3
1
7
• Split Sky Air • Outdoor Units
26
• Outdoor Units • R-410A • RZQ-DV1
7
Piping diagram
3TW29165-1
RZQ71-140DV1 (Pair)
Indoor unit
Field piping
J
15.9 C1220T-0
Field piping
J
9.5 C1220T-0
Heat exchanger
Filter
Stop valve
(with service port 5/16’ flare)
Filter
Electronic
expansion
valve
4-way valve
Compressor
Service port
5/16
″
Heat exchanger
Accumulator
Outdoor unit
O
Check valve
L
Flare connection
M
Screw connection
N
Flange connection
Z
Pinched pipe
P
Spinned pipe
Heating
Cooling
High pressure
switch
Filter
Low pressure
sensor
3TW29165-2
RZQ71-140DV1 (Twin)
Indoor unit
Field piping
J
15.9
Field piping
J
9.5
Low pressure
sensor
Heat exchanger
Filter
Stop valve
(with service port 5/16’ flare)
Filter
Electronic
expansion valve
4-way valve
Compressor
Service port
5/16
″
Heat exchanger
Outdoor unit
O
Check valve
L
Flare connection
M
Screw connection
N
Flange connection
Z
Pinched pipe
P
Spinned pipe
Heating
Cooling
High pressure
switch
Filter
Heat exchanger
Filter
Indoor unit
Field piping
Field piping
Field piping
Field piping
Branch duct
connection
Option
Note: 1. The pipes between the branch and the indoor units should have the same size as
the indoor connections.
Accumulator