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Carrier 50HCQA manuals

Owner’s manuals and user’s guides for Heat pumps Carrier 50HCQA.
We providing 3 pdf manuals Carrier 50HCQA for download free by document types: Installation Manual, Instruction Manual


Carrier 50HCQA Installation Manual (104 pages)


Brand: Carrier | Category: Heat pumps | Size: 6.68 MB |

 

Table of contents

48/50HC 04---28

1

Single Package Rooftop Units

1

SAFETY CONSIDERATIONS

2

BASIC CONTROL USAGE

3

Accessory Navigator Display

4

Operation

4

CCN Tables and Display

4

Force Hierarchy

5

Generic Status Display Table

5

START-UP

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

Economizer

9

SERVICE TEST

12

THIRD PARTY CONTROL

13

CONTROLS OPERATION

14

General Operation

15

Occupancy Determination

16

Cooling Mode Control

18

Staging Control

18

Compressor Control

19

Outdoor Fan Control

19

Heating Mode Control

19

Heat Relay Control

20

Economizer Position %

21

Fan Speed %

21

Free Cooling

22

Thermostat Control

22

Space Sensor Control

22

Unoccupied Free Cooling

22

Power Exhaust (CV units)

22

Power Exhaust (SAVt units)

23

IAQ (Analog Input)

23

IAQ (Switch Input)

24

Fan Enable (Switch Input)

24

Dehumidification Demand

25

Reheat Modes

25

Temperature Compensated Start

29

Carrier Comfort Network (CCN)

30

Configuration

30

Demand Limit

30

TROUBLESHOOTING

31

Complete Unit Stoppage

32

Restart Procedure

32

Alarms and Alerts

32

MBB --- Main Base Board

37

Green LED

39

Yellow LED

39

Cooling Troubleshooting

40

Economizer Troubleshooting

42

Heating Troubleshooting

43

IDM – Induced-Draft Motor

44

“AUTO” position

44

Phase Loss Protection

46

Thermistor Troubleshooting

46

CIRCUIT “B”

49

CIRCUIT “A”

49

Transducer Troubleshooting

50

Forcing Inputs and Outputs

50

MAJOR SYSTEM COMPONENTS

53

RED LED - STATUS GREEN LED

62

LEN (LOCAL EQUIPMENT NETWORK)

62

YELLOW LED

62

CCN (CARRIER COMFORT NETWORK)

62

INSTANCE JUMPER (SET TO 1)

62

RED LED-STATUS

66

48/50HC 04--14 Units —

67

48/50HC 17--28 Units —

68

Central Terminal Board (CTB)

68

Scrolling Marquee Display

70

Accessory Navigatort Display

70

Interface

70

Protective Devices

72

Field-Installed Accessories

72

MODE — RUN STATUS

75

MODE — RUN STATUS (cont)

76

MODE — SERVICE TEST

78

MODE — TEMPERATURES

78

MODE — PRESSURES

78

MODE — INPUTS

79

MODE — OUTPUTS

79

MODE — SET POINTS

79

MODE — CONFIGURATION

80

MODE — TIME CLOCK

85

CCN ONLY TABLES

85

MODE — OPERATING MODES

86

MODE — OPERATING MODES (cont)

87

MODE — ALARMS

89

VFD Diagnostics

95

Table 32 — FAULT CODES (cont)

96

Table 33 – ALARM CODES

97

INDICATE UNIT SETTINGS BELOW

98

MODE — CONFIGURATION (cont)

100

ComfortLINK v2.X

100

ELECTRICAL

103

TEMPERATURES

103

PRESSURES

103

Carrier 50HCQA Instruction Manual (40 pages)


Brand: Carrier | Category: Heat pumps | Size: 8.53 MB |

 

Table of contents

Installation Instructions

1

SAFETY CONSIDERATIONS

2

INSTALLATION

4

Step 3 — Inspect Unit

5

Step 4 — Provide Unit Support

5

Fig. 3 -- Roof Curb Details

6

Step 6 — Rig and Place Unit

7

Ductwork (when required)

8

Hood Parts

9

Plastic Tie Wrap

9

Screws for Metal Tray

9

FIRE HAZARD

12

Units With Disconnect Option

13

Field Wiring

15

Electric Heaters

16

Single Point Boxes

17

Outdoor Air Enthalpy Control

18

(PNO 33CSENTHSW)

18

PremierLinkt (Factory Option)

19

50HCQD12

20

Field Connections

21

Table 3 – Space Sensor Mode

23

Table 4 – Thermostat Mode

23

Economizer Controls

24

COVER REMOVED SIDE VIEW

25

RTU Open Control System

27

Fig. 60 -- BACview

33

Handheld Connections

33

Table 8 – LEDs

33

Smoke Detectors

34

Smoke Detector Sensor

35

Return Air

35

Sampling Tube

35

Flexible

35

Exhaust Tube

35

Legend and Notes for Table 9

39

Step 12 — Install Accessories

40

Pre--Start and Start--Up

40

Carrier 50HCQA Instruction Manual (48 pages)


Brand: Carrier | Category: Heat pumps | Size: 6.75 MB |

 

Table of contents

Installation Instructions

1

SAFETY CONSIDERATIONS

2

INSTALLATION

6

Step 3 — Inspect unit

7

Step 4 — Provide Unit Support

7

UNIT SIZE

8

MAXIMUM ALLOWABLE

9

DIFFERENCE IN. (MM)

9

Ductwork (when required)

10

Hood Parts

11

Plastic Tie Wrap

11

Screws for Metal Tray

11

FIRE HAZARD

13

Units With Disconnect Option

14

Field Wiring

16

Electric Heaters

17

Field Connections

21

Table 4 – Space Sensor Mode

23

Table 5 – Thermostat Mode

23

Economizer Controls

24

COVER REMOVED SIDE VIEW

25

RTU--MP Control System

28

SW3 Protocol Selection

33

Baud Rate Selections

33

Smoke Detectors

35

Smoke Detector Locations

36

Return Air

37

Sampling Tube

37

Flexible

37

Exhaust Tube

37

Legend and Notes for Table 10

44

Step 12 — Install Accessories

45

Pre--Start and Start--Up

45

Catalog No: 50HCQ---02SI

48




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