Lennox LM036CI-100P232-1X User manual

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Service Manual
LM036CI-100P232-1X / LM036CO-100P232-1X
LM036HI-100P232-1X / LM036HO-100P232-1X
(Refrigerant R22)
Models:

Service Manual
Table of Contents
Part Ⅰ: Technical Information.......................................................................1
1. Summary......................................................................................................................1
2. Specications..........................................................................................................2
2.1 Specication Sheet...........................................................................................................2
2.2 Capacity Variation Ratio According to Temperature .........................................................6
2.3 Cooling and Heating Data Sheet in Rated Frequency .....................................................6
3. Dimensions................................................................................................................7
3.1 Indoor Unit........................................................................................................................7
3.2 Outdoor Unit .....................................................................................................................7
4. Refrigerant System Diagram......................................................................8
5. Electrical Part...........................................................................................................9
5.1 Wiring Diagram.................................................................................................................9
5.2 PCB Printed Diagram .....................................................................................................11
6. Function and Control......................................................................................14
6.1 Remote Controller Introduction .....................................................................................14
6.2 Brief Description of Modes and Functions......................................................................18
Part Ⅱ: Installation and Maintenance .................................................22
7. Notes for Installation and Maintenance..........................................22
8. Installation................................................................................................................24
8.1 Installation Dimension Diagram......................................................................................24
8.2 Installation Parts-checking ............................................................................................26
8.3 Selection of Installation Location....................................................................................26
8.4 Electric Connection Requirement...................................................................................26
8.5 Installation of Indoor Unit................................................................................................26
8.6 Installation of Outdoor Unit.............................................................................................29
8.7 Vacuum Pumping and Leak Detection ...........................................................................30
8.8 Check after Installation and Test Operation ...................................................................30
9. Maintenance............................................................................................................31
9.1 Error Code......................................................................................................................31
9.2 Procedure of Troubleshooting ........................................................................................33
9.3 Maintenance Method for Normal Malfunction.................................................................39
Table of Contents

Service Manual
10. Exploded View and Parts List ..............................................................41
10.1 Indoor Unit....................................................................................................................41
10.2 Outdoor Unit .................................................................................................................43
11. Removal Procedure.......................................................................................47
11.1 Removal Procedure of Indoor Unit ...............................................................................47
11.2 Removal Procedure of Outdoor Unit ............................................................................56
Appendix:........................................................................................................................62
Appendix 1: Reference Sheet of Celsius and Fahrenheit ....................................................62
Appendix 2: Conguration of Connection Pipe.....................................................................62
Appendix 3: Pipe Expanding Method ...................................................................................63
Appendix 4: List of Resistance for Temperature Sensor ......................................................64
Table of Contents

Y6185
1
Technical Information
Service Manual
1. Summary
Part Ⅰ: Technical Information
Indoor Unit:
Remote Controller:
Outdoor Unit:
LM036CI-100P232-1X
LM036HI-100P232-1X
LM036CO-100P232-1X
LM036HO-100P232-1X

2Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Model LM036CI-100P232-1X/LM036CO-100P232-1X
Product Code Y6695/Y6696
Power Supply
Rated Voltage V~ 220-230
Rated Frequency Hz 60
Phases 1
Power Supply Mode Outdoor
Cooling Capacity Btu/h 36000
Heating Capacity W /
Cooling Power Input W 3450
Heating Power Input W /
Cooling Power Current A 15.3
Heating Power Current A /
Rated Input W 4300
Rated Current A 19
Air Flow Volume(SH/H/M/L/SL) m3/h 1450/1350/1200/1050/-
Dehumidifying Volume L/h 3.5
EER W/W 2.8
COP W/W /
SEER /
HSPF /
Application Area m246-70
Indoor Unit
Model of indoor unit LM036CI-100P232-1X
Indoor Unit Product Code Y6695
Fan Type Cross-ow
Diameter Length(DXL) mm Φ108X522.7
Fan Motor Cooling Speed (SH/H/M/L/SL) r/min 1450/1350/1200/1050/-
Fan Motor Heating Speed (SH/H/M/L/SL) r/min /
Output of Fan Motor W 60
Fan Motor RLA A 0.52
Fan Motor Capacitor μF 3
Evaporator Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7
Row-n Gap mm 2-1.5
Coil Length (LXDXW) mm 1074X25.4X381
Swing Motor Model MP24BA
Output of Swing Motor W 1.5
Fuse A 5
Sound Pressure Level (SH/H/M/L/SL) dB (A) 56/54/51/49/-
Sound Power Level (SH/H/M/L/SL) dB (A) 66/64/61/59/-
Dimension (WXHXD) mm 1350X326X253
Dimension of Carton Box (LXWXH) mm 1438X418X343
Dimension of Package (LXWXH) mm 1441X421X358
Net Weight kg 20
Gross Weight kg 27

