Carrier WeatherExpert 50LC Manuals

Manuals and User Guides for Carrier WeatherExpert 50LC. We have 2 Carrier WeatherExpert 50LC manuals available for free PDF download: Installation Instructions Manual

Carrier WeatherExpert 50LC Installation Instructions Manual (64 pages)

Single Package Rooftop Cooling Only with Puronr (R ---410A) Refrigerant Size: 07

Brand: Carrier | Category: Air Conditioner | Size: 7.54 MB

Table of Contents
1
Theinstallation.

2
Safety Considerations

2
- Rated Indoor Airflow (Cfm)
  3
Installation

6
Integrated Staging Control (ISC) Board

26
- ISC Board - Sequence of Operation
  26
  - General
    26
  - Ventilation
    26
  - Cooling
    27
  - Humidi- - Mizer System (Optional)
    27
  - Economizer (Optional)
    27
  - Low Ambient Cooling Operation down to 40_F (4_C)
    28
  - Heating
    28
Economi$Er R X (Factory- -Installed Option)

28
- Unit Installation
  28
- Enthalpy Sensor Relocation
  28
- W7220 Economizer Controller
  28
  - User Interface
    29
  - Keypad
    29
- Menu Structure
  29
- Connections and Applications
  34
  - W7220 Economizer Module Wiring
    34
- Economizer Control Configurations
  35
  - Enthalpy Changeover Control
    35
  - Enthalpy Settings
    35
    
    Demand Controlled Ventilation
    37
    
    Economizer Occupancy Control
    38
  - Hardware
    39
    
    Actuators
    39
    
    Supply Air Temperature Sensor
    39
    
    Outside Air Temperature Sensor
    39
    
    Enthalpy Control Sensor Configuration
    39
  - Operating Sequences
    40
    
    Staged Air Volume (3- - Speed) Fan Motor
    40
    
    W7220 Economizer Control
    40
    
    Base Unit Controls
    40
    
    Cooling, Unit with Economi$Er R X Without CO 2 Sensor
    40
    
    Heating with Economi$Er
    42
    
    Demand Controlled Ventilation
    43
  - Setup and Configuration
    43
    
    Initial Menu Display
    43
    
    Time- - out and Screensaver
    43
  - Checkout
    43
    
    Status
    44
    
    Calibration of Sensors
    44
    
    Resetting All Defaults
    44
  - Troubleshooting
    44
    
    Power up Delay
    44
    
    Power Loss (Outage or Brownout)
    44
    
    Alarms
    44
    
    Clearing Alarms
    44
  - Control Set Point and Configuration Log
    46
- Staged Air Volume (Savt) with Variable Frequency Drive
  48
- Multi- -Speed VFD Display Kit (Field- -Installed Accessory)
  49
- Step 11 - Adjust Factory- -Installed Options
  61
- Step 12 - Install Accessories
  61
- Step 13 - Check Belt Tension
  61
Unit Start up Checklist

63

Carrier WeatherExpert 50LC Installation Instructions Manual (65 pages)

Single Package Rooftop Cooling Only R-410A Refrigerant

Brand: Carrier | Category: Air Conditioner | Size: 14.1 MB

Electrical Shock Hazard
2
Installation
8
Roof Mount
8
Curb-Mounted Installation
9
Pad-Mounted Installation
9
Frame-Mounted Installation
9
Slab Mount (Horizontal Units Only)
9
Alternate Unit Support (in Lieu of Curb or Slab Mount)
9
For Units with Accessory or Optional Elec- Tric Heaters
11
Positioning on Curb
12
Economizer Hood Removal and Setup - Fac- Tory Option
13
Economizer Hood Assembly
14
Electric Shock Hazard
15
Field Power Supply
15
Fire Hazard
24
All Units
24
Units Without Factory-Installed Non-Fused Disconnect or Hacr
24
Units with Factory-Installed Non-Fused Dis- Connect or Hacr
25
Convenience Outlets
26
Factory-Option Thru-Base Connections
28
Units Without Thru-Base Connections
28
Field Control Wiring
28
Heat Anticipator Settings
29
Unit Without Thru-Base Connection Kit
29
Heater and Supplementary Fuses
30
Heater Low-Voltage Control Connections
30
Humidi-Mizer System - Space Rh Controller
30
Isc Board - Sequence of Operation
33
Specifications
35
Interface Overview
37
Setup and Configuration
38
Enthalpy Settings
46
Two-Speed Fan Operation
46
Troubleshooting
47
Alphanumeric Display
49
Program the Vfd for 3 Discrete Indoor Fan Speeds
50
Additional Application Data
59
Completing Installation of Return Air
59
Smoke Sensor
59
Smoke Detectors
60
Belt Force - Deflection Method
60
Belt Tension Method
60
Preliminary Information
63
Pre-Start-Up
63
Humidi-Mizer
64

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Carrier WeatherExpert 50LC Manuals

Carrier WeatherExpert 50LC Installation Instructions Manual (64 pages)

Table of Contents

Theinstallation.

Safety Considerations

Installation

Integrated Staging Control (ISC) Board

Economi$Er R X (Factory- -Installed Option)

Unit Start up Checklist

Carrier WeatherExpert 50LC Installation Instructions Manual (65 pages)

Table of Contents

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