LMCN078HV Engineering Manual

INTRODUCTION | 3
Introduction
MULTI
F
MAX
MULTI
F
TABLE OF CONTENTS
Convergence of Technology,
Innovation, Flexibility, & Style .................................................... 4
Unit Nomenclature .......................................................................5
Functions, Controls and
Options Overview ........................................................................6
Art Cool Mirror Indoor Units ..................................................... 10
Mechanical Specications and Features ........................................... 10
General Data / Specications .............................................................11
Dimensions ........................................................................................ 12
Cooling Capacity Table ...................................................................... 14
Heating Capacity Table ...................................................................... 16
Acoustic Data .................................................................................... 17
Air Velocity and Temperature Distribution .......................................... 18
Refrigerant Flow Diagram .................................................................. 19
Wiring Diagram .................................................................................. 20
Factory Supplied Parts and Materials ................................................ 21
Installation and Best Layout Practices ............................................... 22
Art Cool Gallery Indoor Units ...................................................29
Mechanical Specications and Features ........................................... 29
General Data / Specications ............................................................ 30
Dimensions ........................................................................................ 31
Cooling Capacity Table ...................................................................... 32
Heating Capacity Table ...................................................................... 33
Acoustic Data .................................................................................... 34
Air Velocity and Temperature Distribution .......................................... 35
Refrigerant Flow Diagram .................................................................. 36
Wiring Diagram .................................................................................. 37
Factory Supplied Parts and Materials ................................................ 38
Installation and Best Layout Practices ............................................... 39
Standard Wall-Mounted Indoor Units ......................................49
Mechanical Specications and Features ........................................... 49
General Data / Specications ............................................................ 50
Dimensions ........................................................................................ 51
Cooling Capacity Table ...................................................................... 53
Heating Capacity Table ...................................................................... 56
Acoustic Data .................................................................................... 58
Air Velocity and Temperature Distribution .......................................... 60
Refrigerant Flow Diagram .................................................................. 62
Wiring Diagram .................................................................................. 63
Factory Supplied Parts and Materials ................................................ 65
Installation and Best Layout Practices ............................................... 66
Low Wall Console Indoor Units ................................................ 73
Mechanical Specications and Features ........................................... 73
General Data / Specications ............................................................ 74
Dimensions ........................................................................................ 75
Cooling Capacity Table ...................................................................... 76
Heating Capacity Table ...................................................................... 78
Acoustic Data .................................................................................... 79
Air Velocity and Temperature Distribution .......................................... 81
Refrigerant Flow Diagram .................................................................. 82
Wiring Diagram .................................................................................. 83
Factory Supplied Parts and Materials ................................................ 84
Installation and Best Layout Practices ............................................... 85
Duct (Low Static) Indoor Units .................................................94
Mechanical Specications and Features ........................................... 94
General Data / Specications ............................................................ 95
Dimensions ........................................................................................ 96
Cooling Capacity Table ...................................................................... 97
Heating Capacity Table ...................................................................... 99
External Static Pressure .................................................................. 100
Acoustic Data .................................................................................. 101
Refrigerant Flow Diagram ................................................................ 102
Wiring Diagram ................................................................................ 104
Factory Supplied Parts and Materials .............................................. 106
Installation and Best Layout Practices ............................................. 107
Duct (High Static) Indoor Units ..............................................117
Mechanical Specications and Features ..........................................117
General Data / Specications ...........................................................118
Dimensions .......................................................................................119
Cooling Capacity Table .................................................................... 121
Heating Capacity Table .................................................................... 122
External Static Pressure / Acoustic Data ......................................... 123
Refrigerant Flow Diagrams .............................................................. 124
Wiring Diagrams .............................................................................. 125
Factory Supplied Parts and Materials / Installation ......................... 126
Installation and Best Layout Practices ............................................. 127
Four-Way Ceiling Cassette Indoor Units ...............................136
Mechanical Specications and Features ......................................... 136
General Data / Specications .......................................................... 137
Dimensions ...................................................................................... 138
Cooling Capacity Table .................................................................... 140
Heating Capacity Table .................................................................... 142
Acoustic Data .................................................................................. 144
Air Velocity and Temperature Distribution ........................................ 146
Refrigerant Flow Diagram ................................................................ 148
Wiring Diagram ................................................................................ 149
Factory Supplied Parts and Materials .............................................. 150
Installation and Best Layout Practices ............................................. 151
Four-Way VAHU Indoor Units .................................................160
Mechanical Specications and Features ......................................... 160
General Data / Specications .......................................................... 161
Dimensions ...................................................................................... 162
Cooling Capacity Table .................................................................... 163
Heating Capacity Table .................................................................... 165
External Static Pressure .................................................................. 167
Heater Capacities ............................................................................ 169
Acoustic Data .................................................................................. 170
Refrigerant Flow Diagram ................................................................ 172
Wiring Diagram ................................................................................ 173
Factory Supplied Parts and Materials .............................................. 175
Installation and Best Layout Practices ............................................. 176
Equipment Selection Procedure ............................................186
Placement Considerations .....................................................193
Refrigerant Piping Design ......................................................200
Design Guideline Summary ............................................................. 200
Creating a Balanced System / Manual Layout Procedure 204
Condensate Drain Piping ................................................................. 205
Electrical Connections ............................................................ 207
General Information ......................................................................... 207
Power Wiring (208-230V) and Communications Cable
Details .............................................................................................. 210
Remote Controller Connections ...................................................... 220
Indoor Unit Group Control ............................................................... 221
Acronyms .................................................................................222