3
Technical Information
Service Manual
Outdoor Unit
Model of Outdoor Unit LM036CO-100P232-1X
Outdoor Unit Product Code Y6696
Compressor Manufacturer/Trademark MITSUBISHI ELECTRIC(GUANG ZHOU)
COMPRESSOR CO.,LTD
Compressor Model LHT48NBDC
Compressor Oil ATMOS NM56EP
Compressor Type Rotary
L.R.A. A 95
Compressor RLA A 15.4
Compressor Power Input W 3250
Overload Protector /
Throttling Method Capillary
Operation temp ºC 16~30
Ambient temp (cooling) ºC 18~43
Ambient temp (heating) ºC /
Condenser Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7.94
Rows-n Gap mm 2.5-1.5
Coil Length (LXDXW) mm 1028.5X38X748
Fan Motor Speed rpm 780
Output of Fan Motor W 90
Fan Motor RLA A 0.78
Fan Motor Capacitor μF 4
Air Flow Volume of Outdoor Unit m3/h 4000
Fan Type Axial-ow
Fan Diameter mm Φ552
Defrosting Method /
Climate Type T1
Isolation I
Moisture Protection IP24
Permissible Excessive Operating Pressure for the
Discharge Side MPa 3
Permissible Excessive Operating Pressure for the
Suction Side MPa 1.5
Sound Pressure Level (H/M/L) dB (A) 60/-/-
Sound Power Level (H/M/L) dB (A) 70/-/-
Dimension (WXHXD) mm 1000X790X427
Dimension of Carton Box (LXWXH) mm 1080X485X840
Dimension of Package (LXWXH) mm 1083X488X855
Net Weight kg 73
Gross Weight kg 78
Refrigerant R22
Refrigerant Charge kg 2.6
Connection
Pipe
Length m 5
Gas Additional Charge g/m 15
Outer Diameter Liquid Pipe mm Φ6
Outer Diameter Gas Pipe mm Φ19
Max Distance Height m 10
Max Distance Length m 20
Note:The connection pipe applies metric diameter.
The above data is subject to change without notice; please refer to the nameplate of the unit.

4Technical Information
Service Manual
Model LM036HI-100P232-1X/LM036HO-100P232-1X
Product Code Y6705/Y6706
Power Supply
Rated Voltage V~ 220-230
Rated Frequency Hz 60
Phases 1
Power Supply Mode Outdoor
Cooling Capacity Btu/h 36000
Heating Capacity Btu/h 35000
Cooling Power Input W 3450
Heating Power Input W 3360
Cooling Power Current A 15.3
Heating Power Current A 14.9
Rated Input W 4400
Rated Current A 19.5
Air Flow Volume(SH/H/M/L/SL) m3/h 1450/1350/1200/1050/-
Dehumidifying Volume L/h 3.5
EER W/W 2.8
COP W/W 3.05
SEER /
HSPF /
Application Area m246-70
Indoor Unit
Model of indoor unit LM036HI-100P232-1X
Indoor Unit Product Code Y6705
Fan Type Cross-ow
Diameter Length(DXL) mm Φ108X522.7
Fan Motor Cooling Speed (SH/H/M/L/SL) r/min 1450/1350/1200/1050/-
Fan Motor Heating Speed (SH/H/M/L/SL) r/min 1450/1350/1200/1050/-
Output of Fan Motor W 60
Fan Motor RLA A 0.52
Fan Motor Capacitor μF 3
Evaporator Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7
Row-n Gap mm 2.5-1.5
Coil Length (LXDXW) mm 1074X25.X381
Swing Motor Model MP24BA
Output of Swing Motor W 1.5
Fuse A 5
Sound Pressure Level (SH/H/M/L/SL) dB (A) 56/54/51/49/-
Sound Power Level (SH/H/M/L/SL) dB (A) 66/64/61/59/-
Dimension (WXHXD) mm 1350X326X253
Dimension of Carton Box (LXWXH) mm 1438X418X343
Dimension of Package (LXWXH) mm 1441X421X358
Net Weight kg 20
Gross Weight kg 27

