User Manuals: Carrier WeatherMaster 48HC14 Cooling Unit

Manuals and User Guides for Carrier WeatherMaster 48HC14 Cooling Unit. We have 3 Carrier WeatherMaster 48HC14 Cooling Unit manuals available for free PDF download: Service And Maintenance Instructions, Installation Instructions Manual

Carrier WeatherMaster 48HC14 Service And Maintenance Instructions (148 pages)

Single Package Rooftop Gas Heat/Electric Cooling Unit with Puron (R-410A) Refrigerant

Brand: Carrier | Category: Air Conditioner | Size: 14 MB

Table of Contents
1
Safety Considerations
2
Unit Arrangement and Access
3
General
3
Maintenance
3
Routine Maintenance
3
Seasonal Maintenance
3
Return Air Filters
3
Outside Air Hood
4
Economizer Inlet Air Screen
4
Manual Outside Air Hood Screen
4
Supply Fan (Blower) Section
4
Supply Fan (Direct-Drive)
4
Supply Fan (Belt-Drive)
6
Belt
6
Staged Air Volume Control - 2 Speed Fan with Variable Frequency Drive (Vfd)
7
Staged Air Volume (SAV) Indoor Fan Speed
7
System
7
Identifying Factory Option
7
Unit Installation with SAV Option
8
Additional Variable Frequency Drive (Vfd) Installation and Troubleshooting
8
Motor
8
Replacing the Motor
8
Changing Fan Wheel Speed
9
Remote Vfd Keypad Reference
9
Cooling
12
Condenser Coil
12
Condenser Coil Maintenance and Cleaning Recommendation
12
Evaporator Coil
13
Thermostatic Expansion Valve (Txv)
13
TXV Operation
13
Replacing TXV
14
Refrigerant System Pressure Access Ports
14
Puron® (R-410A) Refrigerant
15
Refrigerant Charge
15
Cooling Charging Charts
15
Compressor
18
Lubrication
18
Replacing Compressor
18
Compressor Rotation
18
Filter Drier
18
Condenser-Fan Adjustment
18
Convenience Outlets
20
Smoke Detectors
21
System
21
Controller
21
Smoke Detector Sensor
21
Smoke Detector Locations
22
Completing Installation of Return Air Smoke
23
- Detector
  23
FIOP Smoke Detector Wiring and Response
23
Sensor and Controller Tests
24
Sensor Alarm Test
24
Controller Alarm Test
24
Dirty Controller Test
24
Dirty Sensor Test
25
Dirty Sensor Test Procedure
25
Changing the Dirt Sensor Test
25
Remote Station Test
25
SD-TRK4 Remote Alarm Test Procedure
25
Remote Test/Reset Station Dirty Sensor Test
25
Dirty Sensor Test Using an SD-TRK4
26
Detector Cleaning
26
Indicators
26
Troubleshooting
27
Protective Devices
27
Compressor Protection
27
Relief Device
27
Control Circuit, 24-V
27
Gas Heating System
28
General
28
Fuel Types and Pressures
28
Flue Gas Passageways
29
Combustion-Air Blower
29
Burners and Igniters
31
Removing the Heat Exchanger
32
Burner Ignition
33
Orifice Replacement
33
Troubleshooting Heating System
42
Premierlink™ Control
43
RTU Open Control System
43
Economizer Systems
43
Economi$Er IV Standard Sensors
49
Economi$Er IV Control Modes
49
Economi$Er IV Preparation
53
Differential Enthalpy
53
Single Enthalpy
53
DCV (Demand Controlled Ventilation) and Power
53
- Exhaust
  53
DCV Minimum and Maximum Position
53
Supply-Air Sensor Input
53
Economi$Er IV Troubleshooting Completion
54
Economi$Er X (Factory Option)
54
Start-Up, General
68
Unit Preparation
68
Additional Installation/Inspection
68
Gas Piping
68
Pre-Start-Up/Start-Up
68
Return-Air Filters
69
Outdoor-Air Inlet Screens
69
Compressor Mounting
69
Internal Wiring
69
Refrigerant Service Ports
69
Compressor Rotation
69
Cooling
69
Main Burners
69
Heating
69
Ventilation (Continuous Fan)
70
Start-Up, Premierlink Controls
70
Perform System Check-Out
70
Start-Up, Rtu-Open Controls
70
Fastener Torque Values
70
Appendix A -Model Number Nomenclature
71
Appendix B - Physical Data
72
Appendix C - Fan Performance
78
Appendix D - Wiring Diagrams
94
- Appendix E - Motormaster Sensor
  145
- Locations
  145
Start-Up Checklist
147

Carrier WeatherMaster 48HC14 Installation Instructions Manual (52 pages)

Single Package Rooftop Gas Heat/Electric Cooling Unit with Puron R-410A Refrigerant

Brand: Carrier | Category: Air Conditioner | Size: 11 MB

Safety Considerations

1
- Table of Contents
  1
General

3
Rated Indoor Airflow (Cfm)

3
Installation

7
Jobsite Survey

7
Step 1 - Plan for Unit Location

7
- Roof Mount
  7
Step 2 - Plan for Sequence of Unit Installation

7
Step 3 - Inspect Unit

8
Step 4 - Provide Unit Support

8
Step 5 - Field Fabricate Ductwork

10
Step 6 - Rig and Place Unit

10
- Positioning on Curb
  11
Step 7 - Convert to Horizontal and Connect Ductwork (When Required)

