Carrier 50FC A05 Series Manuals

Manuals and User Guides for Carrier 50FC A05 Series. We have 2 Carrier 50FC A05 Series manuals available for free PDF download: Service And Maintenance Instructions

Carrier 50FC A05 Series Service And Maintenance Instructions (113 pages)

Single Package Rooftop Electric Cooling Unit

Brand: Carrier | Category: Air Conditioner | Size: 14.09 MB

Table of Contents
1
Service and Maintenance Instructions
1
Safety Considerations
2
Unit Arrangement and Access
3
General
3
Routine Maintenance
3
Filters
3
- Manual Outside Air Hood Screen
  4
- Evaluating Motor Speed
  4
Supply Fan (Blower) Section
4
Supply Fan (Direct-Drive)
4
Staged Air Volume
9
- Routine Cleaning of Coil Surfaces
  10
- Periodic Clean Water Rinse
  10
Cooling
10
Condenser Coil Maintenance and Cleaning Recommendation
10
- Condenser Coil Clips
  11
- Separating Coil Sections
  11
- Top Panel Position
  11
Evaporator Coil Metering Devices
12
Thermostatic Expansion Valve (Txv)
12
TXV Operation
12
Replacing TXV
12
- TXV Valve and Sensing Bulb Location
  13
- Access Port Assembly
  13
Refrigerant System Pressure Access Ports
13
Low-Charge Cooling
14
Puron (R-410A) Refrigerant
14
Refrigerant Charge
14
Cooling Charging Charts
14
Lubrication
16
Replacing Compressor
16
Condenser-Fan Assembly — Screw Pattern Sequence
17
Compressor Rotation
17
Filter Drier
17
Condenser-Fan Adjustment
17
Troubleshooting Cooling System
18
Weatherproof Cover Installation
19
Convenience Outlets
19
Installing Weatherproof Cover
19
Non-Powered Type
19
Duty Cycle
20
Maintenance
20
Fuse on Powered Type
20
Electric Heaters
20
Completing Heater Installation
21
System
22
Controller
22
Smoke Detector Sensor
22
Smoke Detector Locations
22
FIOP Smoke Detector Wiring and Response
24
- Sensor Alarm Test Procedure
  25
- Dirty Sensor Test Procedure
  25
Sensor and Controller Tests
25
Sensor Alarm Test
25
Changing the Dirt Sensor Test
25
Remote Station Test
25
SD-TRK4 Remote Alarm Test Procedure
25
Cleaning the Smoke Detector
26
Remote Test/Reset Station Dirty Sensor Test
26
Dirty Sensor Test Using an SD-TRK4
26
Detector Cleaning
26
Indicators
26
Troubleshooting
27
Protective Devices
27
Compressor Protection
27
Relief Device
28
Control Circuit, 24-V
28
Systemvu Control System
28
Systemvu Interface
28
Additional Systemvu Installation and Troubleshooting
28
RTU Open Control Module
29
Rtu Open Control System
29
Sensory/Accessory Installation
29
- Economi$Er IV Component Locations
  30
- Economi$Er2 Component Locations
  30
Additional RTU Open Installation and Troubleshooting
30
Economizer Systems
30
Economi$Er IV (Field-Installed Accessory)
32
- Economi$Er IV Input/Output Logic
  33
- Supply Air Temperature (SAT) Sensor
  33
- Outdoor Air Temperature (OAT) Sensor
  33
- C7660 Temperature Sensor
  33
- Economi$Er IV Control Modes
  34
- Outdoor Dry Bulb Changeover
  34
- Outdoor Enthalpy Changeover
  34
- Differential Enthalpy Control
  34
- Vertical Economizer Barometric Relief Flow
  35
- Horizontal Economizer Barometric Relief Flow
  35
- Economi$Er IV W7212 Control
  35
- Outdoor-Air Damper Leakage
  35
- Indoor Air Quality (IAQ) Sensor Input
  36
- Exhaust Set Point Adjustment
  36
- Minimum Position Control
  36
- Thermostats
  37
- Occupancy Control
  37
- Demand Controlled Ventilation (DCV)
  37
- Sensor Configuration
  37
- DCV Minimum and Maximum Position
  38
- Differential Enthalpy
  38
- Single Enthalpy
  38
- Supply-Air Sensor Input
  38
- System Components
  39
- Economizer Module
  39
- S-Bus Enthalpy Control Sensors
  39
Economi$Er X (Factory Option)
39
- Inputs
  40
- Sensors
  40
- Outputs
  40
- Actuator Signal
  40
- S-Bus Sensor Wiring
  41
- Interface Overview
  41
- User Interface
  41
- S-Bus Sensor DIP Switches
  41
- Time-Out and Screensaver
  42
- Menu Structure
  42
- W7220 Controller Navigation Buttons
  42
- W7220 Menu Structure
  43
- Legend
  47
- Enthalpy Settings
  48
- Single Enthalpy Curve Boundaries
  48
- Single Enthalpy and Dual Enthalpy High Limit Curves
  48
- Economizer Operation - FAN TYPE = 1SPEED
  49
- Standard or Single Speed Fan Operation
  49
- 2 Speed Fan Operation
  50
- Economizer Operation - FAN TYPE = 2SPEED
  50
- Checkout Tests
  51
- Power up
  51
- Initial Menu Display
  51
- Clearing Alarms
  51
Pre-Start-Up/Start-Up
52
Start-Up, General
52
Unit Preparation
52
Additional Installation/Inspection
52
Return-Air Filters
52
Outdoor-Air Inlet Screens
52
Compressor Mounting
52
Internal Wiring
52
Refrigerant Service Ports
52
Compressor Rotation
53
Cooling
53
Heating
53
Ventilation (Continuous Fan)
53
Fastener Torque Values
53
Start-Up, Rtu Open Controls
53
Start-Up, Systemvu Controls
53
Appendix A - Model Number Nomenclature
54
50Fc 3 to 4 Ton Physical Data – Cooling
55
Appendix B - Physical Data
55
- 50Fc 5 to 6 Ton Physical Data – Cooling
  57
- General Fan Performance Notes
  58
Appendix C - Fan Performance
58
Appendix D - Wiring Diagrams
87
- Wiring Diagrams
  91
- Low Ambient Control Sensor Location
  109
Appendix E - Low Ambient Control Sensor
109
Start-Up Checklist
111

