Carrier 50HCQA- Installation Manual

Carrier 50HCQA

Carrier 50HCQA– Installation 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; Co
  • Page 3 – GENERAL; Table 1 – Rooftop Units; BASIC CONTROL USAGE; Comfort; Link Control; Comfort; ENTER; ESCAPE; Scrolling Marquee
  • Page 4 – Accessory Navigator Display; Operation; System Pilot
  • Page 5 – Table 2 – Scrolling Marquee Mode and Menu Display Structure; User Interface; Force Hierarchy; level 7. The Navigator writes a Service Force which is level 3.; Generic Status Display Table; displayed in the GENERIC points sub--table under the status; IMPORTANT; : The computer system software (ComfortVIEW
  • Page 6 – CAUTION; NOTE; Belt drive units
  • Page 7 – Condenser Fans and Motors
  • Page 8 – EnergyX
  • Page 9 – Economizer
  • Page 10 – Programming Operating Schedules
  • Page 12 – SERVICE TEST; Independent Outputs; Fan Test; Configuration; Test; Configuration
  • Page 13 – THIRD PARTY CONTROL
  • Page 14 – CONTROLS OPERATION; Display Configuration; Unit Configuration; Temperature Compensated Start Cooling Factor; Modes
  • Page 16 – Occupancy Determination; Level 1 Priority; Level 3 Priority
  • Page 18 – Cooling Operation; Cooling Mode Control
  • Page 19 – Heating Operation; Heating Mode Control; Thermostat Control
  • Page 20 – Staging Control; Heat Relay Control
  • Page 21 – Economizer Actuator Communication; Minimum Ventilation; Economizer Position %
  • Page 22 – Table 6 – LCSP and HCSP Transitions for; Table 7 – Maximum Economizer Limits; Unoccupied Free Cooling
  • Page 23 – VENTILATION FOR PEOPLE
  • Page 24 – Dehumidification
  • Page 29 – Setting Up the System; Temperature Compensated Start Logic
  • Page 30 – CCN OAT Broadcast (BROD; Demand Limit
  • Page 31 – Linkage; Alarm Handling; CCN Alarm Broadcast; TROUBLESHOOTING
  • Page 32 – Viewing and Clearing Unit Alarms
  • Page 37 – Table 9 –; Link Alarm Codes
  • Page 38 – Table 9 —
  • Page 39 – Control Module Communication; Red LED; Communication Failures
  • Page 40 – Cooling Troubleshooting; Appendix A) for information on the cooling operation. Check the; Table 11 – Cooling Service Analysis
  • Page 41 – Troubleshooting; Appendix A) for information on the cooling operation and the; Wiring, operation, and charge are different on a; Table 12 – Humidi-MiZer Service Analysis
  • Page 42 – Economizer Troubleshooting; Table 13 – Economizer Service Analysis
  • Page 43 – Heating Troubleshooting; Appendix A) for information on the heating operation. Check the; Table 14 – Gas Heating Service Analysis
  • Page 45 – Table 15 – IGC Board LED Alarm Codes; Table 16 – Electric Heat Service Analysis
  • Page 46 – Phase Loss Protection; Thermistor Troubleshooting
  • Page 53 – MAJOR SYSTEM COMPONENTS; General; The 48/50HC single package rooftop units contain the
  • Page 62 – jumper that is factory set to ‘1.’; Do not change this setting.
  • Page 66 – rollout switch, limit switch, and induced-draft motor Hall Effect; Table 22 – Integrated Gas Control (IGC) Board Connections
  • Page 67 – has spade connectors. This board provides connection fo the
  • Page 68 – Low Voltage Terminal Boards (TB A and TB B); CCN
  • Page 69 – Table 25 – Central Terminal Board (CTB) Connections
  • Page 70 – Display; Interface
  • Page 71 – pre--condition outside air as it is brought into the rooftop unit. To
  • Page 72 – Protective Devices; Compressor Protection; Overcurrent; Evaporator Fan Motor Protection; EQUIPMENT DAMAGE HAZARD; Field-Installed Accessories; Space Temperature Sensor Averaging
  • Page 75 – APPENDIX A — LOCAL DISPLAY AND CCN TABLES; MODE — RUN STATUS
  • Page 78 – MODE — SERVICE TEST
  • Page 79 – MODE — INPUTS
  • Page 80 – MODE — CONFIGURATION
  • Page 85 – MODE — TIME CLOCK
  • Page 86 – MODE — OPERATING MODES
  • Page 89 – MODE — ALARMS
  • Page 90 – (Thermostat Control Type configuration is ignored)
  • Page 91 – APPENDIX C — VARIABLE FREQUENCY DRIVE (VFD); Connections -- unit shown with front cover removed
  • Page 93 – Table 31 – VFD Motor Default Configurations
  • Page 94 – Table 31 — VFD Motor Default Configurations (cont); enabled, and tie the common bus together. The VFD has 2 LEDs
  • Page 95 – VFD Diagnostics; Correcting Faults; Correcting Alarms
  • Page 98 – CONTROL SET POINT AND CONFIGURATION LOG; SOFTWARE VERSIONS; INDICATE UNIT SETTINGS BELOW; SET POINT
  • Page 103 – UNIT START-UP CHECKLIST; ELECTRICAL
Loading the manual

48/50HC 04 --- 28

Single Package Rooftop Units

with

Comfort

Link Controls Version 2.X

and PURON

r

(R --- 410A) Refrigerant

Controls, Start --- Up, Operation

and Troubleshooting

IMPORTANT: This literature covers 48/50HC 04--28 models with

Comfort

Link Software version 2.x.

TABLE OF CONTENTS

Page

SAFETY CONSIDERATIONS

2

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

GENERAL

3

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

BASIC CONTROL USAGE

3

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

Comfort

Link Control

3

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

Scrolling Marquee

3

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

Accessory Navigator Display

4

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

Operation

4

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

System Pilot

t

and Touch Pilot Devices

4

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

CCN Tables and Display

4

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

Conventions Used in This Manual

6

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

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

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

Control Set Point and Confirmation Log

9

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

Thermostat Control

9

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

Space Temperature Sensor Control -- Direct Wired

(T--55 or T--56 or T--59)

9

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

T--58 Communicating Room Sensor

9

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

CCN Linkage Control

9

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

System Pilot -- Communication Space Sensor

9

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

Thermidistat Control

9

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

Space Humidistat Control

9

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

Relative Humidity Sensor Control

9

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

CCN Communication

9

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

Accessories

9

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

Programming Operating Schedules

10

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

SERVICE TEST

12

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

Independent Outputs

12

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

Fan Test

12

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

Cooling Test

12

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

Humidi--MiZer

t

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--MiZer

t

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

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

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Summary

Page 2 - SAFETY CONSIDERATIONS; WARNING; Co

2 Alarms and Alerts 32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Control Module Communication 39 . . . . . . . . . . . . . . . . . . . . . . Communication Failures 39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cooling Troubleshooting 40 . . . . . . . . . . . . . ...

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

3 FIRE, EXPLOSION HAZARD Failure to follow this warning could result in personal injury, death and/or property damage.Improper installation, adjustment, alteration, service, or maintenance can cause property damage, personal injury, or loss of life. Refer to the User’s Information Manual provided wi...

Page 4 - Accessory Navigator Display; Operation; System Pilot

4 Accessory Navigator Display The accessory hand-held Navigator display can be used with the48/50HC units. (See Fig. 2.) The Navigator display operates the same way as the Scrolling Marquee device. The Navigator display is plugged into the LEN (local equipment network) port on eitherCIB or the J3 po...

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