Carrier 48/50PD05- Manual

Carrier 48/50PD05

Carrier 48/50PD05– Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – SAFETY CONSIDERATIONS; WARNING
  • Page 3 – GENERAL; Table 1 — Rooftop Units; BASIC CONTROL USAGE; Comfort; Link Control; ENTER; ESCAPE; Scrolling Marquee; Operation
  • Page 4 – IMPORTANT; CCN Tables and Display; Table 2 — Scrolling Marquee Mode and Menu Display Structure
  • Page 5 – User Interface; Force Hierarchy; Conventions Used in This Manual; Configuration; Unit Preparation; Compressor Rotation; UNIT DAMAGE HAZARD; CAUTION
  • Page 6 – Power Supply; Condenser Fans and Motors
  • Page 7 – Accessory Installation; Control Set Point and Configuration Log; Space Temperature Sensor Control—Direct Wired
  • Page 8 – Table 3 — Application Specific Configurations; CCN Communication
  • Page 9 – Fan Status; Filter Status
  • Page 10 – Programming Operating Schedules; SERVICE TEST; Independent Outputs; Fan Test
  • Page 11 – THIRD PARTY CONTROL; CONTROLS OPERATION
  • Page 12 – Modes; Unit Configuration
  • Page 13 – General Operating Sequence; Level 1 Priority; Level 3 Priority
  • Page 15 – Outdoor Fan Operation; Table 6 — Fan Level Control of Outdoor Fan; Economizer Operation; Economizer Actuator Communication; Unoccupied Free Cooling
  • Page 16 – Power Exhaust
  • Page 17 – Cooling Modes; Cooling Mode Using Space Temperature Sensor T55,; Cooling Supply Air Set Point
  • Page 18 – Cooling Supply Air Set Point Reset; Cooling Mode with Economizer Using Space
  • Page 19 – Ventilation Mode
  • Page 20 – Heating Modes; Gas Heating Mode Using Space Temperature Sensor
  • Page 22 – Electric Heating Mode Using Space Temperature; Temperature Compensated Start; Setting Up the System
  • Page 23 – Temperature Compensated Start Logic; CCN OAT Broadcast (BROD; Demand Limit
  • Page 24 – Alarm Handling; CCN Alarm Broadcast; TROUBLESHOOTING; Complete Unit Stoppage; Red LED
  • Page 25 – Communication Failures; Viewing and Clearing Unit Alarms
  • Page 28 – Alert Code T415 -- IAQ Input Out of Range; This alert occurs when the IAQ input (on ECB) is less than 3.5 mA; Alert Code T416 -- OAQ Input Out of Range; This alert occurs when the OAQ input (on ECB) is less than 3.5
  • Page 29 – Table 8 —; Link
  • Page 30 – Cooling Troubleshooting; Appendix A) for information on the cooling operation. Check the
  • Page 31 – Table 9 — Cooling Service Analysis; Digital Scroll Controller (DSC) Troubleshooting; All LEDs Flashing at the Same Rate
  • Page 33 – Economizer Troubleshooting; Table 11 — Economizer Service Analysis
  • Page 34 – Phase Reversal Protection; Table 12 — Gas Heating Service Analysis
  • Page 36 – Table 13 — IGC Board LED Alarm Codes; Table 14 — Electric Heat Service Analysis
  • Page 37 – Thermistor Troubleshooting; Air Temperatures; Location; Thermistor/Temperature Sensor Check
  • Page 38 – Sensor Trim; Transducer Troubleshooting
  • Page 39 – Table 15 — Temperature (
  • Page 40 – Table 16 — Temperature (
  • Page 41 – Table 17 — Temperature vs Resistance Values for the DTT Thermistor
  • Page 42 – MAJOR SYSTEM COMPONENTS; General
  • Page 48 – Table 19 — MBB Connections
  • Page 50 – Table 20 — ECB Connections
