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MPA009S4S-1P
Lennox MPA009S4S-1P User Manual
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Lennox Mini-Split Service Manual / Page 1
LENNOX MINI-SPLIT SYSTEMS
SER
VICE MANUAL
2
Table of Contents
Table of Contents
3
Section 1 - Outdoor Unit Data
9
Section 1.1 - Mpa Single Zone Condensing Units
10
Model Number Identification
11
Specifications - 0.75 - 1 Ton Mpa Outdoor Units - 115V-1 Phase
12
Specifications - 0.75 - 1.5 Ton Mpa Outdoor Units - 208/230V-1 Phase
13
Specifications - 2 - 4 Ton Mpa Outdoor Units - 208/230V-1 Phase
14
Section 1.2 - Mpa Multi-Zone Condensing Unit
15
Specifications - 1.5 - 2.5 Ton Mpa Outdoor Units
16
Specifications - 3 - 4 Ton Mpa Outdoor Units
17
Section 2 - Indoor Unit Data
18
Section 2.1 - M22A Compact Cassette Unit
19
Model Number Identification
20
Specifications - Cassette Indoor Units - M22A009-018
21
Sound Data
22
Air Throw Data
23
Section 2.2 - M33A Cassette Unit
24
Model Number Identification
25
Specifications - Cassette Indoor Units - M33A024-048
26
Section 2.3 - Mmda Ducted Unit
27
Model Number Identification
28
Specifications - Medium Static Ducted Indoor Units - 009-018
29
Specifications - Medium Static Ducted Indoor Units - 024-048
29
Blower Data
30
Section 2.4 - Mwma Wall Mounted Unit
33
Model Number Identification
34
Specifications - Wall-Mounted Indoor Units - 009-012
35
Specifications - Wall-Mounted Indoor Units - 018-030
35
Section 2.5 - Mcfa Ceiling/Floor Unit
36
Model Number Identification
37
Specifications - Ceiling/Floor Mount Indoor Units - 012-024
38
Specifications - Ceiling/Floor Mount Indoor Units - 036-048
38
Section 3 - Installation Dimensions of Outdoor Units
39
Section 3.1 - Single Zone Installation Dimensions
40
MPA009S4S, MPA012S4S, MPA018S4S Dimensions
41
MPA024S4S, MPA030S4S, MPA036S4S Dimensions
42
MPA048S4S Dimensions
43
Section 3.2 - Multi-Zone Installation Dimensions
44
MPA018S4M Dimensions
45
MPA030S4M, MPA036S4M Dimensions
46
Front View
46
MPA048S4M Dimensions
47
Section 3.3 - Mpa Outdoor Unit Clearances
48
Outdoor Unit Clearances
49
Section 4 - Installation Dimensions of Indoor Units
50
Section 4.1 - M22A Compact Cassette
51
Section 4.2 - M33A Cassette Unit
54
Section 4.3 - Mmda Ducted Unit
57
Section 4.4 - Mwma Wall Mounted Unit
60
Section 4.5 - Mcfa Ceiling/Floor Unit
63
Section 5 - Indoor Unit Combinations
66
Multi-Zone System Combinations
67
Multi-Zone System Combinations
69
Section 6 - Refrigeration Pipe Work
70
Section 6.1 - Single Zone Refrigerant Cycle Diagram
71
Section 6.2 - Multi-Zone Refrigerant Cycle Diagram
73
Section 6.1 - Refrigeration Pipe Work for Singe Zone Systems
78
Piping Limitations
79
Section 6.2 - Refrigeration Pipe Work for Multi-Zone Systems
80
Connections and Line Set Usage
82
Connections and Line Set Usage
83
Connections and Line Set Usage
84
Section 7 - Power Wiring for Outdoor & Indoor Units
85
Section 8 - Data Wiring
86
036 & 048 Sizes Only
86
Section 9 - Wiring Diagrams
87
Section 9.1 - Single Zone Wiring Diagrams
88
115V MPA009S4S-1L and MPA012S4S-1L Outdoor Unit Wiring Diagram
89
208/230V MPA009S4S-1P and MPA012S4S-1P Outdoor Unit Wiring Diagram
89
Vmpa018S4S-1P
90
208/230V MPA024S4S-1P Outdoor Unit Wiring Diagram
90
208/230V MPA030S4S-1P Outdoor Unit Wiring Diagram
91
208/230V MPA036S4S-1P Outdoor Unit Wiring Diagram
92
208/230V MPA048S4S-1P Outdoor Unit Wiring Diagram
93
Section 9.1 - Multi-Zone Wiring Diagrams
94
208/230V MPA018S4M-1P Outdoor Unit Wiring Diagram
95
208/230V MPA030S4M-1P Outdoor Unit Wiring Diagram
95
MPA036S4M-1P Outdoor Unit Wiring Diagram
96
MPA048S4M-1P Outdoor Unit Wiring Diagram
96
Section 9.1 - Indoor Unit Wiring Diagrams
97
MWMA Unit Wiring Diagram
98
M22A009S4-1P, M22A012S4-1P, M22A018S4-1P, M33A024S4-1P Unit Wiring Diagram
99
