Carrier 48HC 04-28 Package Rooftop Units Manuals

Manuals and User Guides for Carrier 48HC 04-28 Package Rooftop Units. We have 2 Carrier 48HC 04-28 Package Rooftop Units manuals available for free PDF download: Controls, Start-Up, Operation And Troubleshooting, Manual

Carrier 48HC 04-28 Controls, Start-Up, Operation And Troubleshooting (144 pages)

Single Package Rooftop Units with ComfortLink Controls Version 3.X and Puron (R-410A) Refrigerant

Brand: Carrier | Category: Air Conditioner | Size: 10 MB

Table of Contents
1
Safety Considerations
3
General
4
Basic Control Usage
4
Comfortlink Control
4
Scrolling Marquee
4
Accessory Navigator™ Display
4
Operation
5
System Pilot™ and Touch Pilot™ Devices
6
CCN Tables and Display
6
Force Hierarchy
6
Generic Status Display Table
6
Conventions Used in this Manual
7
Start-Up
7
Unit Preparation
7
Compressor Mounting
7
Refrigerant Service Ports
7
Crankcase Heater(S)
7
Compressor Rotation
7
Power Supply
7
Internal Wiring
7
Evaporator Fan
7
- Belt Drive Units
  8
- Belt Drive Units with a Vfd
  8
Condenser Fans and Motors
8
Return-Air Filters
8
Outdoor-Air Inlet Screens
8
Accessory Installation
8
Orifice Change (48HC)
8
Gas Heat (48HC)
10
Units with Energyx® System
10
- Base Unit Evaporator Fan
  10
- Start-Up Check List
  10
- Erv Test Mode
  10
- Erv Configuration
  10
- Erv with Economizer Additional Configurations
  11
- Adjusting Erv Options
  11
Controls Quick Set-Up
11
Control Set Point and Configuration Log
11
Thermostat Control
11
Space Temperature Sensor Control - Direct Wired (T-55 or T-56 or T-59)
11
T-58 Communicating Room Sensor
12
CCN Linkage Control
12
System Pilot™ - Communication Space Sensor
12
Thermidistat Control
12
Space Humidistat Control
12
Relative Humidity Sensor Control
12
CCN Communication
12
Accessories
12
- Economizer
  12
- Power Exhaust
  12
- Iaq Sensor
  13
- Oaq Sensor
  13
- Fan Status
  13
- Filter Status
  13
Programming Operating Schedules
13
Service Test
15
Independent Outputs
15
Fan Test
15
Cooling Test
15
Humidi-Mizer® Test
15
Heating Test
16
Third Party Control
16
Cooling/Heating Control
16
Dehumidification Control
16
Remote Occupancy
16
Fire Shutdown
16
Alarm Output
16
Economizer Damper Control
16
Controls Operation
16
Display Configuration
16
Modes
17
General Operation
18
Temperature Setpoint Determination
18
Occupancy Determination
18
- Level 1 Priority
  18
- Level 2 Priority
  18
- Level 3 Priority
  19
- Indoor Fan Operation
  19
- Constant Volume (CV) Units (Ftyp = 1-Speed)
  20
Cooling Operation
20
- Cooling Mode Control
  20
- Staging Control
  21
- Compressor Control
  21
- Outdoor Fan Control
  21
Heating Operation
21
- Heating Mode Control
  22
- Supply-Air Temperature Sensor (Sat)
  22
- Staging Control
  22
- Heat Relay Control
  22
Economizer
23
- Economizer Fault Detection and
  23
- Title 24 Fdd Configuration Points
  24
- Economizer Actuator Communication
  25
- Minimum Ventilation
  25
- Free Cooling
  25
- Thermostat Control
  26
- Space Sensor Control
  26
Air-Side Economizer High Limit Switches Control
26
Indoor Air Quality (IAQ)
27
- Iaq (Analog Input)
  27
- Iaq (Switch Input)
  27
- Outdoor Air Quality (Analog Input)
  28
- Fan Enable (Analog Iaq Sensor)
  28
- Fan Enable (Switch Input)
  28
Optional Humidi-Mizer Dehumidification System
28
- Dehumidification Demand
  28
- Reheat Modes
  29
- Reheat Control
  33
- Reheat Mode Diagnostic Help
  33
