Carrier MCI J4500 COACH Manuals

Manuals and User Guides for Carrier MCI J4500 COACH. We have 1 Carrier MCI J4500 COACH manual available for free PDF download: Operation & Service Manual

Carrier MCI J4500 COACH Operation & Service Manual

Carrier MCI J4500 COACH Operation & Service Manual (56 pages)

68G5-105 Series;

Brand: Carrier | Category: Air Conditioner | Size: 1 MB

Table of Contents

Service Manual
2
Safety Summary
3
Table of Contents
5
Description
9
- Introduction
  9
- General Description
  10
  - Condenser Assembly
    10
  - Compressor Assembly
    12
  - Evaporator Assemblies
    12
  - Main Control Box
    15
System Operating Controls (Upper Left Hand Switch Panel)
16
Parcel Rack On/Off
16
Air Conditioning Refrigerant Flow Diagram
21
- Electronic Automatic Control Data Flow
  22
Electronic Automatic Control Data Flow Block Diagram
22
Operation
23
- Starting, Stopping and Operating Instructions
  23
  - Operating Controls
    23
  - HVAC Power to Controller
    24
  - Starting
    24
  - Activating Defrost
    25
  - Active Alarm
    25
  - Diagnostics (Parameters)
    25
  - Stopping
    25
- Pre-Trip Inspection
  25
- System Description
  25
  - Pull up and Pull down Modes
    25
Main Controller Automatic Control Sequence
26
- Auxiliary Heater Control
  27
- Bypass Heat Valve Control
  27
- Compressor Unloader Control
  27
- Condenser Fan Speed Control
  27
- Driver's Area Evaporator Fan Speed Selection
  27
- Humidity Control
  27
- Passenger Area Evaporator Fan Speed Selection
  27
- Alarm Description
  28
- Communications (Driver Display - Controller)
  28
- Compressor Clutch Control
  28
- Hour Meters
  28
- Input Processing
  28
- RAM Air Control
  28
- Self Tests
  28
- Staging
  28
- Startup
  28
- Driver Display Panel Alarm Message Definition
  29
- Abnormal Noises or Vibrations
  33
- Abnormal Pressures
  33
- System Runs but Has Insfficient Cooling
  33
- System will Not Cool
  33
- Control System Malfunction
  34
- Expansion Valve Malfunction
  34
- No Evaporator Air Flow or Restricted Air Flow
  34
- No or Insufficient Heating
  34
Troubleshooting
29
Service
35
Electrical Schematic Diagrams
50

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