11
Step 8 - Install Outside Air Hood

12
Step 9 - Install Flue Hood

14
Step 10 - Install Gas Piping

14
- Factory Option Thru-Base Connections (Gas Connection)
  15
Step 11 - Install External Condensate Trap and Line

17
Step 12 - Make Electrical Connections

18
- Field Power Supply
  18
- All Units
  19
- Electrical Connections
  19
- Units Without Factory-Installed Non
  20
- Units with Factory-Installed Non-Fused
  20
- Convenience Outlets
  21
- Hacr Circuit Breaker
  21
- Factory Option Thru-Base Connections (Electrical Connections)
  23
- Hacr Circuit Breaker
  23
- Units Without Thru-Base Connections
  24
- Field Control Wiring
  24
- Thermostat
  24
- Unit Without Thru-Base Connection Kit
  24
- Heat Anticipator Settings
  24
Wiring Diagrams

24
Humidi-Mizer® System Control Connections

28
- Humidi-Mizer - Space Rh Controller
  28
Economi$Er X (Factory Option)

30
- System Components
  30
- Specifications
  30
- Inputs
  31
- Outputs
  31
- Environmental
  31
- Economizer Module Wiring Details
  31
- Interface Overview
  32
- Setup and Configuration
  33
- Enthalpy Settings
  41
- Two-Speed Fan Operation
  41
- Checkout
  42
- Troubleshooting
  42
- Outputs
  42
Low Ambient Control (Factory Option)

43
Staged Air Volume (SAV™) with Variable Frequency Drive (Factory Option)

43
Comfortlink Controls (Factory Option)

43
Premierlink™ Controller (Factory Option)

47
RTU Open Controller System

47
Smoke Detectors

47
- Additional Application Data
  47
Step 13 - Adjust Factory-Installed Options

48
- Smoke Detectors
  48
- Economi$Er IV Occupancy Switch
  48
Step 14 - Install Accessories

48
Step 15 - Check Belt Tension

48
- Belt Force - Deflection Method
  48
- Belt Tension Method
  49
Pre-Start and Start-Up

49
Start-Up Checklist

51

Carrier WeatherMaster 48HC14 Installation Instructions Manual (68 pages)

Single Package Rooftop Gas Heat/Electric Cooling Unit with Puron (R-410A) Refrigerant

Brand: Carrier | Category: Fan | Size: 12 MB

Table of Contents
1
Safety Considerations
1
Rated Indoor Airflow (Cfm)
2
Installation
6
Jobsite Survey
6
Step 1 - Plan for Unit Location
6
Step 2 - Plan for Sequence of Unit Installation
6
Step 3 - Inspect Unit
7
Step 4 - Provide Unit Support
7
Step 5 - Field Fabricate Ductwork
9
Step 6 - Rig and Place Unit
9
Step 7 - Convert to Horizontal and Connect
11
- Ductwork
  11
Step 8 - Install Outside Air Hood
11
Step 9 - Install Flue Hood
13
Step 10 - Install Gas Piping
13
Step 11 - Install External Condensate Trap and Line
16
Step 12 - Make Electrical Connections
16
Humidi-Mizer
24
- System Control Connections
  24
Economi$Er
26
- Factory-Installed Option)
  26
Low Ambient Control (Factory Option)
39
Staged Air Volume (SAV) with Variable Frequency
39
- Drive (Factory Option)
  39
- (Factory Option)
  39
Comfortlink Controls (Factory Option)
39
Premierlink Controller (Factory Option)
44
Supply Air Temperature (SAT) Sensor
47
Field Connections
47
Economizer Controls
50
RTU Open Control System
54
Field Connections
58
Communication Wiring - Protocols
60
Local Access
61
Outdoor Air Enthalpy Control
62
Smoke Detectors
63
Step 13 - Adjust Factory-Installed Options
64
Step 14 - Install Accessories
64
Step 15 - Check Belt Tension
64
Pre-Start and Start-Up
65
Start-Up Checklist
67

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User Manuals: Carrier WeatherMaster 48HC14 Cooling Unit

Carrier WeatherMaster 48HC14 Service And Maintenance Instructions (148 pages)

Table of Contents

Carrier WeatherMaster 48HC14 Installation Instructions Manual (52 pages)

Table of Contents

Safety Considerations

General

Rated Indoor Airflow (Cfm)

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 - Convert to Horizontal and Connect Ductwork (When Required)

Step 8 - Install Outside Air Hood

Step 9 - Install Flue Hood

Step 10 - Install Gas Piping

Step 11 - Install External Condensate Trap and Line

Step 12 - Make Electrical Connections

Wiring Diagrams

Humidi-Mizer® System Control Connections

Economi$Er X (Factory Option)

Low Ambient Control (Factory Option)

Staged Air Volume (SAV™) with Variable Frequency Drive (Factory Option)

Comfortlink Controls (Factory Option)

Premierlink™ Controller (Factory Option)

RTU Open Controller System

Smoke Detectors

Step 13 - Adjust Factory-Installed Options

Step 14 - Install Accessories

Step 15 - Check Belt Tension

Pre-Start and Start-Up

Start-Up Checklist

Carrier WeatherMaster 48HC14 Installation Instructions Manual (68 pages)

Table of Contents

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