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WeatherMaster 50HC04
Carrier WeatherMaster 50HC04 Manuals
Manuals and User Guides for Carrier WeatherMaster 50HC04. We have
3
Carrier WeatherMaster 50HC04 manuals available for free PDF download: Service And Maintenance Instructions, Installation Instructions Manual
Carrier WeatherMaster 50HC04 Service And Maintenance Instructions (125 pages)
Single Package Rooftop Electric Cooling Unit with Puron R-410A Refrigerant 3 to 12.5 Nominal Tons Sizes 04-14
Brand:
Carrier
| Category:
Air Conditioner
| Size: 13.08 MB
Table of Contents
Table of Contents
1
Safety Considerations
1
Unit Arrangement and Access
2
Seasonal Maintenance
3
Air Conditioning
3
Economizer or Outside Air Damper
3
Routine Maintenance
3
Supply Fan (Direct- -Drive)
4
ECM Motor
4
Evaluating Motor Speed
4
Supply Fan (Blower) Section
4
Motor “Rocking” on Start-Up
5
Troubleshooting the ECM Motor
5
Supply Fan (Belt-Drive)
5
Motor Test Volts
5
Checking Blower Motor Belt Tension
6
Replacing the Belt
6
Typical Belt Drive Motor Mounting
6
Belt
6
Unit Installation with SAV Option
7
Staged Air Volume Control - - 2 Speed Fan with Variable Frequency Drive (Vfd)
7
Changing the Fan Speed
7
Identifying Factory Option
7
Aligning Blower and Motor Pulleys
7
With Variable Frequency Drive (Vfd)
7
Replacing the Motor
8
Replacing Belt Driven Motor
8
Additional Variable Frequency Drive (Vfd) Installation and Troubleshooting
8
Motor
8
Changing Fan Wheel Speed
9
Remote VFD Keypad Reference
10
SRT Unit VFD Parameters
11
Condenser Coil
12
Condenser Coil Maintenance and Cleaning Recommendation
12
Remove Surface Loaded Fibers
12
Cooling
12
Cleaning the Evaporator Coil
13
Totaline Environmentally Sound Coil Cleaner Application Equipment
13
Totaline Environmentally Sound Coil Cleaner Application Instructions
13
Evaporator Coil
13
Replacing TXV
14
Refrigerant System Pressure Access Ports
14
TXV Valve and Sensing Bulb Location
14
Thermostatic Expansion Valve (Txv)
14
Puronr (R- - 410A) Refrigerant
15
Refrigerant Charge
15
No Charge
15
Low-Charge Cooling
15
Coremax Access Port Assembly
16
Seat
16
Core
16
Cooling Charging Charts
17
Replacing Compressor
21
Compressor Rotation
21
Lubrication
21
Compressor
21
Filter Drier
22
Condenser-Fan Adjustment
22
Troubleshooting Cooling System
22
Cooling Troubleshooting
23
Convenience Outlet Location
24
Weatherproof Cover Installation
24
Convenience Outlets
24
Controller Assembly
25
Powered Convenience Outlet Wiring
25
Smoke Detectors
25
Smoke Detector Sensor
26
Smoke Detector Locations
26
Supply Air
26
Typical Supply Air Smoke Detector Sensor Location
26
Completing Installation of Return Air Smoke Detector
27
Return Air Smoke Detector Sensor with Economizer
27
Return Air Sensor Operating Position
27
FIOP Smoke Detector Wiring and Response
28
Typical Smoke Detector System Wiring
28
Dirty Controller Test
29
Controller Alarm Test
29
Controller Alarm Test Procedure
29
Sensor Alarm Test
29
Sensor and Controller Tests
29
Changing the Dirt Sensor Test
30
Remote Test/Reset Station Dirty Sensor Test
30
Remote Station Test
30
Dirty Sensor Test Procedure
30
Detector Cleaning
31