Temperature Compensated Start
33
- Setting up the System
  33
- Temperature Compensated Start Logic
  33
Carrier Comfort Network (CCN) Configuration
34
Demand Limit
34
Linkage
35
Alarm Handling
35
- Ccn Alarm Broadcast
  35
- Alarm Relay Output
  35
Energyx® Units
35
- General
  35
- Communication
  36
To 25 Ton Modulating ERV
39
- Occupancy
  40
- Modes of Operation
  40
- Exhaust Control
  41
- Wheel Stop/Jog
  41
- Status Points
  41
Troubleshooting
41
Complete Unit Stoppage
41
Restart Procedure
42
Alarms and Alerts
42
- Viewing and Clearing Unit Alarms
  42
- Diagnostic Alarm Codes and Possible
  42
Red Led
49
- Green Led
  49
- Yellow Led
  49
Control Module Communication
49
Communication Failures
49
Cooling Troubleshooting
50
Humidi-Mizer™ Troubleshooting
51
Economizer Troubleshooting
52
Title 24 FDD Status Points
52
Heating Troubleshooting
54
- Gas Heat (48Hc Units)
  54
- Electric Heat (50Hc Units)
  54
Phase Loss Protection
57
- Phase Reversal Protection
  57
Thermistor Troubleshooting
57
- Air Temperatures
  57
- Refrigerant Temperatures
  58
- Thermistor/Temperature Sensor Check
  58
- Sensor Trim
  58
Transducer Troubleshooting
63
Forcing Inputs and Outputs
63
Troubleshooting Units Equipped with Energyx
66
- System
  66
- Complete Erv Stoppage
  66
- Check Alarms
  66
T418 OAU Filter Dirty
66
- T418 Oau Motor Failure
  66
- T418 Oau Low Cfm
  67
- T418 Oau General Alarm
  67
Check Diagnostic Leds
67
Communication Failures
68
- Comm Failure1 - Upc to Len Fail
  68
- Comm Failure2 - Upc to Excb Fail
  68
On-Board Pressure Transducers
68
Major System Components
68
General
68
Main Base Board (MBB)
77
Economizer Control Board (ECB)
79
Integrated Gas Control (IGC) Board
80
48/50HC 04-14 Units - Low Voltage Terminal Board
81
48/50HC 17-28 Units - Low Voltage Terminal Boards
82
- (TB a and TB B)
  82
Communication Interface Board (CIB)
82
Central Terminal Board (CTB)
82
Scrolling Marquee Display
83
Accessory Navigator™ Display
83
Carrier Comfort Network® (CCN) Interface
84
Protective Devices
84
Field-Installed Accessories
86
- Space Temperature Sensor (T-55)
  86
- Space Temperature Sensor (T-56)
  86
- Space Temperature Sensor (T-58)
  86
- Space Temperature Sensor Averaging
  86
- Carrier Accessory Kits
  86
- Two-Position Damper
  86
- Indoor Air Quality
  86
- Outdoor Air Quality
  86
- Enthalpy Sensors
  88
- Return/Supply Air Temperature Sensor
  88
- Space Humidistat
  88
- Space Humidity Sensor
  88
Units with Energyx System
88
- Energyx Control Board (Excb)
  91
Universal Protocol Converter (UPC)
92
- User Interface
  92
- Enthalpy Wheel
  93
- Modulating Fan
  93
- Modulating Outside Air Damper
  93
Energyx Options and Accessories
93
Energyx Component Lubrication
94
Energyx Wheel Drive Adjustment
94
Energyx Wheel Air Seal Adjustment
94
Wheel and Segment Removal / Installation
94
Wheel Segment Removal / Installation
94
- Whole Wheel Removal / Installation
  95
Outside Air and Exhaust Air Hood Removal
96
- Outside Air Hood Removal
  96
- Exhaust Air Hood Removal
  96
Outside Air Motorized Damper Removal
97
Outside Air and Exhaust Fan Replacement
97
- Outside Air Fan Removal
  97
- Exhaust Fan Removal
  99
Tables
102
Appendix A - Local Display and Ccn
103
Appendic B - Control Modes with Humidi-Mizer System and Economizer
120
Appendic C - Variable Frequency Drive
121
(Vfd)
121
Appendic D - Energyx
136
Performance
136
Energyx® Unit Start-Up Checklist
143

