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MCB Series
Lennox MCB Series Service Manual
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45
9.4.
Outdoor Unit Fan and Fan Motor Disassembly (All Models)
9.4.1.
Fan Disassembly
1.
Remove the nut
securing the fan with a
spanner
2.
Remove the fan.
9.4.2.
Fan Motor Removal
1.
Remove the four screws
securing the fan motor
.
2.
Remove the fan motor.
44
46
Table of Contents
Table of Contents
1
Safety Considerations
3
General Troubleshooting
4
Error Codes
4
Complaint Form
5
Engineering Mode for System Query
6
Engineering Mode Codes
6
Engineering Mode Error Codes
6
Quick Maintenance by Error Code
7
Troubleshooting by Error Code
8
Ts01-Idu
8
Ts01-Odu
8
Ts02-S-Inv
9
Ts04-S-Idu
10
Ts04-S-Odu
13
Ts05-Idu
14
Ts05-Odu
15
Ts06-Inv
16
Ts07
16
Ts08-S
17
Ts09-S
18
Ts10-S
19
Ts12-S
20
Check Procedures
21
Temperature Sensor Check
21
Compressor Check
21
IPM Continuity Check
23
Reversing Valve Check
24
Temperature Sensor Resistance Values
25
Discharge Temperature Sensor Resistance Values
26
Pressure on Service Port
27
Cooling Chart (R-410A)
27
Heating Chart (R-410A)
28
R-410 System Pressure
29
Wiring Diagrams
30
MWCB Indoor Units
30
MCB Outdoor Units
31
MWHB Indoor Units
32
MHB Outdoor Unit
33
Indoor and Outdoor Unit Disassembly
35
MWCB and MWHB Unit Disassembly
35
Front Panel Removal
35
Control Board Removal
37
Evaporator Coil Removal
37
Fan Removal
38
Step Motor Removal
38
Drain Hose Removal
39
Outdoor Unit Disassembly
39
Mcb012S4S-1L, Mcb009S4S-1P
39
And MCB012S4S-1P
39
MCB018S4S-1P, MCB024S4S-1P, MHB009S4S-1L, MHB012S4S-1L MHB009S4S-1P, MHB012S4S-1P and MHB018S4S-1P
40
Mhb024S4S-1P
41
Control Board Removal
42
Mhb024S4S-1P
42
MCB009S4S-1P, MCB012S4S-1P, MCB018S4S-1P, MHB009S4S-1P, MHB012S4S-1P, and MHB018S4S-1P
43
Mcb012S4S-1L, Mhb009S4S-1L
44
And MHB012S4S-1L
44
Outdoor Unit Fan and Fan Motor Disassembly (All Models)
45
Fan Disassembly
45
Fan Motor Removal
45
Other manuals for Lennox MCB Series
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Installation Instruction
20 pages
5
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Lennox MCB Series Specifications
General
Brand
Lennox
Model
MCB Series
Category
Air Conditioner
Language
English
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