Carrier 50FC A05 Series Service And Maintenance Instructions (120 pages)

Single Package Rooftop Electric Cooling Unit with Puron (R-410A) Refrigerant 3 to 6 Nominal Tons

Brand: Carrier | Category: Chiller | Size: 13.79 MB

Table of Contents
1
Safety Considerations
2
Unit Arrangement and Access
3
General
3
Routine Maintenance
3
Filters
3
Supply Fan (Blower) Section
4
Supply Fan (Direct-Drive)
4
Staged Air Volume
10
Cooling
10
Condenser Coil
10
Condenser Coil Maintenance and Cleaning
10
Recommendation
10
Evaporator Coil
12
Evaporator Coil Metering Devices
12
Thermostatic Expansion Valve (Txv)
13
TXV Operation
13
Replacing TXV
13
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
19
Filter Drier
19
Condenser-Fan Adjustment
19
Troubleshooting Cooling System
20
Convenience Outlets
21
Installing Weatherproof Cover
21
Non-Powered Type
21
Unit-Powered Type
21
Duty Cycle
22
Maintenance
22
Fuse on Powered Type
22
Electric Heaters
22
Completing Heater Installation
23
Smoke Detectors
24
System
24
Controller
24
Smoke Detector Sensor
24
Smoke Detector Locations
24
Completing Installation of Return Air Smoke
25
Detector
25
FIOP Smoke Detector Wiring and Response
26
Sensor and Controller Tests
27
Sensor Alarm Test
27
Controller Alarm Test
27
Dirty Controller Test
27
Dirty Sensor Test
27
Changing the Dirt Sensor Test
27
Remote Station Test
27
SD-TRK4 Remote Alarm Test Procedure
27
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
Systemvu Control System
30
Systemvu Interface
30
Additional Systemvu Installation and Troubleshooting
30
Rtu Open Control System
31
Sensory/Accessory Installation
31
Additional RTU Open Installation and Troubleshooting
32
Economizer Systems
32
Economi$Er 2
33
Economi$Er IV (Field-Installed Accessory)
34
Economi$Er X (Factory Option)
41
Pre-Start-Up/Start-Up
54
Start-Up, General
54
Unit Preparation
54
Additional Installation/Inspection
54
Return-Air Filters
54
Outdoor-Air Inlet Screens
54
Compressor Mounting
54
Internal Wiring
54
Refrigerant Service Ports
54
Compressor Rotation
55
Cooling
55
Heating
55
Ventilation (Continuous Fan)
55
Fastener Torque Values
55
Start-Up, Rtu Open Controls
55
Start-Up, Systemvu Controls
55
Appendix A - Model Number Nomenclature
56
Appendix B - Physical Data
57
Appendix C - Fan Performance
64
Replaces: 50FC-4-7-01SM
118

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Carrier 50FC A05 Series Manuals

Carrier 50FC A05 Series Service And Maintenance Instructions (113 pages)

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Carrier 50FC A05 Series Service And Maintenance Instructions (120 pages)

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