Carrier 50PD06 manuals

Carrier 50PD06 Installation Manual (106 pages)

Brand: Carrier | Category: Split-system air conditioners | Size: 9.98 MB |

English

Table of contents

Troubleshooting Instructions

1

SAFETY CONSIDERATIONS

2

8o:=

3

CCN Tables and Display

4

START-UP

5

Power Supply

6

Internal Wiring

6

Return-Air Filters

6

Outdoor-Air Inlet Screens

6

SERVICE TEST

10

THIRD PARTY CONTROL

11

CONTROLS OPERATION

11

Compressor Operation

14

Indoor Fan Operation

14

Outdoor Fan Operation

15

Economizer Operation

15

Unoccupied Free Cooling

15

Quality (IAQ)

16

Cooling Modes

17

Tern )e ra_ure

18

Supply Air Temperature

18

33ZCSENRH-01)

20

Heating Modes

20

100%fanspeed

22

TROUBLESHOOTING

24

Communication Failures

25

Alarms and Alerts

25

the economizer minimum

33

Heating Troubleshooting

34

Gas Heat (48PD Units Only)

34

Phase Loss Protection

34

IDM -- Induced-Draft Motor

35

"AUTO" position

35

,, ",,, !

37

temperature

38

(86K at 25 °C Resistors)

41

MAJOR SYSTEM COMPONENTS

42

[ 48HG503976 I 4.0

43

111........ ÷

44

[£{:] E ]

45

D]:T AND UC LOCAIION

46

Main Base Board (MBB)

47

Table19-- MBBConnections

48

RED LED GREEN LED-LEN

49

Modulation Board (AUX1)

51

Unloader LED

52

II II II

54

Low Voltage Terminal Strip

55

80:::,:

56

RO& TTOP ROO OP

57

Carrier Accessory Kits

59

Outdoor Air Quality

59

Smoke Detectors

59

Enthalpv Sensors

59

UNITOPERATIONANDSAFETYHAZARD

60

UNITRELIABILITYHAZARD

61

Lubrication

62

Condenser-Fan Adjustment

63

Refrigerant

65

Gas Valve Adjustment

65

MA×.(_P. I

66

Table 27 -- MODE - RUN STATUS

68

(GENERIC = CCN

69

(LON_DATA = CCN

69

Return Air Temperature

70

Range (+/-)

71

Table 33 -- MODE - OUTPUTS

72

Table 35 -- MODE - TIME CLOCK

77

Table 36 -- CCN ONLY TABLES

77

Table 38 -- MODE - ALARMS

80

APPENDIX B - VFD INFORMATION

81

APPENDIX B - VFD

83

INFORMATION (CONT)

83

Start-Up Assistant Mode

84

Backup Mode

84

VFD Diagnostics

85

VFD Maintenance

86

Table 41 -- FAULT CODES

87

Table 42 -- ALARM CODES

89

Main Fan Replacement

90

Cleaning

90

Battery Replacement

90

APPENDIX C - START-UP DATA

91

Required

98

INDICATE UNIT SETTINGS BELOW

101

UNIT START-UP CHECKLIST

105

I. PRE-START-UP:

105

II. START-UP

105

TEMPERATURES

105

PRESSURES

105

Replaces: NEW

106

Catalog No:48-50PD-01T

106

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