5
Technical Information
Service Manual
Outdoor Unit
Model of Outdoor Unit LM036HO-100P232-1X
Outdoor Unit Product Code Y6706
Compressor Manufacturer/Trademark MITSUBISHI ELECTRIC(GUANGZHOU)
COMPRESSOR CO.,LTD
Compressor Model LHT48NBDC
Compressor Oil ATMOS NM56EP
Compressor Type Rotary
L.R.A. A 95
Compressor RLA A 15.4
Compressor Power Input W 3250
Overload Protector /
Throttling Method Capillary
Operation temp ºC 16~30
Ambient temp (cooling) ºC 18~43
Ambient temp (heating) ºC -7~24
Condenser Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ7.94
Rows-n Gap mm 2.5-1.5
Coil Length (LXDXW) mm 1028.5X38X748
Fan Motor Speed rpm 780
Output of Fan Motor W 90
Fan Motor RLA A 0.78
Fan Motor Capacitor μF 4
Air Flow Volume of Outdoor Unit m3/h 4000
Fan Type Axial-ow
Fan Diameter mm Φ552
Defrosting Method Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IP24
Permissible Excessive Operating Pressure for the
Discharge Side MPa 3
Permissible Excessive Operating Pressure for the
Suction Side MPa 1.5
Sound Pressure Level (H/M/L) dB (A) 60/-/-
Sound Power Level (H/M/L) dB (A) 70/-/-
Dimension (WXHXD) mm 1000X790X427
Dimension of Carton Box (LXWXH) mm 1080X485X840
Dimension of Package (LXWXH) mm 1083X488X855
Net Weight kg 75
Gross Weight kg 80
Refrigerant R22
Refrigerant Charge kg 2.6
Connection
Pipe
Length m 5
Gas Additional Charge g/m 15
Outer Diameter Liquid Pipe mm Φ6
Outer Diameter Gas Pipe mm Φ19
Max Distance Height m 10
Max Distance Length m 20
Note:The connection pipe applies metric diameter.
The above data is subject to change without notice; please refer to the nameplate of the unit.

6Technical Information
Service Manual
2.3 Cooling and Heating Data Sheet in Rated Frequency
Rated cooling
condition(°C)
(DB/WB) Model
Pressure of gas pipe
connecting indoor and
outdoor unit
Inlet and outlet pipe
temperature of heat
exchanger
Fan speed of
indoor unit
Fan speed
of outdoor
unit
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
27/19 35/24 All models 0.48 ~ 0.7 7.2 to 9.6 78.1 to 38.5 Supper High High
Rated heating
condition(°C)
(DB/WB) Model
Pressure of gas pipe
connecting indoor and
outdoor unit
Inlet and outlet pipe
temperature of heat
exchanger
Fan speed of
indoor unit
Fan speed
of outdoor
unit
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
20/15 7/6 All models 1.85 ~ 2.05 78.4 to 38 -0.9 to 16 Supper High High
Instruction:
T1: Inlet and outlet pipe temperature of evaporator
T2: Inlet and outlet pipe temperature of condenser
P: Pressure at the side of big valve
Connection pipe length: 5 m.
Cooling:
Heating:
2.2 Capacity Variation Ratio According to Temperature
0
20
40
60
80
100
120
Capacity ratio(%)
Outdoor temp. (°C)
-7 -5 0510
7
Conditions
Indoor:DB20°C/WB15°C
Indoor air flow:Super High
Pipe length:5m
32 33 34 35 36 37 38 39 4340 41 42
100
105
95
90
85
80
75
70
65
60
55
50
Conditions
Indoor:DB27°C/WB19°C
Indoor air flow:Super High
Pipe length:5m
Outdoor temp.(°C)
Capacity ratio (%)
Cooling: Heating:

7
Technical Information
Service Manual
3. Dimensions
3.1 Indoor Unit
3.2 Outdoor Unit
Unit:mm
920 370
1000427
610
395
790
1350
326
253
295
90
40
350 254746
Φ70
Φ70
Unit:mm