Carrier WeatherExpert 50LC26 Manuals

Manuals and User Guides for Carrier WeatherExpert 50LC26. We have 1 Carrier WeatherExpert 50LC26 manual available for free PDF download: Installation Instructions Manual

Carrier WeatherExpert 50LC26 Installation Instructions Manual (84 pages)

Single Package Rooftop Cooling Only with Puron(R-410A) Refrigerant

Brand: Carrier | Category: Heat Pump | Size: 16.8 MB

Safety Considerations

1
- Table of Contents
  1
Model Number Nomenclature and

2
- Dimensions
  
  2
Rated Indoor Airflow

2
Installation

19
Jobsite Survey

19
Step 1 - Plan for Unit Location

19
- Roof Mount
  19
Step 2 - Plan for Sequence of Unit Installation

19
Step 3 - Inspect Unit

19
Step 4 - Provide Unit Support

19
- Slab Mount (Horizontal Units Only)
  20
- Alternate Unit Support
  20
- Slab Mount)
  20
Step 5 - Field Fabricate Ductwork

24
- Units with Accessory or Optional Electric
  24
- Heaters
  24
Step 6 - Rig and Place Unit

24
- Positioning on Curb
  25
Step 7 - Horizontal Duct Connection

25
Step 8 - Install Outside Air Hood (Factory Option)

25
Step 9 - Assemble Barometric Hood

26
- Barometric Hood (Vertical Configuration)
  26
- Barometric Hood
  27
Step 10 - Economizer - Horizontal Airflow Units

28
Step 11 - Install External Condensate Trap/Line

28
Step 12 - Make Electrical Connections

28
- Field Power Supply
  29
- Units Without Factory-Installed Non-Fused Disconnect or Hacr
  37
- Units with Factory-Installed Non-Fused Disconnect or Hacr
  37
- All Units
  37
- Convenience Outlets
  38
- Hacr Amp Rating
  40
- Factory-Option Thru-Base Electrical
  40
- Connections
  40
- Units Without Thru-Base Electrical
  40
- Connections
  41
- Field Control Wiring
  41
- Thermostat
  41
- Units Without Thru-Base Connection Kit
  41
- Configuring for Electric Heat
  41
- Heat Anticipator Settings
  41
- Transformer Connection for 208-V Power Supply
  41
RTU Open Controller (Factory-Installed Option)

43
Systemvu Controller (Factory-Installed Option)

43
Integrated Staging Control (ISC)

44
- Sequence of Operation
  44
Economi$Er® X (Factory-Installed Option)

46
- Unit Installation
  46
- Enthalpy Sensor Relocation
  46
- W7220 Economizer Controller
  46
- W7220 Economizer Module Wiring
  51
- Economizer Control Configurations
  54
- Economiser Hardware
  57
- Operating Sequences
  58
- W7220 Economizer Setup and Configuration
  60
- Troubleshooting
  61
- Control Setpoint and Configuration Log
  63
Staged Air Volume (SAV™) with Variable Frequency

66
- Drive
  
  66
- Multi-Speed Vfd Display Kit (Field-Installed Accessory)
  66
Smoke Detectors

78
Step 13 - Install Accessories

78
Step 14 - Check Belt Tension

78
- Belt Force: Deflection Method
  78
Pre-Start and Start-Up

79
Start-Up Checklist

83

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Carrier WeatherExpert 50LC26 Manuals

Carrier WeatherExpert 50LC26 Installation Instructions Manual (84 pages)

Table of Contents

Safety Considerations

Model Number Nomenclature and

Dimensions

Rated Indoor Airflow

Installation

Jobsite Survey

Step 1 - Plan for Unit Location

Step 2 - Plan for Sequence of Unit Installation

Step 3 - Inspect Unit

Step 4 - Provide Unit Support

Step 5 - Field Fabricate Ductwork

Step 6 - Rig and Place Unit

Step 7 - Horizontal Duct Connection

Step 8 - Install Outside Air Hood (Factory Option)

Step 9 - Assemble Barometric Hood

Step 10 - Economizer - Horizontal Airflow Units

Step 11 - Install External Condensate Trap/Line

Step 12 - Make Electrical Connections

RTU Open Controller (Factory-Installed Option)

Systemvu Controller (Factory-Installed Option)

Integrated Staging Control (ISC)

Economi$Er® X (Factory-Installed Option)

Staged Air Volume (SAV™) with Variable Frequency

Drive

Smoke Detectors

Step 13 - Install Accessories

Step 14 - Check Belt Tension

Pre-Start and Start-Up

Start-Up Checklist

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