134 | LOW STATIC
MUL
TI V Ducted Indoor Unit Engineering Manual
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DUCTED LOW STATIC
Refrigerant Flow Diagram
Figure 29: L1, L2, L3 Unit Refrigerant Flow Diagram.
L1, L2, L3 Units
Table 94: L1, L2, L3 Unit Refrigerant Pipe Connection Port Diameters.
Model
Liquid (inch)
Vapor (inch)
L1 Units
ARNU073L1G4
1/4 Flare
1/2 Flare
ARNU093L1G4
L2 Units
ARNU123L2G4
1/4 Flare
1/2 Flare
ARNU153L2G4
ARNU183L2G4
L3 Units
ARNU243L3G4
3/8 Flare
5/8 Flare
Thermistor
Description
TH1
Return air thermistor
TH2
Pipe in thermistor
TH3
Pipe out thermistor
Table 95: L1, L2, L3 Unit Thermistors.
Heat Exchanger
Sirocco Fan
TH3
TH1
TH2
lndoor unit
EEV
Heating
Cooling
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