Alarm State
31
Indicators
31
Normal State
31
Controller’s Trouble LED Is Flashing
32
Sensor’s Trouble LED Is on
32
Controller’s Trouble LED Is on
32
Protective Devices
32
Relief Device
33
Detector Indicators
33
Premierlink Control
33
Rtu- -Open Control System
33
Sensory/Accessory Installation
34
Additional Rtu- -Open Installation and Troubleshooting
34
RTU-Open Control Module
35
Economizer Systems
36
Outdoor Air Temperature (OAT) Sensor
38
Supply Air Temperature (SAT) Sensor
38
Outdoor Air Lockout Sensor
38
Differential Dry Bulb Control
39
Outdoor Dry Bulb Changeover
39
Outdoor Enthalpy Changeover
40
Differential Enthalpy Control
40
Enthalpy Changeover Setpoints
40
Damper Movement
41
Minimum Position Control
41
Indoor Air Quality (IAQ) Sensor Input
41
Exhaust Setpoint Adjustment
41
Thermostats
42
Occupancy Control
42
Demand Control Ventilation (DCV)
42
CO2 Sensor Configuration
42
DCV (Demand Controlled Ventilation) and Power Exhaust
43
To Check DCV and Power Exhaust
43
Single Enthalpy
43
Differential Enthalpy
43
Air Sensor Input
44
Pre- -Start- -Up/Start- -Up
44
Unit Preparation
45
Additional Installation/Inspection
45
Compressor Mounting
45
Start- -Up, General
45
Start- -Up, Premierlink Controls
46
Start- -Up, Rtu- -Open Controls
46
Fastener Torque Values
47
Model Number Nomenclature
48
Appendix I. Model Number Significance 48.
49
Appendix II. Physical Data
49
Appendix III. Fan Performance
52
Speed/Torque Motor
67
Appendix IV Wiring Diagrams
71
50HC*A05/06 Outdoor Circuiting
121
50HC*A07 Outdoor Circuiting
121
50HC*A04 Outdoor Circuiting
121
Appendix V. Motormaster Sensor Locations
121
50HC*A09 Outdoor Circuiting
122
50HC*D14 Outdoor Circuiting
122
50HC*D08 Motormaster Sensor Location - Novation Coils (MCHX)
123
50HC*D12 Motormaster Sensor Location - Novation Coils (MCHX)
123
Preliminary Information
124
Pre-Start-Up
124
Unit Start-Up Checklist
124
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Carrier WeatherMaster 50HC04 Service And Maintenance Instructions (132 pages)
Single Package Rooftop Electric Cooling Unit with Puron (R-410A) Refrigerant
Brand:
Carrier
| Category:
Air Conditioner
| Size: 14.07 MB
Table of Contents
Table of Contents
1
Safety Considerations
2
Unit Arrangement and Access
2
General
2
Routine Maintenance
3
Filters
3
Supply Fan (Blower) Section
4
Supply Fan (Direct-Drive)
4
Supply Fan (Belt-Drive)
6
Staged Air Volume Control - 2 Speed Fan with Variable Frequency Drive (Vfd)
8
Staged Air Volume (SAV™) Indoor Fan Speed
8
System
8
Identifying Factory Option
8
Unit Installation with SAV Option
8
Additional Variable Frequency Drive (Vfd) Installation and Troubleshooting
8
Motor
9
Replacing the Motor
9
Changing Fan Wheel Speed
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
Installing Weatherproof Cover
20
Non-Powered Type
20
Unit-Powered Type
20
Duty Cycle
21
Maintenance
21
Fuse on Powered Type
21
Electric Heaters
21
Completing Heater Installation
22
Smoke Detectors
24
System
24
Controller
24
Smoke Detector Sensor
24
Smoke Detector Locations
25
Completing Installation of Return Air Smoke
25
Detector
25
FIOP Smoke Detector Wiring and Response
26
