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WeatherMaster 48HC04 Series
Carrier WeatherMaster 48HC04 Series Manuals
Manuals and User Guides for Carrier WeatherMaster 48HC04 Series. We have
2
Carrier WeatherMaster 48HC04 Series manuals available for free PDF download: Service And Maintenance Instructions, Installation Instructions Manual
Carrier WeatherMaster 48HC04 Series 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: 14.24 MB
Table of Contents
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
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Carrier WeatherMaster 48HC04 Series Installation Instructions Manual (44 pages)
Single Package Rooftop Gas Heating/Electric Cooling Unit with Puron (R-410A) Refrigerant
Brand:
Carrier
| Category:
Air Conditioner
| Size: 7.36 MB
Table of Contents
Safety Considerations
1
Table of Contents
1
Model Number Nomenclature and Dimensions
3
Rated Indoor Airflow
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
Curb-Mounted Installation
7
Pad-Mounted Installation
7
Frame-Mounted Installation
7
Step 3 - Inspect Unit
7
Step 4 - Provide Unit Support
7
Slab Mount (Horizontal Units Only)
9
Alternate Unit Support (in Lieu of Curb or Slab Mount)
9
Step 5 - Field Fabricate Ductwork
9
Step 6 - Rig and Place Unit
9
Positioning on Curb
10
Step 7 - Convert to Horizontal and Connect
10
Ductwork (When Required)
10
Step 8 - Install Outside Air Hood
11
Economizer and Two Position Damper Hood
11
Package Removal and Setup (Factory Option)
11
Economizer and Two-Position Hood
12
Step 9 - Units with Hinged Panels Only
12
Step 10 - Install Flue Hood
12
Step 11 - Install Gas Piping
13
Factory-Option Thru-Base Connections (Gas Connections)
13
Step 12 - Install External Condensate Trap and Line
15
Step 13 - Make Electrical Connections
15
Field Power Supply
15
Units with Factory-Installed Non-Fused Disconnect or Hacr
16
Units Without Factory-Installed Non-Fused Disconnect or Hacr
17
All Units
17
Convenience Outlets
18
Hacr Amp Rating
19
Factory-Option Thru-Base Connections (Electrical Connections)
19
Units Without Thru-Base Connections (Electrical Connections)
20
Field Control Wiring
20
Thermostat
20
Heat Anticipator Settings
21
Humidi-Mizer® Control Connections
21
Low Ambient Control (Factory Option)
23
Integrated Gas Controller
23
Comfortlink (Factory Option)
23
Economi$Er X (Factory Option)
29
System Components
29
Specifications
29
Inputs
29
Outputs
29
Environmental
29
Economizer Module Wiring Details
30
Interface Overview
31
Setup and Configuration
32
Enthalpy Settings
38
Checkout
39
Troubleshooting
39
Premierlink™ (Factory Option)
39
RTU Open Controller (Factory-Installed Option)
39
Smoke Detectors
39
Completing Return Air Smoke Sensor Installation
40
Additional Application Data
40
Step 14 - Adjust Factory-Installed Options
41
Smoke Detectors
41
Economi$Er IV Occupancy Switch
41
Step 15 - Install Accessories
41
Step 16 - Check Belt Tension
41
Belt Force - Deflection Method
41
Belt Tension Method
42
Pre-Start and Start-Up
42
Start-Up Checklist
43
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