  • Page 52 – Table 22 — DSC Connections
  • Page 53 – Table 23 — VFD Connections
  • Page 54 – rollout switch, limit switch, and induced-draft motor Hall Effect; Table 24 — IGC Connections
  • Page 55 – Low Voltage Terminal Strip; Network; Table 25 — Field Connection Terminal Strip
  • Page 56 – Scrolling Marquee Display; Accessory Navigator; Display; Interface; Field-Installed Accessories
  • Page 57 – Space Temperature Sensor Averaging
  • Page 59 – SERVICE; ELECTRICAL SHOCK HAZARD
  • Page 60 – must; Cleaning; Coil Maintenance and Cleaning Recommendation
  • Page 61 – UNIT RELIABILITY HAZARD; Totaline Environmentally Sound Coil Cleaner Application; Condensate Drain Pan; Filters; Baffles and Clips
  • Page 62 – Lubrication; Compressors; Indoor Fan Shaft Bearings; Evaporator Fan Service and Replacement; Evaporator Fan Performance Adjustment
  • Page 63 – Condenser-Fan Adjustment
  • Page 64 – Do not; Evacuation; Deep Vacuum Method; Triple Evacuation Method; Refrigerant Charge; UNIT OPERATION AND SAFETY HAZARD; No Charge in the System; To Use the Cooling Charging Chart
  • Page 65 – Table 26 — Altitude Compensation*; Gas Valve Adjustment
  • Page 66 – Main Burner Removal; Filter Drier; Overcurrent
  • Page 67 – Evaporator Fan Motor Protection; Relief Devices; Replacement Parts
  • Page 68 – APPENDIX A - LOCAL DISPLAY AND CCN TABLES; Table 27 — MODE
  • Page 71 – Table 31 — MODE - SET POINTS
  • Page 72 – Table 33 — MODE - OUTPUTS
  • Page 73 – Table 34 — MODE - CONFIGURATION
  • Page 78 – Table 37 — MODE - OPERATING MODES
  • Page 80 – Table 38 — MODE - ALARMS
  • Page 81 – APPENDIX B - VFD INFORMATION; Table 39 — VFD TERMINAL DESIGNATIONS
  • Page 82 – Table 40 — VFD CONFIGURATIONS
  • Page 83 – VFD Operation; Start Up with Assistant; VFD Modes; Standard Display Mode
  • Page 84 – Parameters Mode; Changed Parameters Mode; Upload All Parameters
  • Page 85 – Download Application Parameters; Clock Set Mode; VFD Diagnostics; Correcting Faults
  • Page 86 – To correct alarms, first determine if the Alarm requires any; VFD Maintenance; Heat Sink; The heat sink fins accumulate dust from the cooling air. Since a
  • Page 87 – Table 41 — FAULT CODES
  • Page 91 – Table 44 — Fan Performance - 48PDD05 Vertical Units; Table 45 — Fan Performance - 48PDE05 Vertical Units
  • Page 92 – Table 46 — Fan Performance - 48PDF05 Vertical Units; Table 47 — Fan Performance - 48PDD06 Vertical Units
  • Page 93 – Table 48 — Fan Performance - 48PDE06 Vertical Units; Table 49 — Fan Performance - 48PDF06 Vertical Units
  • Page 94 – Table 50 — Fan Performance - 48PDD05 Horizontal Units; Table 51 — Fan Performance -- 48PDE05 Horizontal Units
  • Page 95 – Table 52 — Fan Performance - 48PDF05 Horizontal Units; Table 53 — Fan Performance - 48PDD06 Horizontal Units
  • Page 96 – Table 54 — Fan Performance - 48PDE06 Horizontal Units; Table 55 — Fan Performance - 48PDF06 Horizontal Units
  • Page 97 – Table 56 — Fan Performance - 50PD05 Vertical Units; Table 57 — Fan Performance -- 50PD06 Vertical Units
  • Page 101 – Cooling; Table 65 — MODE - CONFIGURATION
  • Page 105 – UNIT START-UP CHECKLIST; ELECTRICAL
Loading the manual