M33A036S4-1P & M33A048S4-1P Unit Wiring Diagram
100
MMDA024S4-1P Ducted Units Wiring Diagram
101
MMDA036S4-1P & MMDA048SA-1P Ducted Units Wiring Diagram
101
MMDA009S4-1P, MMDA012S4-1P, MMDAA018S4-1P Ducted Units Wiring Diagram
102
MCFA024S4-1P Unit Wiring Diagram
103
MCFA036S4-1P Unit Wiring Diagram
103
MCFA048S4-1P Unit Wiring Diagram
104
Section 10 - Condensate Pipe Work Installation Data
105
Section 10.1 - Outdoor Unit Condensate Pipe
106
Condensate Piping Requirements - Outdoor Unit
107
Section 10.2 - Indoor Unit Gravity Drain
108
Condensate Piping Requirements - MWMA & MCFA
109
Section 10.3 - Indoor Unit Lift Pump
110
Condensate Piping Requirements - MMDA & M22A/M33A
111
Mmda
111
M22A and M33A
112
Section 11 - Controls
113
Section 11.1 - M0Stat60Q Wireless Controller
114
Section 11.2 - M0Stat61Q-1 Wired Controller
117
Section 12 - Start up
119
Section 12.1 - General Start up Information
120
Outdoor Unit Spot Check Function
121
Outdoor Unit's Digital Display Tube
125
Section 13 - Fault Codes
126
Section 13.1 - Quick Reference Guide - Fault Codes
128
Single Zone 009/012 115VAC/208-230VAC Outdoor Units Quick Reference
129
Single Zone 018/030 208-230VAC Outdoor Units Quick Reference
130
Multi-Zone Outdoor Units Quick Reference
131
Indoor Unit Fault Code Units Quick Reference for ALL Indoor Units
132
Section 13.2 - Troubleshooting Single Zone Outdoor Units
133
Section 13.3 - Troubleshooting Multi-Zone Outdoor Units
140
E0 Fault Code
143
E0 Flow Chart
144
E2 Fault Code
145
E2 Flowchart
146
E3 Fault Code
149
E3 Flow Chart
150
E4 Fault Code
152
E4 Flow Chart
153
E5 Fault Code
154
E5 Flow Chart
155
E6 Fault Code
160
E6 Flow Chart
161
E8 Fault Code
164
E8 Flow Chart
165
F1 Fault Code
168
F1 Flow Chart
169
F2 Fault Code
170
F2 Flow Chart
171
F3 Fault Code
172
F3 Flow Chart
173
F4 Fault Code
174
F4 Flow Chart
175
F5 Fault Code
176
F5 Flow Chart
177
F6 Fault Code
178
P1 Fault Code
179
P1 Flow Chart
180
P2 Fault Code
182
P2 Flow Chart
183
P3 Fault Code
185
P3 Flow Chart
186
P4 Fault Code
188
P4 Flow Chart
189
P5 Fault Code
190
P5 Flow Chart
191
P6 Fault Code
192
P6 Flowchart
193
Section 13.4 - Indoor Unit Fault Codes
194
E0 Fault Code
197
E0 Flowchart
198
E1 Fault Code
199
E1 Flow Chart
200
E3 Fault Code
202
E3 Flow Chart
203
E4 Fault Code
204
E4 Flow Chart
205
E5 Fault Code
206
E5 Flow Chart
207
EC Fault Code
208
EC Flow Chart
209
EE Fault Code
210
EE Flow Chart
211
F0 Fault Code
212
F0 Flow Chart
213
F1 Fault Code
214
F1 Flow Chart
215
F2 Fault Code
216
F2 Flow Chart
217
F3 Fault Code
218
F3 Flow Chart
219
F4 Fault Code
220
F4 Flow Chart
221
F5 Fault Code
222
F5 Flow Chart
223
F6 Fault Code
224
F6 Flow Chart
225
P0 Fault Code
226
P0 Flowchart
227
P1 Fault Code
228
P1 Flow Chart
229
P3 Fault Code
230
P3 Flow Chart
231
P4 Fault Code
232
P4 Flow Chart
233
P5 / -- Fault Code
234
P6 Fault Code
235
P6 Flow Charts
236
P7 Fault Code
239
P7 Flow Chart
240
Temperature Sensor Resistance Value Table (°C--K)
241
Appendix 1
241
Discharge Temperature Sensor Table (°C--K)
242
Appendix 2
242
Celsius to Fahrenheit Conversion Table
243
Appendix 3
243
Compressor Check
244
IPM Check
245
AC Fan Motor
246
4-Way Valve
247
EXV Check
248
Low Voltage Protection
251
Compressor Current Limit Protection
251
Electronic Functions Abbreviations
252
Electronic Control Working Environment
252
Main Protection
252
Compressor Preheating Functions
253
Compressor Crankcase Heater
253
Capacity Request Calculation
254
Defrost Control
256
Outdoor Fan Control
257
Four-Way Valve Control
258
Electronic Expansion Valve (EXV) Control
258
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Lennox MPA009S4S-1P Specifications
General
Cooling Capacity
9, 000 BTU/h
Voltage
208/230V
Refrigerant Type
R-410A
Phase
1
Maximum Overcurrent Protection
15 A
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