Many
Manuals
search
Categories
Brands
Home
Carrier
Heat pumps
50HCQA
Installation Manual
Carrier 50HCQA Installation Manual Page 55
Download
Share
Sharing
Add to my manuals
Print
Page
/
104
Table of contents
TROUBLESHOOTING
BOOKMARKS
Rated
.
/ 5. Based on
customer reviews
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
55
C12292
Fig.
23
-
-
T
ypical
Power
Di
agram f
or 48HC 04-
-
14 Units
(48H
C 08
-
-
09 shown)
Com
for
tLI
NK
v2.X
1
2
...
50
51
52
53
54
55
56
57
58
59
60
...
103
104
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
Comments to this Manuals
No comments
Publish
Related products and manuals for Heat pumps Carrier 50HCQA
Heat pumps Carrier 50TCQA Instruction Manual
(48 pages)
Heat pumps Carrier Pro-Dialog CONTROL 4 Specifications
(55 pages)
Heat pumps Carrier 48HX User Manual
(28 pages)
Heat pumps Carrier Pro-Dialog CONTROL 4 User Manual
(40 pages)
Heat pumps Carrier AQUASNAP 30RH Installation Manual
(116 pages)
Heat pumps Carrier AQUASNAP 30RA Specifications
(31 pages)
Heat pumps Carrier 38GL...G Installation Manual
(17 pages)
Heat pumps Carrier GT-S User Manual
(10 pages)
Heat pumps Carrier aquazone 50RTG Instruction Manual
(28 pages)
Heat pumps Carrier Pro-Dialog CONTROL 4 User Manual
(28 pages)
Heat pumps Carrier 48EZ(N)-A Instruction Manual
(56 pages)
Heat pumps Carrier AQUAZONE 50PEC09-18 Instruction Manual
(40 pages)
Heat pumps Carrier XPOWER 38VYX080 User Manual
(4 pages)
Heat pumps Carrier 30HX PRO Specifications
(43 pages)
Heat pumps Carrier 25VNA Instruction Manual
(18 pages)
Heat pumps Carrier AQUAZONE 50PCH Instruction Manual
(52 pages)
Heat pumps Carrier 48XT-A User Manual
(120 pages)
Heat pumps Carrier 38GLS...G Installation Manual
(14 pages)
Heat pumps Carrier HRVXXLVU User Manual
(8 pages)
Heat pumps Carrier 50HS024-060 Installation Manual
(100 pages)
Print document
Print page 55
Comments to this Manuals