48/50PD05,06

Single Package Displacement Ventilation

or Single Zone Variable Airflow Rooftop Units

Electric Cooling/Gas Heating with PURON

R

(R--410A)

Refrigerant and

COMFORT

Link

t

1.x Controls

Controls, Start--Up, Operation, Service and

Troubleshooting Instructions

TABLE OF CONTENTS

Page

SAFETY CONSIDERATIONS

2

. . . . . . . . . . . . . . . . . . . . . . . . .

GENERAL

3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

BASIC CONTROL USAGE

3

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Comfort

Link

t

Control

3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Scrolling Marquee

3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Accessory Navigator Display

3

. . . . . . . . . . . . . . . . . . . . . . . . . .

Operation

3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

System Pilot

t

Device

4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CCN Tables and Display

4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Conventions Used in This Manual

5

. . . . . . . . . . . . . . . . . . . . . .

START--UP

5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Unit Preparation

5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Compressor Mounting

5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Refrigerant Service Ports

5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Crankcase Heater(s)

5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Compressor Rotation

5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power Supply

6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Internal Wiring

6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Evaporator Fan

6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Condenser Fans and Motors

6

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Return--Air Filters

6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Outdoor--Air Inlet Screens

6

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Accessory Installation

7

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Orifice Change (48PD Only)

7

. . . . . . . . . . . . . . . . . . . . . . . . . .

Gas Heat (48PD Only)

7

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CONTROLS QUICK SET--UP

7

. . . . . . . . . . . . . . . . . . . . . . . . .

Control Set Point and Configuration Log

7

. . . . . . . . . . . . . . . .

Standard Unit Control

7

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CCN Communication

8

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Accessories

8

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Programming Operating Schedules

10

. . . . . . . . . . . . . . . . . . . .

SERVICE TEST

10

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Independent Outputs

10

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fan Test

10

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cooling Test

11

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Heating Test

11

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

THIRD PARTY CONTROL

11

. . . . . . . . . . . . . . . . . . . . . . . . . .

Remote Occupancy

11

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fire Shutdown

11

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Alarm Output

11

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Economizer Monitoring

11

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Economizer Damper Control

11

. . . . . . . . . . . . . . . . . . . . . . . . .

CONTROLS OPERATION

11

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Display Configuration

11

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Modes

12

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Unit Configuration

12

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

General Operating Sequence

13

. . . . . . . . . . . . . . . . . . . . . . . . .

Occupancy Determination

13

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Compressor Operation

14

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Indoor Fan Operation

14

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Outdoor Fan Operation

15

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Economizer Operation

15

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Indoor Air Quality (IAQ)

16

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cooling Modes

17

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Heating Modes

20

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Temperature Compensated Start

22

. . . . . . . . . . . . . . . . . . . . . . .

Carrier Comfort Network (CCN)

R

Configuration

23

. . . . . . . . .

Demand Limit

23

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Alarm Handling

24

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TROUBLESHOOTING

24

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Complete Unit Stoppage

24

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Restart Procedure

24

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Control Module Communication

24

. . . . . . . . . . . . . . . . . . . . . .

Communication Failures

25

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Alarms and Alerts

25

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cooling Troubleshooting

30

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Digital Scroll Controller (DSC) Troubleshooting

31

. . . . . . . . . .

Economizer Troubleshooting

33

. . . . . . . . . . . . . . . . . . . . . . . . .

Heating Troubleshooting

34

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Variable Frequency Drive (VFD) Troubleshooting

34

. . . . . . . .

Phase Loss Protection

34

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Thermistor Troubleshooting

37

. . . . . . . . . . . . . . . . . . . . . . . . .

Transducer Troubleshooting

38

. . . . . . . . . . . . . . . . . . . . . . . . .

Forcing Inputs and Outputs

38

. . . . . . . . . . . . . . . . . . . . . . . . . .

MAJOR SYSTEM COMPONENTS

42

. . . . . . . . . . . . . . . . . . . .

General

42

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Main Base Board (MBB)

47

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Economizer Control Board (ECB)

49

. . . . . . . . . . . . . . . . . . . . .

Modulation Board (AUX1)

51

. . . . . . . . . . . . . . . . . . . . . . . . . .

Digital Scroll Control Board (DSC)

52

. . . . . . . . . . . . . . . . . . . .

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Summary

Page 2 - SAFETY CONSIDERATIONS; WARNING

2 Variable Frequency Drive (VFD) 53 . . . . . . . . . . . . . . . . . . . . . . Integrated Gas Control (IGC) Board 54 . . . . . . . . . . . . . . . . . . . Low Voltage Terminal Strip (TB1) 55 . . . . . . . . . . . . . . . . . . . . . Scrolling Marquee Display 56 . . . . . . . . . . . . . . . . . . ....

Page 3 - GENERAL; Table 1 — Rooftop Units; BASIC CONTROL USAGE; Comfort; Link Control; ENTER; ESCAPE; Scrolling Marquee; Operation

3 GENERAL This publication contains Start--Up, Controls, Operation, Service,and Troubleshooting information for the 48/50PD rooftop units. (See Table 1.) These units are equipped with Comfort Link t controls version 1.X or higher and use Puron r refrigerant. The specific base unit installation instr...

Page 4 - IMPORTANT; CCN Tables and Display; Table 2 — Scrolling Marquee Mode and Menu Display Structure

4 down arrow keys to scroll through the top-level categories. Theseare listed in Appendix A and will be indicated on the Scrolling Marquee by the LED next to each mode listed on the face of thedisplay.When a specific mode or sub-mode is located, push the ENTER key to enter the mode. Depending on the...

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