Carrier WeatherExpert 48LCM04 Manuals

Manuals and User Guides for Carrier WeatherExpert 48LCM04. We have 1 Carrier WeatherExpert 48LCM04 manual available for free PDF download: Service And Maintenance Instructions

Carrier WeatherExpert 48LCM04 Service And Maintenance Instructions

Carrier WeatherExpert 48LCM04 Service And Maintenance Instructions (76 pages)

Single Package Rooftop Gas Heating/Electric Cooling Unit

Brand: Carrier | Category: Air Conditioner | Size: 6.27 MB

Table of Contents

Table of Contents
1
Safety Considerations
1
Unit Arrangement and Access
3
Routine Maintenance
3
Seasonal Maintenance
3
Supply Fan (Blower) Section
4
Supply Fan (Belt-Drive)
4
Cooling
5
Condenser Coil
5
Condenser Coil Maintenance and Cleaning
5
- Recommendation
  5
Evaporator Coil
7
Refrigerant System Pressure Access Ports
7
Compressor
8
Filter Drier
8
Condenser-Fan Adjustment
8
Troubleshooting Cooling System
8
Puron® (R-410A) Refrigerant
10
Refrigerant Charge
10
Cooling Charging Charts
11
Thermostatic Expansion Valve (Txv)
14
TXV Operation
14
Convenience Outlets
14
Non-Powered Type
14
Unit-Powered Type
14
Smoke Detectors
15
System
15
Controller
15
Sensor
15
Smoke Detector Locations
16
Completing Installation of Return Air Smoke
16
- Sensor
  16
- Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 APPENDIX A - MODEL NUMBER
  17
FIOP Smoke Detector Wiring and Response
17
Sensor and Controller Tests
18
Indicators
20
Resetting Alarm and Trouble Condition Trips
21
Troubleshooting
21
Protective Devices
21
Compressor Protection
21
Supply (Indoor) Fan Motor Protection
21
Relief Device
21
Control Circuit, 24-V
21
Gas Heating System
21
General
21
Fuel Types and Pressures
22
Flue Gas Passageways
23
Combustion-Air Blower
23
Burners and Igniters
24
Burner Ignition
25
Orifice Replacement
26
Minimum Heating Entering Air Temperature
26
Troubleshooting Heating System
26
Pre-Start-Up
32
Start-Up, General
32
Unit Preparation
32
Gas Piping
32
Return-Air Filters
32
Outdoor-Air Inlet Screens
33
Compressor Mounting
33
Internal Wiring
33
Refrigerant Service Ports
33
Compressor Rotation
33
Cooling
33
Main Burners
33
Heating
33
Ventilation (Continuous Fan)
33
Electrical Connections
33
RTU Open Control System
35
Systemvu™ (Factory Option)
35
Economi$Er® X (Factory Option)
35
Vfd Operation with Remote Keypad
46
To Connect the VFD Keypad Using the
46
- Cable
  46
Start up with Assistant
46
Start up by Changing Parameters Individually
47
VFD Modes
47
Fan Speed Relay Board
58
Configuration Jumpers
58
Variable Frequency Drive
58
Fastener Torque Values
60
- Nomenclature
  61
Appendix B - Physical Data
62
Appendix C - Fan Data
63
Appendix D - Wiring Diagrams
71
Start-Up Checklist
75

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