vent Valves

      54
    • Tie-Ins to Supply Headers

      54
    • Pipe Supports

      54
    • Exposure to Direct Sunlight

      54
    • Leak Check

      54
    • Cleaning and Flushing

      54
    • Filling

      54
    • Balance Valve Adjustment

      55
  • Presetting The Flow Control (Balancing) Valve

    55
    • Balancing the Water Loop

      56
    • Balancing the Water Loop for Direct Return Piping

      56
    • Balancing the Water Flow for Each Protocol™

      57
    • Balancing the System for Piping Head Loss

      59
    • Presetting the Degree of Closure

      61
• Electrical

  63
  • Field Wiring

    63
  • Main Power Wiring

    69
    • 208V Two Wide Protocol™

      69
    • 208V 5 or 6 Compressor Protocol™

      70
    • 460V Two Wide Protocol™

      71
    • 460V 5 or 6 Compressor Protocol™

      72
    • 460V Two Wide Protocol with Factory installed transformer

      73
    • 460V Two Wide Protocol™ with Field supplied transformer

      74
    • 460V 5 or 6 Compressor Protocol™ with Field supplied transfo

      75
    • 600V Two Wide Protocol™

      76
    • 600V 5 or 6 Compressor Protocol™

      77
    • 600V Two Wide Protocol™ with Field supplied transformer

      78
  • Terminal Connections

    79
  • 120V Circuit Logic

    79
  • 24V Circuits

    79
  • Electronic Oil Level Control

    79
  • Satellite Short Cycle Control Relay

    80
  • Control and Compressor Wiring

    81
    • PCS without Vapor Wiring

      81
    • PCS with Vapor Wiring

      82
    • CPC, Danfoss, Comtrol without Vapor Wiring

      83
    • CPC, Danfoss, Comtrol with Vapor Wiring

      84
  • Controller Wiring

    85
    • PCS

      85
    • CPC

      86
    • CPC Einstein

      87
    • Danfoss

      88
    • Comtrol

      89
  • Liquid Injection

    90
  • Vapor Injection

    90
    • Another method of cooling compressors is to use vapor inject

      90
    • Refrigeration Circuit Control

      92
    • Off time Sequence of Operation

      92
    • Hot Gas

      93
    • Electric Defrost

      93
    • Special Case of Heat Reclaim with Hot Gas Defrost

      94
  • Lighting Control

    95
  • Unit Cooler Fan Wiring

    96
  • Protocol™ Remote Condenser Fan Wiring

    97
  • POWERLINK™ Operation

    101
  • Wiring Optional Auto Dialer and In-Store Alarm

    102
• Startup

  103
  • Startup

    103
  • Electronic Oil Level Control

    107
  • Auxiliary Systems

    108
  • 3-Pipe Gas Defrost

    109
  • Electric Defrost

    109
  • Offtime Defrost

    110
  • Sensor Applications

    110
    • Suction Pressure Sensor

      110
    • Suction Pressure Input

      110
    • Temperature Input

      111
    • All Additional Pressure/Temperature Inputs

      111
  • Programming the Optional In-store Alarm and Auto Dialer

    111
• Troubleshooting Guide

  112
  • Electrical Questions

    113
    • Problem B: Evaporator is not defrosting.

      114
      • Problem D: Temperature Sensor is not reading properly.

        117
  • Trouble Shooting Alarms

    117
  • Service

    119
  • Recommended Maintenance

    120
  • Sample Protocol™ Checklist

    122