Home
Carrier
Heat Pump
38MBRC Series
Page 46
Carrier 38MBRC Series - Page 46
58 pages
Manual
To Next Page
To Next Page
To Previous Page
To Previous Page
Loading...
38MBRC: Service Manual
Manufacturer reserves the right to change, at any time, specif
i
cations and designs without notice and without obligations.
46
Procedur
e
Illustration
3)
Pull out the connector.
4)
Remove the 4 screws then
remove the electronic contr
ol board.
5)
Pull out the connector
, r
emove one
screw then r
emove the key board
subassembly on the terminal board.
45
47
Table of Contents
Main Page
Caution
1
Table of Contents
1
Safety Considerations
1
Introduction
1
Model / Serial Number Nomenclatures
2
Wiring
3
Connection Diagram
4
Wiring Diagrams
5
Refrigeration Cycle Diagram
7
Refrigerant Lines
8
System Vacuum and Charge
9
System Evacuation and Charging
9
Electronic Functions
10
Troubleshooting
15
Diagnosis and Solution
16
Diagnosis and Solution
18
EL01 Communication Malfunction between the Indoor and Outdoor Units
18
EC07 Outdoor DC Fan Motor Malfunction/Fan Speed out of Control
21
EC71 over Current Failure of the Outdoor DC Fan Motor
21
EC52 Condenser Coil Temperature Sensor (T3) Malfunction
23
EC53 Outdoor Ambient Temperature Sensor (T4) Malfunction
23
EC54 Compressor Discharge Temperature Sensor TP Is on Open Circuit or Has Short Circuited
23
EC72 Lack Phase Failure of the Outdoor DC Fan Motor
23
PC00 Inverter Module (IPM) Protection
25
PC02 Top Temperature Protection of Compressor
26
PC06 Discharge Temperature Protection of Compressor
27
PC08 Outdoor Overcurrent Protection
28
PC44 Outdoor Unit Zero Speed Protection
28
PC46 Compressor Speed Has Been out of Control
28
PC49 Compressor Overcurrent Failure
28
PC0A High Temperature Protection of Condenser
29
PC0F PFC Module Protection
30
PC10 Outdoor Unit Low AC Voltage Protection
31
PC11 Outdoor Unit Main Control Board DC Bus High Voltage Protection
31
PC12 Outdoor Unit Main Control Board DC Bus High Voltage Protection /341 MCE Error
31
PC30 System High Pressure Protection
32
PC40 Communication Error between the Outdoor Main Chip and Compressor Driven Chip
33
PC43 Outdoor Compressor Lack Phase Protection
34
PC0L Low Temperature Protection of the Outdoor Unit
35
PC45 Outdoor Unit IR Chip Drive Failure
35
Disassembly Instructions
38
Disassembly Instructions
42
Appendicies
55
Related product manuals
Carrier 38MBR
58 pages
Carrier 38MBRQ36A-3
58 pages
Carrier 38MBRQ48A-3
58 pages
Carrier 38MBRQ58A-3
58 pages
Carrier 38MBRCQ36AA3
58 pages
Carrier 38MURA
8 pages
Carrier 38MARBQ36AA3
116 pages
Carrier 38MARBQ18AA3
116 pages
Carrier 38MARBQ12AA1
116 pages
Carrier 38MARBQ12AA3
116 pages
Carrier 38MARBQ24AA3
116 pages
bryant Multi-Zone 38MARBQ09 18AA3 Series
70 pages