Sensor and Controller Tests
26
Sensor Alarm Test
26
Controller Alarm Test
26
Dirty Controller Test
27
Dirty Sensor Test
27
Changing the Dirty Sensor Test
27
Remote Station Test
28
SD-TRK4 Remote Alarm Test Procedure
28
Remote Test/Reset Station Dirty Sensor Test
28
Dirty Sensor Test Using an SD-TRK4
28
Detector Cleaning
28
Indicators
28
Troubleshooting
29
Protective Devices
29
Compressor Protection
29
Relief Device
30
Control Circuit, 24-V
30
Premierlink™ Control
30
RTU Open Control System
30
Economizer Systems
30
Economi$Er® IV Standard Sensors
36
Economi$Er IV Control Modes
36
Economi$Er IV Preparation
40
Differential Enthalpy
40
Single Enthalpy
40
DCV (Demand Controlled Ventilation) and Power
40
Exhaust
40
DCV Minimum and Maximum Position
40
Supply-Air Sensor Input
40
Economi$Er IV Troubleshooting Completion
40
Economi$Er X (Factory Option)
41
Pre-Start-Up/Start-Up
55
Start-Up, General
55
Unit Preparation
55
Additional Installation/Inspection
55
Return-Air Filters
55
Outdoor-Air Inlet Screens
55
Compressor Mounting
55
Internal Wiring
56
Refrigerant Service Ports
56
Compressor Rotation
56
Cooling
56
Heating
56
Form 50HC-4-14-02SM Rev. a
130
Replaces: 50HC-4-14-01SM
130
Carrier WeatherMaster 50HC04 Installation Instructions Manual (52 pages)
Single Package Rooftop Cooling Only/Electric Heat Unit with Puron (R-410A) Refrigerant
Brand:
Carrier
| Category:
Air Conditioner
| Size: 8.17 MB
Table of Contents
Table of Contents
1
Safety Considerations
2
Model Number Nomenclature and
2
Dimensions
2
Rated Indoor Airflow
2
Installation
6
Jobsite Survey
6
Step 1 - Plan for Unit Location
6
Roof Mount
6
Step 2 - Plan for Sequence of Unit Installation
6
Curb-Mounted Installation
6
Pad-Mounted Installation
6
Frame-Mounted Installation
6
Step 3 - Inspect Unit
6
Step 4 - Provide Unit Support
6
Alternate Unit Support (in Lieu of Curb or Slab Mount)
8
Step 5 - Field Fabricate Ductwork
8
Units with Accessory or Optional Electric Heaters
8
Step 6 - Rig and Place Unit
8
Positioning on Curb
9
Step 7 - Convert to Horizontal and Connect
9
Ductwork (When Required)
9
Step 8 - Install Outside Air Hood
10
Economizer and Two-Position Damper
10
Economizer and Two-Position Hood
10
Step 9 - Units with Hinged Panels Only
11
Step 10 - Install External Condensate Trap
11
And Line
11
Step 11 - Make Electrical Connections
12
Field Power Supply
12
Units with Factory-Installed Non-Fused Disconnect or Hacr
12
Disconnect or Hacr
13
Units Without Factory-Installed Non-Fused Disconnect or Hacr
14
All Units
14
Convenience Outlets
15
Factory-Option Thru-Base Connections (Electrical Connections)
16
Thermostat
17
Heat Anticipator Settings
18
Electric Heaters
18
Humidi-Mizer ® Control Connections
20
Control and Power Wiring Diagrams
21
Economi$Er ® (Factory Option)
33
Smoke Detectors
45
Comfortlink Control (Factory Option)
46
Premierlink™ Controller (Factory Option)
46
Rtu Open Controller (Factory Option)
46
Controller Options
46
Step 12 - Adjust Factory-Installed Options
46
Step 13 - Install Accessories
47
Step 14 - Check Belt Tension
47
Pre-Start and Start-Up
47
Start-Up Checklist
51
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