Lennox MMA018SM4 Service Manual page 88

Index
A
Adding Refrigerant
Multi-Zone System 70
Single Zone System 70
Alarm Device 25
B
Blower Data - MMDB Indoor Units 11
C
Centralized Controller 24
Clearances
M22A and M33C Indoor Unit 10
Outdoor Units 41
D
Decommissioning 6
Defrost Control 81
Defrost Termination 81
Defrost Theory 81
Dimensions
M22A Indoor Unit 9
Multi-Zone Outdoor Units 40
Single-Zone Outdoor Units 39
F
Fan Control - Outdoor 82
Fire Extinguisher 3
Flammable Refrigerant Detection 5
L
LEDs
Multi-Zone Outdoor Units 71
Line Sets
MLB and MPC Single Zone Units 49
Multi-Zone Piping Limitations 52
Single Zone Piping Limitations 52
M
Master Valves
3 to 5 Zone Outdoor Units 54
Match-Ups
MLB Multi-Zone Combinations 43
Model Number
M22A and M33C Indoor Units 7
Single and Multiple Zone Outdoor Units 30
O
ON/OFF Device 24
R
Recovering Refrigerant 6
Recovery Equipment 6
Refrigerant Charging Procedures 5
Remove/Evacuate Refrigerant 5
Repair Seal Components 4
Repair to Instrinsically Safe Components 4
S
Safety Precautions
Refrigerant Presence
Fire Extinguisher 3
Specifications
M22A 7, 32
Start-Up 70
T
Terminal Connections 22
U
Unit Clearance
Indoor Unit 10
Outdoor Units 42
V
Ventilated Workspace 4
W
Wiring
Communication 17, 62
Main Power 17, 62
Multi-Zone Requirements 21
Single Zone Requirements 20
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