Carrier 48HC 04-28 Manual (104 pages)

Single Package Rooftop Units with ComfortLink Controls Version 1.X and PURON (R-410A) Refrigerant

Brand: Carrier | Category: Air Conditioner | Size: 7 MB

Table of Contents
1
Safety Considerations
2
General
3
Basic Control Usage
3
Start-Up
6
- Unit Preparation
  6
- Compressor Mounting
  6
- Refrigerant Service Ports
  6
- Crankcase Heater(S)
  6
- Compressor Rotation
  6
- Power Supply
  6
- Internal Wiring
  6
- Evaporator Fan
  6
- Condenser Fans and Motors
  7
- Return-Air Filters
  7
- Outdoor- -Air Inlet Screens
  7
- Accessory Installation
  7
- Orifice Change (48HC)
  7
- Gas Heat (48HC)
  8
- Energyx
  8
Controls Quick Set- -Up
9
Service Test
12
- Independent Outputs
  12
- Fan Test
  12
- Cooling Test
  12
- Humidi- -Mizert Test
  12
- Heating Test
  13
Third Party Control
13
- Cooling/Heating Control
  13
- Dehumidification Control
  13
- Remote Occupancy
  13
- Fire Shutdown
  13
- Alarm Output
  13
- Economizer Damper Control
  13
Controls Operation
14
- Display Configuration
  14
- Unit Configuration
  14
- Modes
  14
- General Operation
  15
- Temperature Setpoint Determination
  15
- Occupancy Determination
  16
- Cooling Operation
  18
- Heating Operation
  19
- Economizer
  21
- Indoor Air Quality (IAQ)
  23
- Optional Humidi- -Mizert Dehumidification System
  24
- Energyx
  29
- Temperature Compensated Start
  29
- Carrier Comfort Network (CCN)R Configuration
  30
- Demand Limit
  30
- Linkage
  31
- Alarm Handling
  31
Troubleshooting
31
- Complete Unit Stoppage
  32
- Restart Procedure
  32
- Alarms and Alerts
  32
- Control Module Communication
  39
- Communication Failures
  39
- Cooling Troubleshooting
  40
- Humidi- -Mizert Troubleshooting
  41
- Economizer Troubleshooting
  42
- Heating Troubleshooting
  43
- Phase Loss Protection
  46
- Thermistor Troubleshooting
  46
- Transducer Troubleshooting
  50
- Forcing Inputs and Outputs
  50
Major System Components
53
- General
  53
- Main Base Board (MBB)
  62
- Economizer Control Board (ECB)
  64
- Integrated Gas Control (IGC) Board
  66
- 48/50HC 04- -14 Units
  67
- Low Voltage Terminal Board
  67
- 48/50HC 17- -28 Units
  68
- Low Voltage Terminal Boards (TB a and TB B)
  68
- Communication Interface Board
  68
- Central Terminal Board (CTB)
  68
- Scrolling Marquee Display
  70
- Accessory Navigatort Display
  70
- Carrier Comfort Network (CCN) R Interface
  70
- Energyx
  71
- Protective Devices
  72
- Field-Installed Accessories
  72
Appendix A - Local Display and Ccn Tables
75
APPENDIX B - - CONTROL MODES with Humidi- -Mizert SYSTEM and ECONOMIZER
90
Appendix C - - Variable Frequency Drive
91
(Vfd)
91
Indicate Unit Settings below
98
Control Set Point and Configuration Log
98
Unit Start-Up Checklist
104

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