Multi F Engineering Manual

Refrigerant Flow Diagram
)LJXUH Four-way Vertical-Horizontal Air Handling Indoor Unit Refrigerant Flow Diagram.
FOUR-WAY VAHU INDOOR UNITS
7DEOH Four-way Vertical-Horizontal Air Handling Indoor Unit Refrigerant Pipe Sizes and Connection Sizes.
Model No.
Piping Size Connection Port Size
Liquid (inch) Vapor (inch) Liquid (inch) Vapor (inch)
LVN180HV4 1/4 1/2 3/8 5/8
LVN240HV4 1/4 1/2 3/8 5/8
LVN360HV4 3/8 5/8 3/8 5/8
7DEOH Four-way Vertical-Horizontal Air-Handling Indoor Unit Thermistor Details.
Description (Based on Cooling Mode) PCB Connector
Indoor Air Temperature Thermistor CN-ROOM
Evaporator Inlet Temperature Thermistor CN-PIPE/IN
Evaporator Outlet Temperature Thermistor CN-PIPE/OUT
Scirocco Fan
Heat Exchanger
Heating
Ev. Temperature Thermistor
Evaporator Outlet
Temperature
Thermistor
Cooling
M
Vapor Pipe Connection Port
(Flare Connection)
Indoor Air Temperature
Thermistor
Liquid Pipe Connection Port
(Flare Connection)
VERTICAL-HORIZONTAL | 171
Vertical-Horizontal Air Handling Unit
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MULTI
F
MAX
MULTI
F